./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4014dbf0df0ea89fc5bcb7584dfcfa1c9ac1cf1e ..................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 04:33:29,454 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 04:33:29,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 04:33:29,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 04:33:29,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 04:33:29,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 04:33:29,535 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 04:33:29,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 04:33:29,541 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 04:33:29,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 04:33:29,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 04:33:29,550 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 04:33:29,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 04:33:29,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 04:33:29,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 04:33:29,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 04:33:29,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 04:33:29,561 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 04:33:29,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 04:33:29,571 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 04:33:29,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 04:33:29,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 04:33:29,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 04:33:29,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 04:33:29,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 04:33:29,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 04:33:29,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 04:33:29,589 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 04:33:29,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 04:33:29,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 04:33:29,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 04:33:29,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 04:33:29,595 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 04:33:29,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 04:33:29,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 04:33:29,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 04:33:29,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 04:33:29,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 04:33:29,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 04:33:29,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 04:33:29,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 04:33:29,603 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2020-11-28 04:33:29,639 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 04:33:29,640 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 04:33:29,641 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-28 04:33:29,641 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2020-11-28 04:33:29,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 04:33:29,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 04:33:29,643 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 04:33:29,643 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 04:33:29,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 04:33:29,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 04:33:29,644 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 04:33:29,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 04:33:29,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 04:33:29,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 04:33:29,645 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 04:33:29,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 04:33:29,646 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 04:33:29,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 04:33:29,646 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2020-11-28 04:33:29,646 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2020-11-28 04:33:29,647 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 04:33:29,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 04:33:29,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2020-11-28 04:33:29,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 04:33:29,648 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 04:33:29,648 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 04:33:29,648 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2020-11-28 04:33:29,648 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 04:33:29,649 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 04:33:29,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4014dbf0df0ea89fc5bcb7584dfcfa1c9ac1cf1e [2020-11-28 04:33:29,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 04:33:29,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 04:33:29,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 04:33:29,920 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 04:33:29,922 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 04:33:29,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2020-11-28 04:33:30,019 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/data/9674d453a/74bd8c3c75aa4963bee9a46e3497cb22/FLAGa35de621d [2020-11-28 04:33:30,474 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 04:33:30,474 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/sv-benchmarks/c/product-lines/minepump_spec3_product26.cil.c [2020-11-28 04:33:30,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/data/9674d453a/74bd8c3c75aa4963bee9a46e3497cb22/FLAGa35de621d [2020-11-28 04:33:30,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/data/9674d453a/74bd8c3c75aa4963bee9a46e3497cb22 [2020-11-28 04:33:30,832 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 04:33:30,833 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 04:33:30,836 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:30,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 04:33:30,839 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 04:33:30,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:30" (1/1) ... [2020-11-28 04:33:30,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e15c89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:30, skipping insertion in model container [2020-11-28 04:33:30,841 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:33:30" (1/1) ... [2020-11-28 04:33:30,848 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 04:33:30,900 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 04:33:31,328 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:31,345 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 04:33:31,460 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 04:33:31,503 INFO L208 MainTranslator]: Completed translation [2020-11-28 04:33:31,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31 WrapperNode [2020-11-28 04:33:31,506 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 04:33:31,508 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:31,508 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 04:33:31,509 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 04:33:31,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 04:33:31,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 04:33:31,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 04:33:31,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 04:33:31,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,617 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,618 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... [2020-11-28 04:33:31,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 04:33:31,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 04:33:31,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 04:33:31,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 04:33:31,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:33:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/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 [2020-11-28 04:33:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 04:33:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-28 04:33:31,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-28 04:33:31,719 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-28 04:33:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-28 04:33:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-28 04:33:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-28 04:33:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-28 04:33:31,720 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-28 04:33:31,720 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-28 04:33:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-28 04:33:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 04:33:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-28 04:33:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-28 04:33:31,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 04:33:31,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 04:33:32,757 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 04:33:32,758 INFO L298 CfgBuilder]: Removed 40 assume(true) statements. [2020-11-28 04:33:32,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:32 BoogieIcfgContainer [2020-11-28 04:33:32,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 04:33:32,761 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2020-11-28 04:33:32,761 INFO L271 PluginConnector]: Initializing CodeCheck... [2020-11-28 04:33:32,771 INFO L275 PluginConnector]: CodeCheck initialized [2020-11-28 04:33:32,771 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:32" (1/1) ... [2020-11-28 04:33:32,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 04:33:32,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:32,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 47 states and 62 transitions. [2020-11-28 04:33:32,819 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2020-11-28 