./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 b5237d83 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_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --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 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-b5237d8 [2022-11-21 22:46:11,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:46:11,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:46:11,162 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:46:11,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:46:11,164 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:46:11,165 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:46:11,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:46:11,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:46:11,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:46:11,184 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:46:11,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:46:11,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:46:11,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:46:11,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:46:11,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:46:11,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:46:11,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:46:11,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:46:11,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:46:11,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:46:11,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:46:11,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:46:11,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:46:11,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:46:11,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:46:11,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:46:11,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:46:11,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:46:11,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:46:11,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:46:11,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:46:11,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:46:11,233 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:46:11,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:46:11,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:46:11,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:46:11,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:46:11,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:46:11,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:46:11,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:46:11,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:46:11,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:46:11,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:46:11,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:46:11,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:46:11,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:46:11,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:46:11,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:46:11,280 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:46:11,280 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:46:11,280 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:46:11,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:46:11,282 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:46:11,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:46:11,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:46:11,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:46:11,290 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:46:11,290 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:46:11,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:46:11,291 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:46:11,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:46:11,291 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:46:11,291 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:46:11,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:46:11,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:11,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:46:11,292 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:46:11,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:46:11,293 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:46:11,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:46:11,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:46:11,295 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_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-11-21 22:46:11,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:46:11,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:46:11,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:46:11,703 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:46:11,703 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:46:11,704 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-21 22:46:14,713 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:46:14,950 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:46:14,950 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-21 22:46:14,964 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/data/d4d804afe/1d86b673c99845a8964488e4a1de52dd/FLAG445a58625 [2022-11-21 22:46:14,979 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/data/d4d804afe/1d86b673c99845a8964488e4a1de52dd [2022-11-21 22:46:14,981 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:46:14,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:46:14,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:14,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:46:14,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:46:14,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:14" (1/1) ... [2022-11-21 22:46:14,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c2d2c37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:14, skipping insertion in model container [2022-11-21 22:46:14,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:14" (1/1) ... [2022-11-21 22:46:14,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:46:15,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:46:15,467 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_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-21 22:46:15,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:15,501 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:46:15,583 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_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-21 22:46:15,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:15,631 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:46:15,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15 WrapperNode [2022-11-21 22:46:15,632 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:15,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:15,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:46:15,634 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:46:15,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,710 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 157 [2022-11-21 22:46:15,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:15,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:46:15,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:46:15,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:46:15,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:46:15,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:46:15,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:46:15,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:46:15,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:15" (1/1) ... [2022-11-21 22:46:15,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:15,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:46:15,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:46:15,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:46:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:46:15,864 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:46:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:46:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:46:15,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 22:46:15,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 22:46:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:46:15,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:46:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:46:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:46:15,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:46:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:46:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:46:15,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:46:15,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:46:15,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:46:15,869 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:46:16,076 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:46:16,079 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:46:16,532 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:46:16,695 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:46:16,695 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:46:16,696 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-21 22:46:16,697 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) [2022-11-21 22:46:16,702 INFO L158 Benchmark]: Toolchain (without parser) took 1718.20ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 92.2MB in the beginning and 128.4MB in the end (delta: -36.2MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2022-11-21 22:46:16,703 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory was 107.1MB in the beginning and 107.0MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:46:16,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 648.53ms. Allocated memory is still 138.4MB. Free memory was 91.8MB in the beginning and 71.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 22:46:16,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.52ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 69.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:16,705 INFO L158 Benchmark]: Boogie Preprocessor took 60.93ms. Allocated memory is still 138.4MB. Free memory was 69.1MB in the beginning and 67.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:16,705 INFO L158 Benchmark]: RCFGBuilder took 926.70ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 67.4MB in the beginning and 128.4MB in the end (delta: -61.0MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-11-21 22:46:16,709 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 138.4MB. Free memory was 107.1MB in the beginning and 107.0MB in the end (delta: 69.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 648.53ms. Allocated memory is still 138.4MB. Free memory was 91.8MB in the beginning and 71.5MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.52ms. Allocated memory is still 138.4MB. Free memory was 71.5MB in the beginning and 69.1MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.93ms. Allocated memory is still 138.4MB. Free memory was 69.1MB in the beginning and 67.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 926.70ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 67.4MB in the beginning and 128.4MB in the end (delta: -61.0MB). Peak memory consumption was 25.3MB. 