./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1-pthread.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e10ed02255b37a861fcd919e1a26aad90b67620d926f632b070967147a10b69 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:40,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:40,352 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:56:40,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:40,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:40,382 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:40,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:40,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:40,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:40,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:40,389 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:40,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:40,391 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:40,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:40,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:40,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:40,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:40,399 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:40,400 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:40,400 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:40,401 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:40,401 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:40,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:40,402 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:40,403 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:40,405 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:40,405 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:40,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:40,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:40,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:40,408 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:40,408 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:40,409 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:40,409 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:40,409 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:40,409 INFO L153 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_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e10ed02255b37a861fcd919e1a26aad90b67620d926f632b070967147a10b69 [2023-11-24 22:56:40,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:40,791 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:40,794 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:40,795 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:40,796 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:40,797 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1-pthread.i [2023-11-24 22:56:44,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:44,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:44,614 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/sv-benchmarks/c/pthread-ext/25_stack_longest-1-pthread.i [2023-11-24 22:56:44,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/data/988f49b28/3ecc11d87bb14f72b5cb9d79fd3baced/FLAGcc37cd745 [2023-11-24 22:56:44,666 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/data/988f49b28/3ecc11d87bb14f72b5cb9d79fd3baced [2023-11-24 22:56:44,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:44,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:44,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:44,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:44,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:44,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:44" (1/1) ... [2023-11-24 22:56:44,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c147168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:44, skipping insertion in model container [2023-11-24 22:56:44,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:44" (1/1) ... [2023-11-24 22:56:44,767 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:45,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:45,335 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:45,411 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:45,459 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:45,459 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:45,467 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:45,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45 WrapperNode [2023-11-24 22:56:45,468 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:45,469 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:45,469 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:45,470 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:45,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,534 INFO L138 Inliner]: procedures = 172, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 145 [2023-11-24 22:56:45,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:45,537 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:45,537 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:45,537 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:45,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,571 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:45,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:45,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:45,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:45,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:45" (1/1) ... [2023-11-24 22:56:45,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:45,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:45,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:45,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:45,678 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 22:56:45,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 22:56:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:56:45,680 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:56:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:56:45,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-24 22:56:45,682 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-24 22:56:45,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:56:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:56:45,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:45,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:45,685 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:56:45,864 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:45,867 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:46,246 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:46,334 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:46,334 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:56:46,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:46 BoogieIcfgContainer [2023-11-24 22:56:46,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:46,338 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:46,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:46,348 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:46,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:46" (1/1) ... [2023-11-24 22:56:46,350 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-24 22:56:46,354 INFO L158 Benchmark]: Toolchain (without parser) took 1678.14ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 87.3MB in the beginning and 123.5MB in the end (delta: -36.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:46,355 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:46,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 788.07ms. Allocated memory is still 134.2MB. Free memory was 87.3MB in the beginning and 66.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:56:46,356 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.98ms. Allocated memory is still 134.2MB. Free memory was 66.2MB in the beginning and 63.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:46,357 INFO L158 Benchmark]: Boogie Preprocessor took 41.24ms. Allocated memory is still 134.2MB. Free memory was 63.7MB in the beginning and 62.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:46,358 INFO L158 Benchmark]: RCFGBuilder took 758.12ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 62.1MB in the beginning and 124.6MB in the end (delta: -62.5MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:46,359 INFO L158 Benchmark]: CodeCheck took 14.93ms. Allocated memory is still 163.6MB. Free memory was 124.6MB in the beginning and 123.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:46,363 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 788.07ms. Allocated memory is still 134.2MB. Free memory was 87.3MB in the beginning and 66.2MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.98ms. Allocated memory is still 134.2MB. Free memory was 66.2MB in the beginning and 63.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.24ms. Allocated memory is still 134.2MB. Free memory was 63.7MB in the beginning and 62.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.12ms. Allocated memory was 134.2MB in the beginning and 163.6MB in the end (delta: 29.4MB). Free memory was 62.1MB in the beginning and 124.6MB in the end (delta: -62.5MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * CodeCheck took 14.93ms. Allocated memory is still 163.6MB. Free memory was 124.6MB in the beginning and 123.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:56:46,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1-pthread.