./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2 --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 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:10,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:10,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:45:10,763 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:45:10,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:45:10,804 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:10,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:10,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:10,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:10,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:10,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:10,808 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:10,808 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:10,809 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:45:10,809 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:10,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:10,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:10,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:10,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:10,812 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:10,812 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:10,824 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:10,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:10,825 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:10,825 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:10,826 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:10,826 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:10,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:10,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:10,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:10,839 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:10,839 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:10,840 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:45:10,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:45:10,840 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:10,841 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_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 [2023-11-21 18:45:11,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:11,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:11,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:11,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:11,185 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:11,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2023-11-21 18:45:14,508 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:14,862 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:14,862 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2023-11-21 18:45:14,886 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/data/8659be3f1/ea74ca42d6434c64a6c74e6aeedd3a35/FLAG197524520 [2023-11-21 18:45:14,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/data/8659be3f1/ea74ca42d6434c64a6c74e6aeedd3a35 [2023-11-21 18:45:14,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:14,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:14,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:14,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:14,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:14,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:14" (1/1) ... [2023-11-21 18:45:14,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa4927e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:14, skipping insertion in model container [2023-11-21 18:45:14,927 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:14" (1/1) ... [2023-11-21 18:45:14,991 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:15,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:15,477 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:15,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:15,606 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:15,606 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:15,614 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:15,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15 WrapperNode [2023-11-21 18:45:15,615 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:15,616 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:15,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:15,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:15,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,716 INFO L138 Inliner]: procedures = 179, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 162 [2023-11-21 18:45:15,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:15,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:15,718 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:15,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:15,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,743 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,753 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,760 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,787 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:15,788 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:15,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:15,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:15,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:15" (1/1) ... [2023-11-21 18:45:15,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:15,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:15,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:15,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:45:15,881 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:45:15,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:45:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:45:15,883 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:45:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:45:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:45:15,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:45:15,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:45:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:45:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:45:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:45:15,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:45:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:45:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:45:15,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:15,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:15,889 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:45:16,095 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:16,097 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:16,478 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:16,633 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:45:16,637 INFO L158 Benchmark]: Toolchain (without parser) took 1726.39ms. Allocated memory is still 163.6MB. Free memory was 100.2MB in the beginning and 88.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2023-11-21 18:45:16,638 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:16,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.82ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 123.3MB in the end (delta: -23.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:45:16,639 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.82ms. Allocated memory is still 163.6MB. Free memory was 123.3MB in the beginning and 120.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:45:16,640 INFO L158 Benchmark]: Boogie Preprocessor took 69.53ms. Allocated memory is still 163.6MB. Free memory was 120.5MB in the beginning and 119.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:16,641 INFO L158 Benchmark]: RCFGBuilder took 847.93ms. Allocated memory is still 163.6MB. Free memory was 119.1MB in the beginning and 88.3MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:45:16,644 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 121.6MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.82ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 123.3MB in the end (delta: -23.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.82ms. Allocated memory is still 163.6MB. Free memory was 123.3MB in the beginning and 120.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.53ms. Allocated memory is still 163.6MB. Free memory was 120.5MB in the beginning and 119.1MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 847.93ms. Allocated memory is still 163.6MB. Free memory was 119.1MB in the beginning and 88.3MB in the end (delta: 30.8MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:45:16,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2 --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 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:45:19,356 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:45:19,475 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:45:19,539 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:45:19,540 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:45:19,541 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:45:19,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:45:19,543 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:45:19,544 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:45:19,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:45:19,550 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:45:19,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:45:19,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:45:19,553 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:45:19,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:45:19,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:45:19,555 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:45:19,555 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:45:19,556 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:45:19,556 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:45:19,556 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:45:19,557 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:45:19,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:45:19,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:45:19,559 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:45:19,559 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:45:19,560 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:45:19,560 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:45:19,560 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:45:19,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:45:19,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:19,563 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:45:19,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:45:19,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:45:19,564 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:45:19,564 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:45:19,564 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:45:19,565 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:45:19,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:45:19,566 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_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3df48c747d95355ac505f3aa498934ae4a3962ec64d7e6dbfdd54f02fbeda355 [2023-11-21 18:45:19,921 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:45:19,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:45:19,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:45:19,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:45:19,963 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:45:19,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2023-11-21 18:45:23,256 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:45:23,609 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:45:23,609 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2023-11-21 18:45:23,637 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/data/b6600787c/5826a0c0ef32434898601d7267eac4c8/FLAG8cddf8376 [2023-11-21 18:45:23,656 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/data/b6600787c/5826a0c0ef32434898601d7267eac4c8 [2023-11-21 18:45:23,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:45:23,660 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:45:23,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:23,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:45:23,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:45:23,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:23" (1/1) ... [2023-11-21 18:45:23,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1461a62a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:23, skipping insertion in model container [2023-11-21 18:45:23,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:45:23" (1/1) ... [2023-11-21 18:45:23,753 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:45:24,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:24,261 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:45:24,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:45:24,439 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:24,439 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:45:24,447 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:45:24,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24 WrapperNode [2023-11-21 18:45:24,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:45:24,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:24,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:45:24,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:45:24,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,564 INFO L138 Inliner]: procedures = 183, calls = 50, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 159 [2023-11-21 18:45:24,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:45:24,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:45:24,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:45:24,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:45:24,574 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,591 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,615 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:45:24,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:45:24,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:45:24,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:45:24,641 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:45:24" (1/1) ... [2023-11-21 18:45:24,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:45:24,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:45:24,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:45:24,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:45:24,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:45:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-21 18:45:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-21 18:45:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2023-11-21 18:45:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2023-11-21 18:45:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:45:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:45:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:45:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:45:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:45:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:45:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:45:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2023-11-21 18:45:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2023-11-21 18:45:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:45:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:45:24,765 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:45:24,945 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:45:24,947 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:45:25,303 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:45:25,532 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:45:25,542 INFO L158 Benchmark]: Toolchain (without parser) took 1881.14ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 25.9MB in the beginning and 48.5MB in the end (delta: -22.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2023-11-21 18:45:25,544 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:45:25,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 787.42ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 25.7MB in the beginning and 43.6MB in the end (delta: -17.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-11-21 18:45:25,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 114.93ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 62.5MB in the end (delta: -18.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2023-11-21 18:45:25,549 INFO L158 Benchmark]: Boogie Preprocessor took 70.51ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 60.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:45:25,550 INFO L158 Benchmark]: RCFGBuilder took 901.04ms. Allocated memory is still 86.0MB. Free memory was 60.1MB in the beginning and 48.5MB in the end (delta: 11.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. [2023-11-21 18:45:25,562 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 787.42ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 25.7MB in the beginning and 43.6MB in the end (delta: -17.9MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 114.93ms. Allocated memory is still 86.0MB. Free memory was 43.6MB in the beginning and 62.5MB in the end (delta: -18.9MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.51ms. Allocated memory is still 86.0MB. Free memory was 62.5MB in the beginning and 60.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 901.04ms. Allocated memory is still 86.0MB. Free memory was 60.1MB in the beginning and 48.5MB in the end (delta: 11.7MB). Peak memory consumption was 25.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:45:25,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c22676-79ec-4085-bf24-d1dfb6a62713/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: ). Is there illegal control flow (e.g. loops) within an atomic block?