./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4 --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- 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-2329fc7 [2022-12-15 00:58:41,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:58:41,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:58:41,459 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:58:41,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:58:41,461 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:58:41,462 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:58:41,463 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:58:41,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:58:41,466 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:58:41,466 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:58:41,467 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:58:41,468 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:58:41,469 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:58:41,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:58:41,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:58:41,471 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:58:41,472 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:58:41,474 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:58:41,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:58:41,476 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:58:41,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:58:41,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:58:41,479 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:58:41,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:58:41,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:58:41,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:58:41,484 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:58:41,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:58:41,485 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:58:41,485 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:58:41,486 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:58:41,486 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:58:41,487 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:58:41,488 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:58:41,488 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:58:41,489 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:58:41,489 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:58:41,489 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:58:41,490 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:58:41,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:58:41,491 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 00:58:41,510 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:58:41,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:58:41,511 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:58:41,511 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:58:41,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:58:41,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:58:41,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:58:41,512 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:58:41,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:58:41,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:58:41,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:58:41,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:58:41,513 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:58:41,513 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:58:41,513 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:58:41,513 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:58:41,514 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:58:41,514 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:58:41,514 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:58:41,514 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:58:41,514 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:58:41,514 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:58:41,515 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:58:41,515 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:58:41,515 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:58:41,515 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:58:41,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:58:41,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:58:41,515 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_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-12-15 00:58:41,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:58:41,709 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:58:41,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:58:41,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:58:41,713 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:58:41,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-12-15 00:58:44,183 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:58:44,410 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:58:44,411 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/sv-benchmarks/c/pthread/stack_longest-1.i [2022-12-15 00:58:44,424 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/data/d80f3d772/a3c52356d2794dddb18c1dd260e4ff9e/FLAG3ff6fb7dc [2022-12-15 00:58:44,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/data/d80f3d772/a3c52356d2794dddb18c1dd260e4ff9e [2022-12-15 00:58:44,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:58:44,759 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:58:44,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:58:44,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:58:44,763 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:58:44,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:58:44" (1/1) ... [2022-12-15 00:58:44,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4672406f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:44, skipping insertion in model container [2022-12-15 00:58:44,765 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:58:44" (1/1) ... [2022-12-15 00:58:44,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:58:44,800 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:58:45,118 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_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-12-15 00:58:45,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:58:45,152 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:58:45,185 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_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-12-15 00:58:45,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:58:45,233 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:58:45,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45 WrapperNode [2022-12-15 00:58:45,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:58:45,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:58:45,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:58:45,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:58:45,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,277 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2022-12-15 00:58:45,277 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:58:45,277 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:58:45,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:58:45,278 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:58:45,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,297 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:58:45,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:58:45,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:58:45,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:58:45,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:58:45,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:58:45,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:58:45,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:58:45,359 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 00:58:45,359 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 00:58:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 00:58:45,360 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 00:58:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:58:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:58:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-15 00:58:45,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-15 00:58:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-12-15 00:58:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-12-15 00:58:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-15 00:58:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:58:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-12-15 00:58:45,361 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-12-15 00:58:45,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:58:45,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:58:45,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:58:45,363 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 00:58:45,460 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:58:45,462 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:58:45,648 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:58:45,656 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:58:45,656 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 00:58:45,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:45 BoogieIcfgContainer [2022-12-15 00:58:45,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:58:45,659 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:58:45,660 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:58:45,669 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:58:45,669 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:45" (1/1) ... [2022-12-15 00:58:45,670 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) [2022-12-15 00:58:45,673 INFO L158 Benchmark]: Toolchain (without parser) took 913.20ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 60.2MB in the end (delta: 51.7MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-12-15 00:58:45,673 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:58:45,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.41ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 83.3MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-12-15 00:58:45,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.15ms. Allocated memory is still 148.9MB. Free memory was 83.3MB in the beginning and 80.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:45,674 INFO L158 Benchmark]: Boogie Preprocessor took 23.93ms. Allocated memory is still 148.9MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:45,675 INFO L158 Benchmark]: RCFGBuilder took 356.73ms. Allocated memory is still 148.9MB. Free memory was 78.3MB in the beginning and 61.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-15 00:58:45,675 INFO L158 Benchmark]: CodeCheck took 12.21ms. Allocated memory is still 148.9MB. Free memory was 61.0MB in the beginning and 60.2MB in the end (delta: 773.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:45,678 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 0.14ms. Allocated memory is still 148.9MB. Free memory was 120.0MB in the beginning and 119.9MB in the end (delta: 30.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.41ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 83.3MB in the end (delta: 28.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.15ms. Allocated memory is still 148.9MB. Free memory was 83.3MB in the beginning and 80.4MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.93ms. Allocated memory is still 148.9MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.73ms. Allocated memory is still 148.9MB. Free memory was 78.3MB in the beginning and 61.0MB in the end (delta: 17.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 12.21ms. Allocated memory is still 148.9MB. Free memory was 61.0MB in the beginning and 60.2MB in the end (delta: 773.