./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:50,374 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:50,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:23:50,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:50,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:50,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:50,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:50,508 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:50,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:50,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:50,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:50,511 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:50,511 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:50,512 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:50,512 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:50,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:50,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:50,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:50,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:50,515 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:50,515 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:50,516 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:50,517 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:50,517 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:50,517 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:50,518 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:50,518 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:50,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:50,519 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:50,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:50,520 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:50,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:50,521 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:50,521 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_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2023-11-19 03:23:50,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:50,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:50,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:50,779 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:50,780 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:50,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-11-19 03:23:53,802 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:23:54,095 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:23:54,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-11-19 03:23:54,116 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/data/79bef7950/54c6c3d02cf94a868f0f5b1b285109d8/FLAG44ff22314 [2023-11-19 03:23:54,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/data/79bef7950/54c6c3d02cf94a868f0f5b1b285109d8 [2023-11-19 03:23:54,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:23:54,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:23:54,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:54,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:23:54,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:23:54,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4867e5ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54, skipping insertion in model container [2023-11-19 03:23:54,145 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:23:54,420 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2023-11-19 03:23:54,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:54,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:23:54,704 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2023-11-19 03:23:54,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:23:54,805 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:54,805 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:23:54,813 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:23:54,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54 WrapperNode [2023-11-19 03:23:54,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:23:54,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:54,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:23:54,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:23:54,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,871 INFO L138 Inliner]: procedures = 177, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2023-11-19 03:23:54,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:23:54,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:23:54,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:23:54,873 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:23:54,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,901 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,917 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:23:54,918 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:23:54,918 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:23:54,918 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:23:54,919 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:23:54" (1/1) ... [2023-11-19 03:23:54,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:54,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:23:54,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:23:54,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:23:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:23:55,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:23:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:23:55,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:23:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:23:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:23:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:23:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:23:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:23:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:23:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:23:55,019 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:23:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:23:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:23:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:23:55,020 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:23:55,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:23:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:23:55,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:23:55,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:23:55,024 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:23:55,224 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:23:55,226 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:23:55,790 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:23:56,186 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:23:56,186 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:23:56,188 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:23:56,218 INFO L158 Benchmark]: Toolchain (without parser) took 2082.33ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 115.1MB in the end (delta: -9.0MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2023-11-19 03:23:56,219 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:23:56,220 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.53ms. Allocated memory is still 146.8MB. Free memory was 105.8MB in the beginning and 81.2MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:23:56,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.57ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 78.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:56,221 INFO L158 Benchmark]: Boogie Preprocessor took 44.87ms. Allocated memory is still 146.8MB. Free memory was 78.7MB in the beginning and 76.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:23:56,222 INFO L158 Benchmark]: RCFGBuilder took 1298.86ms. Allocated memory is still 146.8MB. Free memory was 76.4MB in the beginning and 115.1MB in the end (delta: -38.7MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-11-19 03:23:56,225 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.53ms. Allocated memory is still 146.8MB. Free memory was 105.8MB in the beginning and 81.2MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.57ms. Allocated memory is still 146.8MB. Free memory was 81.2MB in the beginning and 78.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.87ms. Allocated memory is still 146.8MB. Free memory was 78.7MB in the beginning and 76.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1298.86ms. Allocated memory is still 146.8MB. Free memory was 76.4MB in the beginning and 115.1MB in the end (delta: -38.7MB). 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 end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:23:56,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:58,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:58,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:23:59,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:59,055 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:59,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:59,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:59,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:59,059 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:59,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:59,064 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:59,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:59,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:59,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:59,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:59,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:59,068 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:23:59,069 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:23:59,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:23:59,069 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:59,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:59,070 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:59,071 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:59,071 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:59,072 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:59,072 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:59,072 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:59,073 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:59,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:59,074 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:59,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:59,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:59,076 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:23:59,076 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:23:59,076 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:59,077 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:23:59,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:23:59,077 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_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1655ef15816414a510c3a8c6c5388872fb389e863c7015deef825935bc10ec6 [2023-11-19 03:23:59,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:59,574 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:59,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:59,581 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:59,582 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:59,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-11-19 03:24:02,590 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:02,987 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:02,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i [2023-11-19 03:24:03,012 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/data/b03d1467c/9374d523e0264d9d8a52d7878b06bdb6/FLAGc53973357 [2023-11-19 03:24:03,027 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/data/b03d1467c/9374d523e0264d9d8a52d7878b06bdb6 [2023-11-19 03:24:03,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:03,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:03,038 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:03,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:03,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:03,045 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41b9d83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03, skipping insertion in model container [2023-11-19 03:24:03,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:03,359 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2023-11-19 03:24:03,675 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:03,692 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:03,706 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/sv-benchmarks/c/pthread-wmm/thin002_power.opt.i[951,964] [2023-11-19 03:24:03,796 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:03,843 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:03,843 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:24:03,851 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:03,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03 WrapperNode [2023-11-19 03:24:03,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:03,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:03,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:03,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:03,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,959 INFO L138 Inliner]: procedures = 181, calls = 84, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2023-11-19 03:24:03,961 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:03,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:03,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:03,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:03,972 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:04,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:04,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:04,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:04,048 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:04,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:04,055 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:04,055 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:04,055 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:04,056 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:04,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:04,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:04,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:04,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:04,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:24:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:24:04,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:24:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-19 03:24:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:24:04,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:24:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:24:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:24:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:24:04,147 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-19 03:24:04,147 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-19 03:24:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-19 03:24:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-19 03:24:04,149 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-19 03:24:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-19 03:24:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-19 03:24:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-19 03:24:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-19 03:24:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:04,152 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:24:04,433 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:04,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:04,978 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:05,423 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:05,423 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:24:05,425 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 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:328) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-19 03:24:05,432 INFO L158 Benchmark]: Toolchain (without parser) took 2396.59ms. Allocated memory was 73.4MB in the beginning and 115.3MB in the end (delta: 41.9MB). Free memory was 48.0MB in the beginning and 85.8MB in the end (delta: -37.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,432 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:24:05,434 INFO L158 Benchmark]: CACSL2BoogieTranslator took 813.79ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 47.8MB in the beginning and 60.2MB in the end (delta: -12.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.20ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 57.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,436 INFO L158 Benchmark]: Boogie Preprocessor took 92.22ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 54.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,437 INFO L158 Benchmark]: RCFGBuilder took 1374.99ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 54.6MB in the beginning and 85.8MB in the end (delta: -31.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2023-11-19 03:24:05,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 73.4MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 813.79ms. Allocated memory was 73.4MB in the beginning and 94.4MB in the end (delta: 21.0MB). Free memory was 47.8MB in the beginning and 60.2MB in the end (delta: -12.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.20ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 57.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.22ms. Allocated memory is still 94.4MB. Free memory was 57.5MB in the beginning and 54.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1374.99ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 54.6MB in the beginning and 85.8MB in the end (delta: -31.1MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 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:328) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:24:05,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f5559047-ac1f-4374-92b5-452619433ba6/bin/ukojak-verify-G8NBE6pJGL/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 end of atomic block: ~z$r_buff1_thd0~0 := ~z$r_buff0_thd0~0;~z$r_buff1_thd1~0 := ~z$r_buff0_thd1~0;~z$r_buff1_thd2~0 := ~z$r_buff0_thd2~0;~z$r_buff1_thd3~0 := ~z$r_buff0_thd3~0;~z$r_buff1_thd4~0 := ~z$r_buff0_thd4~0;~z$r_buff0_thd3~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?