./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix032.oepc.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_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix032.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi --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 f271a38be9caac1825a663eb11850ec78cc50bf41fe675769961ef9ec85f6a9e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:21,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:22,054 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:55:22,062 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:22,063 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:22,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:22,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:22,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:22,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:22,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:22,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:22,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:22,113 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:22,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:22,116 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:22,116 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:22,116 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:22,117 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:22,117 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:22,118 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:22,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:22,119 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:22,119 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:22,120 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:22,121 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:22,121 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:22,122 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:22,122 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:22,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:22,123 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:22,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:22,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:22,125 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:22,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:22,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:22,126 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_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f271a38be9caac1825a663eb11850ec78cc50bf41fe675769961ef9ec85f6a9e [2023-11-24 22:55:22,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:22,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:22,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:22,404 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:22,404 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:22,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-wmm/mix032.oepc.i [2023-11-24 22:55:25,685 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:26,003 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:26,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/sv-benchmarks/c/pthread-wmm/mix032.oepc.i [2023-11-24 22:55:26,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/data/9b6dab8f4/90d521c2876e4ed0bbe44f00c3bddabb/FLAGbe1c306b5 [2023-11-24 22:55:26,049 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/data/9b6dab8f4/90d521c2876e4ed0bbe44f00c3bddabb [2023-11-24 22:55:26,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:26,053 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:26,055 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:26,055 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:26,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:26,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,063 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1238daa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26, skipping insertion in model container [2023-11-24 22:55:26,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,119 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:26,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:26,612 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:26,710 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:26,751 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:26,752 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:26,760 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:26,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26 WrapperNode [2023-11-24 22:55:26,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:26,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:26,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:26,766 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:26,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,794 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,823 INFO L138 Inliner]: procedures = 176, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 101 [2023-11-24 22:55:26,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:26,825 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:26,825 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:26,825 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:26,835 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,863 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,866 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,869 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,871 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,876 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:26,877 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:26,877 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:26,877 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:26,878 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:26" (1/1) ... [2023-11-24 22:55:26,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:26,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:26,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:26,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:55:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:55:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:55:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-24 22:55:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-24 22:55:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-24 22:55:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-24 22:55:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-24 22:55:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-24 22:55:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:55:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:26,967 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:55:27,217 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:27,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:27,702 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:27,876 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: ~b$w_buff1~0 := ~b$w_buff0~0;~b$w_buff0~0 := 1;~b$w_buff1_used~0 := ~b$w_buff0_used~0;~b$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-24 22:55:27,881 INFO L158 Benchmark]: Toolchain (without parser) took 1827.20ms. Allocated memory is still 151.0MB. Free memory was 103.6MB in the beginning and 92.3MB in the end (delta: 11.2MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:27,882 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:27,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 706.70ms. Allocated memory is still 151.0MB. Free memory was 103.0MB in the beginning and 79.3MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:27,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.34ms. Allocated memory is still 151.0MB. Free memory was 79.3MB in the beginning and 77.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:27,884 INFO L158 Benchmark]: Boogie Preprocessor took 51.33ms. Allocated memory is still 151.0MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:27,885 INFO L158 Benchmark]: RCFGBuilder took 1002.46ms. Allocated memory is still 151.0MB. Free memory was 75.1MB in the beginning and 92.3MB in the end (delta: -17.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:27,888 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 706.70ms. Allocated memory is still 151.0MB. Free memory was 103.0MB in the beginning and 79.3MB in the end (delta: 23.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.34ms. Allocated memory is still 151.0MB. Free memory was 79.3MB in the beginning and 77.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.33ms. Allocated memory is still 151.0MB. Free memory was 77.2MB in the beginning and 75.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.46ms. Allocated memory is still 151.0MB. Free memory was 75.1MB in the beginning and 92.3MB in the end (delta: -17.2MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~b$w_buff1~0 := ~b$w_buff0~0;~b$w_buff0~0 := 1;~b$w_buff1_used~0 := ~b$w_buff0_used~0;~b$w_buff0_used~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~b$w_buff1~0 := ~b$w_buff0~0;~b$w_buff0~0 := 1;~b$w_buff1_used~0 := ~b$w_buff0_used~0;~b$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. [2023-11-24 22:55:27,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix032.