./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:27:32,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:27:32,353 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:27:32,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:27:32,380 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:27:32,383 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:27:32,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:27:32,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:27:32,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:27:32,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:27:32,399 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:27:32,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:27:32,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:27:32,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:27:32,408 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:27:32,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:27:32,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:27:32,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:27:32,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:27:32,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:27:32,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:27:32,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:27:32,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:27:32,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:27:32,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:27:32,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:27:32,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:27:32,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:27:32,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:27:32,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:27:32,445 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:27:32,446 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:27:32,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:27:32,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:27:32,450 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:27:32,450 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:27:32,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:27:32,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:27:32,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:27:32,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:27:32,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:27:32,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:27:32,478 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:27:32,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:27:32,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:27:32,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:27:32,480 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:27:32,480 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:27:32,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:27:32,481 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:27:32,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:27:32,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:27:32,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:27:32,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:27:32,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:27:32,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:27:32,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:27:32,483 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:27:32,483 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:27:32,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:27:32,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:27:32,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:27:32,484 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:27:32,484 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:27:32,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:27:32,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:32,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:27:32,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:27:32,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:27:32,485 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:27:32,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:27:32,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:27:32,486 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_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-11-20 17:27:32,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:27:32,836 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:27:32,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:27:32,842 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:27:32,843 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:27:32,844 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack-2.i [2022-11-20 17:27:35,971 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:27:36,279 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:27:36,279 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/sv-benchmarks/c/pthread/stack-2.i [2022-11-20 17:27:36,345 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/data/51ebcea0e/2d71569e3c3345229d7d1070510d2fe0/FLAG6fe00c6bf [2022-11-20 17:27:36,364 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/data/51ebcea0e/2d71569e3c3345229d7d1070510d2fe0 [2022-11-20 17:27:36,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:27:36,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:27:36,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:36,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:27:36,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:27:36,379 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:36" (1/1) ... [2022-11-20 17:27:36,381 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@165f62f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:36, skipping insertion in model container [2022-11-20 17:27:36,381 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:36" (1/1) ... [2022-11-20 17:27:36,389 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:27:36,445 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:27:36,903 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-20 17:27:36,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:36,963 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:27:37,026 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-20 17:27:37,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:37,125 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:27:37,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37 WrapperNode [2022-11-20 17:27:37,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:37,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:37,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:27:37,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:27:37,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,242 INFO L138 Inliner]: procedures = 277, calls = 44, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 153 [2022-11-20 17:27:37,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:37,243 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:27:37,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:27:37,244 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:27:37,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,256 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,278 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,306 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:27:37,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:27:37,318 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:27:37,318 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:27:37,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:37,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:27:37,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:27:37,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:27:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 17:27:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 17:27:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 17:27:37,403 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 17:27:37,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:27:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:27:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 17:27:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:27:37,404 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-20 17:27:37,404 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-20 17:27:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 17:27:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:27:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 17:27:37,405 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 17:27:37,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:27:37,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:27:37,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:27:37,408 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:27:37,652 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:27:37,655 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:27:37,941 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:27:37,951 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:27:37,951 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:27:37,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:37 BoogieIcfgContainer [2022-11-20 17:27:37,954 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:27:37,955 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:27:37,955 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:27:37,966 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:27:37,966 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:37" (1/1) ... [2022-11-20 17:27:37,967 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) [2022-11-20 17:27:37,977 INFO L158 Benchmark]: Toolchain (without parser) took 1603.92ms. Allocated memory is still 161.5MB. Free memory was 133.8MB in the beginning and 79.2MB in the end (delta: 54.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 17:27:37,978 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 121.6MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:37,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 753.15ms. Allocated memory is still 161.5MB. Free memory was 133.0MB in the beginning and 103.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 17:27:37,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.74ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 100.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:37,981 INFO L158 Benchmark]: Boogie Preprocessor took 73.80ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:37,982 INFO L158 Benchmark]: RCFGBuilder took 635.96ms. Allocated memory is still 161.5MB. Free memory was 99.5MB in the beginning and 80.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:27:37,983 INFO L158 Benchmark]: CodeCheck took 20.35ms. Allocated memory is still 161.5MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:37,995 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 0.27ms. Allocated memory is still 121.6MB. Free memory is still 90.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 753.15ms. Allocated memory is still 161.5MB. Free memory was 133.0MB in the beginning and 103.7MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.74ms. Allocated memory is still 161.5MB. Free memory was 103.7MB in the beginning and 100.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.80ms. Allocated memory is still 161.5MB. Free memory was 100.9MB in the beginning and 99.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 635.96ms. Allocated memory is still 161.5MB. Free memory was 99.5MB in the beginning and 80.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 20.35ms. Allocated memory is still 161.5MB. Free memory was 80.6MB in the beginning and 79.