./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV --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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:47,336 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:47,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:01:47,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:01:47,442 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:01:47,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:47,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:47,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:47,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:47,469 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:47,470 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:47,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:47,471 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:47,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:01:47,472 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:47,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:47,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:47,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:47,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:47,475 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:47,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:47,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:47,479 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:47,479 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:47,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:47,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:47,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:47,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:47,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:47,482 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:01:47,482 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:01:47,483 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:47,484 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_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2023-11-12 00:01:47,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:47,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:47,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:47,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:47,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:47,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-12 00:01:51,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:01:51,517 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:01:51,521 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-12 00:01:51,557 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/data/32b1e389a/0eb5f0e8d69b4b9e8e3d0b090b49f529/FLAG51991729a [2023-11-12 00:01:51,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/data/32b1e389a/0eb5f0e8d69b4b9e8e3d0b090b49f529 [2023-11-12 00:01:51,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:01:51,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:01:51,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:51,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:01:51,598 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:01:51,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:51" (1/1) ... [2023-11-12 00:01:51,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@682128b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:51, skipping insertion in model container [2023-11-12 00:01:51,604 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:01:51" (1/1) ... [2023-11-12 00:01:51,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:01:52,707 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-11-12 00:01:52,788 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-11-12 00:01:52,794 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-11-12 00:01:52,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:52,835 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:01:52,934 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-11-12 00:01:52,955 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-11-12 00:01:52,960 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-11-12 00:01:52,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:01:53,133 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:53,133 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:01:53,142 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:01:53,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53 WrapperNode [2023-11-12 00:01:53,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:01:53,145 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:53,145 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:01:53,145 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:01:53,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,331 INFO L138 Inliner]: procedures = 489, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 471 [2023-11-12 00:01:53,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:01:53,332 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:01:53,332 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:01:53,332 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:01:53,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,351 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,414 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:01:53,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:01:53,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:01:53,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:01:53,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:01:53" (1/1) ... [2023-11-12 00:01:53,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:53,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:01:53,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:01:53,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:01:53,557 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-11-12 00:01:53,558 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-11-12 00:01:53,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:01:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:01:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:01:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:01:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:01:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:01:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:01:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2023-11-12 00:01:53,561 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2023-11-12 00:01:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:01:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:01:53,563 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-12 00:01:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-12 00:01:53,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:01:53,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:01:53,564 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-12 00:01:53,564 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-12 00:01:53,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:01:53,565 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2023-11-12 00:01:53,565 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2023-11-12 00:01:53,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:01:53,565 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2023-11-12 00:01:53,566 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2023-11-12 00:01:53,568 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:01:54,012 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:01:54,014 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:01:54,942 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:01:55,000 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:01:55,001 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-12 00:01:55,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:55 BoogieIcfgContainer [2023-11-12 00:01:55,005 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:01:55,006 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:01:55,006 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:01:55,018 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:01:55,018 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:01:55" (1/1) ... [2023-11-12 00:01:55,019 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) [2023-11-12 00:01:55,025 INFO L158 Benchmark]: Toolchain (without parser) took 3436.22ms. Allocated memory is still 176.2MB. Free memory was 140.3MB in the beginning and 83.0MB in the end (delta: 57.2MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2023-11-12 00:01:55,026 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 123.7MB. Free memory was 97.2MB in the beginning and 97.2MB in the end (delta: 14.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:55,027 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1551.85ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 77.7MB in the end (delta: 61.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-12 00:01:55,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.94ms. Allocated memory is still 176.2MB. Free memory was 77.7MB in the beginning and 141.7MB in the end (delta: -63.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-12 00:01:55,029 INFO L158 Benchmark]: Boogie Preprocessor took 139.42ms. Allocated memory is still 176.2MB. Free memory was 141.7MB in the beginning and 136.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:01:55,030 INFO L158 Benchmark]: RCFGBuilder took 1532.37ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 84.1MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-12 00:01:55,030 INFO L158 Benchmark]: CodeCheck took 16.74ms. Allocated memory is still 176.2MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:01:55,042 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 0.25ms. Allocated memory is still 123.7MB. Free memory was 97.2MB in the beginning and 97.2MB in the end (delta: 14.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1551.85ms. Allocated memory is still 176.2MB. Free memory was 139.4MB in the beginning and 77.7MB in the end (delta: 61.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.94ms. Allocated memory is still 176.2MB. Free memory was 77.7MB in the beginning and 141.7MB in the end (delta: -63.9MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 139.42ms. Allocated memory is still 176.2MB. Free memory was 141.7MB in the beginning and 136.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1532.37ms. Allocated memory is still 176.2MB. Free memory was 136.5MB in the beginning and 84.1MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * CodeCheck took 16.74ms. Allocated memory is still 176.2MB. Free memory was 84.1MB in the beginning and 83.