./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:52:26,485 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:52:26,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:52:26,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:52:26,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:52:26,584 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:52:26,585 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:52:26,586 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:52:26,587 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:52:26,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:52:26,588 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:52:26,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:52:26,589 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:52:26,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:52:26,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:52:26,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:52:26,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:52:26,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:52:26,592 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:52:26,593 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:52:26,593 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:52:26,594 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:52:26,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:52:26,595 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:52:26,596 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:52:26,596 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:52:26,597 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:52:26,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:52:26,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:52:26,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:52:26,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:52:26,599 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:52:26,599 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:52:26,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:52:26,600 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:52:26,600 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_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a [2023-12-02 22:52:26,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:52:26,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:52:26,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:52:26,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:52:26,837 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:52:26,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix038.opt.i [2023-12-02 22:52:29,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:52:29,939 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:52:29,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/sv-benchmarks/c/pthread-wmm/mix038.opt.i [2023-12-02 22:52:29,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/data/a7b723ca9/4f25da78906c42ba92a2d53078dc3be8/FLAG079ce9c28 [2023-12-02 22:52:29,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/data/a7b723ca9/4f25da78906c42ba92a2d53078dc3be8 [2023-12-02 22:52:29,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:52:29,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:52:29,976 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:52:29,976 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:52:29,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:52:29,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:52:29" (1/1) ... [2023-12-02 22:52:29,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c92b8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:29, skipping insertion in model container [2023-12-02 22:52:29,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:52:29" (1/1) ... [2023-12-02 22:52:30,031 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:52:30,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:52:30,354 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:52:30,416 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:52:30,448 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:52:30,448 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:52:30,454 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:52:30,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30 WrapperNode [2023-12-02 22:52:30,455 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:52:30,456 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:52:30,456 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:52:30,457 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:52:30,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,527 INFO L138 Inliner]: procedures = 176, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2023-12-02 22:52:30,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:52:30,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:52:30,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:52:30,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:52:30,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,543 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:52:30,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:52:30,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:52:30,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:52:30,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:30" (1/1) ... [2023-12-02 22:52:30,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:52:30,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:52:30,593 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:52:30,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:52:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:52:30,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:52:30,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:52:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:52:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:52:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:52:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:52:30,631 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 22:52:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 22:52:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 22:52:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 22:52:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 22:52:30,632 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 22:52:30,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:52:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:52:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:52:30,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:52:30,635 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:52:30,785 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:52:30,787 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:52:31,087 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:52:31,221 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-02 22:52:31,225 INFO L158 Benchmark]: Toolchain (without parser) took 1249.68ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 96.3MB in the beginning and 191.8MB in the end (delta: -95.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-12-02 22:52:31,226 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:52:31,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 479.63ms. Allocated memory is still 144.7MB. Free memory was 96.0MB in the beginning and 73.2MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:52:31,228 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.73ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 73.2MB in the beginning and 221.0MB in the end (delta: -147.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-12-02 22:52:31,228 INFO L158 Benchmark]: Boogie Preprocessor took 30.24ms. Allocated memory is still 251.7MB. Free memory was 220.9MB in the beginning and 219.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:52:31,229 INFO L158 Benchmark]: RCFGBuilder took 664.04ms. Allocated memory is still 251.7MB. Free memory was 219.0MB in the beginning and 191.8MB in the end (delta: 27.2MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. [2023-12-02 22:52:31,232 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 144.7MB. Free memory is still 85.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 479.63ms. Allocated memory is still 144.7MB. Free memory was 96.0MB in the beginning and 73.2MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.73ms. Allocated memory was 144.7MB in the beginning and 251.7MB in the end (delta: 107.0MB). Free memory was 73.2MB in the beginning and 221.0MB in the end (delta: -147.8MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.24ms. Allocated memory is still 251.7MB. Free memory was 220.9MB in the beginning and 219.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 664.04ms. Allocated memory is still 251.7MB. Free memory was 219.0MB in the beginning and 191.8MB in the end (delta: 27.2MB). Peak memory consumption was 29.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:52:31,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/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_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix038.