./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix019.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix019.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC --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 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:22,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:23,049 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:09:23,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:23,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:23,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:23,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:23,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:23,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:23,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:23,107 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:23,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:23,108 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:23,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:23,110 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:23,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:23,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:23,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:23,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:23,112 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:23,112 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:23,112 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:23,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:23,114 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:23,115 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:23,116 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:23,116 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:23,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:23,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:23,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:23,119 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:23,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:23,119 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:23,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:23,120 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:23,120 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_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1 [2023-11-23 20:09:23,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:23,431 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:23,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:23,436 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:23,436 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:23,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix019.opt.i [2023-11-23 20:09:26,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:26,917 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:26,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/sv-benchmarks/c/pthread-wmm/mix019.opt.i [2023-11-23 20:09:26,948 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/data/d6e827752/2d9a8cedfbdb4fc7809914bae865f76b/FLAG6bee3bf67 [2023-11-23 20:09:26,964 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/data/d6e827752/2d9a8cedfbdb4fc7809914bae865f76b [2023-11-23 20:09:26,967 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:26,968 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:26,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:26,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:26,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:26,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:26" (1/1) ... [2023-11-23 20:09:26,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75dbe5d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:26, skipping insertion in model container [2023-11-23 20:09:26,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:26" (1/1) ... [2023-11-23 20:09:27,040 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:27,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:27,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:27,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:27,751 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:27,751 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:27,760 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:27,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27 WrapperNode [2023-11-23 20:09:27,760 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:27,761 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:27,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:27,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:27,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,818 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2023-11-23 20:09:27,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:27,819 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:27,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:27,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:27,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,840 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,853 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:27,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:27,867 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:27,867 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:27,868 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:27" (1/1) ... [2023-11-23 20:09:27,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:27,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:27,903 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:27,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:09:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:09:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:09:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:09:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:09:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:09:27,967 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:09:27,967 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:09:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:09:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:09:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:09:27,968 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:09:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:09:27,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:09:27,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:27,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:27,970 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:09:28,120 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:28,123 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:28,498 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:28,773 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) [2023-11-23 20:09:28,777 INFO L158 Benchmark]: Toolchain (without parser) took 1808.12ms. Allocated memory is still 144.7MB. Free memory was 99.7MB in the beginning and 99.4MB in the end (delta: 311.9kB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2023-11-23 20:09:28,778 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:28,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 790.63ms. Allocated memory is still 144.7MB. Free memory was 99.6MB in the beginning and 75.3MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:09:28,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.53ms. Allocated memory is still 144.7MB. Free memory was 75.3MB in the beginning and 73.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:28,780 INFO L158 Benchmark]: Boogie Preprocessor took 46.42ms. Allocated memory is still 144.7MB. Free memory was 73.0MB in the beginning and 71.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:28,781 INFO L158 Benchmark]: RCFGBuilder took 908.83ms. Allocated memory is still 144.7MB. Free memory was 71.0MB in the beginning and 99.4MB in the end (delta: -28.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-11-23 20:09:28,785 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 144.7MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 790.63ms. Allocated memory is still 144.7MB. Free memory was 99.6MB in the beginning and 75.3MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.53ms. Allocated memory is still 144.7MB. Free memory was 75.3MB in the beginning and 73.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.42ms. Allocated memory is still 144.7MB. Free memory was 73.0MB in the beginning and 71.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 908.83ms. Allocated memory is still 144.7MB. Free memory was 71.0MB in the beginning and 99.4MB in the end (delta: -28.5MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$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. [2023-11-23 20:09:28,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix019.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC --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 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:31,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:31,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:09:31,821 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:31,822 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:31,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:31,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:31,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:31,826 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:31,826 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:31,827 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:31,827 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:31,827 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:31,828 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:31,828 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:31,829 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:31,829 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:09:31,830 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:09:31,830 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:31,831 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:09:31,831 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:31,832 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:31,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:31,833 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:31,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:31,834 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:31,834 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:31,835 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:31,835 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:09:31,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:31,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:31,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:31,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:31,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:31,838 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:09:31,839 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:09:31,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:31,839 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:09:31,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:09:31,840 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_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67b3041d4ade18f863c3144705a5a5c36c735377f16a3c3ca7c2065b436994d1 [2023-11-23 20:09:32,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:32,308 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:32,310 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:32,312 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:32,312 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:32,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/mix019.opt.i [2023-11-23 20:09:35,474 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:09:35,786 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:09:35,795 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/sv-benchmarks/c/pthread-wmm/mix019.opt.i [2023-11-23 20:09:35,824 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/data/9ea4f6054/63e4d10e35964ffa85876b9474822c54/FLAG3fd66d9bf [2023-11-23 20:09:35,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/data/9ea4f6054/63e4d10e35964ffa85876b9474822c54 [2023-11-23 20:09:35,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:09:35,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:09:35,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:35,859 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:09:35,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:09:35,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:35" (1/1) ... [2023-11-23 20:09:35,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107d3779 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:35, skipping insertion in model container [2023-11-23 20:09:35,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:35" (1/1) ... [2023-11-23 20:09:35,951 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:09:36,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:36,662 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:09:36,746 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:09:36,788 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:36,789 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:09:36,797 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:09:36,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36 WrapperNode [2023-11-23 20:09:36,798 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:09:36,799 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:36,800 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:09:36,800 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:09:36,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,875 INFO L138 Inliner]: procedures = 179, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2023-11-23 20:09:36,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:09:36,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:09:36,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:09:36,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:09:36,890 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,911 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,915 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,924 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:09:36,925 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:09:36,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:09:36,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:09:36,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:36" (1/1) ... [2023-11-23 20:09:36,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:36,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:09:36,963 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:09:37,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:09:37,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:09:37,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:09:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:09:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:09:37,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:09:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:09:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:09:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:09:37,034 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:09:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:09:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:09:37,035 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:09:37,035 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-23 20:09:37,036 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-23 20:09:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:09:37,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:09:37,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:09:37,040 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:09:37,295 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:09:37,298 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:09:37,872 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:09:38,082 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) [2023-11-23 20:09:38,086 INFO L158 Benchmark]: Toolchain (without parser) took 2228.24ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 47.9MB in the beginning and 61.7MB in the end (delta: -13.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-23 20:09:38,087 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:09:38,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 939.53ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 39.7MB in the end (delta: 7.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:09:38,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.92ms. Allocated memory is still 73.4MB. Free memory was 39.7MB in the beginning and 37.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:38,089 INFO L158 Benchmark]: Boogie Preprocessor took 45.00ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 34.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:09:38,090 INFO L158 Benchmark]: RCFGBuilder took 1159.57ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 34.8MB in the beginning and 61.7MB in the end (delta: -26.9MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-23 20:09:38,093 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory was 48.8MB in the beginning and 48.7MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 939.53ms. Allocated memory is still 73.4MB. Free memory was 47.6MB in the beginning and 39.7MB in the end (delta: 7.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.92ms. Allocated memory is still 73.4MB. Free memory was 39.7MB in the beginning and 37.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.00ms. Allocated memory is still 73.4MB. Free memory was 37.4MB in the beginning and 34.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1159.57ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 34.8MB in the beginning and 61.7MB in the end (delta: -26.9MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$w_buff1~0 := ~y$w_buff0~0;~y$w_buff0~0 := 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$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:09:38,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_354d328a-1185-49e4-bd58-3ecff9e66396/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~y$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?