./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ --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 dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 --- 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-6b4ec56 [2022-11-20 17:20:36,312 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:20:36,314 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:20:36,335 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:20:36,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:20:36,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:20:36,338 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:20:36,340 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:20:36,341 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:20:36,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:20:36,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:20:36,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:20:36,345 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:20:36,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:20:36,348 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:20:36,349 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:20:36,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:20:36,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:20:36,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:20:36,354 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:20:36,356 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:20:36,357 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:20:36,358 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:20:36,359 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:20:36,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:20:36,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:20:36,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:20:36,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:20:36,365 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:20:36,366 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:20:36,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:20:36,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:20:36,368 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:20:36,369 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:20:36,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:20:36,371 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:20:36,372 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:20:36,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:20:36,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:20:36,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:20:36,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:20:36,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:20:36,398 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:20:36,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:20:36,399 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:20:36,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:20:36,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:20:36,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:20:36,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:20:36,400 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:20:36,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:20:36,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:20:36,401 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:20:36,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:20:36,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:20:36,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:20:36,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:20:36,402 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:20:36,402 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:20:36,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:20:36,402 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:20:36,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:20:36,403 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:20:36,403 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:20:36,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:20:36,403 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:36,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:20:36,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:20:36,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:20:36,404 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:20:36,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:20:36,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:20:36,405 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_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2022-11-20 17:20:36,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:20:36,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:20:36,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:20:36,748 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:20:36,748 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:20:36,750 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-20 17:20:39,882 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:20:40,218 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:20:40,224 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-20 17:20:40,241 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/data/ffc2ce87b/81a80851d2c643a89e4adf230b142a0c/FLAGf5147235a [2022-11-20 17:20:40,262 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/data/ffc2ce87b/81a80851d2c643a89e4adf230b142a0c [2022-11-20 17:20:40,267 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:20:40,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:20:40,271 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:40,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:20:40,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:20:40,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67eba580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40, skipping insertion in model container [2022-11-20 17:20:40,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:20:40,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:20:40,672 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_b264bfda-a0f9-4473-a361-fbd60458d93c/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-20 17:20:40,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:40,693 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:20:40,731 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_b264bfda-a0f9-4473-a361-fbd60458d93c/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-20 17:20:40,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:40,777 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:20:40,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40 WrapperNode [2022-11-20 17:20:40,778 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:40,779 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:40,779 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:20:40,780 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:20:40,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,836 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-11-20 17:20:40,837 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:40,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:20:40,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:20:40,838 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:20:40,848 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,885 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:20:40,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:20:40,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:20:40,891 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:20:40,892 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:40" (1/1) ... [2022-11-20 17:20:40,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:40,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:20:40,936 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:20:40,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:20:40,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:20:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:20:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:20:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:20:40,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:20:40,987 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:20:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:20:40,988 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:20:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:20:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:20:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:20:40,988 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-20 17:20:40,989 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-20 17:20:40,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:20:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:20:40,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:20:40,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:20:40,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:20:40,993 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:20:41,149 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:20:41,152 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:20:41,469 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:20:41,571 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:20:41,571 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:20:41,572 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-20 17:20:41,573 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) [2022-11-20 17:20:41,578 INFO L158 Benchmark]: Toolchain (without parser) took 1308.20ms. Allocated memory is still 151.0MB. Free memory was 109.9MB in the beginning and 64.3MB in the end (delta: 45.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:41,578 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory was 122.1MB in the beginning and 121.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:20:41,579 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.42ms. Allocated memory is still 151.0MB. Free memory was 109.9MB in the beginning and 89.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:20:41,580 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.81ms. Allocated memory is still 151.0MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:41,581 INFO L158 Benchmark]: Boogie Preprocessor took 52.31ms. Allocated memory is still 151.0MB. Free memory was 87.3MB in the beginning and 85.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:20:41,581 INFO L158 Benchmark]: RCFGBuilder took 685.60ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 64.3MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:41,584 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory was 122.1MB in the beginning and 121.9MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 507.42ms. Allocated memory is still 151.0MB. Free memory was 109.9MB in the beginning and 89.4MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.81ms. Allocated memory is still 151.0MB. Free memory was 89.4MB in the beginning and 87.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.31ms. Allocated memory is still 151.0MB. Free memory was 87.3MB in the beginning and 85.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 685.60ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 64.3MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. 