./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/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_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/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_832ba9f8-fa67-45c9-a102-26e53cd82400/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 a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:01:23,974 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:01:24,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:01:24,070 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:01:24,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:01:24,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:01:24,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:01:24,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:01:24,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:01:24,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:01:24,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:01:24,109 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:01:24,109 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:01:24,110 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:01:24,111 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:01:24,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:01:24,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:01:24,113 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:01:24,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:01:24,114 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:01:24,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:01:24,116 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:01:24,117 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:01:24,118 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:01:24,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:01:24,119 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:01:24,120 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:01:24,121 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:01:24,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:24,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:01:24,123 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:01:24,124 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:01:24,124 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:01:24,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:01:24,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:01:24,127 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_832ba9f8-fa67-45c9-a102-26e53cd82400/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 [2023-11-23 20:01:24,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:01:24,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:01:24,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:01:24,569 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:01:24,569 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:01:24,571 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-23 20:01:28,029 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:01:28,374 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:01:28,374 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-23 20:01:28,391 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/data/e710afb04/659e89febd1f4890a0db9c89be0bd58e/FLAGf7b4abf3f [2023-11-23 20:01:28,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/data/e710afb04/659e89febd1f4890a0db9c89be0bd58e [2023-11-23 20:01:28,420 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:01:28,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:01:28,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:28,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:01:28,436 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:01:28,439 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:28,440 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d7fc074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28, skipping insertion in model container [2023-11-23 20:01:28,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:28,534 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:01:28,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:28,838 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:01:28,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:28,906 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:28,906 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:28,916 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:01:28,917 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28 WrapperNode [2023-11-23 20:01:28,917 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:28,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:28,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:01:28,919 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:01:28,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:28,941 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:28,976 INFO L138 Inliner]: procedures = 23, calls = 177, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132 [2023-11-23 20:01:28,976 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:28,977 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:01:28,978 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:01:28,978 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:01:28,990 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:28,990 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:28,995 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:28,996 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:29,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:29,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:29,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:29,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:29,022 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:01:29,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:01:29,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:01:29,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:01:29,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:28" (1/1) ... [2023-11-23 20:01:29,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:29,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:01:29,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:01:29,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:01:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:01:29,135 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:01:29,136 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:01:29,137 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:01:29,138 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:01:29,138 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:01:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:01:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:01:29,139 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:01:29,139 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:01:29,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:01:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:01:29,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:01:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:01:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:01:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:01:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:01:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:01:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:01:29,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:01:29,146 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 20:01:29,302 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:01:29,309 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:01:29,848 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:01:30,084 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: ). 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 20:01:30,089 INFO L158 Benchmark]: Toolchain (without parser) took 1664.23ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 67.7MB in the beginning and 110.3MB in the end (delta: -42.6MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-23 20:01:30,090 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:01:30,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.82ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 67.4MB in the beginning and 148.1MB in the end (delta: -80.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-23 20:01:30,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.22ms. Allocated memory is still 186.6MB. Free memory was 148.1MB in the beginning and 146.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:01:30,093 INFO L158 Benchmark]: Boogie Preprocessor took 45.45ms. Allocated memory is still 186.6MB. Free memory was 146.0MB in the beginning and 144.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:01:30,094 INFO L158 Benchmark]: RCFGBuilder took 1063.24ms. Allocated memory is still 186.6MB. Free memory was 144.7MB in the beginning and 110.3MB in the end (delta: 34.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 20:01:30,098 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 132.1MB. Free memory is still 99.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.82ms. Allocated memory was 132.1MB in the beginning and 186.6MB in the end (delta: 54.5MB). Free memory was 67.4MB in the beginning and 148.1MB in the end (delta: -80.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.22ms. Allocated memory is still 186.6MB. Free memory was 148.1MB in the beginning and 146.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.45ms. Allocated memory is still 186.6MB. Free memory was 146.0MB in the beginning and 144.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1063.24ms. Allocated memory is still 186.6MB. Free memory was 144.7MB in the beginning and 110.3MB in the end (delta: 34.4MB). Peak memory consumption was 35.7MB. 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: ). 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: ). 