./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eec124b30114ac40ce6b503b76c1b377fc7c0cddd0ece3b04d579d49ce56e9b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:25,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:26,058 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:20:26,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:26,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:26,109 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:26,111 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:26,112 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:26,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:26,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:26,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:26,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:26,121 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:26,123 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:26,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:26,124 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:26,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:26,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:26,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:26,126 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:26,127 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:26,128 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:26,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:26,129 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:26,130 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:26,130 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:26,131 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:26,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:26,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:26,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:26,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:26,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:26,134 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:26,135 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:26,135 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:26,135 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_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec124b30114ac40ce6b503b76c1b377fc7c0cddd0ece3b04d579d49ce56e9b5 [2023-11-23 20:20:26,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:26,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:26,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:26,511 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:26,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:26,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2023-11-23 20:20:29,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:29,899 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:29,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2023-11-23 20:20:29,928 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/data/5a6878e2d/e4986a25b2ea45f7acc56ea9495348c8/FLAGbfcb0b877 [2023-11-23 20:20:29,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/data/5a6878e2d/e4986a25b2ea45f7acc56ea9495348c8 [2023-11-23 20:20:29,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:29,956 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:29,960 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:29,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:29,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:29,968 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:29,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7de0a70d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:29, skipping insertion in model container [2023-11-23 20:20:29,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:29" (1/1) ... [2023-11-23 20:20:30,048 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:30,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:30,547 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:30,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:30,691 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:30,691 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:30,700 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:30,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30 WrapperNode [2023-11-23 20:20:30,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:30,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:30,702 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:30,702 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:30,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,734 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,763 INFO L138 Inliner]: procedures = 175, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 123 [2023-11-23 20:20:30,764 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:30,764 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:30,765 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:30,765 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:30,775 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,780 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,781 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,797 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:30,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:30,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:30,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:30,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:30" (1/1) ... [2023-11-23 20:20:30,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:30,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:30,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:30,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:20:30,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:20:30,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:20:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:20:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:20:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:30,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:20:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:20:30,921 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:20:30,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:20:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:20:30,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:30,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:30,924 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:20:31,143 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:31,145 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:31,635 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:32,002 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: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff0_thd1~0 := 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:20:32,007 INFO L158 Benchmark]: Toolchain (without parser) took 2049.43ms. Allocated memory is still 140.5MB. Free memory was 94.3MB in the beginning and 85.4MB in the end (delta: 8.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2023-11-23 20:20:32,008 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:32,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.53ms. Allocated memory is still 140.5MB. Free memory was 93.8MB in the beginning and 107.5MB in the end (delta: -13.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:32,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.46ms. Allocated memory is still 140.5MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:32,010 INFO L158 Benchmark]: Boogie Preprocessor took 46.77ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 103.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:32,012 INFO L158 Benchmark]: RCFGBuilder took 1192.92ms. Allocated memory is still 140.5MB. Free memory was 103.3MB in the beginning and 85.4MB in the end (delta: 17.9MB). Peak memory consumption was 53.2MB. Max. memory is 16.1GB. [2023-11-23 20:20:32,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 29.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 740.53ms. Allocated memory is still 140.5MB. Free memory was 93.8MB in the beginning and 107.5MB in the end (delta: -13.6MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.46ms. Allocated memory is still 140.5MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.77ms. Allocated memory is still 140.5MB. Free memory was 105.4MB in the beginning and 103.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1192.92ms. Allocated memory is still 140.5MB. Free memory was 103.3MB in the beginning and 85.4MB in the end (delta: 17.9MB). Peak memory consumption was 53.2MB. 