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. [2022-11-20 17:20:41,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/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_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ --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 dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 --- 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-6b4ec56 [2022-11-20 17:20:44,209 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:20:44,214 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:20:44,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:20:44,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:20:44,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:20:44,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:20:44,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:20:44,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:20:44,291 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:20:44,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:20:44,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:20:44,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:20:44,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:20:44,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:20:44,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:20:44,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:20:44,309 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:20:44,311 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:20:44,315 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:20:44,318 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:20:44,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:20:44,323 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:20:44,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:20:44,334 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:20:44,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:20:44,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:20:44,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:20:44,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:20:44,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:20:44,340 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:20:44,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:20:44,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:20:44,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:20:44,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:20:44,346 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:20:44,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:20:44,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:20:44,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:20:44,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:20:44,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:20:44,350 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:20:44,388 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:20:44,389 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:20:44,390 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:20:44,390 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:20:44,391 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:20:44,392 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:20:44,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:20:44,392 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:20:44,392 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:20:44,393 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:20:44,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:20:44,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:20:44,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:20:44,395 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:20:44,395 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:20:44,395 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:20:44,395 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:20:44,395 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:20:44,396 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:20:44,396 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:20:44,396 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:20:44,396 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:20:44,397 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:20:44,397 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:20:44,397 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:20:44,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:44,398 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:20:44,398 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:20:44,398 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:20:44,398 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:20:44,399 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:20:44,399 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:20:44,399 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:20:44,400 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:20:44,400 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_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2022-11-20 17:20:44,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:20:44,856 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:20:44,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:20:44,860 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:20:44,861 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:20:44,863 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-20 17:20:48,261 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:20:48,534 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:20:48,535 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-20 17:20:48,548 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/data/754297fd0/4b4fa70a2c514804bda76a11a49a869d/FLAG9dfc494f8 [2022-11-20 17:20:48,569 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/data/754297fd0/4b4fa70a2c514804bda76a11a49a869d [2022-11-20 17:20:48,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:20:48,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:20:48,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:48,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:20:48,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:20:48,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:48" (1/1) ... [2022-11-20 17:20:48,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f2eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:48, skipping insertion in model container [2022-11-20 17:20:48,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:20:48" (1/1) ... [2022-11-20 17:20:48,595 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:20:48,638 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:20:49,085 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_b264bfda-a0f9-4473-a361-fbd60458d93c/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-20 17:20:49,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:49,121 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:20:49,189 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_b264bfda-a0f9-4473-a361-fbd60458d93c/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-20 17:20:49,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:20:49,278 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:20:49,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49 WrapperNode [2022-11-20 17:20:49,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:20:49,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:49,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:20:49,281 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:20:49,289 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,364 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2022-11-20 17:20:49,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:20:49,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:20:49,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:20:49,366 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:20:49,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,400 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,407 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:20:49,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:20:49,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:20:49,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:20:49,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:20:49" (1/1) ... [2022-11-20 17:20:49,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:20:49,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:20:49,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:20:49,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:20:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:20:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:20:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:20:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:20:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:20:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:20:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:20:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:20:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:20:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:20:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:20:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:20:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:20:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-20 17:20:49,494 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-20 17:20:49,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:20:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:20:49,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:20:49,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:20:49,497 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:20:49,649 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:20:49,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:20:50,068 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:20:50,174 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:20:50,174 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:20:50,175 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-20 17:20:50,176 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) [2022-11-20 17:20:50,181 INFO L158 Benchmark]: Toolchain (without parser) took 1606.63ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 51.6MB in the beginning and 70.8MB in the end (delta: -19.2MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2022-11-20 17:20:50,181 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 75.5MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:20:50,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 704.46ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.9MB in the end (delta: -437.2kB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2022-11-20 17:20:50,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.26ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 49.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:50,183 INFO L158 Benchmark]: Boogie Preprocessor took 47.21ms. Allocated memory is still 75.5MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:20:50,184 INFO L158 Benchmark]: RCFGBuilder took 765.87ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 47.4MB in the beginning and 70.8MB in the end (delta: -23.4MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2022-11-20 17:20:50,187 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 75.5MB. Free memory is still 52.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 704.46ms. Allocated memory is still 75.5MB. Free memory was 51.4MB in the beginning and 51.9MB in the end (delta: -437.2kB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.26ms. Allocated memory is still 75.5MB. Free memory was 51.6MB in the beginning and 49.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.21ms. Allocated memory is still 75.5MB. Free memory was 49.5MB in the beginning and 47.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 765.87ms. Allocated memory was 75.5MB in the beginning and 100.7MB in the end (delta: 25.2MB). Free memory was 47.4MB in the beginning and 70.8MB in the end (delta: -23.4MB). Peak memory consumption was 21.6MB. 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. [2022-11-20 17:20:50,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b264bfda-a0f9-4473-a361-fbd60458d93c/bin/ukojak-pZX7IvK2PQ/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?