./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3 --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 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:01,733 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:01,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-25 01:58:01,825 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 01:58:01,828 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 01:58:01,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:01,868 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:01,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:01,868 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:01,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:01,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:01,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:01,872 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:58:01,872 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 01:58:01,872 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:58:01,872 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:01,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:01,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:01,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:01,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:58:01,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:58:01,873 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:58:01,873 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:01,873 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:01,873 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:01,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:01,874 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:01,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:01,874 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:01,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:01,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:01,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:01,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:01,874 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 01:58:01,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 01:58:01,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3 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 -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2024-11-25 01:58:02,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:02,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:02,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:02,250 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:02,250 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:02,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2024-11-25 01:58:05,805 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data/6d5c0df8e/3d3a411df83c4026999f4798ca61f949/FLAGcbc1c98f5 [2024-11-25 01:58:06,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:06,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2024-11-25 01:58:06,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data/6d5c0df8e/3d3a411df83c4026999f4798ca61f949/FLAGcbc1c98f5 [2024-11-25 01:58:06,409 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data/6d5c0df8e/3d3a411df83c4026999f4798ca61f949 [2024-11-25 01:58:06,412 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:06,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:06,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:06,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:06,425 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:06,426 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,427 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2875ab17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06, skipping insertion in model container [2024-11-25 01:58:06,427 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:06,730 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:06,749 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:06,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:06,854 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:06,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06 WrapperNode [2024-11-25 01:58:06,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:06,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:06,856 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:06,856 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:06,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,923 INFO L138 Inliner]: procedures = 25, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 126 [2024-11-25 01:58:06,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:06,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:06,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:06,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:06,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,973 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:06,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:07,003 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:07,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:07,004 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:07,004 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:07,008 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:06" (1/1) ... [2024-11-25 01:58:07,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:07,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:07,055 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:07,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:07,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 01:58:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 01:58:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 01:58:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 01:58:07,097 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 01:58:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 01:58:07,098 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 01:58:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 01:58:07,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 01:58:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 01:58:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 01:58:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 01:58:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 01:58:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 01:58:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 01:58:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 01:58:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 01:58:07,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:07,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 01:58:07,104 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 01:58:07,292 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:07,294 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:08,008 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 01:58:08,008 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:08,358 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 01:58:08,389 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 01:58:08,397 INFO L158 Benchmark]: Toolchain (without parser) took 1982.00ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 68.9MB in the end (delta: 23.2MB). Peak memory consumption was 63.3MB. Max. memory is 16.1GB. [2024-11-25 01:58:08,397 INFO L158 Benchmark]: CDTParser took 1.72ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:08,398 INFO L158 Benchmark]: CACSL2BoogieTranslator took 438.00ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.3MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:08,398 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.56ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:08,399 INFO L158 Benchmark]: Boogie Preprocessor took 74.73ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:08,399 INFO L158 Benchmark]: RCFGBuilder took 1391.57ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 68.9MB in the end (delta: 6.1MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2024-11-25 01:58:08,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72ms. Allocated memory is still 117.4MB. Free memory is still 72.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 438.00ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 78.3MB in the end (delta: 13.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.56ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 76.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 74.73ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 74.