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 20:01:30,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/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_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/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_832ba9f8-fa67-45c9-a102-26e53cd82400/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 a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:01:33,250 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:01:33,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:01:33,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:01:33,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:01:33,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:01:33,450 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:01:33,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:01:33,451 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:01:33,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:01:33,452 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:01:33,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:01:33,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:01:33,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:01:33,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:01:33,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:01:33,456 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:01:33,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:01:33,457 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:01:33,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:01:33,458 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:01:33,459 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:01:33,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:01:33,460 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:01:33,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:01:33,461 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:01:33,461 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:01:33,462 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:01:33,462 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:01:33,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:01:33,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:33,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:01:33,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:01:33,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:01:33,464 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:01:33,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:01:33,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:01:33,465 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:01:33,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:01:33,466 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_832ba9f8-fa67-45c9-a102-26e53cd82400/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a42fdc99fbc54512a7829bd297e0f02fe251a511098f304812399f6e9de1d8b6 [2023-11-23 20:01:33,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:01:33,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:01:33,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:01:33,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:01:33,977 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:01:33,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-23 20:01:37,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:01:37,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:01:37,919 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/sv-benchmarks/c/weaver/parallel-bakery-4.wvr.c [2023-11-23 20:01:37,931 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/data/f55da9308/68f93982fd624efeb2955b4ddd99a92c/FLAG8c3a41aa8 [2023-11-23 20:01:37,965 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/data/f55da9308/68f93982fd624efeb2955b4ddd99a92c [2023-11-23 20:01:37,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:01:37,975 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:01:37,978 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:37,978 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:01:37,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:01:37,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:37,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14a2dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:37, skipping insertion in model container [2023-11-23 20:01:37,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:37" (1/1) ... [2023-11-23 20:01:38,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:01:38,438 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:38,463 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:01:38,545 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:38,557 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:38,558 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:38,567 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:01:38,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38 WrapperNode [2023-11-23 20:01:38,569 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:38,570 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:38,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:01:38,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:01:38,581 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,686 INFO L138 Inliner]: procedures = 25, calls = 177, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2023-11-23 20:01:38,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:38,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:01:38,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:01:38,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:01:38,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,709 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,715 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,717 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,736 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,747 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:01:38,748 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:01:38,748 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:01:38,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:01:38,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:38" (1/1) ... [2023-11-23 20:01:38,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:38,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:01:38,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:01:38,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:01:38,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:01:38,855 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-23 20:01:38,855 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-23 20:01:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-23 20:01:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-23 20:01:38,856 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-23 20:01:38,856 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-23 20:01:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:01:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-23 20:01:38,857 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-23 20:01:38,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:01:38,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:01:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:01:38,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-23 20:01:38,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-23 20:01:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:01:38,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:01:38,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:01:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:01:38,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:01:38,864 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 20:01:39,015 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:01:39,018 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:01:39,649 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:01:39,812 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: ). 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 20:01:39,818 INFO L158 Benchmark]: Toolchain (without parser) took 1841.51ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 55.4MB in the beginning and 67.4MB in the end (delta: -12.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-11-23 20:01:39,819 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 79.7MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:01:39,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.40ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 40.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:01:39,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.65ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 40.6MB in the beginning and 81.2MB in the end (delta: -40.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:01:39,824 INFO L158 Benchmark]: Boogie Preprocessor took 59.46ms. Allocated memory is still 102.8MB. Free memory was 81.2MB in the beginning and 79.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:01:39,827 INFO L158 Benchmark]: RCFGBuilder took 1067.19ms. Allocated memory is still 102.8MB. Free memory was 79.1MB in the beginning and 67.4MB in the end (delta: 11.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2023-11-23 20:01:39,831 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 79.7MB. Free memory was 55.0MB in the beginning and 54.9MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.40ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 40.6MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.65ms. Allocated memory was 79.7MB in the beginning and 102.8MB in the end (delta: 23.1MB). Free memory was 40.6MB in the beginning and 81.2MB in the end (delta: -40.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.46ms. Allocated memory is still 102.8MB. Free memory was 81.2MB in the beginning and 79.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1067.19ms. Allocated memory is still 102.8MB. Free memory was 79.1MB in the beginning and 67.4MB in the end (delta: 11.7MB). Peak memory consumption was 31.6MB. 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: ). 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: ). 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 20:01:39,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_832ba9f8-fa67-45c9-a102-26e53cd82400/bin/ukojak-verify-1t5iHCbJaC/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?