./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/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_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- 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 16:39:24,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:39:24,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:39:24,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:39:24,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:39:24,355 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:39:24,361 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:39:24,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:39:24,367 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:39:24,374 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:39:24,375 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:39:24,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:39:24,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:39:24,378 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:39:24,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:39:24,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:39:24,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:39:24,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:39:24,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:39:24,385 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:39:24,386 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:39:24,392 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:39:24,393 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:39:24,395 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:39:24,399 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:39:24,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:39:24,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:39:24,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:39:24,410 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:39:24,411 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:39:24,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:39:24,412 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:39:24,413 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:39:24,416 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:39:24,417 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:39:24,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:39:24,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:39:24,421 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:39:24,422 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:39:24,424 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:39:24,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:39:24,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-11-20 16:39:24,458 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:39:24,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:39:24,471 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:39:24,472 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:39:24,472 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:39:24,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:39:24,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:39:24,473 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:39:24,473 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:39:24,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:39:24,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:39:24,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:39:24,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:39:24,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:39:24,476 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:39:24,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:39:24,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:39:24,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:39:24,477 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:39:24,477 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:39:24,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:39:24,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:24,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:39:24,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:39:24,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:39:24,479 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:39:24,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:39:24,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:39:24,480 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_c53b64c7-acae-4b1e-aff9-b52eba59f749/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2022-11-20 16:39:24,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:39:24,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:39:24,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:39:24,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:39:24,850 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:39:24,852 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack-1.i [2022-11-20 16:39:28,075 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:39:28,449 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:39:28,450 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/sv-benchmarks/c/pthread/stack-1.i [2022-11-20 16:39:28,463 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/data/1a141a3b9/09ab774eacab4567a36b726bece98617/FLAGd9f5879e4 [2022-11-20 16:39:28,478 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/data/1a141a3b9/09ab774eacab4567a36b726bece98617 [2022-11-20 16:39:28,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:39:28,483 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:39:28,484 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:28,484 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:39:28,488 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:39:28,489 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:28" (1/1) ... [2022-11-20 16:39:28,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74ad8dfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:28, skipping insertion in model container [2022-11-20 16:39:28,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:28" (1/1) ... [2022-11-20 16:39:28,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:39:28,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:39:29,060 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_c53b64c7-acae-4b1e-aff9-b52eba59f749/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2022-11-20 16:39:29,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:29,121 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:39:29,188 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_c53b64c7-acae-4b1e-aff9-b52eba59f749/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2022-11-20 16:39:29,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:29,253 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:39:29,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29 WrapperNode [2022-11-20 16:39:29,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:29,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:29,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:39:29,256 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:39:29,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,307 INFO L138 Inliner]: procedures = 277, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 140 [2022-11-20 16:39:29,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:29,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:39:29,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:39:29,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:39:29,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,360 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,362 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,363 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:39:29,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:39:29,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:39:29,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:39:29,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:29,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:39:29,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:39:29,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:39:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:39:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:39:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:39:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:39:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:39:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:39:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:39:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:39:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-20 16:39:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-20 16:39:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:39:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:39:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 16:39:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 16:39:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:39:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:39:29,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:39:29,449 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 16:39:29,585 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:39:29,588 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:39:29,871 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:39:29,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:39:29,881 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:39:29,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:29 BoogieIcfgContainer [2022-11-20 16:39:29,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:39:29,885 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:39:29,885 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:39:29,895 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:39:29,895 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:29" (1/1) ... [2022-11-20 16:39:29,896 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 16:39:29,901 INFO L158 Benchmark]: Toolchain (without parser) took 1417.29ms. Allocated memory is still 186.6MB. Free memory was 152.2MB in the beginning and 100.5MB in the end (delta: 51.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-20 16:39:29,901 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:39:29,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 770.49ms. Allocated memory is still 186.6MB. Free memory was 152.2MB in the beginning and 122.9MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-20 16:39:29,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.73ms. Allocated memory is still 186.6MB. Free memory was 122.9MB in the beginning and 120.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:29,903 INFO L158 Benchmark]: Boogie Preprocessor took 58.19ms. Allocated memory is still 186.6MB. Free memory was 120.7MB in the beginning and 118.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:29,904 INFO L158 Benchmark]: RCFGBuilder took 516.40ms. Allocated memory is still 186.6MB. Free memory was 118.7MB in the beginning and 101.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:39:29,905 INFO L158 Benchmark]: CodeCheck took 14.51ms. Allocated memory is still 186.6MB. Free memory was 101.3MB in the beginning and 100.5MB in the end (delta: 792.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:29,908 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 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 770.49ms. Allocated memory is still 186.6MB. Free memory was 152.2MB in the beginning and 122.9MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.73ms. Allocated memory is still 186.6MB. Free memory was 122.9MB in the beginning and 120.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.19ms. Allocated memory is still 186.6MB. Free memory was 120.7MB in the beginning and 118.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.40ms. Allocated memory is still 186.6MB. Free memory was 118.7MB in the beginning and 101.3MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.51ms. Allocated memory is still 186.6MB. Free memory was 101.3MB in the beginning and 100.5MB in the end (delta: 792.3kB). 