./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:00:42,749 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:00:42,752 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:00:42,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:00:42,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:00:42,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:00:42,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:00:42,802 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:00:42,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:00:42,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:00:42,808 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:00:42,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:00:42,811 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:00:42,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:00:42,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:00:42,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:00:42,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:00:42,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:00:42,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:00:42,833 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:00:42,835 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:00:42,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:00:42,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:00:42,840 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:00:42,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:00:42,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:00:42,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:00:42,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:00:42,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:00:42,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:00:42,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:00:42,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:00:42,859 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:00:42,860 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:00:42,861 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:00:42,861 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:00:42,862 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:00:42,862 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:00:42,862 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:00:42,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:00:42,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:00:42,866 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:00:42,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:00:42,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:00:42,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:00:42,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:00:42,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:00:42,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:00:42,901 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:00:42,901 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:00:42,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:00:42,902 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:00:42,903 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:00:42,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:00:42,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:00:42,904 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:00:42,904 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:00:42,905 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:00:42,905 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:00:42,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:00:42,905 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:00:42,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:00:42,906 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:00:42,906 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:00:42,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:00:42,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:00:42,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:00:42,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:00:42,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:00:42,908 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:00:42,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:00:42,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:00:42,909 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_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2022-11-20 17:00:43,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:00:43,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:00:43,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:00:43,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:00:43,232 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:00:43,233 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-11-20 17:00:46,399 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:00:46,722 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:00:46,723 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-11-20 17:00:46,737 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/data/a766e3afb/df5ebf91c73b4db48f23d3e48cc70ee9/FLAGbd22d25fb [2022-11-20 17:00:46,755 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/data/a766e3afb/df5ebf91c73b4db48f23d3e48cc70ee9 [2022-11-20 17:00:46,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:00:46,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:00:46,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:00:46,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:00:46,768 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:00:46,769 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:00:46" (1/1) ... [2022-11-20 17:00:46,771 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f72bf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:46, skipping insertion in model container [2022-11-20 17:00:46,771 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:00:46" (1/1) ... [2022-11-20 17:00:46,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:00:46,839 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:00:47,199 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_98bef5f8-7c1a-4a76-864c-82a4e042fca8/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-11-20 17:00:47,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:00:47,228 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:00:47,285 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_98bef5f8-7c1a-4a76-864c-82a4e042fca8/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-11-20 17:00:47,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:00:47,326 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:00:47,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47 WrapperNode [2022-11-20 17:00:47,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:00:47,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:00:47,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:00:47,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:00:47,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,373 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-11-20 17:00:47,374 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:00:47,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:00:47,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:00:47,375 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:00:47,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,398 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,400 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:00:47,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:00:47,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:00:47,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:00:47,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:47" (1/1) ... [2022-11-20 17:00:47,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:00:47,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:00:47,440 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:00:47,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:00:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:00:47,483 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:00:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:00:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:00:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:00:47,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:00:47,484 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:00:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:00:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:00:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:00:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:00:47,485 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-20 17:00:47,485 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-20 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:00:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:00:47,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:00:47,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:00:47,488 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:00:47,637 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:00:47,640 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:00:47,952 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:00:48,073 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:00:48,073 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:00:48,074 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-20 17:00:48,076 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:00:48,080 INFO L158 Benchmark]: Toolchain (without parser) took 1319.48ms. Allocated memory is still 163.6MB. Free memory was 132.2MB in the beginning and 86.2MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-20 17:00:48,081 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 71.3MB in the end (delta: 251.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:00:48,081 INFO L158 Benchmark]: CACSL2BoogieTranslator took 563.25ms. Allocated memory is still 163.6MB. Free memory was 132.0MB in the beginning and 111.7MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:00:48,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.99ms. Allocated memory is still 163.6MB. Free memory was 111.7MB in the beginning and 109.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:00:48,083 INFO L158 Benchmark]: Boogie Preprocessor took 30.07ms. Allocated memory is still 163.6MB. Free memory was 109.7MB in the beginning and 108.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:00:48,083 INFO L158 Benchmark]: RCFGBuilder took 672.94ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 86.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 17:00:48,086 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory was 71.6MB in the beginning and 71.3MB in the end (delta: 251.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 563.25ms. Allocated memory is still 163.6MB. Free memory was 132.0MB in the beginning and 111.7MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.99ms. Allocated memory is still 163.6MB. Free memory was 111.7MB in the beginning and 109.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.07ms. Allocated memory is still 163.6MB. Free memory was 109.7MB in the beginning and 108.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 672.94ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 86.2MB in the end (delta: 21.4MB). 