./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB --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 b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:41:38,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:38,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:38,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:38,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:38,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:38,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:38,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:38,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:38,532 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:38,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:38,536 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:38,536 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:38,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:38,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:38,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:38,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:38,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:38,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:38,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:38,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:38,554 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:38,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:38,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:38,562 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:38,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:38,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:38,565 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:38,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:38,567 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:38,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:38,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:38,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:38,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:38,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:38,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:38,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:38,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:38,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:38,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:38,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:38,579 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:38,604 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:38,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:38,605 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:38,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:38,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:38,607 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:38,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:38,607 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:38,608 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:38,608 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:38,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:38,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:38,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:38,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:38,609 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:38,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:38,610 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:38,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:38,610 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:38,610 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:38,611 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:38,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:38,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:38,612 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:38,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:38,612 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:38,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:38,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:38,613 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_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b22026a332ccca8082c7769c107f506d3ca596d9fcaedb9dc78c497ca0c585ab [2022-10-17 16:41:38,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:38,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:38,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:38,896 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:38,898 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:38,900 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2022-10-17 16:41:39,011 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/data/c5d75b595/1c8210dcf687407fb68711d708177d15/FLAG252a28925 [2022-10-17 16:41:39,535 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:39,535 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c [2022-10-17 16:41:39,558 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/data/c5d75b595/1c8210dcf687407fb68711d708177d15/FLAG252a28925 [2022-10-17 16:41:39,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/data/c5d75b595/1c8210dcf687407fb68711d708177d15 [2022-10-17 16:41:39,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:39,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:39,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:39,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:39,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:39,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d973da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39, skipping insertion in model container [2022-10-17 16:41:39,864 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,872 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:39,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:40,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2022-10-17 16:41:40,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:40,300 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:40,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/sv-benchmarks/c/product-lines/minepump_spec3_product04.cil.c[14184,14197] [2022-10-17 16:41:40,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:40,454 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:40,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40 WrapperNode [2022-10-17 16:41:40,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:40,457 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:40,457 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:40,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:40,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,528 INFO L138 Inliner]: procedures = 51, calls = 148, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 202 [2022-10-17 16:41:40,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:40,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:40,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:40,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:40,540 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,570 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:40,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:40,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:40,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:40,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:40,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:40,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:40,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:41:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:41:40,651 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:41:40,651 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:41:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:41:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:41:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:41:40,652 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:41:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:40,652 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:41:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:41:40,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:40,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:40,718 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:40,720 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:41,142 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:41,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:41,353 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:41:41,356 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:41 BoogieIcfgContainer [2022-10-17 16:41:41,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:41,357 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:41,357 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:41,368 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:41,369 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:41" (1/1) ... [2022-10-17 16:41:41,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:41,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:41,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2022-10-17 16:41:41,474 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-10-17 16:41:41,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:41:41,480 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:41,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:41,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:41,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:41,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2022-10-17 16:41:41,887 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-10-17 16:41:41,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:41:41,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:41,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:42,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:42,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:42,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 52 transitions. [2022-10-17 16:41:42,098 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-10-17 16:41:42,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:41:42,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:42,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:42,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:42,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:42,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 78 transitions. [2022-10-17 16:41:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2022-10-17 16:41:42,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:41:42,659 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:42,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:41:42,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:41:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:41:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:41:42,824 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:41:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:41:42,869 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2022-10-17 16:41:42,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:41:42 ImpRootNode [2022-10-17 16:41:42,912 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:41:42,913 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:41:42,913 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:41:42,913 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:41:42,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:41" (3/4) ... [2022-10-17 16:41:42,916 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:41:43,032 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:41:43,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:41:43,033 INFO L158 Benchmark]: Toolchain (without parser) took 3176.78ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 76.7MB in the beginning and 69.1MB in the end (delta: 7.6MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-10-17 16:41:43,034 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 111.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:41:43,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.94ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 77.5MB in the end (delta: -1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:41:43,037 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.59ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 75.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:43,037 INFO L158 Benchmark]: Boogie Preprocessor took 44.91ms. Allocated memory is still 111.1MB. Free memory was 75.1MB in the beginning and 73.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:43,040 INFO L158 Benchmark]: RCFGBuilder took 781.31ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 73.5MB in the beginning and 113.7MB in the end (delta: -40.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2022-10-17 16:41:43,041 INFO L158 Benchmark]: CodeCheck took 1555.39ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 72.2MB in the end (delta: 41.5MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2022-10-17 16:41:43,041 INFO L158 Benchmark]: Witness Printer took 119.79ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 69.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:41:43,046 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 6 procedures, 40 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 83 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 46 ConstructedInterpolants, 0 QuantifiedInterpolants, 88 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 643]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L56] int waterLevel = 1; [L57] int methaneLevelCritical = 0; [L305] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L540] int cleanupTimeShifts = 4; [L687] int pumpRunning = 0; [L688] int systemActive = 1; [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L531] int retValue_acc ; [L534] retValue_acc = 1 [L535] return (retValue_acc); [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L827] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1] [L839] CALL waterRise() VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L74] COND TRUE waterLevel < 2 [L75] waterLevel = waterLevel + 1 [L839] RET waterRise() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2] [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2] [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___2)) [L863] tmp___1 = __VERIFIER_nondet_int() [L865] COND TRUE \read(tmp___1) [L867] CALL stopSystem() [L797] COND FALSE !(\read(pumpRunning)) [L804] systemActive = 0 [L867] RET stopSystem() [L874] CALL timeShift() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L694] COND FALSE !(\read(pumpRunning)) [L701] COND FALSE !(\read(systemActive)) [L709] CALL __utac_acc__Specification3_spec__1() [L650] int tmp ; [L651] int tmp___0 ; [L652] int tmp___1 ; VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L656] CALL, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L95] int retValue_acc ; [L98] retValue_acc = methaneLevelCritical [L99] return (retValue_acc); [L656] RET, EXPR isMethaneLevelCritical() VAL [\old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L656] tmp = isMethaneLevelCritical() [L658] COND FALSE !(\read(tmp)) [L662] CALL, EXPR getWaterLevel() [L127] int retValue_acc ; [L130] retValue_acc = waterLevel [L131] return (retValue_acc); [L662] RET, EXPR getWaterLevel() [L662] tmp___0 = getWaterLevel() [L664] COND TRUE tmp___0 == 2 [L666] CALL, EXPR isPumpRunning() [L749] int retValue_acc ; [L752] retValue_acc = pumpRunning [L753] return (retValue_acc); [L666] RET, EXPR isPumpRunning() [L666] tmp___1 = isPumpRunning() [L668] COND FALSE !(\read(tmp___1)) [L672] CALL __automaton_fail() [L643] reach_error() VAL [\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 0.35ms. Allocated memory is still 111.1MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.94ms. Allocated memory is still 111.1MB. Free memory was 76.5MB in the beginning and 77.5MB in the end (delta: -1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.59ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 75.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.91ms. Allocated memory is still 111.1MB. Free memory was 75.1MB in the beginning and 73.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 781.31ms. Allocated memory was 111.1MB in the beginning and 142.6MB in the end (delta: 31.5MB). Free memory was 73.5MB in the beginning and 113.7MB in the end (delta: -40.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * CodeCheck took 1555.39ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 72.2MB in the end (delta: 41.5MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Witness Printer took 119.79ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 69.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:41:43,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_70e496fe-0369-40f6-a208-f7d7ea51304b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE