./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.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_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/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_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/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_df458998-3953-4632-b339-2e4efd4c51bf/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 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:22,511 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:22,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:22,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:22,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:22,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:22,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:22,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:22,575 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:22,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:22,582 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:22,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:22,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:22,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:22,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:22,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:22,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:22,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:22,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:22,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:22,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:22,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:22,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:22,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:22,615 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:22,616 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:22,616 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:22,617 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:22,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:22,619 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:22,619 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:22,620 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:22,621 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:22,622 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:22,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:22,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:22,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:22,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:22,624 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:22,625 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:22,626 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:22,626 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:23:22,649 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:22,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:22,650 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:23:22,650 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:23:22,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:22,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:22,652 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:22,652 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:22,652 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:23:22,652 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:22,652 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:22,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:23:22,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:22,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:23:22,653 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:22,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:23:22,653 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:22,653 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:23:22,654 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:22,654 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:22,654 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:22,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:22,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:22,655 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:22,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:23:22,655 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:23:22,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:23:22,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:23:22,655 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_df458998-3953-4632-b339-2e4efd4c51bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2021-11-23 00:23:22,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:22,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:22,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:22,982 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:22,983 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:22,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-11-23 00:23:23,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data/258df7eae/fdd11778fc2e4a228229f3302d93eacf/FLAGd0d3f658b [2021-11-23 00:23:23,649 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:23,650 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-11-23 00:23:23,663 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data/258df7eae/fdd11778fc2e4a228229f3302d93eacf/FLAGd0d3f658b [2021-11-23 00:23:23,941 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data/258df7eae/fdd11778fc2e4a228229f3302d93eacf [2021-11-23 00:23:23,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:23,944 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:23,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:23,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:23,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:23,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:23" (1/1) ... [2021-11-23 00:23:23,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@771f0c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:23, skipping insertion in model container [2021-11-23 00:23:23,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:23" (1/1) ... [2021-11-23 00:23:23,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:24,009 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:24,213 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 00:23:24,357 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_df458998-3953-4632-b339-2e4efd4c51bf/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-11-23 00:23:24,364 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:24,375 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:24,402 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 00:23:24,433 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_df458998-3953-4632-b339-2e4efd4c51bf/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-11-23 00:23:24,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:24,480 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:24,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24 WrapperNode [2021-11-23 00:23:24,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:24,482 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:24,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:24,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:24,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,522 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,555 INFO L137 Inliner]: procedures = 173, calls = 24, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108 [2021-11-23 00:23:24,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:24,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:24,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:24,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:24,565 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,580 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:24,593 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:24,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:24,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:24,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:24" (1/1) ... [2021-11-23 00:23:24,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:24,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:24,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:24,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:23:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 00:23:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 00:23:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:23:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:23:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:23:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:23:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:23:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:23:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:24,675 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 00:23:24,794 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:24,796 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:24,985 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:25,092 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:25,093 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:23:25,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:25 BoogieIcfgContainer [2021-11-23 00:23:25,095 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:23:25,096 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:23:25,096 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:23:25,106 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:23:25,107 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:25" (1/1) ... [2021-11-23 00:23:25,108 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 00:23:25,112 INFO L158 Benchmark]: Toolchain (without parser) took 1167.14ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 52.0MB in the beginning and 91.6MB in the end (delta: -39.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:25,113 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 92.3MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:25,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.20ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 51.7MB in the beginning and 86.7MB in the end (delta: -35.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.01ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 84.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,116 INFO L158 Benchmark]: Boogie Preprocessor took 36.34ms. Allocated memory is still 119.5MB. Free memory was 84.4MB in the beginning and 82.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,116 INFO L158 Benchmark]: RCFGBuilder took 502.41ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 93.1MB in the end (delta: -10.6MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,117 INFO L158 Benchmark]: CodeCheck took 13.99ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 92.3MB in the end (delta: 774.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:25,122 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 0.35ms. Allocated memory is still 92.3MB. Free memory is still 69.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.20ms. Allocated memory was 92.3MB in the beginning and 119.5MB in the end (delta: 27.3MB). Free memory was 51.7MB in the beginning and 86.7MB in the end (delta: -35.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.01ms. Allocated memory is still 119.5MB. Free memory was 86.7MB in the beginning and 84.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.34ms. Allocated memory is still 119.5MB. Free memory was 84.4MB in the beginning and 82.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 502.41ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 93.1MB in the end (delta: -10.6MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * CodeCheck took 13.99ms. Allocated memory is still 119.5MB. Free memory was 93.1MB in the beginning and 92.3MB in the end (delta: 774.9kB). 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 00:23:25,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/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_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/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_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/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_df458998-3953-4632-b339-2e4efd4c51bf/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 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:23:27,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:23:27,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:23:27,602 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:23:27,603 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:23:27,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:23:27,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:23:27,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:23:27,622 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:23:27,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:23:27,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:23:27,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:23:27,627 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:23:27,628 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:23:27,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:23:27,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:23:27,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:23:27,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:23:27,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:23:27,648 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:23:27,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:23:27,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:23:27,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:23:27,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:23:27,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:23:27,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:23:27,666 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:23:27,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:23:27,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:23:27,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:23:27,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:23:27,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:23:27,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:23:27,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:23:27,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:23:27,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:23:27,680 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:23:27,680 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:23:27,680 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:23:27,682 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:23:27,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:23:27,684 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:23:27,731 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:23:27,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:23:27,733 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:23:27,733 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:23:27,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:23:27,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:23:27,735 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:23:27,736 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:23:27,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:23:27,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:23:27,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:23:27,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:23:27,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:23:27,739 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:23:27,739 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:23:27,739 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:23:27,739 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:23:27,740 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:23:27,740 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:23:27,740 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:23:27,740 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:23:27,741 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:23:27,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:23:27,741 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:27,741 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:23:27,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:23:27,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:23:27,742 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:23:27,742 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:23:27,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:23:27,743 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:23:27,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:23:27,744 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_df458998-3953-4632-b339-2e4efd4c51bf/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 31f5db4bc5916150a86a586587dbeca1bc7aa37b414274f5dc02856908270171 [2021-11-23 00:23:28,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:23:28,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:23:28,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:23:28,178 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:23:28,179 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:23:28,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-11-23 00:23:28,257 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data/a55130a2e/efe9773d8f7440d7b3ebd0efe094b5e5/FLAGff57ede44 [2021-11-23 00:23:28,963 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:23:28,970 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i [2021-11-23 00:23:28,983 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data/a55130a2e/efe9773d8f7440d7b3ebd0efe094b5e5/FLAGff57ede44 [2021-11-23 00:23:29,265 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/data/a55130a2e/efe9773d8f7440d7b3ebd0efe094b5e5 [2021-11-23 00:23:29,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:23:29,268 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:23:29,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:29,270 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:23:29,274 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:23:29,274 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6719c47f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29, skipping insertion in model container [2021-11-23 00:23:29,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:23:29,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:23:29,528 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 00:23:29,697 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_df458998-3953-4632-b339-2e4efd4c51bf/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-11-23 00:23:29,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:29,722 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:23:29,753 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 00:23:29,785 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_df458998-3953-4632-b339-2e4efd4c51bf/sv-benchmarks/c/pthread-ext/48_ticket_lock_low_contention_vs.i[30893,30906] [2021-11-23 00:23:29,792 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:23:29,854 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:23:29,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29 WrapperNode [2021-11-23 00:23:29,855 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:23:29,856 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:29,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:23:29,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:23:29,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,936 INFO L137 Inliner]: procedures = 176, calls = 24, calls flagged for inlining = 5, calls inlined = 7, statements flattened = 108 [2021-11-23 00:23:29,937 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:23:29,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:23:29,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:23:29,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:23:29,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,985 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:23:29,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:23:29,990 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:23:29,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:23:29,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:23:29" (1/1) ... [2021-11-23 00:23:29,998 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:23:30,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:23:30,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:23:30,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:23:30,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:23:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 00:23:30,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 00:23:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 00:23:30,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:23:30,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:23:30,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:23:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:23:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:23:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 00:23:30,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:23:30,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:23:30,097 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 00:23:30,280 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:23:30,295 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:23:30,544 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:23:30,644 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:23:30,645 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-23 00:23:30,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:30 BoogieIcfgContainer [2021-11-23 00:23:30,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:23:30,648 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:23:30,649 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:23:30,658 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:23:30,659 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:23:30" (1/1) ... [2021-11-23 00:23:30,660 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 00:23:30,664 INFO L158 Benchmark]: Toolchain (without parser) took 1393.96ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.5MB in the beginning and 37.6MB in the end (delta: -4.1MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-11-23 00:23:30,664 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:30,665 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.60ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 29.3MB in the end (delta: 4.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:23:30,666 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.53ms. Allocated memory is still 56.6MB. Free memory was 29.3MB in the beginning and 27.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:30,667 INFO L158 Benchmark]: Boogie Preprocessor took 51.43ms. Allocated memory is still 56.6MB. Free memory was 27.1MB in the beginning and 25.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:23:30,668 INFO L158 Benchmark]: RCFGBuilder took 657.87ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 25.3MB in the beginning and 38.6MB in the end (delta: -13.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2021-11-23 00:23:30,669 INFO L158 Benchmark]: CodeCheck took 13.32ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.6MB in the end (delta: 957.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:23:30,673 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 0.33ms. Allocated memory is still 56.6MB. Free memory was 38.4MB in the beginning and 38.4MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.60ms. Allocated memory is still 56.6MB. Free memory was 33.4MB in the beginning and 29.3MB in the end (delta: 4.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.53ms. Allocated memory is still 56.6MB. Free memory was 29.3MB in the beginning and 27.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.43ms. Allocated memory is still 56.6MB. Free memory was 27.1MB in the beginning and 25.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 657.87ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 25.3MB in the beginning and 38.6MB in the end (delta: -13.3MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * CodeCheck took 13.32ms. Allocated memory is still 71.3MB. Free memory was 38.6MB in the beginning and 37.6MB in the end (delta: 957.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:23:30,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df458998-3953-4632-b339-2e4efd4c51bf/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