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:52:33,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:52:33,330 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:52:33,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:52:33,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:52:33,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:52:33,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:52:33,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:52:33,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:52:33,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:52:33,368 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:52:33,368 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:52:33,369 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:52:33,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:52:33,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:52:33,371 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:52:33,371 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:52:33,372 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:52:33,373 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:52:33,373 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:52:33,374 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:52:33,375 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:52:33,375 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:52:33,376 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:52:33,377 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:52:33,377 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:52:33,378 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:52:33,378 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:33,379 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:52:33,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:52:33,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:52:33,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:52:33,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:52:33,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:52:33,381 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:52:33,382 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:52:33,382 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:52:33,382 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:52:33,382 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:52:33,383 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_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8aba011b4454b6464ed30c6424ccbb7bc43e89a3e2bf826373810de7cb8fe97a [2023-12-02 22:52:33,717 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:52:33,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:52:33,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:52:33,743 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:52:33,743 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:52:33,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix038.opt.i [2023-12-02 22:52:36,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:52:36,967 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:52:36,968 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/sv-benchmarks/c/pthread-wmm/mix038.opt.i [2023-12-02 22:52:36,986 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/data/50ec652f9/5169756675474cbca5f6dc7c089a7b8a/FLAG5433bde52 [2023-12-02 22:52:37,002 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/data/50ec652f9/5169756675474cbca5f6dc7c089a7b8a [2023-12-02 22:52:37,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:52:37,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:52:37,008 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:52:37,008 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:52:37,014 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:52:37,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325dd169 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37, skipping insertion in model container [2023-12-02 22:52:37,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,084 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:52:37,491 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:52:37,509 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:52:37,578 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:52:37,619 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:52:37,619 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:52:37,627 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:52:37,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37 WrapperNode [2023-12-02 22:52:37,628 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:52:37,629 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:52:37,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:52:37,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:52:37,638 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,684 INFO L138 Inliner]: procedures = 179, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2023-12-02 22:52:37,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:52:37,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:52:37,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:52:37,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:52:37,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,717 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,723 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,728 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:52:37,730 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:52:37,730 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:52:37,730 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:52:37,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:52:37" (1/1) ... [2023-12-02 22:52:37,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:52:37,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:52:37,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:52:37,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:52:37,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 22:52:37,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 22:52:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:52:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:52:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:52:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:52:37,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:52:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:52:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-02 22:52:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-02 22:52:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-02 22:52:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-02 22:52:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-02 22:52:37,808 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-02 22:52:37,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:52:37,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:52:37,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:52:37,810 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:52:37,963 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:52:37,966 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:52:38,302 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:52:38,409 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-02 22:52:38,414 INFO L158 Benchmark]: Toolchain (without parser) took 1407.11ms. Allocated memory is still 88.1MB. Free memory was 62.7MB in the beginning and 44.3MB in the end (delta: 18.4MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2023-12-02 22:52:38,415 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:52:38,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 620.27ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 58.3MB in the end (delta: 4.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-12-02 22:52:38,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.96ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 56.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:52:38,417 INFO L158 Benchmark]: Boogie Preprocessor took 43.07ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 53.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:52:38,418 INFO L158 Benchmark]: RCFGBuilder took 683.08ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 44.3MB in the end (delta: 9.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. [2023-12-02 22:52:38,421 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 58.7MB. Free memory is still 34.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 620.27ms. Allocated memory is still 88.1MB. Free memory was 62.5MB in the beginning and 58.3MB in the end (delta: 4.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.96ms. Allocated memory is still 88.1MB. Free memory was 58.3MB in the beginning and 56.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.07ms. Allocated memory is still 88.1MB. Free memory was 56.1MB in the beginning and 53.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 683.08ms. Allocated memory is still 88.1MB. Free memory was 53.7MB in the beginning and 44.3MB in the end (delta: 9.3MB). Peak memory consumption was 19.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:52:38,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_825a5ddd-ae98-4a2e-8598-1cf7eace7497/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 1bv32;~y$w_buff1_used~0 := ~y$w_buff0_used~0;~y$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?