./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix032.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_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/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_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix032.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/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_13efb8d7-ad81-4721-a2ec-913459c6cb2b/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 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:03:40,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:03:40,794 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-03 04:03:40,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:03:40,799 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:03:40,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:03:40,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:03:40,826 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:03:40,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:03:40,828 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:03:40,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:03:40,829 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:03:40,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:03:40,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:03:40,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:03:40,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:03:40,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:03:40,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:03:40,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:03:40,833 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:03:40,833 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:03:40,834 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:03:40,834 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:03:40,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:03:40,835 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:03:40,835 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:03:40,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:03:40,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:03:40,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:03:40,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:03:40,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:03:40,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:03:40,838 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:03:40,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:03:40,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:03:40,839 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_13efb8d7-ad81-4721-a2ec-913459c6cb2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb [2023-12-03 04:03:41,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:03:41,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:03:41,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:03:41,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:03:41,089 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:03:41,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix032.opt.i [2023-12-03 04:03:43,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:03:44,135 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:03:44,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/sv-benchmarks/c/pthread-wmm/mix032.opt.i [2023-12-03 04:03:44,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/data/1a9c77073/dd5ccf201a20475dba5d1bebb00fee1e/FLAG825886c61 [2023-12-03 04:03:44,167 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/data/1a9c77073/dd5ccf201a20475dba5d1bebb00fee1e [2023-12-03 04:03:44,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:03:44,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:03:44,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:03:44,173 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:03:44,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:03:44,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,181 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1375d0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44, skipping insertion in model container [2023-12-03 04:03:44,181 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,249 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:03:44,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:03:44,601 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:03:44,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:03:44,687 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:03:44,687 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:03:44,695 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:03:44,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44 WrapperNode [2023-12-03 04:03:44,696 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:03:44,697 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:03:44,697 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:03:44,697 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:03:44,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,720 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,746 INFO L138 Inliner]: procedures = 176, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2023-12-03 04:03:44,746 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:03:44,747 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:03:44,747 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:03:44,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:03:44,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:03:44,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:03:44,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:03:44,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:03:44,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:44" (1/1) ... [2023-12-03 04:03:44,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:03:44,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:03:44,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:03:44,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:03:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:03:44,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:03:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 04:03:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:03:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:03:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:03:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:03:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 04:03:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 04:03:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 04:03:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 04:03:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 04:03:44,849 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 04:03:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:03:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:03:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:03:44,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:03:44,851 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 04:03:44,979 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:03:44,981 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:03:45,305 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:03:45,428 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: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-03 04:03:45,433 INFO L158 Benchmark]: Toolchain (without parser) took 1261.28ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 102.7MB in the beginning and 132.9MB in the end (delta: -30.2MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-12-03 04:03:45,434 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:03:45,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 523.42ms. Allocated memory is still 148.9MB. Free memory was 102.3MB in the beginning and 79.5MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-03 04:03:45,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.41ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 77.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:03:45,436 INFO L158 Benchmark]: Boogie Preprocessor took 34.65ms. Allocated memory is still 148.9MB. Free memory was 77.1MB in the beginning and 75.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:03:45,437 INFO L158 Benchmark]: RCFGBuilder took 649.35ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 75.4MB in the beginning and 132.9MB in the end (delta: -57.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-12-03 04:03:45,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 98.6MB. Free memory is still 51.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 523.42ms. Allocated memory is still 148.9MB. Free memory was 102.3MB in the beginning and 79.5MB in the end (delta: 22.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.41ms. Allocated memory is still 148.9MB. Free memory was 79.5MB in the beginning and 77.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.65ms. Allocated memory is still 148.9MB. Free memory was 77.1MB in the beginning and 75.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 649.35ms. Allocated memory was 148.9MB in the beginning and 184.5MB in the end (delta: 35.7MB). Free memory was 75.4MB in the beginning and 132.9MB in the end (delta: -57.5MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$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. [2023-12-03 04:03:45,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/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_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/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_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix032.