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1391.57ms. Allocated memory is still 117.4MB. Free memory was 74.9MB in the beginning and 68.9MB in the end (delta: 6.1MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 01:58:08,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3 --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 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 01:58:11,803 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 01:58:11,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2024-11-25 01:58:11,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 01:58:11,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 01:58:11,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 01:58:11,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 01:58:11,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 01:58:11,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 01:58:11,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 01:58:11,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 01:58:11,996 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 01:58:11,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 01:58:11,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 01:58:11,996 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 01:58:11,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 01:58:11,996 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 01:58:11,996 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 01:58:11,996 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 01:58:11,997 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 01:58:11,997 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 01:58:11,997 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 01:58:11,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 01:58:11,997 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 01:58:11,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 01:58:11,997 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 01:58:11,998 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 01:58:11,998 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 01:58:11,998 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:11,998 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 01:58:11,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 01:58:11,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:11,999 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 01:58:11,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 01:58:11,999 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 01:58:11,999 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 01:58:11,999 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 01:58:11,999 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 01:58:11,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3 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 -> 5bf746ef76f8c8352051d8eb5f02d7a475e14d238622e290fcb51135a3348206 [2024-11-25 01:58:12,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 01:58:12,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 01:58:12,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 01:58:12,380 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 01:58:12,381 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 01:58:12,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2024-11-25 01:58:15,931 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data/ebf8d6d3a/c607e207539f4ee1954943523eae1ac7/FLAGa5458bbfb [2024-11-25 01:58:16,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 01:58:16,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/sv-benchmarks/c/weaver/popl20-bad-commit-2.wvr-bad.c [2024-11-25 01:58:16,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data/ebf8d6d3a/c607e207539f4ee1954943523eae1ac7/FLAGa5458bbfb [2024-11-25 01:58:16,516 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/data/ebf8d6d3a/c607e207539f4ee1954943523eae1ac7 [2024-11-25 01:58:16,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 01:58:16,522 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 01:58:16,526 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:16,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 01:58:16,532 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 01:58:16,533 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:16,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dbb4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:16, skipping insertion in model container [2024-11-25 01:58:16,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 01:58:16" (1/1) ... [2024-11-25 01:58:16,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 01:58:16,885 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 01:58:16,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:16,914 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 01:58:16,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 01:58:17,005 INFO L204 MainTranslator]: Completed translation [2024-11-25 01:58:17,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17 WrapperNode [2024-11-25 01:58:17,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 01:58:17,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:17,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 01:58:17,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 01:58:17,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,031 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,054 INFO L138 Inliner]: procedures = 27, calls = 74, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2024-11-25 01:58:17,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 01:58:17,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 01:58:17,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 01:58:17,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 01:58:17,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,080 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,121 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,133 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,140 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 01:58:17,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 01:58:17,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 01:58:17,156 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 01:58:17,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 01:58:17" (1/1) ... [2024-11-25 01:58:17,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 01:58:17,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 01:58:17,218 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 01:58:17,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 01:58:17,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 01:58:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 01:58:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2024-11-25 01:58:17,264 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2024-11-25 01:58:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 01:58:17,264 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-25 01:58:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-25 01:58:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-25 01:58:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-25 01:58:17,265 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-25 01:58:17,265 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-25 01:58:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-25 01:58:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-25 01:58:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 01:58:17,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 01:58:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-25 01:58:17,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-25 01:58:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-25 01:58:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 01:58:17,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 01:58:17,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 01:58:17,270 WARN L203 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-25 01:58:17,471 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 01:58:17,474 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 01:58:18,383 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-25 01:58:18,384 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 01:58:18,824 WARN L170 LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-25 01:58:18,856 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionIsComplete(AtomicBlockAnalyzer.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:299) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-25 01:58:18,864 INFO L158 Benchmark]: Toolchain (without parser) took 2341.63ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 49.3MB in the end (delta: 10.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-11-25 01:58:18,865 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:18,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 480.90ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 45.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 01:58:18,866 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.52ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 43.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:18,866 INFO L158 Benchmark]: Boogie Preprocessor took 97.68ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 01:58:18,867 INFO L158 Benchmark]: RCFGBuilder took 1705.99ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 49.3MB in the end (delta: -7.7MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-25 01:58:18,869 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 480.90ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 45.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.52ms. Allocated memory is still 83.9MB. Free memory was 45.2MB in the beginning and 43.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 97.68ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 41.6MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1705.99ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 49.3MB in the end (delta: -7.7MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.AtomicBlockAnalyzer.ensureAtomicCompositionComplete(AtomicBlockAnalyzer.java:146) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 01:58:18,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db9417f5-eff4-48c6-ae5d-ad5193c6d883/bin/ukojak-verify-ENZ3QT5qd3/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 start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?