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:58:45,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/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_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4 --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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- 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-2329fc7 [2022-12-15 00:58:47,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:58:47,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:58:47,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:58:47,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:58:47,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:58:47,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:58:47,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:58:47,451 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:58:47,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:58:47,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:58:47,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:58:47,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:58:47,457 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:58:47,459 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:58:47,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:58:47,461 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:58:47,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:58:47,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:58:47,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:58:47,466 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:58:47,467 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:58:47,467 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:58:47,468 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:58:47,470 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:58:47,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:58:47,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:58:47,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:58:47,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:58:47,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:58:47,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:58:47,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:58:47,473 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:58:47,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:58:47,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:58:47,474 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:58:47,475 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:58:47,475 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:58:47,475 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:58:47,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:58:47,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:58:47,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-12-15 00:58:47,490 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:58:47,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:58:47,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:58:47,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:58:47,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:58:47,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:58:47,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:58:47,491 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 00:58:47,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 00:58:47,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:58:47,492 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:58:47,493 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:58:47,493 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:58:47,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:58:47,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:58:47,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:58:47,493 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:58:47,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:58:47,493 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-15 00:58:47,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-15 00:58:47,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:58:47,494 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-12-15 00:58:47,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-15 00:58:47,494 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_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2022-12-15 00:58:47,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:58:47,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:58:47,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:58:47,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:58:47,727 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:58:47,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/pthread/stack_longest-1.i [2022-12-15 00:58:50,355 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:58:50,573 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:58:50,574 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/sv-benchmarks/c/pthread/stack_longest-1.i [2022-12-15 00:58:50,587 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/data/5a97d930e/4b6d6935c7524f35a4c473989adbaf1e/FLAG91e84bed4 [2022-12-15 00:58:50,601 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/data/5a97d930e/4b6d6935c7524f35a4c473989adbaf1e [2022-12-15 00:58:50,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:58:50,605 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:58:50,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:58:50,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:58:50,609 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:58:50,610 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:58:50" (1/1) ... [2022-12-15 00:58:50,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e503575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:50, skipping insertion in model container [2022-12-15 00:58:50,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:58:50" (1/1) ... [2022-12-15 00:58:50,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:58:50,644 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:58:50,943 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_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-12-15 00:58:50,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:58:50,979 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:58:51,021 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_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2022-12-15 00:58:51,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:58:51,073 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:58:51,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51 WrapperNode [2022-12-15 00:58:51,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:58:51,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:58:51,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:58:51,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:58:51,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,097 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,118 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 137 [2022-12-15 00:58:51,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:58:51,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:58:51,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:58:51,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:58:51,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,131 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,139 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,145 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,151 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:58:51,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:58:51,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:58:51,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:58:51,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:58:51,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:58:51,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:58:51,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:58:51,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-15 00:58:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-15 00:58:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-15 00:58:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-15 00:58:51,213 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-15 00:58:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-15 00:58:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-15 00:58:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-15 00:58:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-15 00:58:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-15 00:58:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-12-15 00:58:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-12-15 00:58:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-15 00:58:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:58:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-12-15 00:58:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-12-15 00:58:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:58:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:58:51,215 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-12-15 00:58:51,334 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:58:51,341 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:58:51,567 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:58:51,573 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:58:51,573 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-15 00:58:51,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:51 BoogieIcfgContainer [2022-12-15 00:58:51,575 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:58:51,576 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:58:51,576 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:58:51,583 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:58:51,583 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:58:51" (1/1) ... [2022-12-15 00:58:51,583 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) [2022-12-15 00:58:51,586 INFO L158 Benchmark]: Toolchain (without parser) took 981.13ms. Allocated memory is still 86.0MB. Free memory was 58.5MB in the beginning and 50.3MB in the end (delta: 8.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-12-15 00:58:51,586 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:58:51,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 467.96ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 50.8MB in the end (delta: 7.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2022-12-15 00:58:51,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.31ms. Allocated memory is still 86.0MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:51,588 INFO L158 Benchmark]: Boogie Preprocessor took 31.90ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 45.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:58:51,588 INFO L158 Benchmark]: RCFGBuilder took 423.46ms. Allocated memory is still 86.0MB. Free memory was 45.7MB in the beginning and 51.6MB in the end (delta: -5.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-12-15 00:58:51,588 INFO L158 Benchmark]: CodeCheck took 9.50ms. Allocated memory is still 86.0MB. Free memory was 51.2MB in the beginning and 50.3MB in the end (delta: 851.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:58:51,590 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 0.10ms. Allocated memory is still 52.4MB. Free memory is still 31.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 467.96ms. Allocated memory is still 86.0MB. Free memory was 58.3MB in the beginning and 50.8MB in the end (delta: 7.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.31ms. Allocated memory is still 86.0MB. Free memory was 50.8MB in the beginning and 48.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.90ms. Allocated memory is still 86.0MB. Free memory was 48.1MB in the beginning and 45.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.46ms. Allocated memory is still 86.0MB. Free memory was 45.7MB in the beginning and 51.6MB in the end (delta: -5.9MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * CodeCheck took 9.50ms. Allocated memory is still 86.0MB. Free memory was 51.2MB in the beginning and 50.3MB in the end (delta: 851.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-15 00:58:51,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc26f51b-d587-4a0a-b7d0-033e5faefa3b/bin/ukojak-rkRKPMF4O4/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