./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/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_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --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 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:01,983 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:02,057 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:07:02,063 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:02,064 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:02,089 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:02,090 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:02,090 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:02,091 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:02,092 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:02,093 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:02,093 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:02,094 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:02,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:02,095 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:02,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:02,096 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:02,096 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:02,097 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:02,097 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:02,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:02,098 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:02,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:02,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:02,100 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:02,100 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:02,101 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:02,101 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:02,101 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:02,102 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:02,102 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:02,103 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:02,103 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:02,103 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_90868fc9-d1b6-4474-814f-e518fee0da49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 [2023-11-24 23:07:02,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:02,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:02,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:02,394 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:02,395 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:02,396 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-11-24 23:07:05,562 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:05,900 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:05,901 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-11-24 23:07:05,917 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/data/514eebba2/33ec183fc8a6441c90e2d8dd7ecd7cf9/FLAG8e083b66e [2023-11-24 23:07:05,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/data/514eebba2/33ec183fc8a6441c90e2d8dd7ecd7cf9 [2023-11-24 23:07:05,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:05,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:05,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:05,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:05,943 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:05,944 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:05" (1/1) ... [2023-11-24 23:07:05,945 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b32a5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:05, skipping insertion in model container [2023-11-24 23:07:05,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:05" (1/1) ... [2023-11-24 23:07:05,996 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:06,327 WARN L240 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_90868fc9-d1b6-4474-814f-e518fee0da49/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30869,30882] [2023-11-24 23:07:06,335 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:06,346 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:06,390 WARN L240 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_90868fc9-d1b6-4474-814f-e518fee0da49/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30869,30882] [2023-11-24 23:07:06,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:06,428 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:06,428 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:06,436 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:06,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06 WrapperNode [2023-11-24 23:07:06,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:06,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:06,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:06,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:06,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,459 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,484 INFO L138 Inliner]: procedures = 172, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 105 [2023-11-24 23:07:06,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:06,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:06,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:06,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:06,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,498 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,498 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,512 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,517 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:06,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:06,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:06,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:06,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:06,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:06,558 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:06,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:07:06,601 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 23:07:06,602 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 23:07:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:07:06,602 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:07:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:07:06,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:07:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:07:06,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:06,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:06,606 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 23:07:06,748 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:06,749 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:06,958 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:07,068 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:07,068 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:07:07,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:07 BoogieIcfgContainer [2023-11-24 23:07:07,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:07,072 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:07,072 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:07,089 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:07,089 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,090 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 23:07:07,094 INFO L158 Benchmark]: Toolchain (without parser) took 1157.18ms. Allocated memory is still 220.2MB. Free memory was 183.4MB in the beginning and 135.9MB in the end (delta: 47.5MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:07,095 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 97.5MB in the beginning and 97.4MB in the end (delta: 84.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:07,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.06ms. Allocated memory is still 220.2MB. Free memory was 182.7MB in the beginning and 162.4MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:07:07,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.87ms. Allocated memory is still 220.2MB. Free memory was 162.4MB in the beginning and 160.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:07,097 INFO L158 Benchmark]: Boogie Preprocessor took 31.89ms. Allocated memory is still 220.2MB. Free memory was 160.3MB in the beginning and 158.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:07,098 INFO L158 Benchmark]: RCFGBuilder took 553.00ms. Allocated memory is still 220.2MB. Free memory was 158.2MB in the beginning and 137.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:07:07,098 INFO L158 Benchmark]: CodeCheck took 20.81ms. Allocated memory is still 220.2MB. Free memory was 137.3MB in the beginning and 135.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:07,102 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 151.0MB. Free memory was 97.5MB in the beginning and 97.4MB in the end (delta: 84.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.06ms. Allocated memory is still 220.2MB. Free memory was 182.7MB in the beginning and 162.4MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.87ms. Allocated memory is still 220.2MB. Free memory was 162.4MB in the beginning and 160.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.89ms. Allocated memory is still 220.2MB. Free memory was 160.3MB in the beginning and 158.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.00ms. Allocated memory is still 220.2MB. Free memory was 158.2MB in the beginning and 137.3MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 20.81ms. Allocated memory is still 220.2MB. Free memory was 137.3MB in the beginning and 135.9MB in the end (delta: 1.4MB). 