./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9 --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 fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:24:09,341 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:24:09,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:24:09,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:24:09,420 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:24:09,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:24:09,446 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:24:09,446 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:24:09,447 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:24:09,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:24:09,448 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:24:09,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:24:09,449 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:24:09,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:24:09,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:24:09,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:24:09,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:24:09,452 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:24:09,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:24:09,453 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:24:09,454 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:24:09,455 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:24:09,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:24:09,456 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:24:09,457 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:24:09,457 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:24:09,457 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:24:09,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:24:09,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:09,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:24:09,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:24:09,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:24:09,460 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:24:09,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:24:09,460 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:24:09,460 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_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 [2023-12-02 22:24:09,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:24:09,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:24:09,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:24:09,727 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:24:09,728 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:24:09,729 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-12-02 22:24:12,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:24:12,752 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:24:12,752 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-12-02 22:24:12,762 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/data/29130fad1/f620c66516a44b10a99784340f70235c/FLAG41e8cdbff [2023-12-02 22:24:12,776 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/data/29130fad1/f620c66516a44b10a99784340f70235c [2023-12-02 22:24:12,778 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:24:12,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:24:12,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:12,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:24:12,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:24:12,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ef32ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:12, skipping insertion in model container [2023-12-02 22:24:12,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:12" (1/1) ... [2023-12-02 22:24:12,816 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:13,028 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:13,039 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:24:13,069 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:13,078 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:13,079 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:13,087 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:24:13,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13 WrapperNode [2023-12-02 22:24:13,088 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:13,089 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:13,089 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:24:13,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:24:13,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,108 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,133 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 66 [2023-12-02 22:24:13,133 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:13,134 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:24:13,134 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:24:13,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:24:13,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,152 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,161 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,170 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:24:13,175 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:24:13,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:24:13,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:24:13,176 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:13" (1/1) ... [2023-12-02 22:24:13,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:13,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:24:13,210 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:24:13,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:24:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:24:13,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:24:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:24:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:24:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:24:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:24:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:24:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:24:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:24:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:24:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 22:24:13,254 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 22:24:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:24:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:24:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:24:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:24:13,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:24:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 22:24:13,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:24:13,257 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:24:13,371 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:24:13,373 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:24:13,655 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:24:13,758 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-02 22:24:13,786 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:24:13,791 INFO L158 Benchmark]: Toolchain (without parser) took 1010.15ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 110.0MB in the end (delta: 4.0MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-12-02 22:24:13,791 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:13,792 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.68ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 102.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:24:13,793 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.27ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 100.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:13,794 INFO L158 Benchmark]: Boogie Preprocessor took 39.70ms. Allocated memory is still 157.3MB. Free memory was 100.2MB in the beginning and 98.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:13,794 INFO L158 Benchmark]: RCFGBuilder took 613.95ms. Allocated memory is still 157.3MB. Free memory was 98.7MB in the beginning and 110.0MB in the end (delta: -11.3MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-12-02 22:24:13,798 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.68ms. Allocated memory is still 157.3MB. Free memory was 114.1MB in the beginning and 102.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.27ms. Allocated memory is still 157.3MB. Free memory was 102.0MB in the beginning and 100.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.70ms. Allocated memory is still 157.3MB. Free memory was 100.2MB in the beginning and 98.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 613.95ms. Allocated memory is still 157.3MB. Free memory was 98.7MB in the beginning and 110.0MB in the end (delta: -11.3MB). Peak memory consumption was 17.6MB. 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:24:13,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/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_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9 --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 fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:24:15,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:24:16,015 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:24:16,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:24:16,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:24:16,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:24:16,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:24:16,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:24:16,053 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:24:16,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:24:16,054 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:24:16,055 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:24:16,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:24:16,056 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:24:16,056 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:24:16,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:24:16,057 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:24:16,058 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:24:16,058 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:24:16,059 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:24:16,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:24:16,065 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:24:16,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:24:16,066 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:24:16,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:24:16,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:24:16,067 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:24:16,067 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:16,068 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:24:16,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:24:16,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:16,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:24:16,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:24:16,070 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:24:16,070 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:24:16,070 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:24:16,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:24:16,071 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:24:16,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:24:16,071 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_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fbe9f324c9eba6beb8c990e3f85f0b00a68548fe05ffdb4e97bc061354d1cdf2 [2023-12-02 22:24:16,384 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:24:16,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:24:16,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:24:16,412 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:24:16,412 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:24:16,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-12-02 22:24:19,230 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:24:19,457 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:24:19,457 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/sv-benchmarks/c/weaver/popl20-counter-fun.wvr.c [2023-12-02 22:24:19,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/data/634d32fd2/78d3ff2aca2d46558336d28a0759bad4/FLAGfc8a3cad6 [2023-12-02 22:24:19,481 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/data/634d32fd2/78d3ff2aca2d46558336d28a0759bad4 [2023-12-02 22:24:19,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:24:19,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:24:19,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:19,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:24:19,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:24:19,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,494 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47dad832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19, skipping insertion in model container [2023-12-02 22:24:19,494 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:19,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:19,724 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 22:24:19,730 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:24:19,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:19,763 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:24:19,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:24:19,806 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:19,806 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:24:19,813 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:24:19,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19 WrapperNode [2023-12-02 22:24:19,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:24:19,815 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:19,815 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:24:19,815 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:24:19,822 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,859 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-12-02 22:24:19,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:24:19,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:24:19,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:24:19,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:24:19,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,890 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,898 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,900 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:24:19,906 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:24:19,906 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:24:19,906 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:24:19,907 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:24:19" (1/1) ... [2023-12-02 22:24:19,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:24:19,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:24:19,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:24:19,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:24:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:24:19,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:24:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:24:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure create_fresh_int_array [2023-12-02 22:24:20,000 INFO L138 BoogieDeclarations]: Found implementation of procedure create_fresh_int_array [2023-12-02 22:24:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 22:24:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 22:24:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 22:24:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 22:24:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 22:24:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 22:24:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 22:24:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:24:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:24:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 22:24:20,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:24:20,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:24:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:24:20,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:24:20,005 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:24:20,123 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:24:20,125 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:24:20,508 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:24:20,662 WARN L1821 r$LargeBlockEncoding]: Complex 2:4 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-12-02 22:24:20,691 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:24:20,696 INFO L158 Benchmark]: Toolchain (without parser) took 1209.65ms. Allocated memory is still 96.5MB. Free memory was 73.2MB in the beginning and 61.4MB in the end (delta: 11.7MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2023-12-02 22:24:20,697 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:24:20,698 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.25ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 59.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 22:24:20,699 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.85ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 57.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:20,700 INFO L158 Benchmark]: Boogie Preprocessor took 44.16ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 55.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:24:20,701 INFO L158 Benchmark]: RCFGBuilder took 788.60ms. Allocated memory is still 96.5MB. Free memory was 55.5MB in the beginning and 61.4MB in the end (delta: -5.9MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-12-02 22:24:20,704 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.25ms. Allocated memory is still 96.5MB. Free memory was 72.9MB in the beginning and 59.2MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.85ms. Allocated memory is still 96.5MB. Free memory was 59.2MB in the beginning and 57.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.16ms. Allocated memory is still 96.5MB. Free memory was 57.4MB in the beginning and 55.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 788.60ms. Allocated memory is still 96.5MB. Free memory was 55.5MB in the beginning and 61.4MB in the end (delta: -5.9MB). Peak memory consumption was 15.6MB. 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.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:24:20,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bfcd21e-a87d-47a1-ab2a-199491fa5b77/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?