./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL --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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:07:02,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:07:02,051 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:07:02,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:07:02,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:07:02,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:07:02,104 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:07:02,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:07:02,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:07:02,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:07:02,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:07:02,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:07:02,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:07:02,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:07:02,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:07:02,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:07:02,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:07:02,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:07:02,125 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:07:02,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:07:02,133 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:07:02,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:07:02,139 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:07:02,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:07:02,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:07:02,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:07:02,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:07:02,147 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:07:02,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:07:02,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:07:02,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:07:02,151 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:07:02,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:07:02,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:07:02,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:07:02,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:07:02,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:07:02,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:07:02,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:07:02,158 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:07:02,159 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:07:02,160 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 06:07:02,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:07:02,205 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:07:02,206 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:07:02,207 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:07:02,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:07:02,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:07:02,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:07:02,209 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:07:02,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 06:07:02,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:07:02,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:07:02,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:07:02,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:07:02,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:07:02,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:07:02,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:07:02,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:07:02,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:07:02,213 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:07:02,213 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:07:02,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:07:02,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:02,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:07:02,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:07:02,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:07:02,215 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 06:07:02,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 06:07:02,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:07:02,215 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_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2021-11-25 06:07:02,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:07:02,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:07:02,496 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:07:02,497 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:07:02,499 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:07:02,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread/stack-2.i [2021-11-25 06:07:02,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data/25fa9ee8f/0d67922bba7a40dbbc033848fe0ec9a7/FLAG16da4f449 [2021-11-25 06:07:03,247 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:07:03,247 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/sv-benchmarks/c/pthread/stack-2.i [2021-11-25 06:07:03,273 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data/25fa9ee8f/0d67922bba7a40dbbc033848fe0ec9a7/FLAG16da4f449 [2021-11-25 06:07:03,471 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data/25fa9ee8f/0d67922bba7a40dbbc033848fe0ec9a7 [2021-11-25 06:07:03,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:07:03,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:07:03,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:03,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:07:03,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:07:03,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:03" (1/1) ... [2021-11-25 06:07:03,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ff5a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:03, skipping insertion in model container [2021-11-25 06:07:03,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:03" (1/1) ... [2021-11-25 06:07:03,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:07:03,549 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:07:04,076 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_e8c79476-7059-4753-b179-4a231103a2f5/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-25 06:07:04,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:04,149 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:07:04,216 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_e8c79476-7059-4753-b179-4a231103a2f5/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-25 06:07:04,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:04,299 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:07:04,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04 WrapperNode [2021-11-25 06:07:04,299 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:04,300 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:04,300 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:07:04,300 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:07:04,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,344 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,375 INFO L137 Inliner]: procedures = 277, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 147 [2021-11-25 06:07:04,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:04,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:07:04,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:07:04,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:07:04,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,406 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,408 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:07:04,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:07:04,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:07:04,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:07:04,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:04" (1/1) ... [2021-11-25 06:07:04,422 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:04,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:07:04,447 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:07:04,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:07:04,507 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-25 06:07:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-25 06:07:04,508 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-25 06:07:04,508 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-25 06:07:04,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:07:04,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:07:04,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 