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:27:38,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:27:40,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:27:40,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:27:40,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:27:40,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:27:40,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:27:40,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:27:40,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:27:40,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:27:40,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:27:40,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:27:40,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:27:40,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:27:40,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:27:40,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:27:40,683 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:27:40,684 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:27:40,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:27:40,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:27:40,692 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:27:40,694 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:27:40,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:27:40,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:27:40,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:27:40,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:27:40,711 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:27:40,711 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:27:40,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:27:40,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:27:40,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:27:40,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:27:40,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:27:40,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:27:40,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:27:40,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:27:40,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:27:40,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:27:40,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:27:40,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:27:40,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:27:40,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:27:40,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:27:40,790 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:27:40,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:27:40,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:27:40,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:27:40,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:27:40,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:27:40,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:27:40,794 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:27:40,795 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:27:40,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:27:40,796 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:27:40,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:27:40,797 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:27:40,797 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:27:40,797 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:27:40,798 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:27:40,798 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:27:40,798 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:27:40,799 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:27:40,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:27:40,799 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:27:40,800 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:27:40,800 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:27:40,800 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:27:40,801 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:27:40,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:40,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:27:40,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:27:40,802 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:27:40,802 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:27:40,803 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:27:40,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:27:40,803 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:27:40,804 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:27:40,804 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_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1c5d098180a5596f0a60d3177354c69a5ee6da68b8191dc75b6c33b291ef0421 [2022-11-20 17:27:41,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:27:41,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:27:41,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:27:41,227 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:27:41,227 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:27:41,229 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack-2.i [2022-11-20 17:27:44,293 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:27:44,654 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:27:44,654 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/sv-benchmarks/c/pthread/stack-2.i [2022-11-20 17:27:44,689 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/data/d5116605a/0b0b0e568d4f473d8aa1c3862937ac6d/FLAG04734df32 [2022-11-20 17:27:44,709 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/data/d5116605a/0b0b0e568d4f473d8aa1c3862937ac6d [2022-11-20 17:27:44,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:27:44,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:27:44,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:44,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:27:44,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:27:44,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:44" (1/1) ... [2022-11-20 17:27:44,722 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d3d538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:44, skipping insertion in model container [2022-11-20 17:27:44,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:27:44" (1/1) ... [2022-11-20 17:27:44,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:27:44,818 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:27:45,382 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-20 17:27:45,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:45,439 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:27:45,494 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/sv-benchmarks/c/pthread/stack-2.i[41520,41533] [2022-11-20 17:27:45,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:27:45,599 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:27:45,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45 WrapperNode [2022-11-20 17:27:45,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:27:45,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:45,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:27:45,601 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:27:45,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,634 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,659 INFO L138 Inliner]: procedures = 281, calls = 44, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 149 [2022-11-20 17:27:45,664 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:27:45,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:27:45,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:27:45,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:27:45,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,707 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,712 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,716 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:27:45,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:27:45,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:27:45,717 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:27:45,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:27:45" (1/1) ... [2022-11-20 17:27:45,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:27:45,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:27:45,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:27:45,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:27:45,807 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 17:27:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 17:27:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 17:27:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 17:27:45,808 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 17:27:45,808 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:27:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:27:45,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:27:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:27:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 17:27:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-20 17:27:45,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-20 17:27:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 17:27:45,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:27:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 17:27:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 17:27:45,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:27:45,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:27:45,813 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:27:45,960 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:27:45,963 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:27:46,427 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:27:46,436 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:27:46,436 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 17:27:46,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:46 BoogieIcfgContainer [2022-11-20 17:27:46,438 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:27:46,439 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:27:46,439 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:27:46,465 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:27:46,466 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:27:46" (1/1) ... [2022-11-20 17:27:46,467 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) [2022-11-20 17:27:46,475 INFO L158 Benchmark]: Toolchain (without parser) took 1760.73ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 27.6MB in the beginning and 53.0MB in the end (delta: -25.5MB). Peak memory consumption was 983.6kB. Max. memory is 16.1GB. [2022-11-20 17:27:46,476 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:27:46,477 INFO L158 Benchmark]: CACSL2BoogieTranslator took 883.07ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 27.4MB in the beginning and 56.6MB in the end (delta: -29.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-11-20 17:27:46,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.40ms. Allocated memory is still 86.0MB. Free memory was 56.6MB in the beginning and 53.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:46,479 INFO L158 Benchmark]: Boogie Preprocessor took 51.23ms. Allocated memory is still 86.0MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:46,480 INFO L158 Benchmark]: RCFGBuilder took 721.52ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 54.3MB in the end (delta: -3.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:46,482 INFO L158 Benchmark]: CodeCheck took 34.24ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 53.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:27:46,493 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 0.24ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 883.07ms. Allocated memory was 60.8MB in the beginning and 86.0MB in the end (delta: 25.2MB). Free memory was 27.4MB in the beginning and 56.6MB in the end (delta: -29.2MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.40ms. Allocated memory is still 86.0MB. Free memory was 56.6MB in the beginning and 53.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.23ms. Allocated memory is still 86.0MB. Free memory was 53.8MB in the beginning and 51.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 721.52ms. Allocated memory is still 86.0MB. Free memory was 51.4MB in the beginning and 54.3MB in the end (delta: -3.0MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * CodeCheck took 34.24ms. Allocated memory is still 86.0MB. Free memory was 54.3MB in the beginning and 53.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:27:46,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7fc6b83-42ea-42af-9efc-54c156b64de4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported