./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/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_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/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_71298226-bdd6-456f-b936-70abedb029e4/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 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:04:13,076 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:04:13,141 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:04:13,147 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:04:13,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:04:13,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:04:13,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:04:13,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:04:13,183 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:04:13,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:04:13,185 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:04:13,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:04:13,198 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:04:13,199 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:04:13,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:04:13,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:04:13,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:04:13,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:04:13,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:04:13,202 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:04:13,203 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:04:13,203 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:04:13,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:04:13,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:04:13,205 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:04:13,205 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:04:13,206 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:04:13,206 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:04:13,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:04:13,207 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:04:13,207 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:04:13,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:04:13,208 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:04:13,208 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:04:13,208 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:04:13,208 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_71298226-bdd6-456f-b936-70abedb029e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-12-02 21:04:13,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:04:13,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:04:13,441 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:04:13,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:04:13,444 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:04:13,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-12-02 21:04:16,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:04:16,357 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:04:16,357 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-12-02 21:04:16,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/data/3d47634fd/9c3ddfa26b9446fd92b7b1351af63f5b/FLAGc5d89ec61 [2023-12-02 21:04:16,376 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/data/3d47634fd/9c3ddfa26b9446fd92b7b1351af63f5b [2023-12-02 21:04:16,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:04:16,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:04:16,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:04:16,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:04:16,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:04:16,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d27470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16, skipping insertion in model container [2023-12-02 21:04:16,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,409 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:04:16,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:04:16,575 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:04:16,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:04:16,617 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:04:16,617 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:04:16,623 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:04:16,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16 WrapperNode [2023-12-02 21:04:16,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:04:16,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:04:16,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:04:16,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:04:16,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,640 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,666 INFO L138 Inliner]: procedures = 25, calls = 101, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2023-12-02 21:04:16,666 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:04:16,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:04:16,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:04:16,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:04:16,674 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,679 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,679 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,693 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,699 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:04:16,700 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:04:16,700 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:04:16,700 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:04:16,701 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:16" (1/1) ... [2023-12-02 21:04:16,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:04:16,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:04:16,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:04:16,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:04:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:04:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:04:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:04:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:04:16,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 21:04:16,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 21:04:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 21:04:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 21:04:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 21:04:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 21:04:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 21:04:16,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 21:04:16,771 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:04:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:04:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:04:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-12-02 21:04:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-12-02 21:04:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-12-02 21:04:16,772 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-12-02 21:04:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:04:16,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:04:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:04:16,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:04:16,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:04:16,774 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 21:04:16,886 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:04:16,888 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:04:17,285 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:04:17,409 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:04:17,414 INFO L158 Benchmark]: Toolchain (without parser) took 1034.16ms. Allocated memory is still 190.8MB. Free memory was 161.5MB in the beginning and 137.6MB in the end (delta: 23.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 21:04:17,414 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:04:17,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.35ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 148.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:04:17,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.39ms. Allocated memory is still 190.8MB. Free memory was 148.5MB in the beginning and 146.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:04:17,417 INFO L158 Benchmark]: Boogie Preprocessor took 32.36ms. Allocated memory is still 190.8MB. Free memory was 146.4MB in the beginning and 144.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:04:17,417 INFO L158 Benchmark]: RCFGBuilder took 711.68ms. Allocated memory is still 190.8MB. Free memory was 144.9MB in the beginning and 137.6MB in the end (delta: 7.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 21:04:17,421 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.35ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 148.5MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.39ms. Allocated memory is still 190.8MB. Free memory was 148.5MB in the beginning and 146.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.36ms. Allocated memory is still 190.8MB. Free memory was 146.4MB in the beginning and 144.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 711.68ms. Allocated memory is still 190.8MB. Free memory was 144.9MB in the beginning and 137.6MB in the end (delta: 7.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:04:17,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/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_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/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_71298226-bdd6-456f-b936-70abedb029e4/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 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:04:19,304 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:04:19,377 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 21:04:19,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:04:19,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:04:19,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:04:19,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:04:19,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:04:19,415 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:04:19,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:04:19,416 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:04:19,416 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:04:19,417 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:04:19,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:04:19,418 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:04:19,418 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:04:19,419 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:04:19,419 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:04:19,420 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:04:19,420 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:04:19,421 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:04:19,421 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:04:19,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:04:19,422 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:04:19,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:04:19,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:04:19,424 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:04:19,424 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:19,424 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:04:19,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:04:19,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:04:19,426 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:04:19,426 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:04:19,427 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:04:19,427 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:04:19,428 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:19,428 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:04:19,429 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:04:19,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:04:19,429 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_71298226-bdd6-456f-b936-70abedb029e4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-12-02 21:04:19,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:04:19,741 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:04:19,743 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:04:19,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:04:19,745 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:04:19,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-12-02 21:04:22,550 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:04:22,766 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:04:22,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-12-02 21:04:22,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/data/67c991df2/f97df36543a84f01a0868580881a9657/FLAG58b4191c8 [2023-12-02 21:04:22,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/data/67c991df2/f97df36543a84f01a0868580881a9657 [2023-12-02 21:04:22,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:04:22,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:04:22,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:04:22,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:04:22,795 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:04:22,796 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:04:22" (1/1) ... [2023-12-02 21:04:22,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f0db290 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:22, skipping insertion in model container [2023-12-02 21:04:22,797 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:04:22" (1/1) ... [2023-12-02 21:04:22,823 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:04:22,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:04:23,003 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:04:23,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:04:23,051 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:04:23,051 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 21:04:23,057 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:04:23,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23 WrapperNode [2023-12-02 21:04:23,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:04:23,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:04:23,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:04:23,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:04:23,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,102 INFO L138 Inliner]: procedures = 27, calls = 101, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2023-12-02 21:04:23,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:04:23,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:04:23,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:04:23,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:04:23,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,125 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,126 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,138 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,148 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:04:23,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:04:23,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:04:23,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:04:23,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:04:23" (1/1) ... [2023-12-02 21:04:23,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:04:23,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:04:23,205 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:04:23,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:04:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:04:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:04:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:04:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:04:23,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-12-02 21:04:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-12-02 21:04:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-12-02 21:04:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-12-02 21:04:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-12-02 21:04:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-12-02 21:04:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-12-02 21:04:23,253 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-12-02 21:04:23,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 21:04:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 21:04:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-12-02 21:04:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-12-02 21:04:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-12-02 21:04:23,254 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-12-02 21:04:23,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 21:04:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 21:04:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:04:23,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:04:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:04:23,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:04:23,257 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 21:04:23,376 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:04:23,378 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:04:23,795 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:04:23,948 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 21:04:23,953 INFO L158 Benchmark]: Toolchain (without parser) took 1161.80ms. Allocated memory is still 77.6MB. Free memory was 53.8MB in the beginning and 28.8MB in the end (delta: 25.0MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2023-12-02 21:04:23,954 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:04:23,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.62ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 40.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 21:04:23,955 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.30ms. Allocated memory is still 77.6MB. Free memory was 40.4MB in the beginning and 38.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:04:23,956 INFO L158 Benchmark]: Boogie Preprocessor took 44.66ms. Allocated memory is still 77.6MB. Free memory was 38.6MB in the beginning and 56.3MB in the end (delta: -17.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-12-02 21:04:23,957 INFO L158 Benchmark]: RCFGBuilder took 802.15ms. Allocated memory is still 77.6MB. Free memory was 56.0MB in the beginning and 28.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2023-12-02 21:04:23,960 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 63.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.62ms. Allocated memory is still 77.6MB. Free memory was 53.6MB in the beginning and 40.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.30ms. Allocated memory is still 77.6MB. Free memory was 40.4MB in the beginning and 38.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.66ms. Allocated memory is still 77.6MB. Free memory was 38.6MB in the beginning and 56.3MB in the end (delta: -17.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 802.15ms. Allocated memory is still 77.6MB. Free memory was 56.0MB in the beginning and 28.8MB in the end (delta: 27.2MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 21:04:23,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71298226-bdd6-456f-b936-70abedb029e4/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 end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?