./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-12.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ --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 c4525591fa85ffc9750f318a48c09fdd29dc0d26cd65c6303a681f57303fc1a4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:09:14,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:09:14,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:09:14,478 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:09:14,478 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:09:14,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:09:14,482 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:09:14,484 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:09:14,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:09:14,489 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:09:14,490 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:09:14,492 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:09:14,492 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:09:14,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:09:14,496 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:09:14,498 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:09:14,499 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:09:14,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:09:14,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:09:14,506 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:09:14,509 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:09:14,510 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:09:14,512 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:09:14,514 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:09:14,518 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:09:14,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:09:14,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:09:14,520 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:09:14,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:09:14,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:09:14,523 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:09:14,524 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:09:14,525 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:09:14,526 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:09:14,528 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:09:14,528 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:09:14,529 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:09:14,530 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:09:14,530 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:09:14,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:09:14,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:09:14,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:09:14,563 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:09:14,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:09:14,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:09:14,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:09:14,565 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:09:14,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:09:14,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:09:14,566 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:09:14,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:09:14,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:09:14,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:09:14,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:09:14,574 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:09:14,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:09:14,574 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:09:14,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:09:14,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:09:14,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:09:14,575 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:09:14,575 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:09:14,576 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:09:14,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:14,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:09:14,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:09:14,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:09:14,577 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:09:14,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:09:14,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:09:14,578 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_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4525591fa85ffc9750f318a48c09fdd29dc0d26cd65c6303a681f57303fc1a4 [2021-11-23 01:09:14,896 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:09:14,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:09:14,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:09:14,922 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:09:14,923 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:09:14,925 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2021-11-23 01:09:15,013 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data/b162cee66/b86733cb903b44cbb24686e2c8438344/FLAG1da46cd02 [2021-11-23 01:09:15,660 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:09:15,661 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/sv-benchmarks/c/pthread/fib_unsafe-12.i [2021-11-23 01:09:15,690 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data/b162cee66/b86733cb903b44cbb24686e2c8438344/FLAG1da46cd02 [2021-11-23 01:09:15,915 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data/b162cee66/b86733cb903b44cbb24686e2c8438344 [2021-11-23 01:09:15,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:09:15,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:09:15,921 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:15,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:09:15,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:09:15,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:15" (1/1) ... [2021-11-23 01:09:15,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ac8c19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:15, skipping insertion in model container [2021-11-23 01:09:15,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:15" (1/1) ... [2021-11-23 01:09:15,937 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:09:15,981 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:09:16,451 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_1943e3ce-ea61-438b-84e0-a10501f5270d/sv-benchmarks/c/pthread/fib_unsafe-12.i[30813,30826] [2021-11-23 01:09:16,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:16,465 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:09:16,533 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_1943e3ce-ea61-438b-84e0-a10501f5270d/sv-benchmarks/c/pthread/fib_unsafe-12.i[30813,30826] [2021-11-23 01:09:16,539 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:16,579 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:09:16,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16 WrapperNode [2021-11-23 01:09:16,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:16,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:16,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:09:16,583 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:09:16,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,624 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,660 INFO L137 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-23 01:09:16,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:16,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:09:16,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:09:16,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:09:16,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,679 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,680 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,694 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:09:16,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:09:16,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:09:16,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:09:16,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:16" (1/1) ... [2021-11-23 01:09:16,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:16,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:09:16,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:09:16,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:09:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 01:09:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 01:09:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 01:09:16,800 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 01:09:16,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:09:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:09:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:09:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:09:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:09:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:09:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:09:16,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:09:16,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:09:16,802 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:09:16,912 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:09:16,914 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:09:17,091 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:09:17,100 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:09:17,100 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:09:17,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:17 BoogieIcfgContainer [2021-11-23 01:09:17,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:09:17,108 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:09:17,108 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:09:17,118 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:09:17,118 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:17" (1/1) ... [2021-11-23 01:09:17,119 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:09:17,138 INFO L158 Benchmark]: Toolchain (without parser) took 1217.83ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 56.5MB in the beginning and 62.3MB in the end (delta: -5.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2021-11-23 01:09:17,152 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:09:17,153 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.48ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 56.4MB in the beginning and 78.8MB in the end (delta: -22.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 01:09:17,154 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.44ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:17,155 INFO L158 Benchmark]: Boogie Preprocessor took 63.99ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 75.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:17,156 INFO L158 Benchmark]: RCFGBuilder took 376.26ms. Allocated memory is still 113.2MB. Free memory was 75.5MB in the beginning and 63.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:09:17,157 INFO L158 Benchmark]: CodeCheck took 28.15ms. Allocated memory is still 113.2MB. Free memory was 63.3MB in the beginning and 62.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:09:17,161 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 90.2MB. Free memory was 45.5MB in the beginning and 45.5MB in the end (delta: 45.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 659.48ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 56.4MB in the beginning and 78.8MB in the end (delta: -22.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.44ms. Allocated memory is still 113.2MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.99ms. Allocated memory is still 113.2MB. Free memory was 76.7MB in the beginning and 75.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 376.26ms. Allocated memory is still 113.2MB. Free memory was 75.5MB in the beginning and 63.3MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 28.15ms. Allocated memory is still 113.2MB. Free memory was 63.3MB in the beginning and 62.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:09:17,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-12.