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi --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 f271a38be9caac1825a663eb11850ec78cc50bf41fe675769961ef9ec85f6a9e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:30,567 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:30,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:55:30,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:30,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:30,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:30,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:30,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:30,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:30,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:30,764 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:30,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:30,765 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:30,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:30,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:30,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:30,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:55:30,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:55:30,770 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:30,771 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:55:30,771 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:30,772 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:30,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:30,773 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:30,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:30,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:30,774 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:30,774 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:30,775 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:30,775 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:30,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:30,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:30,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:30,778 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:30,778 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:55:30,778 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:30,779 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:30,779 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:55:30,779 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:30,780 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_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f271a38be9caac1825a663eb11850ec78cc50bf41fe675769961ef9ec85f6a9e [2023-11-24 22:55:31,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:31,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:31,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:31,242 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:31,243 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:31,244 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-wmm/mix032.oepc.i [2023-11-24 22:55:34,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:34,924 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:34,931 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/sv-benchmarks/c/pthread-wmm/mix032.oepc.i [2023-11-24 22:55:34,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/data/b9e943b89/b890f5dc3cd14d94818088a080dfce3f/FLAG2381ee65a [2023-11-24 22:55:34,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/data/b9e943b89/b890f5dc3cd14d94818088a080dfce3f [2023-11-24 22:55:34,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:34,980 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:34,981 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:34,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:34,986 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:34,987 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:34,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ee232 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:34, skipping insertion in model container [2023-11-24 22:55:34,987 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:34" (1/1) ... [2023-11-24 22:55:35,044 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:35,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:35,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:35,701 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:35,755 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:35,756 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:35,764 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:35,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35 WrapperNode [2023-11-24 22:55:35,765 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:35,766 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:35,766 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:35,767 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:35,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,831 INFO L138 Inliner]: procedures = 179, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 102 [2023-11-24 22:55:35,832 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:35,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:35,833 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:35,833 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:35,843 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,870 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,875 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,889 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:35,890 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:35,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:35,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:35,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:35" (1/1) ... [2023-11-24 22:55:35,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:35,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:35,939 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:35,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:35,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:55:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:55:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:55:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:35,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:55:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:55:35,976 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-24 22:55:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-24 22:55:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-24 22:55:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-24 22:55:35,977 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-24 22:55:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-24 22:55:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:55:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:35,982 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:55:36,223 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:36,227 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:36,720 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:36,919 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: ~b$w_buff1~0 := ~b$w_buff0~0;~b$w_buff0~0 := 1bv32;~b$w_buff1_used~0 := ~b$w_buff0_used~0;~b$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$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) [2023-11-24 22:55:36,927 INFO L158 Benchmark]: Toolchain (without parser) took 1945.52ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 35.2MB in the beginning and 56.1MB in the end (delta: -20.9MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2023-11-24 22:55:36,928 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:36,929 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.10ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 34.9MB in the beginning and 55.5MB in the end (delta: -20.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:36,930 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.85ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:36,931 INFO L158 Benchmark]: Boogie Preprocessor took 56.96ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 50.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:36,932 INFO L158 Benchmark]: RCFGBuilder took 1034.16ms. Allocated memory is still 92.3MB. Free memory was 50.5MB in the beginning and 56.1MB in the end (delta: -5.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:36,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 60.8MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 75.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.10ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 34.9MB in the beginning and 55.5MB in the end (delta: -20.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.85ms. Allocated memory is still 92.3MB. Free memory was 55.5MB in the beginning and 52.9MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.96ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 50.5MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1034.16ms. Allocated memory is still 92.3MB. Free memory was 50.5MB in the beginning and 56.1MB in the end (delta: -5.6MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~b$w_buff1~0 := ~b$w_buff0~0;~b$w_buff0~0 := 1bv32;~b$w_buff1_used~0 := ~b$w_buff0_used~0;~b$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~b$w_buff1~0 := ~b$w_buff0~0;~b$w_buff0~0 := 1bv32;~b$w_buff1_used~0 := ~b$w_buff0_used~0;~b$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:55:36,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e64b4737-d426-401b-88d8-6ffbb9e50388/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ~b$w_buff1~0 := ~b$w_buff0~0;~b$w_buff0~0 := 1bv32;~b$w_buff1_used~0 := ~b$w_buff0_used~0;~b$w_buff0_used~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?