04:33:32,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-11-28 04:33:32,824 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:33,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:33,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:33,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 47 states and 60 transitions. [2020-11-28 04:33:33,106 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 60 transitions. [2020-11-28 04:33:33,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-11-28 04:33:33,109 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:33,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:33,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:33,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2020-11-28 04:33:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2020-11-28 04:33:33,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-11-28 04:33:33,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:33,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:33,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2020-11-28 04:33:33,698 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2020-11-28 04:33:33,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:33:33,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:33,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:34,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 73 states and 121 transitions. [2020-11-28 04:33:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 121 transitions. [2020-11-28 04:33:34,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-11-28 04:33:34,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:36,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:36,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 87 states and 162 transitions. [2020-11-28 04:33:36,521 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 162 transitions. [2020-11-28 04:33:36,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:33:36,531 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:36,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:36,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 88 states and 165 transitions. [2020-11-28 04:33:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 165 transitions. [2020-11-28 04:33:36,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-11-28 04:33:36,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 04:33:36,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 04:33:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2020-11-28 04:33:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 90 states and 168 transitions. [2020-11-28 04:33:37,102 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 168 transitions. [2020-11-28 04:33:37,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-28 04:33:37,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2020-11-28 04:33:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:37,169 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:37,261 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:37,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:37,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 04:33:37,658 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 04:33:37,740 WARN L483 CodeCheckObserver]: This program is UNSAFE, Check terminated with 8 iterations. [2020-11-28 04:33:37,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 28.11 04:33:37 ImpRootNode [2020-11-28 04:33:37,876 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2020-11-28 04:33:37,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 04:33:37,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 04:33:37,877 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 04:33:37,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:33:32" (3/4) ... [2020-11-28 04:33:37,879 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 04:33:38,140 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_9ac66aed-4192-4caf-8eec-8998c8f9381f/bin/ukojak/witness.graphml [2020-11-28 04:33:38,140 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 04:33:38,144 INFO L168 Benchmark]: Toolchain (without parser) took 7307.27 ms. Allocated memory was 88.1 MB in the beginning and 138.4 MB in the end (delta: 50.3 MB). Free memory was 56.0 MB in the beginning and 57.8 MB in the end (delta: -1.9 MB). Peak memory consumption was 48.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:38,144 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 88.1 MB. Free memory was 44.6 MB in the beginning and 44.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 04:33:38,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.83 ms. Allocated memory is still 88.1 MB. Free memory was 55.8 MB in the beginning and 55.2 MB in the end (delta: 588.8 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:38,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.62 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 52.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:38,146 INFO L168 Benchmark]: Boogie Preprocessor took 45.97 ms. Allocated memory is still 88.1 MB. Free memory was 52.7 MB in the beginning and 51.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:38,147 INFO L168 Benchmark]: RCFGBuilder took 1122.97 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 50.7 MB in the beginning and 81.7 MB in the end (delta: -31.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:38,147 INFO L168 Benchmark]: CodeCheck took 5115.49 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 81.7 MB in the beginning and 68.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:38,148 INFO L168 Benchmark]: Witness Printer took 263.44 ms. Allocated memory is still 138.4 MB. Free memory was 68.3 MB in the beginning and 57.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 04:33:38,151 INFO L339 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, 47 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.9s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3288 SDtfs, 1168 SDslu, 2628 SDs, 0 SdLazy, 2292 SolverSat, 652 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1443 GetRequests, 1359 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2294 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 180 NumberOfCodeBlocks, 180 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 146 ConstructedInterpolants, 0 QuantifiedInterpolants, 7982 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L186] int waterLevel = 1; [L187] int methaneLevelCritical = 0; [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L172] int retValue_acc ; [L175] retValue_acc = 1 [L176] return (retValue_acc); [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L834] int splverifierCounter ; [L835] int tmp ; [L836] int tmp___0 ; [L837] int tmp___1 ; [L838] int tmp___2 ; [L841] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L843] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L845] COND TRUE splverifierCounter < 4 [L851] tmp = __VERIFIER_nondet_int() [L853] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L855] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L204] COND TRUE waterLevel < 2 [L205] waterLevel = waterLevel + 1 [L855] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L861] tmp___0 = __VERIFIER_nondet_int() [L863] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L871] tmp___2 = __VERIFIER_nondet_int() [L873] COND TRUE \read(tmp___2) [L828] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L888] CALL timeShift() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L662] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] COND TRUE \read(systemActive) [L691] int tmp ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] COND FALSE !(\read(pumpRunning)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L709] FCALL processEnvironment__wrappee__base() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L901] int tmp ; [L902] int tmp___0 ; [L903] int tmp___1 ; VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L907] CALL, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L225] int retValue_acc ; [L228] retValue_acc = methaneLevelCritical [L229] return (retValue_acc); [L907] RET, EXPR isMethaneLevelCritical() VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L907] tmp = isMethaneLevelCritical() [L909] COND FALSE !(\read(tmp)) [L257] int retValue_acc ; [L260] retValue_acc = waterLevel [L261] return (retValue_acc); [L913] tmp___0 = getWaterLevel() [L915] COND TRUE tmp___0 == 2 [L761] int retValue_acc ; [L764] retValue_acc = pumpRunning [L765] return (retValue_acc); [L917] tmp___1 = isPumpRunning() [L919] COND FALSE !(\read(tmp___1)) VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product26.cil.c", 3, "reach_error") VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, 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 88.1 MB. Free memory was 44.6 MB in the beginning and 44.6 MB in the end (delta: 39.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 669.83 ms. Allocated memory is still 88.1 MB. Free memory was 55.8 MB in the beginning and 55.2 MB in the end (delta: 588.8 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 81.62 ms. Allocated memory is still 88.1 MB. Free memory was 55.2 MB in the beginning and 52.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.97 ms. Allocated memory is still 88.1 MB. Free memory was 52.7 MB in the beginning and 51.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1122.97 ms. Allocated memory was 88.1 MB in the beginning and 115.3 MB in the end (delta: 27.3 MB). Free memory was 50.7 MB in the beginning and 81.7 MB in the end (delta: -31.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * CodeCheck took 5115.49 ms. Allocated memory was 115.3 MB in the beginning and 138.4 MB in the end (delta: 23.1 MB). Free memory was 81.7 MB in the beginning and 68.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 35.1 MB. Max. memory is 16.1 GB. * Witness Printer took 263.44 ms. Allocated memory is still 138.4 MB. Free memory was 68.3 MB in the beginning and 57.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...