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ --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 c4525591fa85ffc9750f318a48c09fdd29dc0d26cd65c6303a681f57303fc1a4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:09:19,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:09:19,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:09:19,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:09:19,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:09:19,879 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:09:19,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:09:19,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:09:19,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:09:19,887 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:09:19,888 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:09:19,890 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:09:19,890 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:09:19,892 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:09:19,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:09:19,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:09:19,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:09:19,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:09:19,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:09:19,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:09:19,906 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:09:19,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:09:19,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:09:19,915 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:09:19,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:09:19,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:09:19,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:09:19,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:09:19,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:09:19,933 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:09:19,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:09:19,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:09:19,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:09:19,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:09:19,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:09:19,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:09:19,954 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:09:19,955 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:09:19,955 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:09:19,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:09:19,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:09:19,959 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:09:20,006 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:09:20,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:09:20,008 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:09:20,008 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:09:20,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:09:20,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:09:20,011 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:09:20,011 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:09:20,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:09:20,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:09:20,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:09:20,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:09:20,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:09:20,013 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:09:20,014 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:09:20,014 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:09:20,014 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:09:20,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:09:20,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:09:20,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:09:20,015 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:09:20,015 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:09:20,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:09:20,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:20,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:09:20,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:09:20,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:09:20,017 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:09:20,017 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:09:20,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:09:20,017 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:09:20,017 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:09:20,018 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c4525591fa85ffc9750f318a48c09fdd29dc0d26cd65c6303a681f57303fc1a4 [2021-11-23 01:09:20,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:09:20,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:09:20,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:09:20,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:09:20,480 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:09:20,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread/fib_unsafe-12.i [2021-11-23 01:09:20,577 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data/2e62aae89/639804a6b4be4fd3a9fc572496158502/FLAG06e2569bd [2021-11-23 01:09:21,313 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:09:21,316 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/sv-benchmarks/c/pthread/fib_unsafe-12.i [2021-11-23 01:09:21,335 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data/2e62aae89/639804a6b4be4fd3a9fc572496158502/FLAG06e2569bd [2021-11-23 01:09:21,540 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/data/2e62aae89/639804a6b4be4fd3a9fc572496158502 [2021-11-23 01:09:21,543 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:09:21,544 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:09:21,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:21,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:09:21,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:09:21,550 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:21" (1/1) ... [2021-11-23 01:09:21,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1da3fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:21, skipping insertion in model container [2021-11-23 01:09:21,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:09:21" (1/1) ... [2021-11-23 01:09:21,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:09:21,603 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:09:22,019 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_1943e3ce-ea61-438b-84e0-a10501f5270d/sv-benchmarks/c/pthread/fib_unsafe-12.i[30813,30826] [2021-11-23 01:09:22,023 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:22,040 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:09:22,100 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_1943e3ce-ea61-438b-84e0-a10501f5270d/sv-benchmarks/c/pthread/fib_unsafe-12.i[30813,30826] [2021-11-23 01:09:22,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:09:22,153 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:09:22,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22 WrapperNode [2021-11-23 01:09:22,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:09:22,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:22,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:09:22,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:09:22,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,209 INFO L137 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-11-23 01:09:22,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:09:22,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:09:22,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:09:22,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:09:22,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,237 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,250 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:09:22,251 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:09:22,251 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:09:22,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:09:22,253 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,260 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:09:22,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:09:22,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:09:22,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:09:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 01:09:22,344 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 01:09:22,344 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 01:09:22,345 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 01:09:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:09:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:09:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:09:22,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:09:22,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:09:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:09:22,350 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:09:22,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:09:22,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:09:22,353 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:09:22,573 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:09:22,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:09:22,831 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:09:22,839 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:09:22,839 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 01:09:22,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:22 BoogieIcfgContainer [2021-11-23 01:09:22,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:09:22,843 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:09:22,843 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:09:22,864 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:09:22,865 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:09:22" (1/1) ... [2021-11-23 01:09:22,866 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 01:09:22,870 INFO L158 Benchmark]: Toolchain (without parser) took 1324.23ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 42.0MB in the beginning and 65.4MB in the end (delta: -23.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:09:22,870 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:09:22,871 INFO L158 Benchmark]: CACSL2BoogieTranslator took 608.77ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 37.0MB in the end (delta: 4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:09:22,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.45ms. Allocated memory is still 62.9MB. Free memory was 37.0MB in the beginning and 34.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:22,873 INFO L158 Benchmark]: Boogie Preprocessor took 39.70ms. Allocated memory is still 62.9MB. Free memory was 34.9MB in the beginning and 33.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:22,874 INFO L158 Benchmark]: RCFGBuilder took 590.81ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 33.1MB in the beginning and 66.2MB in the end (delta: -33.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. [2021-11-23 01:09:22,875 INFO L158 Benchmark]: CodeCheck took 25.03ms. Allocated memory is still 86.0MB. Free memory was 66.2MB in the beginning and 65.4MB in the end (delta: 830.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:09:22,878 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 62.9MB. Free memory is still 43.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 608.77ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 37.0MB in the end (delta: 4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.45ms. Allocated memory is still 62.9MB. Free memory was 37.0MB in the beginning and 34.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.70ms. Allocated memory is still 62.9MB. Free memory was 34.9MB in the beginning and 33.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 590.81ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 33.1MB in the beginning and 66.2MB in the end (delta: -33.1MB). Peak memory consumption was 17.3MB. Max. memory is 16.1GB. * CodeCheck took 25.03ms. Allocated memory is still 86.0MB. Free memory was 66.2MB in the beginning and 65.4MB in the end (delta: 830.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:09:22,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1943e3ce-ea61-438b-84e0-a10501f5270d/bin/ukojak-LBtLqBUTdQ/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 Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported