./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_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi --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 [2023-11-24 23:00:22,763 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:22,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 23:00:22,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:00:22,872 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:00:22,921 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:22,922 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:22,923 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:22,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:22,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:22,930 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:22,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:22,931 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:22,932 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:00:22,933 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:22,933 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:22,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:22,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:22,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:22,935 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:22,935 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:22,936 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:22,936 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:22,937 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:22,938 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:22,938 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:22,938 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:22,939 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:22,939 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:22,940 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:22,941 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:22,941 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:22,942 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:00:22,942 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:00:22,942 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:22,942 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_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-11-24 23:00:23,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:23,311 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:23,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:23,317 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:23,318 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:23,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-24 23:00:26,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:26,540 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:26,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-24 23:00:26,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/data/e9c554b6e/8ff2150258fc4df5a1997bb572ede88a/FLAG3c4ceb9c6 [2023-11-24 23:00:26,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/data/e9c554b6e/8ff2150258fc4df5a1997bb572ede88a [2023-11-24 23:00:26,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:26,570 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:26,571 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:26,571 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:26,576 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:26,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,578 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3680b282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26, skipping insertion in model container [2023-11-24 23:00:26,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:26,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:26,862 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:26,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:26,927 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:26,927 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:26,936 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:26,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26 WrapperNode [2023-11-24 23:00:26,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:26,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:26,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:26,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:26,947 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:26,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,018 INFO L138 Inliner]: procedures = 25, calls = 101, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2023-11-24 23:00:27,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:27,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:27,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:27,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:27,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,048 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,048 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,091 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:27,092 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:27,092 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:27,092 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:27,093 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:26" (1/1) ... [2023-11-24 23:00:27,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:27,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:27,133 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:27,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:27,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:00:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:00:27,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:00:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:00:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:00:27,183 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:00:27,183 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:00:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:00:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:00:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:00:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:00:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:00:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:00:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:00:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-24 23:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-24 23:00:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-24 23:00:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-24 23:00:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:00:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:00:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:27,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:27,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:27,189 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:00:27,379 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:27,381 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:27,993 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:28,172 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:00:28,177 INFO L158 Benchmark]: Toolchain (without parser) took 1606.27ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 87.3MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 23:00:28,178 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 94.6MB in the beginning and 94.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:28,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.94ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 105.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:28,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.25ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 102.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:28,180 INFO L158 Benchmark]: Boogie Preprocessor took 71.93ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 101.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:28,180 INFO L158 Benchmark]: RCFGBuilder took 1083.57ms. Allocated memory is still 151.0MB. Free memory was 101.2MB in the beginning and 87.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:28,183 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory was 94.6MB in the beginning and 94.5MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.94ms. Allocated memory is still 151.0MB. Free memory was 117.9MB in the beginning and 105.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.25ms. Allocated memory is still 151.0MB. Free memory was 105.4MB in the beginning and 102.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.93ms. Allocated memory is still 151.0MB. Free memory was 102.6MB in the beginning and 101.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1083.57ms. Allocated memory is still 151.0MB. Free memory was 101.2MB in the beginning and 87.3MB in the end (delta: 13.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:00:28,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/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_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi --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 [2023-11-24 23:00:30,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:00:30,986 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 23:00:31,026 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:00:31,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:00:31,028 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:00:31,029 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:00:31,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:00:31,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:00:31,036 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:00:31,037 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:00:31,037 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:00:31,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:00:31,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:00:31,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:00:31,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:00:31,041 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:00:31,041 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:00:31,041 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:00:31,043 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:00:31,043 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:00:31,044 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:00:31,044 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:00:31,045 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:00:31,045 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:00:31,046 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:00:31,046 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:00:31,046 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:31,047 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:31,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:00:31,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:31,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:00:31,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:00:31,050 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:00:31,050 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:00:31,051 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:31,051 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:00:31,051 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:00:31,051 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:00:31,053 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_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfb19cf4d2e91498cc6b9015bdada7a33dfe09887340d8a9d79513b784b8b5a [2023-11-24 23:00:31,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:00:31,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:00:31,510 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:00:31,512 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:00:31,512 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:00:31,514 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-24 23:00:34,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:35,119 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:35,120 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/sv-benchmarks/c/weaver/parallel-ticket-6.wvr.c [2023-11-24 23:00:35,132 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/data/1c13590f6/64aac480d4c544369b7550be5884d716/FLAGdd43b3ca4 [2023-11-24 23:00:35,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/data/1c13590f6/64aac480d4c544369b7550be5884d716 [2023-11-24 23:00:35,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:35,158 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:35,164 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:35,164 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:35,169 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:35,170 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,171 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bc2f8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35, skipping insertion in model container [2023-11-24 23:00:35,171 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:35,471 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:35,485 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:35,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:35,538 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:35,538 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:00:35,546 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:35,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35 WrapperNode [2023-11-24 23:00:35,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:35,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:35,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:35,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:35,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,577 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,611 INFO L138 Inliner]: procedures = 27, calls = 101, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 139 [2023-11-24 23:00:35,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:35,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:35,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:35,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:35,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,660 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:35,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:35,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:35,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:35,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:35" (1/1) ... [2023-11-24 23:00:35,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:35,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:35,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:35,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:35,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:00:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:00:35,804 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-24 23:00:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-24 23:00:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-24 23:00:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-24 23:00:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-24 23:00:35,805 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-24 23:00:35,805 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-24 23:00:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-24 23:00:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:00:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:00:35,806 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-11-24 23:00:35,806 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-11-24 23:00:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-11-24 23:00:35,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-11-24 23:00:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 23:00:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 23:00:35,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:35,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:00:35,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:00:35,810 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 23:00:36,011 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:36,014 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:36,571 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:36,838 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:00:36,842 INFO L158 Benchmark]: Toolchain (without parser) took 1683.18ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 59.1MB in the beginning and 92.5MB in the end (delta: -33.4MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-24 23:00:36,843 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 83.9MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:00:36,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.66ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 45.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:00:36,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.35ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:36,851 INFO L158 Benchmark]: Boogie Preprocessor took 76.32ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:00:36,852 INFO L158 Benchmark]: RCFGBuilder took 1151.28ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 41.9MB in the beginning and 92.5MB in the end (delta: -50.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2023-11-24 23:00:36,855 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 83.9MB. Free memory is still 60.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.66ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 45.9MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.35ms. Allocated memory is still 83.9MB. Free memory was 45.9MB in the beginning and 44.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.32ms. Allocated memory is still 83.9MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1151.28ms. Allocated memory was 83.9MB in the beginning and 123.7MB in the end (delta: 39.8MB). Free memory was 41.9MB in the beginning and 92.5MB in the end (delta: -50.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling end of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:333) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 23:00:36,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9ce1c05-3fcf-4efc-9724-8351059e4784/bin/ukojak-verify-afCqCEvfdi/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?