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 23:07:07,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/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_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/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_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --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 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:09,865 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:09,995 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:07:10,062 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:10,064 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:10,065 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:10,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:10,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:10,068 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:10,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:10,074 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:10,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:10,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:10,076 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:10,077 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:10,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:10,078 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:07:10,078 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:07:10,079 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:07:10,080 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:10,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:10,081 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:10,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:10,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:10,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:10,083 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:10,083 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:10,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:10,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:10,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:10,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:10,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:10,086 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:07:10,087 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:07:10,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:10,087 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:07:10,088 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:07:10,088 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_90868fc9-d1b6-4474-814f-e518fee0da49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5bf99dd5722e6551de991a345b21615b777cf7cef3d452afb8b79773fd45d3d8 [2023-11-24 23:07:10,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:10,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:10,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:10,509 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:10,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:10,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-11-24 23:07:13,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:14,059 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:14,064 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i [2023-11-24 23:07:14,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/data/4ae0b7c4f/c30a25e21146472a9186a8938c67e84a/FLAGf233eca02 [2023-11-24 23:07:14,104 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/data/4ae0b7c4f/c30a25e21146472a9186a8938c67e84a [2023-11-24 23:07:14,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:14,114 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:14,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:14,118 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:14,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:14,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:14,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4172cdb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14, skipping insertion in model container [2023-11-24 23:07:14,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:14,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:14,702 WARN L240 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_90868fc9-d1b6-4474-814f-e518fee0da49/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30869,30882] [2023-11-24 23:07:14,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:14,732 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:14,807 WARN L240 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_90868fc9-d1b6-4474-814f-e518fee0da49/sv-benchmarks/c/pthread-ext/36_stack_cas_p0_vs_concur.i[30869,30882] [2023-11-24 23:07:14,809 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:14,850 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:14,850 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:14,856 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:14,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14 WrapperNode [2023-11-24 23:07:14,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:14,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:14,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:14,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:14,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:14,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:14,936 INFO L138 Inliner]: procedures = 176, calls = 39, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 106 [2023-11-24 23:07:14,939 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:14,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:14,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:14,940 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:14,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:14,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:14,973 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:14,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:14,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:15,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:15,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:15,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:15,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:15,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:15,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:15,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:15,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:14" (1/1) ... [2023-11-24 23:07:15,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:15,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:15,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:15,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-24 23:07:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-24 23:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:15,115 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 23:07:15,269 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:15,271 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:15,532 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:15,706 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:15,707 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:07:15,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:15 BoogieIcfgContainer [2023-11-24 23:07:15,709 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:15,710 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:15,710 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:15,721 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:15,722 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:15" (1/1) ... [2023-11-24 23:07:15,723 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 23:07:15,729 INFO L158 Benchmark]: Toolchain (without parser) took 1615.03ms. Allocated memory is still 96.5MB. Free memory was 71.1MB in the beginning and 47.0MB in the end (delta: 24.2MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:15,730 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:15,731 INFO L158 Benchmark]: CACSL2BoogieTranslator took 739.29ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 49.5MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:07:15,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.49ms. Allocated memory is still 96.5MB. Free memory was 49.5MB in the beginning and 74.2MB in the end (delta: -24.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:15,734 INFO L158 Benchmark]: Boogie Preprocessor took 74.52ms. Allocated memory is still 96.5MB. Free memory was 74.2MB in the beginning and 72.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:15,735 INFO L158 Benchmark]: RCFGBuilder took 693.62ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 48.0MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:15,736 INFO L158 Benchmark]: CodeCheck took 17.98ms. Allocated memory is still 96.5MB. Free memory was 48.0MB in the beginning and 47.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:15,746 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 0.27ms. Allocated memory is still 69.2MB. Free memory was 44.9MB in the beginning and 44.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 739.29ms. Allocated memory is still 96.5MB. Free memory was 70.8MB in the beginning and 49.5MB in the end (delta: 21.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.49ms. Allocated memory is still 96.5MB. Free memory was 49.5MB in the beginning and 74.2MB in the end (delta: -24.7MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.52ms. Allocated memory is still 96.5MB. Free memory was 74.2MB in the beginning and 72.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 693.62ms. Allocated memory is still 96.5MB. Free memory was 72.0MB in the beginning and 48.0MB in the end (delta: 24.0MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 17.98ms. Allocated memory is still 96.5MB. Free memory was 48.0MB in the beginning and 47.0MB in the end (delta: 1.1MB). 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 23:07:15,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_90868fc9-d1b6-4474-814f-e518fee0da49/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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