./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:10:01,570 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:10:01,572 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:10:01,587 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:10:01,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:10:01,588 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:10:01,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:10:01,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:10:01,594 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:10:01,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:10:01,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:10:01,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:10:01,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:10:01,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:10:01,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:10:01,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:10:01,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:10:01,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:10:01,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:10:01,612 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:10:01,614 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:10:01,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:10:01,617 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:10:01,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:10:01,625 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:10:01,625 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:10:01,626 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:10:01,627 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:10:01,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:10:01,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:10:01,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:10:01,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:10:01,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:10:01,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:10:01,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:10:01,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:10:01,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:10:01,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:10:01,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:10:01,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:10:01,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:10:01,637 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 20:10:01,657 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:10:01,658 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:10:01,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:10:01,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:10:01,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:10:01,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:10:01,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:10:01,660 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:10:01,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:10:01,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:10:01,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:10:01,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:10:01,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:10:01,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:10:01,661 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:10:01,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:10:01,661 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:10:01,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:10:01,662 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:10:01,662 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:10:01,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:10:01,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:10:01,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:10:01,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:10:01,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:10:01,663 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:10:01,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:10:01,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:10:01,664 INFO L138 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_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-12-14 20:10:01,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:10:01,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:10:01,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:10:01,874 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:10:01,875 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:10:01,876 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-12-14 20:10:04,474 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:10:04,653 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:10:04,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-12-14 20:10:04,661 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/data/8627607db/f84142024f3641ae94e635f079703305/FLAG538d2f3b7 [2022-12-14 20:10:04,671 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/data/8627607db/f84142024f3641ae94e635f079703305 [2022-12-14 20:10:04,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:10:04,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:10:04,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:10:04,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:10:04,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:10:04,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:10:04" (1/1) ... [2022-12-14 20:10:04,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e80a89a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:04, skipping insertion in model container [2022-12-14 20:10:04,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:10:04" (1/1) ... [2022-12-14 20:10:04,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:10:04,714 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:10:04,942 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-12-14 20:10:04,950 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:10:04,959 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:10:04,985 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-12-14 20:10:04,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:10:05,007 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:10:05,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05 WrapperNode [2022-12-14 20:10:05,008 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:10:05,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:10:05,009 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:10:05,009 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:10:05,014 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,023 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,038 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 147 [2022-12-14 20:10:05,038 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:10:05,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:10:05,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:10:05,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:10:05,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,048 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,054 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,055 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,056 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:10:05,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:10:05,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:10:05,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:10:05,059 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:05" (1/1) ... [2022-12-14 20:10:05,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:10:05,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:10:05,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:10:05,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:10:05,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:10:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 20:10:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 20:10:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:10:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-14 20:10:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-14 20:10:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:10:05,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:10:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:10:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:10:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:10:05,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:10:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-14 20:10:05,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-14 20:10:05,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:10:05,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:10:05,110 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:10:05,214 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:10:05,216 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:10:05,452 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:10:05,547 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:10:05,547 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 20:10:05,548 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-14 20:10:05,549 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 20:10:05,553 INFO L158 Benchmark]: Toolchain (without parser) took 877.79ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 91.9MB in the beginning and 117.0MB in the end (delta: -25.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2022-12-14 20:10:05,554 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory was 98.9MB in the beginning and 98.9MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:10:05,554 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.24ms. Allocated memory is still 123.7MB. Free memory was 91.9MB in the beginning and 71.6MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:10:05,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.57ms. Allocated memory is still 123.7MB. Free memory was 71.6MB in the beginning and 68.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:10:05,555 INFO L158 Benchmark]: Boogie Preprocessor took 19.59ms. Allocated memory is still 123.7MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:10:05,556 INFO L158 Benchmark]: RCFGBuilder took 492.73ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 67.4MB in the beginning and 117.0MB in the end (delta: -49.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-12-14 20:10:05,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory was 98.9MB in the beginning and 98.9MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.24ms. Allocated memory is still 123.7MB. Free memory was 91.9MB in the beginning and 71.6MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.57ms. Allocated memory is still 123.7MB. Free memory was 71.6MB in the beginning and 68.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.59ms. Allocated memory is still 123.7MB. Free memory was 68.9MB in the beginning and 67.