./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:31:08,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:31:08,934 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:31:09,010 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:31:09,012 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:31:09,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:31:09,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:31:09,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:31:09,031 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:31:09,042 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:31:09,043 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:31:09,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:31:09,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:31:09,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:31:09,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:31:09,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:31:09,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:31:09,066 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:31:09,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:31:09,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:31:09,085 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:31:09,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:31:09,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:31:09,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:31:09,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:31:09,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:31:09,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:31:09,105 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:31:09,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:31:09,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:31:09,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:31:09,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:31:09,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:31:09,110 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:31:09,112 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:31:09,112 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:31:09,113 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:31:09,114 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:31:09,114 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:31:09,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:31:09,117 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:31:09,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:31:09,152 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:31:09,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:31:09,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:31:09,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:31:09,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:31:09,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:31:09,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:31:09,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:31:09,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:31:09,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:31:09,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:31:09,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:31:09,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:31:09,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:31:09,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:31:09,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:31:09,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:31:09,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:31:09,160 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:31:09,160 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:31:09,160 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:31:09,161 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:09,161 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:31:09,161 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:31:09,162 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:31:09,162 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:31:09,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:31:09,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:31:09,163 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_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2021-11-23 00:31:09,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:31:09,621 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:31:09,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:31:09,626 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:31:09,627 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:31:09,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-23 00:31:09,708 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data/941326d35/cf3ca5e142014b05bc4eb3af5817d349/FLAG2a17a9b63 [2021-11-23 00:31:10,484 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:31:10,485 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-23 00:31:10,502 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data/941326d35/cf3ca5e142014b05bc4eb3af5817d349/FLAG2a17a9b63 [2021-11-23 00:31:10,666 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data/941326d35/cf3ca5e142014b05bc4eb3af5817d349 [2021-11-23 00:31:10,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:31:10,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:31:10,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:10,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:31:10,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:31:10,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,683 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e590d96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:10, skipping insertion in model container [2021-11-23 00:31:10,683 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:10" (1/1) ... [2021-11-23 00:31:10,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:31:10,743 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:31:11,271 WARN L230 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_f513a445-d264-42d6-b390-55104c5f4f38/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-23 00:31:11,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:11,302 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:31:11,383 WARN L230 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_f513a445-d264-42d6-b390-55104c5f4f38/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-23 00:31:11,388 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:11,441 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:31:11,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11 WrapperNode [2021-11-23 00:31:11,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:11,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:11,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:31:11,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:31:11,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,472 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,509 INFO L137 Inliner]: procedures = 171, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 74 [2021-11-23 00:31:11,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:11,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:31:11,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:31:11,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:31:11,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,573 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:31:11,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:31:11,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:31:11,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:31:11,579 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:11" (1/1) ... [2021-11-23 00:31:11,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:11,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:31:11,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:31:11,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:31:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:31:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 00:31:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 00:31:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:31:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:31:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:31:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:31:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:31:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:31:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:31:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:31:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:31:11,699 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:31:11,864 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:31:11,866 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:31:12,093 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:31:12,143 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:31:12,143 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:31:12,145 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L699 is neither atomic block end nor a sink node. [2021-11-23 00:31:12,146 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:304) 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) [2021-11-23 00:31:12,153 INFO L158 Benchmark]: Toolchain (without parser) took 1480.24ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 52.2MB in the beginning and 79.5MB in the end (delta: -27.2MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2021-11-23 00:31:12,154 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 90.2MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:12,155 INFO L158 Benchmark]: CACSL2BoogieTranslator took 767.00ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 52.0MB in the beginning and 96.8MB in the end (delta: -44.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:31:12,156 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.03ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 94.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:12,157 INFO L158 Benchmark]: Boogie Preprocessor took 62.51ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 93.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:12,159 INFO L158 Benchmark]: RCFGBuilder took 575.70ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 79.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:31:12,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 90.2MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 767.00ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 52.0MB in the beginning and 96.8MB in the end (delta: -44.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.03ms. Allocated memory is still 132.1MB. Free memory was 96.2MB in the beginning and 94.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.51ms. Allocated memory is still 132.1MB. Free memory was 94.7MB in the beginning and 93.