./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 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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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 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-b5237d8 [2022-11-21 22:46:31,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:46:31,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:46:31,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:46:31,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:46:31,315 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:46:31,316 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:46:31,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:46:31,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:46:31,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:46:31,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:46:31,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:46:31,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:46:31,323 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:46:31,324 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:46:31,325 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:46:31,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:46:31,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:46:31,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:46:31,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:46:31,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:46:31,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:46:31,352 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:46:31,353 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:46:31,363 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:46:31,363 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:46:31,364 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:46:31,365 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:46:31,366 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:46:31,367 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:46:31,367 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:46:31,368 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:46:31,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:46:31,372 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:46:31,374 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:46:31,374 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:46:31,375 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:46:31,376 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:46:31,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:46:31,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:46:31,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:46:31,379 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:46:31,420 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:46:31,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:46:31,422 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:46:31,422 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:46:31,423 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:46:31,423 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:46:31,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:46:31,424 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:46:31,424 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:46:31,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:46:31,425 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:46:31,425 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:46:31,425 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:46:31,426 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:46:31,426 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:46:31,426 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:46:31,426 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:46:31,426 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:46:31,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:46:31,427 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:46:31,427 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:46:31,427 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:46:31,427 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:46:31,427 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:31,428 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:46:31,428 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:46:31,428 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:46:31,428 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:46:31,429 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:46:31,429 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:46:31,429 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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2022-11-21 22:46:31,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:46:31,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:46:31,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:46:31,859 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:46:31,859 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:46:31,861 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-21 22:46:34,873 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:46:35,198 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:46:35,199 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-21 22:46:35,212 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/data/a81461040/b48024c1b04844689dc3b5248baada12/FLAG7b3e04eea [2022-11-21 22:46:35,234 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/data/a81461040/b48024c1b04844689dc3b5248baada12 [2022-11-21 22:46:35,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:46:35,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:46:35,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:35,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:46:35,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:46:35,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60dafa58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35, skipping insertion in model container [2022-11-21 22:46:35,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:46:35,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:46:35,674 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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-21 22:46:35,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:35,709 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:46:35,770 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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-21 22:46:35,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:35,813 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:46:35,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35 WrapperNode [2022-11-21 22:46:35,814 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:35,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:35,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:46:35,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:46:35,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,837 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,863 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-11-21 22:46:35,864 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:35,865 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:46:35,865 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:46:35,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:46:35,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,876 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,888 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,890 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,891 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:46:35,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:46:35,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:46:35,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:46:35,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:35" (1/1) ... [2022-11-21 22:46:35,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:35,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:46:35,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:46:35,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:46:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:46:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:46:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:46:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:46:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 22:46:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 22:46:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:46:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:46:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:46:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:46:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:46:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-21 22:46:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-21 22:46:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:46:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:46:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:46:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:46:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:46:35,992 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 22:46:36,159 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:46:36,161 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:46:36,564 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:46:36,725 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:46:36,726 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:46:36,727 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-21 22:46:36,727 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 22:46:36,731 INFO L158 Benchmark]: Toolchain (without parser) took 1492.59ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 89.0MB in the beginning and 160.6MB in the end (delta: -71.7MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-11-21 22:46:36,732 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory was 107.1MB in the beginning and 106.9MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:46:36,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.52ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 68.5MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:46:36,733 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.21ms. Allocated memory is still 134.2MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:36,734 INFO L158 Benchmark]: Boogie Preprocessor took 29.55ms. Allocated memory is still 134.2MB. Free memory was 66.4MB in the beginning and 64.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:36,734 INFO L158 Benchmark]: RCFGBuilder took 835.05ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 64.8MB in the beginning and 160.6MB in the end (delta: -95.8MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2022-11-21 22:46:36,746 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory was 107.1MB in the beginning and 106.9MB in the end (delta: 159.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.52ms. Allocated memory is still 134.2MB. Free memory was 89.0MB in the beginning and 68.5MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.21ms. Allocated memory is still 134.2MB. Free memory was 68.5MB in the beginning and 66.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.55ms. Allocated memory is still 134.2MB. Free memory was 66.4MB in the beginning and 64.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 835.05ms. Allocated memory was 134.2MB in the beginning and 192.9MB in the end (delta: 58.7MB). Free memory was 64.8MB in the beginning and 160.6MB in the end (delta: -95.8MB). Peak memory consumption was 30.4MB. 