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 492.73ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 67.4MB in the beginning and 117.0MB in the end (delta: -49.6MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:10:05,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/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_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:10:07,332 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:10:07,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:10:07,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:10:07,349 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:10:07,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:10:07,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:10:07,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:10:07,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:10:07,354 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:10:07,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:10:07,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:10:07,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:10:07,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:10:07,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:10:07,359 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:10:07,359 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:10:07,360 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:10:07,361 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:10:07,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:10:07,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:10:07,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:10:07,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:10:07,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:10:07,370 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:10:07,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:10:07,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:10:07,372 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:10:07,372 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:10:07,373 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:10:07,373 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:10:07,373 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:10:07,374 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:10:07,375 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:10:07,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:10:07,376 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:10:07,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:10:07,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:10:07,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:10:07,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:10:07,377 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:10:07,378 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-14 20:10:07,400 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:10:07,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:10:07,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:10:07,400 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:10:07,401 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:10:07,401 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:10:07,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:10:07,401 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:10:07,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:10:07,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:10:07,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:10:07,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:10:07,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:10:07,402 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:10:07,402 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:10:07,402 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:10:07,403 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:10:07,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:10:07,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:10:07,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:10:07,403 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:10:07,403 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:10:07,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:10:07,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:10:07,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:10:07,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:10:07,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:10:07,404 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:10:07,405 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:10:07,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:10:07,405 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:10:07,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:10:07,405 INFO L138 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_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-12-14 20:10:07,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:10:07,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:10:07,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:10:07,651 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:10:07,651 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:10:07,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-12-14 20:10:10,157 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:10:10,362 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:10:10,363 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-12-14 20:10:10,372 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/data/1bbbc253d/58b7342c9bb54cc49d8496573c32b193/FLAG866742042 [2022-12-14 20:10:10,383 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/data/1bbbc253d/58b7342c9bb54cc49d8496573c32b193 [2022-12-14 20:10:10,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:10:10,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:10:10,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:10:10,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:10:10,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:10:10,389 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,390 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14d32f61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10, skipping insertion in model container [2022-12-14 20:10:10,390 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,395 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:10:10,420 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:10:10,653 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-12-14 20:10:10,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:10:10,679 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:10:10,717 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-12-14 20:10:10,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:10:10,756 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:10:10,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10 WrapperNode [2022-12-14 20:10:10,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:10:10,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:10:10,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:10:10,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:10:10,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,801 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 144 [2022-12-14 20:10:10,802 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:10:10,802 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:10:10,802 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:10:10,803 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:10:10,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,821 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,827 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,828 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:10:10,832 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:10:10,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:10:10,833 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:10:10,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:10:10" (1/1) ... [2022-12-14 20:10:10,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:10:10,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:10:10,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:10:10,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:10:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 20:10:10,894 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 20:10:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 20:10:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-14 20:10:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-14 20:10:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:10:10,895 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:10:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:10:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:10:10,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:10:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 20:10:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 20:10:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 20:10:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-14 20:10:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-14 20:10:10,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:10:10,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:10:10,898 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:10:11,019 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:10:11,021 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:10:11,245 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:10:11,336 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:10:11,337 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 20:10:11,337 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-14 20:10:11,338 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-12-14 20:10:11,342 INFO L158 Benchmark]: Toolchain (without parser) took 955.49ms. Allocated memory is still 67.1MB. Free memory was 41.7MB in the beginning and 37.5MB in the end (delta: 4.3MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-12-14 20:10:11,342 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:10:11,343 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.45ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 36.9MB in the end (delta: 4.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2022-12-14 20:10:11,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.35ms. Allocated memory is still 67.1MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:10:11,344 INFO L158 Benchmark]: Boogie Preprocessor took 29.48ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 32.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:10:11,344 INFO L158 Benchmark]: RCFGBuilder took 507.87ms. Allocated memory is still 67.1MB. Free memory was 32.2MB in the beginning and 37.5MB in the end (delta: -5.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-12-14 20:10:11,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 50.3MB. Free memory was 28.8MB in the beginning and 28.7MB in the end (delta: 54.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.45ms. Allocated memory is still 67.1MB. Free memory was 41.6MB in the beginning and 36.9MB in the end (delta: 4.7MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.35ms. Allocated memory is still 67.1MB. Free memory was 36.9MB in the beginning and 34.5MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.48ms. Allocated memory is still 67.1MB. Free memory was 34.3MB in the beginning and 32.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.87ms. Allocated memory is still 67.1MB. Free memory was 32.2MB in the beginning and 37.5MB in the end (delta: -5.3MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:10:11,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3964655-1ee2-47b0-850e-7184f0aaea4f/bin/ukojak-rkRKPMF4O4/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?