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: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff0_thd1~0 := 1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff0_thd1~0 := 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:20:32,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eec124b30114ac40ce6b503b76c1b377fc7c0cddd0ece3b04d579d49ce56e9b5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:34,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:34,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:20:35,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:35,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:35,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:35,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:35,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:35,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:35,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:35,054 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:20:35,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:20:35,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:35,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:35,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:35,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:35,058 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:20:35,059 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:20:35,059 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:35,060 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:20:35,061 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:35,061 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:20:35,062 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:35,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:35,063 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:35,063 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:35,064 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:35,064 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:35,065 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:20:35,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:35,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:35,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:35,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:35,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:35,068 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:20:35,068 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:20:35,069 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:35,069 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:20:35,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:20:35,070 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_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eec124b30114ac40ce6b503b76c1b377fc7c0cddd0ece3b04d579d49ce56e9b5 [2023-11-23 20:20:35,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:35,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:35,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:35,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:35,512 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:35,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2023-11-23 20:20:38,828 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:39,201 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:39,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/sv-benchmarks/c/pthread-wmm/safe006_power.opt-thin000_power.opt.i [2023-11-23 20:20:39,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/data/685a60cf6/7b90572cfcf745c0abbea873a5ab3520/FLAGb5277230a [2023-11-23 20:20:39,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/data/685a60cf6/7b90572cfcf745c0abbea873a5ab3520 [2023-11-23 20:20:39,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:39,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:39,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:39,260 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:39,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:39,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:39" (1/1) ... [2023-11-23 20:20:39,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cccc544 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:39, skipping insertion in model container [2023-11-23 20:20:39,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:39" (1/1) ... [2023-11-23 20:20:39,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:39,835 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:39,858 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:39,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:40,040 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:40,040 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:40,048 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:40,049 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40 WrapperNode [2023-11-23 20:20:40,049 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:40,050 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:40,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:40,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:40,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,148 INFO L138 Inliner]: procedures = 179, calls = 59, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 124 [2023-11-23 20:20:40,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:40,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:40,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:40,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:40,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,178 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,192 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,211 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:40,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:40,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:40,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:40,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:40" (1/1) ... [2023-11-23 20:20:40,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:40,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:40,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:40,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:40,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:20:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:20:40,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:20:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:20:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:40,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:20:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:20:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:20:40,331 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-23 20:20:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-23 20:20:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-23 20:20:40,332 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-23 20:20:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:20:40,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:40,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:40,334 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:20:40,567 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:40,570 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:41,019 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:41,410 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: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff0_thd1~0 := 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:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 20:20:41,417 INFO L158 Benchmark]: Toolchain (without parser) took 2159.55ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 62.3MB in the beginning and 80.3MB in the end (delta: -18.0MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2023-11-23 20:20:41,418 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 58.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:41,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.65ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 57.6MB in the end (delta: 4.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2023-11-23 20:20:41,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.33ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 55.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:20:41,421 INFO L158 Benchmark]: Boogie Preprocessor took 94.22ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 52.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:41,422 INFO L158 Benchmark]: RCFGBuilder took 1170.01ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 80.3MB in the end (delta: -28.1MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-23 20:20:41,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 58.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.65ms. Allocated memory is still 88.1MB. Free memory was 62.1MB in the beginning and 57.6MB in the end (delta: 4.5MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.33ms. Allocated memory is still 88.1MB. Free memory was 57.6MB in the beginning and 55.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.22ms. Allocated memory is still 88.1MB. Free memory was 55.1MB in the beginning and 52.2MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1170.01ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.2MB in the beginning and 80.3MB in the end (delta: -28.1MB). Peak memory consumption was 26.8MB. 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: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff0_thd1~0 := 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:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:20:41,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cbbdb7f-1a0a-4103-85ab-9a361f5418aa/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ~x$r_buff1_thd0~0 := ~x$r_buff0_thd0~0;~x$r_buff1_thd1~0 := ~x$r_buff0_thd1~0;~x$r_buff1_thd2~0 := ~x$r_buff0_thd2~0;~x$r_buff0_thd1~0 := 1bv8;). Is there illegal control flow (e.g. loops) within an atomic block?