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:01:55,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV --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 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:01:57,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:01:58,083 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-12 00:01:58,136 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:01:58,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:01:58,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:01:58,139 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:01:58,140 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:01:58,141 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:01:58,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:01:58,147 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:01:58,147 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:01:58,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:01:58,149 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:01:58,150 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:01:58,150 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:01:58,151 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:01:58,151 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:01:58,152 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:01:58,153 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:01:58,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:01:58,154 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:01:58,155 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:01:58,155 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:01:58,156 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:01:58,156 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:58,157 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:58,157 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:01:58,158 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:01:58,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:01:58,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:01:58,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:01:58,161 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:01:58,161 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:01:58,161 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:01:58,162 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:01:58,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:01:58,162 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_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ef1ebb9985ad6dadbe7cf99c72a7d7cbd507bc2d179a6afec5353fae325d63f [2023-11-12 00:01:58,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:01:58,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:01:58,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:01:58,621 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:01:58,621 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:01:58,623 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-12 00:02:01,859 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:02,320 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:02,321 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i [2023-11-12 00:02:02,363 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/data/d9bdc2d39/a99227b80fec4b3da593fdd6af0a8d17/FLAG0e649b587 [2023-11-12 00:02:02,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/data/d9bdc2d39/a99227b80fec4b3da593fdd6af0a8d17 [2023-11-12 00:02:02,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:02,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:02,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:02,389 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:02,395 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:02,396 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:02" (1/1) ... [2023-11-12 00:02:02,398 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e7b598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:02, skipping insertion in model container [2023-11-12 00:02:02,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:02" (1/1) ... [2023-11-12 00:02:02,493 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:03,666 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-11-12 00:02:03,731 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-11-12 00:02:03,741 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-11-12 00:02:03,778 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:03,807 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:03,890 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-11-12 00:02:03,908 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-11-12 00:02:03,912 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_734d9d74-6350-48bc-abfa-13e01135a8f4/sv-benchmarks/c/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-11-12 00:02:03,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:04,120 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:04,120 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:04,130 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:04,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04 WrapperNode [2023-11-12 00:02:04,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:04,132 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:04,132 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:04,132 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:04,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,184 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,255 INFO L138 Inliner]: procedures = 493, calls = 127, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 389 [2023-11-12 00:02:04,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:04,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:04,259 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:04,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:04,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,310 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,355 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,372 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:04,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:04,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:04,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:04,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:04" (1/1) ... [2023-11-12 00:02:04,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:04,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:04,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:04,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:04,484 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-11-12 00:02:04,484 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-11-12 00:02:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:02:04,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:02:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:02:04,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:02:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:02:04,488 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:02:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:02:04,489 INFO L130 BoogieDeclarations]: Found specification of procedure writeV [2023-11-12 00:02:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure writeV [2023-11-12 00:02:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:04,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:02:04,490 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-12 00:02:04,491 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-12 00:02:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:02:04,491 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:02:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:02:04,492 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-12 00:02:04,492 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-12 00:02:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure Operation [2023-11-12 00:02:04,493 INFO L138 BoogieDeclarations]: Found implementation of procedure Operation [2023-11-12 00:02:04,493 INFO L130 BoogieDeclarations]: Found specification of procedure readV [2023-11-12 00:02:04,494 INFO L138 BoogieDeclarations]: Found implementation of procedure readV [2023-11-12 00:02:04,497 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:02:05,004 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:05,006 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:05,993 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:06,047 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:06,048 INFO L302 CfgBuilder]: Removed 9 assume(true) statements. [2023-11-12 00:02:06,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:06 BoogieIcfgContainer [2023-11-12 00:02:06,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:06,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:06,053 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:06,065 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:06,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:06" (1/1) ... [2023-11-12 00:02:06,066 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) [2023-11-12 00:02:06,074 INFO L158 Benchmark]: Toolchain (without parser) took 3686.19ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 56.1MB in the end (delta: 25.0MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2023-11-12 00:02:06,075 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:06,076 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1742.45ms. Allocated memory is still 109.1MB. Free memory was 80.8MB in the beginning and 43.7MB in the end (delta: 37.1MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-11-12 00:02:06,077 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.26ms. Allocated memory is still 109.1MB. Free memory was 43.7MB in the beginning and 38.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:02:06,078 INFO L158 Benchmark]: Boogie Preprocessor took 124.92ms. Allocated memory is still 109.1MB. Free memory was 38.6MB in the beginning and 74.5MB in the end (delta: -35.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2023-11-12 00:02:06,080 INFO L158 Benchmark]: RCFGBuilder took 1667.60ms. Allocated memory is still 109.1MB. Free memory was 74.5MB in the beginning and 56.9MB in the end (delta: 17.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-12 00:02:06,082 INFO L158 Benchmark]: CodeCheck took 19.16ms. Allocated memory is still 109.1MB. Free memory was 56.9MB in the beginning and 56.1MB in the end (delta: 733.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:06,097 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 0.30ms. Allocated memory is still 62.9MB. Free memory was 38.8MB in the beginning and 38.7MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1742.45ms. Allocated memory is still 109.1MB. Free memory was 80.8MB in the beginning and 43.7MB in the end (delta: 37.1MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.26ms. Allocated memory is still 109.1MB. Free memory was 43.7MB in the beginning and 38.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 124.92ms. Allocated memory is still 109.1MB. Free memory was 38.6MB in the beginning and 74.5MB in the end (delta: -35.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * RCFGBuilder took 1667.60ms. Allocated memory is still 109.1MB. Free memory was 74.5MB in the beginning and 56.9MB in the end (delta: 17.6MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * CodeCheck took 19.16ms. Allocated memory is still 109.1MB. Free memory was 56.9MB in the beginning and 56.1MB in the end (delta: 733.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:02:06,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_734d9d74-6350-48bc-abfa-13e01135a8f4/bin/ukojak-verify-0OAaufAVZV/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