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 16:39:29,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/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_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/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_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- 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 16:39:32,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:39:32,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:39:32,601 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:39:32,602 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:39:32,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:39:32,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:39:32,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:39:32,618 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:39:32,623 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:39:32,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:39:32,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:39:32,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:39:32,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:39:32,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:39:32,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:39:32,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:39:32,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:39:32,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:39:32,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:39:32,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:39:32,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:39:32,657 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:39:32,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:39:32,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:39:32,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:39:32,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:39:32,669 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:39:32,670 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:39:32,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:39:32,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:39:32,673 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:39:32,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:39:32,676 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:39:32,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:39:32,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:39:32,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:39:32,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:39:32,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:39:32,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:39:32,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:39:32,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-11-20 16:39:32,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:39:32,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:39:32,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:39:32,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:39:32,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:39:32,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:39:32,723 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:39:32,723 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:39:32,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:39:32,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:39:32,724 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:39:32,724 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:39:32,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:39:32,724 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:39:32,724 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:39:32,725 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:39:32,725 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:39:32,725 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:39:32,725 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:39:32,725 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:39:32,726 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:39:32,726 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:39:32,726 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:39:32,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:32,727 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:39:32,727 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:39:32,727 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:39:32,727 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:39:32,728 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:39:32,728 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:39:32,728 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:39:32,728 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:39:32,728 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_c53b64c7-acae-4b1e-aff9-b52eba59f749/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2022-11-20 16:39:33,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:39:33,121 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:39:33,124 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:39:33,126 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:39:33,127 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:39:33,128 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/stack-1.i [2022-11-20 16:39:36,560 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:39:36,873 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:39:36,874 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/sv-benchmarks/c/pthread/stack-1.i [2022-11-20 16:39:36,889 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/data/298b869c0/49c4609579e54ef09f857f2ebddb17de/FLAG3eca23aa4 [2022-11-20 16:39:36,909 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/data/298b869c0/49c4609579e54ef09f857f2ebddb17de [2022-11-20 16:39:36,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:39:36,914 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:39:36,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:36,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:39:36,918 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:39:36,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:36" (1/1) ... [2022-11-20 16:39:36,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1773788c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:36, skipping insertion in model container [2022-11-20 16:39:36,921 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:39:36" (1/1) ... [2022-11-20 16:39:36,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:39:36,974 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:39:37,463 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_c53b64c7-acae-4b1e-aff9-b52eba59f749/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2022-11-20 16:39:37,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:37,504 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:39:37,544 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_c53b64c7-acae-4b1e-aff9-b52eba59f749/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2022-11-20 16:39:37,555 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:39:37,662 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:39:37,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37 WrapperNode [2022-11-20 16:39:37,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:39:37,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:37,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:39:37,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:39:37,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,738 INFO L138 Inliner]: procedures = 281, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 137 [2022-11-20 16:39:37,738 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:39:37,739 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:39:37,739 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:39:37,739 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:39:37,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,768 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:39:37,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:39:37,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:39:37,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:39:37,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:39:37" (1/1) ... [2022-11-20 16:39:37,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:39:37,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:39:37,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:39:37,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:39:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 16:39:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:39:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:39:37,864 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:39:37,864 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:39:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:39:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:39:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:39:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:39:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 16:39:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-20 16:39:37,865 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-20 16:39:37,865 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 16:39:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:39:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 16:39:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 16:39:37,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:39:37,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:39:37,868 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 16:39:38,049 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:39:38,051 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:39:38,455 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:39:38,464 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:39:38,469 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:39:38,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:38 BoogieIcfgContainer [2022-11-20 16:39:38,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:39:38,474 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:39:38,475 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:39:38,486 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:39:38,486 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:39:38" (1/1) ... [2022-11-20 16:39:38,487 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 16:39:38,493 INFO L158 Benchmark]: Toolchain (without parser) took 1578.65ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 55.4MB in the beginning and 75.1MB in the end (delta: -19.7MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:38,494 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:39:38,494 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.34ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 45.8MB in the end (delta: 9.3MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-11-20 16:39:38,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.35ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 43.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:38,497 INFO L158 Benchmark]: Boogie Preprocessor took 34.38ms. Allocated memory is still 79.7MB. Free memory was 43.0MB in the beginning and 40.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:38,498 INFO L158 Benchmark]: RCFGBuilder took 699.26ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 40.7MB in the beginning and 76.3MB in the end (delta: -35.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2022-11-20 16:39:38,499 INFO L158 Benchmark]: CodeCheck took 17.35ms. Allocated memory is still 113.2MB. Free memory was 75.8MB in the beginning and 75.1MB in the end (delta: 743.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:39:38,508 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 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.34ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 45.8MB in the end (delta: 9.3MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.35ms. Allocated memory is still 79.7MB. Free memory was 45.8MB in the beginning and 43.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.38ms. Allocated memory is still 79.7MB. Free memory was 43.0MB in the beginning and 40.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.26ms. Allocated memory was 79.7MB in the beginning and 113.2MB in the end (delta: 33.6MB). Free memory was 40.7MB in the beginning and 76.3MB in the end (delta: -35.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * CodeCheck took 17.35ms. Allocated memory is still 113.2MB. Free memory was 75.8MB in the beginning and 75.1MB in the end (delta: 743.1kB). 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 16:39:38,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c53b64c7-acae-4b1e-aff9-b52eba59f749/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