06:07:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 06:07:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-25 06:07:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-25 06:07:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 06:07:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:07:04,509 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-25 06:07:04,509 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-25 06:07:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 06:07:04,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:07:04,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:07:04,512 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 06:07:04,667 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:07:04,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:07:05,014 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:07:05,025 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:07:05,025 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 06:07:05,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:05 BoogieIcfgContainer [2021-11-25 06:07:05,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:07:05,029 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:07:05,029 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:07:05,041 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:07:05,041 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:05" (1/1) ... [2021-11-25 06:07:05,042 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-11-25 06:07:05,046 INFO L158 Benchmark]: Toolchain (without parser) took 1570.58ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 83.1MB in the beginning and 107.0MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:07:05,047 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:07:05,048 INFO L158 Benchmark]: CACSL2BoogieTranslator took 823.46ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 68.6MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-25 06:07:05,049 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.64ms. Allocated memory is still 115.3MB. Free memory was 68.6MB in the beginning and 66.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:07:05,049 INFO L158 Benchmark]: Boogie Preprocessor took 31.33ms. Allocated memory is still 115.3MB. Free memory was 66.2MB in the beginning and 64.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:07:05,050 INFO L158 Benchmark]: RCFGBuilder took 614.75ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 64.4MB in the beginning and 107.8MB in the end (delta: -43.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2021-11-25 06:07:05,051 INFO L158 Benchmark]: CodeCheck took 15.42ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 107.0MB in the end (delta: 785.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:07:05,055 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 115.3MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 823.46ms. Allocated memory is still 115.3MB. Free memory was 83.1MB in the beginning and 68.6MB in the end (delta: 14.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.64ms. Allocated memory is still 115.3MB. Free memory was 68.6MB in the beginning and 66.2MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.33ms. Allocated memory is still 115.3MB. Free memory was 66.2MB in the beginning and 64.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 614.75ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 64.4MB in the beginning and 107.8MB in the end (delta: -43.4MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * CodeCheck took 15.42ms. Allocated memory is still 138.4MB. Free memory was 107.8MB in the beginning and 107.0MB in the end (delta: 785.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:07:05,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/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_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL --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 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 06:07:07,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 06:07:07,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 06:07:07,765 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 06:07:07,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 06:07:07,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 06:07:07,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 06:07:07,781 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 06:07:07,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 06:07:07,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 06:07:07,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 06:07:07,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 06:07:07,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 06:07:07,802 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 06:07:07,804 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 06:07:07,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 06:07:07,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 06:07:07,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 06:07:07,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 06:07:07,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 06:07:07,825 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 06:07:07,827 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 06:07:07,829 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 06:07:07,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 06:07:07,841 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 06:07:07,842 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 06:07:07,842 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 06:07:07,844 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 06:07:07,845 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 06:07:07,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 06:07:07,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 06:07:07,848 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 06:07:07,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 06:07:07,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 06:07:07,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 06:07:07,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 06:07:07,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 06:07:07,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 06:07:07,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 06:07:07,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 06:07:07,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 06:07:07,859 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-25 06:07:07,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 06:07:07,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 06:07:07,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 06:07:07,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 06:07:07,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 06:07:07,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 06:07:07,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 06:07:07,921 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 06:07:07,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 06:07:07,921 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 06:07:07,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 06:07:07,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 06:07:07,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 06:07:07,923 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 06:07:07,924 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 06:07:07,924 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 06:07:07,924 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 06:07:07,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 06:07:07,925 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 06:07:07,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 06:07:07,925 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 06:07:07,926 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 06:07:07,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 06:07:07,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:07,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 06:07:07,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 06:07:07,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 06:07:07,927 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 06:07:07,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 06:07:07,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 06:07:07,928 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-25 