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 22:46:36,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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 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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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 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-b5237d8 [2022-11-21 22:46:39,350 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:46:39,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:46:39,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:46:39,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:46:39,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:46:39,419 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:46:39,422 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:46:39,424 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:46:39,430 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:46:39,431 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:46:39,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:46:39,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:46:39,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:46:39,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:46:39,445 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:46:39,446 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:46:39,447 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:46:39,449 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:46:39,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:46:39,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:46:39,460 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:46:39,461 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:46:39,462 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:46:39,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:46:39,471 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:46:39,471 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:46:39,473 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:46:39,474 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:46:39,475 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:46:39,475 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:46:39,476 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:46:39,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:46:39,479 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:46:39,480 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:46:39,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:46:39,481 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:46:39,481 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:46:39,482 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:46:39,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:46:39,483 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:46:39,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:46:39,524 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:46:39,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:46:39,525 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:46:39,526 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:46:39,526 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:46:39,527 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:46:39,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:46:39,527 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:46:39,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:46:39,528 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:46:39,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:46:39,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:46:39,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:46:39,529 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:46:39,529 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:46:39,529 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:46:39,529 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:46:39,530 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:46:39,530 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:46:39,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:46:39,530 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:46:39,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:46:39,531 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:46:39,531 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:46:39,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:46:39,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:39,532 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:46:39,532 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:46:39,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:46:39,533 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:46:39,533 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:46:39,533 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:46:39,534 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:46:39,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:46:39,534 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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2022-11-21 22:46:39,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:46:39,995 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:46:39,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:46:40,000 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:46:40,000 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:46:40,002 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-21 22:46:43,136 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:46:43,484 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:46:43,485 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-21 22:46:43,501 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/data/3e6c45706/e03256bb02b44e87892715d20116c38d/FLAGb4b759ea7 [2022-11-21 22:46:43,711 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/data/3e6c45706/e03256bb02b44e87892715d20116c38d [2022-11-21 22:46:43,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:46:43,715 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:46:43,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:43,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:46:43,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:46:43,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:43" (1/1) ... [2022-11-21 22:46:43,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@444ad4a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:43, skipping insertion in model container [2022-11-21 22:46:43,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:46:43" (1/1) ... [2022-11-21 22:46:43,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:46:43,771 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:46:44,219 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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-21 22:46:44,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:44,252 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:46:44,350 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_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-21 22:46:44,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:46:44,418 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:46:44,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44 WrapperNode [2022-11-21 22:46:44,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:46:44,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:44,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:46:44,421 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:46:44,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,501 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2022-11-21 22:46:44,502 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:46:44,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:46:44,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:46:44,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:46:44,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,558 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,561 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,563 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:46:44,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:46:44,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:46:44,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:46:44,574 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:46:44" (1/1) ... [2022-11-21 22:46:44,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:46:44,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:46:44,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:46:44,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:46:44,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:46:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:46:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:46:44,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 22:46:44,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 22:46:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:46:44,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:46:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:46:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:46:44,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:46:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:46:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:46:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 22:46:44,664 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-21 22:46:44,664 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-21 22:46:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:46:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:46:44,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:46:44,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:46:44,667 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 22:46:44,902 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:46:44,904 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:46:45,308 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:46:45,391 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:46:45,391 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:46:45,392 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-21 22:46:45,393 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 22:46:45,397 INFO L158 Benchmark]: Toolchain (without parser) took 1681.35ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 43.0MB in the beginning and 54.3MB in the end (delta: -11.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2022-11-21 22:46:45,398 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 67.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:46:45,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 700.96ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 54.6MB in the end (delta: -11.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-21 22:46:45,399 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.97ms. Allocated memory is still 83.9MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:45,400 INFO L158 Benchmark]: Boogie Preprocessor took 69.65ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:46:45,401 INFO L158 Benchmark]: RCFGBuilder took 823.17ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 54.3MB in the end (delta: -4.2MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-11-21 22:46:45,403 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 67.1MB. Free memory was 45.2MB in the beginning and 45.1MB in the end (delta: 49.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 700.96ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 54.6MB in the end (delta: -11.8MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.97ms. Allocated memory is still 83.9MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.65ms. Allocated memory is still 83.9MB. Free memory was 52.5MB in the beginning and 50.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 823.17ms. Allocated memory is still 83.9MB. Free memory was 50.1MB in the beginning and 54.3MB in the end (delta: -4.2MB). Peak memory consumption was 20.3MB. 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 22:46:45,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_89d899cd-3788-4bf3-a2db-5fa8653f9e5a/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?