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.70ms. Allocated memory is still 132.1MB. Free memory was 93.0MB in the beginning and 79.5MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:31:12,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:31:15,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:31:15,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:31:15,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:31:15,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:31:15,405 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:31:15,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:31:15,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:31:15,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:31:15,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:31:15,440 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:31:15,442 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:31:15,443 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:31:15,447 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:31:15,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:31:15,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:31:15,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:31:15,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:31:15,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:31:15,469 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:31:15,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:31:15,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:31:15,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:31:15,483 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:31:15,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:31:15,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:31:15,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:31:15,494 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:31:15,495 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:31:15,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:31:15,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:31:15,499 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:31:15,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:31:15,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:31:15,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:31:15,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:31:15,523 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:31:15,523 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:31:15,523 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:31:15,526 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:31:15,527 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:31:15,528 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:31:15,588 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:31:15,588 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:31:15,590 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:31:15,590 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:31:15,592 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:31:15,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:31:15,593 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:31:15,593 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:31:15,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:31:15,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:31:15,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:31:15,596 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:31:15,596 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:31:15,596 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:31:15,597 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:31:15,597 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:31:15,597 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:31:15,597 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:31:15,598 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:31:15,598 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:31:15,598 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:31:15,599 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:31:15,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:31:15,599 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:15,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:31:15,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:31:15,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:31:15,600 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:31:15,601 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:31:15,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:31:15,601 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:31:15,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:31:15,602 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_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a8bcba962b15df67a0e136eef2e702f216cc120b7626a7b8dc8877f6ecaf3765 [2021-11-23 00:31:16,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:31:16,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:31:16,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:31:16,150 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:31:16,151 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:31:16,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-23 00:31:16,251 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data/66f7c232e/7080e663e0594652a67cf19683e929dd/FLAG60bd56701 [2021-11-23 00:31:17,125 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:31:17,129 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i [2021-11-23 00:31:17,153 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data/66f7c232e/7080e663e0594652a67cf19683e929dd/FLAG60bd56701 [2021-11-23 00:31:17,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/data/66f7c232e/7080e663e0594652a67cf19683e929dd [2021-11-23 00:31:17,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:31:17,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:31:17,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:17,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:31:17,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:31:17,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:17" (1/1) ... [2021-11-23 00:31:17,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22ec5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:17, skipping insertion in model container [2021-11-23 00:31:17,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:31:17" (1/1) ... [2021-11-23 00:31:17,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:31:17,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:31:17,851 WARN L230 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_f513a445-d264-42d6-b390-55104c5f4f38/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-23 00:31:17,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:17,898 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:31:17,963 WARN L230 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_f513a445-d264-42d6-b390-55104c5f4f38/sv-benchmarks/c/pthread-ext/37_stack_lock_p0_vs_concur.i[30726,30739] [2021-11-23 00:31:17,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:31:18,018 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:31:18,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18 WrapperNode [2021-11-23 00:31:18,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:31:18,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:18,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:31:18,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:31:18,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,054 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,100 INFO L137 Inliner]: procedures = 175, calls = 26, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 75 [2021-11-23 00:31:18,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:31:18,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:31:18,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:31:18,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:31:18,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,133 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,157 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,161 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:31:18,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:31:18,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:31:18,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:31:18,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:31:18" (1/1) ... [2021-11-23 00:31:18,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:31:18,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:31:18,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:31:18,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:31:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:31:18,289 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 00:31:18,289 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 00:31:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:31:18,290 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:31:18,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:31:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:31:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:31:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:31:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:31:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 00:31:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:31:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:31:18,294 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 00:31:18,426 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:31:18,428 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:31:18,696 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:31:18,768 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:31:18,769 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:31:18,770 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L699 is neither atomic block end nor a sink node. [2021-11-23 00:31:18,771 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:304) 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) [2021-11-23 00:31:18,777 INFO L158 Benchmark]: Toolchain (without parser) took 1457.37ms. Allocated memory is still 62.9MB. Free memory was 41.0MB in the beginning and 41.5MB in the end (delta: -408.6kB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-11-23 00:31:18,778 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:31:18,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.47ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 37.2MB in the end (delta: 3.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2021-11-23 00:31:18,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.97ms. Allocated memory is still 62.9MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:18,781 INFO L158 Benchmark]: Boogie Preprocessor took 82.59ms. Allocated memory is still 62.9MB. Free memory was 35.1MB in the beginning and 33.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:31:18,782 INFO L158 Benchmark]: RCFGBuilder took 586.16ms. Allocated memory is still 62.9MB. Free memory was 33.2MB in the beginning and 41.5MB in the end (delta: -8.2MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-11-23 00:31:18,786 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 62.9MB. Free memory was 42.7MB in the beginning and 42.7MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.47ms. Allocated memory is still 62.9MB. Free memory was 40.7MB in the beginning and 37.2MB in the end (delta: 3.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.97ms. Allocated memory is still 62.9MB. Free memory was 37.2MB in the beginning and 35.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.59ms. Allocated memory is still 62.9MB. Free memory was 35.1MB in the beginning and 33.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 586.16ms. Allocated memory is still 62.9MB. Free memory was 33.2MB in the beginning and 41.5MB in the end (delta: -8.2MB). Peak memory consumption was 13.7MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:31:18,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f513a445-d264-42d6-b390-55104c5f4f38/bin/ukojak-LBtLqBUTdQ/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?