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/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_13efb8d7-ad81-4721-a2ec-913459c6cb2b/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 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:03:47,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:03:47,495 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-03 04:03:47,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:03:47,535 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:03:47,535 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:03:47,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:03:47,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:03:47,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:03:47,538 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:03:47,539 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:03:47,539 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:03:47,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:03:47,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:03:47,541 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:03:47,541 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:03:47,542 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:03:47,542 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:03:47,543 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:03:47,543 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:03:47,544 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:03:47,549 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:03:47,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:03:47,550 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:03:47,550 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:03:47,551 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:03:47,551 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:03:47,551 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:47,552 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:03:47,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:03:47,553 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:03:47,553 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:03:47,553 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:03:47,554 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:03:47,554 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:03:47,554 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:03:47,554 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:03:47,554 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:03:47,555 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:03:47,555 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_13efb8d7-ad81-4721-a2ec-913459c6cb2b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0032fd1b0879d5a3b3f4ef67d0327f489d9a349f94447e8a77b1324c1477f2bb [2023-12-03 04:03:47,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:03:47,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:03:47,859 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:03:47,860 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:03:47,860 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:03:47,861 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-wmm/mix032.opt.i [2023-12-03 04:03:50,643 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:03:50,911 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:03:50,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/sv-benchmarks/c/pthread-wmm/mix032.opt.i [2023-12-03 04:03:50,929 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/data/b01c56f82/33e5a12862de4bebb945e979ac3b5f83/FLAGa3de126cb [2023-12-03 04:03:50,944 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/data/b01c56f82/33e5a12862de4bebb945e979ac3b5f83 [2023-12-03 04:03:50,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:03:50,948 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:03:50,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:03:50,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:03:50,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:03:50,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:50" (1/1) ... [2023-12-03 04:03:50,957 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fe76138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:50, skipping insertion in model container [2023-12-03 04:03:50,957 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:03:50" (1/1) ... [2023-12-03 04:03:51,009 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:03:51,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:03:51,351 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:03:51,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:03:51,462 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:03:51,463 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:03:51,471 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:03:51,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51 WrapperNode [2023-12-03 04:03:51,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:03:51,472 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:03:51,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:03:51,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:03:51,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,524 INFO L138 Inliner]: procedures = 179, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2023-12-03 04:03:51,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:03:51,525 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:03:51,525 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:03:51,525 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:03:51,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,540 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,554 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:03:51,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:03:51,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:03:51,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:03:51,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:03:51" (1/1) ... [2023-12-03 04:03:51,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:03:51,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:03:51,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:03:51,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:03:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 04:03:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 04:03:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-03 04:03:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:03:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:03:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:03:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:03:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:03:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-12-03 04:03:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-12-03 04:03:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-12-03 04:03:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-12-03 04:03:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-12-03 04:03:51,648 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-12-03 04:03:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-03 04:03:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:03:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:03:51,650 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-03 04:03:51,820 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:03:51,822 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:03:52,125 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:03:52,250 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: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-12-03 04:03:52,254 INFO L158 Benchmark]: Toolchain (without parser) took 1304.75ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 49.0MB in the beginning and 55.8MB in the end (delta: -6.8MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2023-12-03 04:03:52,254 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:03:52,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.86ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.7MB in the beginning and 69.2MB in the end (delta: -20.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2023-12-03 04:03:52,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.26ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 66.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:03:52,256 INFO L158 Benchmark]: Boogie Preprocessor took 42.01ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 64.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:03:52,257 INFO L158 Benchmark]: RCFGBuilder took 684.38ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 55.8MB in the end (delta: 8.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-12-03 04:03:52,260 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory is still 50.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 521.86ms. Allocated memory was 73.4MB in the beginning and 96.5MB in the end (delta: 23.1MB). Free memory was 48.7MB in the beginning and 69.2MB in the end (delta: -20.5MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.26ms. Allocated memory is still 96.5MB. Free memory was 69.2MB in the beginning and 66.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.01ms. Allocated memory is still 96.5MB. Free memory was 66.6MB in the beginning and 64.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 684.38ms. Allocated memory is still 96.5MB. Free memory was 64.5MB in the beginning and 55.8MB in the end (delta: 8.8MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-03 04:03:52,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13efb8d7-ad81-4721-a2ec-913459c6cb2b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~z$w_buff1~0 := ~z$w_buff0~0;~z$w_buff0~0 := 1bv32;~z$w_buff1_used~0 := ~z$w_buff0_used~0;~z$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?