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. [2022-11-21 22:46:16,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/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 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_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --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 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-b5237d8 [2022-11-21 22:46:19,192 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:46:19,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:46:19,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:46:19,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:46:19,223 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:46:19,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:46:19,235 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:46:19,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:46:19,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:46:19,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:46:19,249 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:46:19,249 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:46:19,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:46:19,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:46:19,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:46:19,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:46:19,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:46:19,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:46:19,267 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:46:19,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:46:19,270 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:46:19,271 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:46:19,272 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:46:19,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:46:19,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:46:19,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:46:19,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:46:19,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:46:19,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:46:19,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:46:19,279 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:46:19,280 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:46:19,281 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:46:19,282 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:46:19,282 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:46:19,283 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:46:19,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:46:19,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:46:19,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:46:19,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:46:19,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:46:19,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:46:19,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:46:19,331 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:46:19,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:46:19,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:46:19,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:46:19,333 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:46:19,333 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:46:19,333 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:46:19,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:46:19,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:46:19,334 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:46:19,334 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:46:19,334 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:46:19,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:46:19,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:46:19,335 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:46:19,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:46:19,336 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:46:19,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:46:19,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:46:19,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:46:19,336 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:46:19,337 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:46:19,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:46:19,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:19,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:46:19,338 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:46:19,338 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:46:19,338 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:46:19,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:46:19,339 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:46:19,339 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:46:19,339 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:46:19,339 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_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fa97ad6141e9aa8818b694f4968e766701fe7261f516cd86f7a15e5cf1a3d14d [2022-11-21 22:46:19,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:46:19,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:46:19,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:46:19,762 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:46:19,763 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:46:19,765 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-21 22:46:23,020 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:46:23,325 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:46:23,326 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/sv-benchmarks/c/pthread-ext/26_stack_cas.i [2022-11-21 22:46:23,358 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/data/fd750db65/ea8031e670c24c468ce157a838b3e777/FLAG9931a160e [2022-11-21 22:46:23,379 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/data/fd750db65/ea8031e670c24c468ce157a838b3e777 [2022-11-21 22:46:23,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:46:23,386 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:46:23,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:23,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:46:23,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:46:23,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:23" (1/1) ... [2022-11-21 22:46:23,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed27e45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:23, skipping insertion in model container [2022-11-21 22:46:23,400 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:23" (1/1) ... [2022-11-21 22:46:23,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:46:23,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:46:23,978 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_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-21 22:46:23,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:24,015 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:46:24,070 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_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/sv-benchmarks/c/pthread-ext/26_stack_cas.i[31152,31165] [2022-11-21 22:46:24,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:24,112 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:46:24,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24 WrapperNode [2022-11-21 22:46:24,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:24,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:24,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:46:24,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:46:24,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,186 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 154 [2022-11-21 22:46:24,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:24,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:46:24,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:46:24,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:46:24,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,200 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,216 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,231 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:46:24,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:46:24,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:46:24,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:46:24,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:24" (1/1) ... [2022-11-21 22:46:24,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:24,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:46:24,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:46:24,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:46:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:46:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:46:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:46:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 22:46:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 22:46:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:46:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:46:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:46:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:46:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:46:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:46:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:46:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 22:46:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:46:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:46:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:46:24,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:46:24,338 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:46:24,507 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:46:24,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:46:24,958 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:46:25,095 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:46:25,095 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:46:25,096 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-21 22:46:25,097 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) [2022-11-21 22:46:25,109 INFO L158 Benchmark]: Toolchain (without parser) took 1721.93ms. Allocated memory is still 77.6MB. Free memory was 35.9MB in the beginning and 29.9MB in the end (delta: 6.0MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-11-21 22:46:25,109 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:46:25,110 INFO L158 Benchmark]: CACSL2BoogieTranslator took 722.03ms. Allocated memory is still 77.6MB. Free memory was 35.6MB in the beginning and 40.4MB in the end (delta: -4.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-21 22:46:25,126 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.59ms. Allocated memory is still 77.6MB. Free memory was 40.4MB in the beginning and 37.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:25,126 INFO L158 Benchmark]: Boogie Preprocessor took 50.30ms. Allocated memory is still 77.6MB. Free memory was 37.8MB in the beginning and 35.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:25,127 INFO L158 Benchmark]: RCFGBuilder took 869.52ms. Allocated memory is still 77.6MB. Free memory was 35.7MB in the beginning and 29.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2022-11-21 22:46:25,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 77.6MB. Free memory is still 56.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 722.03ms. Allocated memory is still 77.6MB. Free memory was 35.6MB in the beginning and 40.4MB in the end (delta: -4.8MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.59ms. Allocated memory is still 77.6MB. Free memory was 40.4MB in the beginning and 37.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.30ms. Allocated memory is still 77.6MB. Free memory was 37.8MB in the beginning and 35.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 869.52ms. Allocated memory is still 77.6MB. Free memory was 35.7MB in the beginning and 29.9MB in the end (delta: 5.8MB). Peak memory consumption was 6.7MB. 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. [2022-11-21 22:46:25,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_14be0e52-46a3-42ee-907f-e07b5dcd5ab0/bin/ukojak-jW3SillKbg/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?