./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4 --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 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:31:33,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:31:33,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:31:33,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:31:33,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:31:33,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:31:33,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:31:33,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:31:33,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:31:33,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:31:33,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:31:33,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:31:33,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:31:33,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:31:33,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:31:33,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:31:33,860 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:31:33,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:31:33,862 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:31:33,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:31:33,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:31:33,867 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:31:33,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:31:33,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:31:33,872 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:31:33,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:31:33,873 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:31:33,874 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:31:33,874 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:31:33,875 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:31:33,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:31:33,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:31:33,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:31:33,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:31:33,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:31:33,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:31:33,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:31:33,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:31:33,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:31:33,880 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:31:33,881 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:31:33,882 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-12-14 20:31:33,903 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:31:33,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:31:33,904 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:31:33,904 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:31:33,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:31:33,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:31:33,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:31:33,905 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:31:33,906 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:31:33,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 20:31:33,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:31:33,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:31:33,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:31:33,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:31:33,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:31:33,907 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:31:33,907 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:31:33,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:31:33,907 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:31:33,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:31:33,908 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:31:33,908 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:31:33,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:31:33,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:31:33,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:31:33,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:31:33,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:31:33,909 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 20:31:33,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 20:31:33,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:31:33,910 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_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 [2022-12-14 20:31:34,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:31:34,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:31:34,111 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:31:34,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:31:34,113 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:31:34,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack.i [2022-12-14 20:31:36,716 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:31:36,900 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:31:36,901 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/sv-benchmarks/c/pthread-ext/25_stack.i [2022-12-14 20:31:36,915 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/data/21a57b8e9/b038bca7dbcd44d18bbd6b3f4d08e50d/FLAG687e95637 [2022-12-14 20:31:37,282 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/data/21a57b8e9/b038bca7dbcd44d18bbd6b3f4d08e50d [2022-12-14 20:31:37,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:31:37,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:31:37,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:31:37,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:31:37,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:31:37,289 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f2d4589 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37, skipping insertion in model container [2022-12-14 20:31:37,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:31:37,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:31:37,514 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_21c10947-8afb-4adf-9635-2826397c244e/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2022-12-14 20:31:37,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:31:37,528 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:31:37,567 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_21c10947-8afb-4adf-9635-2826397c244e/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2022-12-14 20:31:37,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:31:37,594 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:31:37,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37 WrapperNode [2022-12-14 20:31:37,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:31:37,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:31:37,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:31:37,596 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:31:37,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,639 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-12-14 20:31:37,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:31:37,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:31:37,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:31:37,641 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:31:37,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,651 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:31:37,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:31:37,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:31:37,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:31:37,662 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:37" (1/1) ... [2022-12-14 20:31:37,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:31:37,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:31:37,687 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:31:37,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:31:37,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 20:31:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 20:31:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 20:31:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 20:31:37,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-14 20:31:37,723 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-14 20:31:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:31:37,724 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:31:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:31:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:31:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:31:37,724 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-14 20:31:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-14 20:31:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 20:31:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-14 20:31:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-14 20:31:37,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:31:37,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:31:37,727 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:31:37,839 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:31:37,841 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:31:38,041 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:31:38,083 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:31:38,083 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:31:38,084 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-14 20:31:38,084 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 20:31:38,088 INFO L158 Benchmark]: Toolchain (without parser) took 802.07ms. Allocated memory is still 140.5MB. Free memory was 106.9MB in the beginning and 61.0MB in the end (delta: 45.9MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-14 20:31:38,088 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:31:38,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.84ms. Allocated memory is still 140.5MB. Free memory was 106.9MB in the beginning and 86.7MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:31:38,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.89ms. Allocated memory is still 140.5MB. Free memory was 86.7MB in the beginning and 84.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:31:38,089 INFO L158 Benchmark]: Boogie Preprocessor took 20.13ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 82.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 20:31:38,090 INFO L158 Benchmark]: RCFGBuilder took 425.27ms. Allocated memory is still 140.5MB. Free memory was 82.5MB in the beginning and 61.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-12-14 20:31:38,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 140.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.84ms. Allocated memory is still 140.5MB. Free memory was 106.9MB in the beginning and 86.7MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.89ms. Allocated memory is still 140.5MB. Free memory was 86.7MB in the beginning and 84.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.13ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 82.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 425.27ms. Allocated memory is still 140.5MB. Free memory was 82.5MB in the beginning and 61.0MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:31:38,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4 --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 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 20:31:39,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 20:31:39,968 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 20:31:39,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 20:31:39,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 20:31:39,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 20:31:39,982 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 20:31:39,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 20:31:39,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 20:31:39,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 20:31:39,985 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 20:31:39,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 20:31:39,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 20:31:39,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 20:31:39,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 20:31:39,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 20:31:39,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 20:31:39,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 20:31:39,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 20:31:39,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 20:31:39,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 20:31:40,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 20:31:40,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 20:31:40,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 20:31:40,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 20:31:40,003 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 20:31:40,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 20:31:40,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 20:31:40,004 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 20:31:40,005 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 20:31:40,005 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 20:31:40,005 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 20:31:40,006 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 20:31:40,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 20:31:40,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 20:31:40,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 20:31:40,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 20:31:40,007 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 20:31:40,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 20:31:40,008 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 20:31:40,008 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 20:31:40,009 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-12-14 20:31:40,024 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 20:31:40,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 20:31:40,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 20:31:40,024 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 20:31:40,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 20:31:40,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 20:31:40,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 20:31:40,025 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 20:31:40,025 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 20:31:40,025 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 20:31:40,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 20:31:40,026 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 20:31:40,027 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 20:31:40,027 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 20:31:40,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 20:31:40,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:31:40,027 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 20:31:40,027 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 20:31:40,027 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 20:31:40,027 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 20:31:40,027 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 20:31:40,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 20:31:40,027 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-14 20:31:40,028 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 20:31:40,028 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_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 [2022-12-14 20:31:40,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 20:31:40,288 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 20:31:40,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 20:31:40,291 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 20:31:40,291 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 20:31:40,292 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread-ext/25_stack.i [2022-12-14 20:31:42,934 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 20:31:43,102 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 20:31:43,102 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/sv-benchmarks/c/pthread-ext/25_stack.i [2022-12-14 20:31:43,110 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/data/ab65304a0/8e2cbae05461437ab07c9c55b11a4517/FLAG5f10e06cc [2022-12-14 20:31:43,120 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/data/ab65304a0/8e2cbae05461437ab07c9c55b11a4517 [2022-12-14 20:31:43,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 20:31:43,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 20:31:43,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 20:31:43,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 20:31:43,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 20:31:43,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f1a5cd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43, skipping insertion in model container [2022-12-14 20:31:43,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,133 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 20:31:43,156 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 20:31:43,382 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_21c10947-8afb-4adf-9635-2826397c244e/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2022-12-14 20:31:43,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:31:43,399 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 20:31:43,427 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_21c10947-8afb-4adf-9635-2826397c244e/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2022-12-14 20:31:43,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 20:31:43,454 INFO L208 MainTranslator]: Completed translation [2022-12-14 20:31:43,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43 WrapperNode [2022-12-14 20:31:43,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 20:31:43,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 20:31:43,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 20:31:43,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 20:31:43,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,487 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2022-12-14 20:31:43,487 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 20:31:43,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 20:31:43,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 20:31:43,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 20:31:43,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,495 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,505 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,506 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 20:31:43,521 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 20:31:43,521 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 20:31:43,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 20:31:43,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 08:31:43" (1/1) ... [2022-12-14 20:31:43,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 20:31:43,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 20:31:43,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 20:31:43,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 20:31:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-14 20:31:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-12-14 20:31:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-12-14 20:31:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-12-14 20:31:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-12-14 20:31:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-14 20:31:43,580 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-14 20:31:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 20:31:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 20:31:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 20:31:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-14 20:31:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-14 20:31:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-14 20:31:43,580 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-12-14 20:31:43,581 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-12-14 20:31:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-12-14 20:31:43,581 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-12-14 20:31:43,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 20:31:43,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 20:31:43,582 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-14 20:31:43,691 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 20:31:43,692 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 20:31:43,885 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 20:31:43,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 20:31:43,927 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 20:31:43,928 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: $Ultimate##0 is neither atomic block end nor a sink node. [2022-12-14 20:31:43,928 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-14 20:31:43,932 INFO L158 Benchmark]: Toolchain (without parser) took 808.12ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 24.0MB in the beginning and 44.5MB in the end (delta: -20.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-12-14 20:31:43,932 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 20:31:43,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.27ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 23.8MB in the beginning and 33.9MB in the end (delta: -10.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2022-12-14 20:31:43,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.33ms. Allocated memory is still 69.2MB. Free memory was 33.9MB in the beginning and 31.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 20:31:43,934 INFO L158 Benchmark]: Boogie Preprocessor took 33.37ms. Allocated memory is still 69.2MB. Free memory was 31.6MB in the beginning and 49.0MB in the end (delta: -17.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2022-12-14 20:31:43,934 INFO L158 Benchmark]: RCFGBuilder took 409.30ms. Allocated memory is still 69.2MB. Free memory was 49.0MB in the beginning and 44.5MB in the end (delta: 4.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-12-14 20:31:43,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 33.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.27ms. Allocated memory was 54.5MB in the beginning and 69.2MB in the end (delta: 14.7MB). Free memory was 23.8MB in the beginning and 33.9MB in the end (delta: -10.1MB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.33ms. Allocated memory is still 69.2MB. Free memory was 33.9MB in the beginning and 31.6MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.37ms. Allocated memory is still 69.2MB. Free memory was 31.6MB in the beginning and 49.0MB in the end (delta: -17.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * RCFGBuilder took 409.30ms. Allocated memory is still 69.2MB. Free memory was 49.0MB in the beginning and 44.5MB in the end (delta: 4.5MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-14 20:31:43,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_21c10947-8afb-4adf-9635-2826397c244e/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?