06:07:07,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 06:07:07,929 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_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2021-11-25 06:07:08,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 06:07:08,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 06:07:08,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 06:07:08,322 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 06:07:08,323 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 06:07:08,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread/stack-2.i [2021-11-25 06:07:08,420 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data/22f4fc0b2/5bbb28bbfc2f4aa6a50a442925939f4a/FLAGd106f1f57 [2021-11-25 06:07:09,101 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 06:07:09,102 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/sv-benchmarks/c/pthread/stack-2.i [2021-11-25 06:07:09,132 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data/22f4fc0b2/5bbb28bbfc2f4aa6a50a442925939f4a/FLAGd106f1f57 [2021-11-25 06:07:09,286 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/data/22f4fc0b2/5bbb28bbfc2f4aa6a50a442925939f4a [2021-11-25 06:07:09,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 06:07:09,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 06:07:09,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:09,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 06:07:09,296 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 06:07:09,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:09" (1/1) ... [2021-11-25 06:07:09,298 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@597984f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:09, skipping insertion in model container [2021-11-25 06:07:09,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:07:09" (1/1) ... [2021-11-25 06:07:09,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 06:07:09,360 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 06:07:09,859 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_e8c79476-7059-4753-b179-4a231103a2f5/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-25 06:07:09,904 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:09,920 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 06:07:09,966 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_e8c79476-7059-4753-b179-4a231103a2f5/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2021-11-25 06:07:09,987 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 06:07:10,102 INFO L208 MainTranslator]: Completed translation [2021-11-25 06:07:10,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10 WrapperNode [2021-11-25 06:07:10,103 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 06:07:10,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:10,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 06:07:10,105 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 06:07:10,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,154 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,214 INFO L137 Inliner]: procedures = 281, calls = 46, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2021-11-25 06:07:10,215 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 06:07:10,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 06:07:10,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 06:07:10,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 06:07:10,227 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,227 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 06:07:10,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 06:07:10,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 06:07:10,308 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 06:07:10,308 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 06:07:10,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 06:07:10,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 06:07:10,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 06:07:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 06:07:10,403 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-25 06:07:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-25 06:07:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-25 06:07:10,404 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-25 06:07:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 06:07:10,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 06:07:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 06:07:10,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 06:07:10,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 06:07:10,407 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-25 06:07:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-25 06:07:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-25 06:07:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 06:07:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-25 06:07:10,408 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-25 06:07:10,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 06:07:10,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 06:07:10,410 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 06:07:10,642 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 06:07:10,643 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 06:07:10,949 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 06:07:10,961 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 06:07:10,961 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-25 06:07:10,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:10 BoogieIcfgContainer [2021-11-25 06:07:10,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 06:07:10,965 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-25 06:07:10,965 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-25 06:07:10,976 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-25 06:07:10,976 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:10" (1/1) ... [2021-11-25 06:07:10,977 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-11-25 06:07:10,982 INFO L158 Benchmark]: Toolchain (without parser) took 1690.76ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 27.1MB in the beginning and 35.7MB in the end (delta: -8.6MB). Peak memory consumption was 1.3MB. Max. memory is 16.1GB. [2021-11-25 06:07:10,983 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:07:10,984 INFO L158 Benchmark]: CACSL2BoogieTranslator took 811.22ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 26.9MB in the beginning and 40.3MB in the end (delta: -13.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2021-11-25 06:07:10,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.68ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 37.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-25 06:07:10,986 INFO L158 Benchmark]: Boogie Preprocessor took 89.77ms. Allocated memory is still 62.9MB. Free memory was 37.4MB in the beginning and 35.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:07:10,987 INFO L158 Benchmark]: RCFGBuilder took 656.67ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 36.5MB in the end (delta: -1.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2021-11-25 06:07:10,987 INFO L158 Benchmark]: CodeCheck took 15.28ms. Allocated memory is still 62.9MB. Free memory was 36.5MB in the beginning and 35.7MB in the end (delta: 854.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 06:07:10,992 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 52.4MB. Free memory was 33.6MB in the beginning and 33.6MB in the end (delta: 38.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 811.22ms. Allocated memory was 52.4MB in the beginning and 62.9MB in the end (delta: 10.5MB). Free memory was 26.9MB in the beginning and 40.3MB in the end (delta: -13.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.68ms. Allocated memory is still 62.9MB. Free memory was 40.3MB in the beginning and 37.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.77ms. Allocated memory is still 62.9MB. Free memory was 37.4MB in the beginning and 35.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 656.67ms. Allocated memory is still 62.9MB. Free memory was 35.5MB in the beginning and 36.5MB in the end (delta: -1.0MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * CodeCheck took 15.28ms. Allocated memory is still 62.9MB. Free memory was 36.5MB in the beginning and 35.7MB in the end (delta: 854.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 06:07:11,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8c79476-7059-4753-b179-4a231103a2f5/bin/ukojak-d1pc8ZmBRL/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: Concurrent programs are currently unsupported