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3e10ed02255b37a861fcd919e1a26aad90b67620d926f632b070967147a10b69 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:48,977 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:49,127 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:56:49,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:49,188 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:49,189 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:49,190 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:49,191 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:49,192 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:49,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:49,200 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:49,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:49,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:49,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:49,204 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:49,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:49,205 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:49,205 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:49,206 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:49,206 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:49,207 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:49,207 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:49,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:49,208 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:49,209 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:49,209 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:49,210 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:49,210 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:49,211 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:49,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:49,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:49,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:49,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:49,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:49,214 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:49,214 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:49,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:49,215 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:49,215 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:49,216 INFO L153 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_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e10ed02255b37a861fcd919e1a26aad90b67620d926f632b070967147a10b69 [2023-11-24 22:56:49,625 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:49,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:49,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:49,653 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:49,654 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:49,655 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1-pthread.i [2023-11-24 22:56:53,086 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:53,419 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:53,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/sv-benchmarks/c/pthread-ext/25_stack_longest-1-pthread.i [2023-11-24 22:56:53,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/data/827e81737/7bc69caeeec4413bb299fa0288488565/FLAGed6df073a [2023-11-24 22:56:53,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/data/827e81737/7bc69caeeec4413bb299fa0288488565 [2023-11-24 22:56:53,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:53,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:53,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:53,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:53,463 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:53,466 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d83b5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:53, skipping insertion in model container [2023-11-24 22:56:53,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:53" (1/1) ... [2023-11-24 22:56:53,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:54,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:54,107 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:54,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:54,246 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:54,246 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:54,254 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:54,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54 WrapperNode [2023-11-24 22:56:54,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:54,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:54,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:54,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:54,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,311 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,351 INFO L138 Inliner]: procedures = 176, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2023-11-24 22:56:54,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:54,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:54,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:54,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:54,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,364 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,365 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,375 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,379 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,390 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:54,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:54,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:54,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:54,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:54" (1/1) ... [2023-11-24 22:56:54,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:54,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:54,442 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:54,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:54,492 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 22:56:54,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 22:56:54,493 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-24 22:56:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:56:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:54,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:54,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:56:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:56:54,496 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2023-11-24 22:56:54,496 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2023-11-24 22:56:54,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:56:54,497 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-24 22:56:54,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:54,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:54,500 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:56:54,741 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:54,743 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:55,155 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:55,231 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:55,231 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:56:55,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:55 BoogieIcfgContainer [2023-11-24 22:56:55,233 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:55,234 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:55,235 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:55,246 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:55,246 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:55" (1/1) ... [2023-11-24 22:56:55,247 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-24 22:56:55,252 INFO L158 Benchmark]: Toolchain (without parser) took 1793.30ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 42.0MB in the beginning and 51.2MB in the end (delta: -9.3MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:55,252 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:55,253 INFO L158 Benchmark]: CACSL2BoogieTranslator took 796.93ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 41.6MB in the beginning and 55.6MB in the end (delta: -14.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:55,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.61ms. Allocated memory is still 88.1MB. Free memory was 55.6MB in the beginning and 53.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:55,255 INFO L158 Benchmark]: Boogie Preprocessor took 38.71ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 51.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:55,255 INFO L158 Benchmark]: RCFGBuilder took 842.47ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 52.1MB in the end (delta: -1.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:56:55,256 INFO L158 Benchmark]: CodeCheck took 15.49ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 51.2MB in the end (delta: 913.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:55,260 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 67.1MB. Free memory is still 43.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 796.93ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 41.6MB in the beginning and 55.6MB in the end (delta: -14.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.61ms. Allocated memory is still 88.1MB. Free memory was 55.6MB in the beginning and 53.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.71ms. Allocated memory is still 88.1MB. Free memory was 53.2MB in the beginning and 51.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 842.47ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 52.1MB in the end (delta: -1.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15.49ms. Allocated memory is still 88.1MB. Free memory was 52.1MB in the beginning and 51.2MB in the end (delta: 913.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:56:55,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75642364-b6aa-4adb-bc0b-6e20d044dae3/bin/ukojak-verify-afCqCEvfdi/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