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. [2022-11-20 17:00:48,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:00:50,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:00:50,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:00:50,686 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:00:50,689 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:00:50,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:00:50,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:00:50,698 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:00:50,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:00:50,703 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:00:50,704 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:00:50,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:00:50,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:00:50,711 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:00:50,712 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:00:50,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:00:50,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:00:50,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:00:50,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:00:50,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:00:50,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:00:50,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:00:50,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:00:50,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:00:50,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:00:50,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:00:50,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:00:50,749 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:00:50,749 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:00:50,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:00:50,752 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:00:50,753 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:00:50,754 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:00:50,755 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:00:50,757 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:00:50,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:00:50,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:00:50,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:00:50,759 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:00:50,760 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:00:50,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:00:50,761 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:00:50,798 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:00:50,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:00:50,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:00:50,801 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:00:50,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:00:50,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:00:50,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:00:50,802 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:00:50,803 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:00:50,803 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:00:50,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:00:50,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:00:50,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:00:50,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:00:50,805 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:00:50,806 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:00:50,806 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:00:50,806 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:00:50,806 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:00:50,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:00:50,807 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:00:50,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:00:50,808 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:00:50,808 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:00:50,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:00:50,808 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:00:50,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:00:50,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:00:50,809 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:00:50,810 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:00:50,810 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:00:50,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:00:50,811 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:00:50,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:00:50,811 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_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2022-11-20 17:00:51,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:00:51,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:00:51,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:00:51,265 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:00:51,265 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:00:51,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-11-20 17:00:54,341 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:00:54,591 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:00:54,596 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-11-20 17:00:54,621 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/data/02d601d84/42024fe17525498e913f706a9c0334f6/FLAG1549cbcc2 [2022-11-20 17:00:54,640 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/data/02d601d84/42024fe17525498e913f706a9c0334f6 [2022-11-20 17:00:54,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:00:54,647 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:00:54,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:00:54,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:00:54,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:00:54,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:00:54" (1/1) ... [2022-11-20 17:00:54,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39a71635 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:54, skipping insertion in model container [2022-11-20 17:00:54,659 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:00:54" (1/1) ... [2022-11-20 17:00:54,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:00:54,730 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:00:55,163 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_98bef5f8-7c1a-4a76-864c-82a4e042fca8/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-11-20 17:00:55,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:00:55,202 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:00:55,268 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_98bef5f8-7c1a-4a76-864c-82a4e042fca8/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-11-20 17:00:55,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:00:55,329 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:00:55,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55 WrapperNode [2022-11-20 17:00:55,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:00:55,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:00:55,332 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:00:55,332 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:00:55,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,406 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2022-11-20 17:00:55,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:00:55,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:00:55,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:00:55,408 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:00:55,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,434 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,455 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,464 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,478 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:00:55,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:00:55,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:00:55,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:00:55,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:00:55" (1/1) ... [2022-11-20 17:00:55,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:00:55,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:00:55,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:00:55,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:00:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:00:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 17:00:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 17:00:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 17:00:55,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 17:00:55,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 17:00:55,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 17:00:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:00:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:00:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:00:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:00:55,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:00:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:00:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-20 17:00:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-20 17:00:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 17:00:55,599 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 17:00:55,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:00:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:00:55,601 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:00:55,840 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:00:55,842 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:00:56,191 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:00:56,293 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:00:56,293 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:00:56,294 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-20 17:00:56,295 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 17:00:56,305 INFO L158 Benchmark]: Toolchain (without parser) took 1657.62ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 40.7MB in the beginning and 51.2MB in the end (delta: -10.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-11-20 17:00:56,308 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 69.2MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:00:56,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.82ms. Allocated memory is still 69.2MB. Free memory was 40.5MB in the beginning and 39.1MB in the end (delta: 1.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2022-11-20 17:00:56,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.94ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 36.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:00:56,310 INFO L158 Benchmark]: Boogie Preprocessor took 70.18ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 34.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:00:56,311 INFO L158 Benchmark]: RCFGBuilder took 824.43ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 34.6MB in the beginning and 51.2MB in the end (delta: -16.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-11-20 17:00:56,315 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 69.2MB. Free memory was 46.6MB in the beginning and 46.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 680.82ms. Allocated memory is still 69.2MB. Free memory was 40.5MB in the beginning and 39.1MB in the end (delta: 1.3MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.94ms. Allocated memory is still 69.2MB. Free memory was 39.1MB in the beginning and 36.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.18ms. Allocated memory is still 69.2MB. Free memory was 36.7MB in the beginning and 34.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 824.43ms. Allocated memory was 69.2MB in the beginning and 90.2MB in the end (delta: 21.0MB). Free memory was 34.6MB in the beginning and 51.2MB in the end (delta: -16.6MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:00:56,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98bef5f8-7c1a-4a76-864c-82a4e042fca8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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?