./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 9bd2c7ff 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_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:41,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:41,975 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:02:41,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:02:41,985 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:02:42,033 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:42,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:42,036 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:42,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:42,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:42,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:42,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:42,046 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:42,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:02:42,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:42,049 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:42,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:42,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:42,051 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:42,051 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:42,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:42,053 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:42,053 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:42,054 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:42,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:42,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:42,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:42,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:42,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:42,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:42,060 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:02:42,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:02:42,061 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:42,061 INFO L153 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_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-19 03:02:42,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:42,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:42,461 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:42,462 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:42,463 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:42,464 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-19 03:02:45,573 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:45,999 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:46,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-19 03:02:46,031 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/data/d15b15f23/7103aefd6d2e453ebcec679440617fec/FLAGcdac87e10 [2023-11-19 03:02:46,052 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/data/d15b15f23/7103aefd6d2e453ebcec679440617fec [2023-11-19 03:02:46,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:46,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:46,067 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:46,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:46,073 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:46,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70cd3c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46, skipping insertion in model container [2023-11-19 03:02:46,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,155 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:46,694 WARN L240 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_3a3184f3-b284-48b4-820b-72be12afe55d/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-19 03:02:46,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:46,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:46,780 WARN L240 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_3a3184f3-b284-48b4-820b-72be12afe55d/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-19 03:02:46,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:46,887 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:46,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46 WrapperNode [2023-11-19 03:02:46,887 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:46,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:46,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:46,888 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:46,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,944 INFO L138 Inliner]: procedures = 277, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2023-11-19 03:02:46,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:46,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:46,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:46,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:46,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,976 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,989 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,993 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:46,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:46,998 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:46,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:46,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:47,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:46" (1/1) ... [2023-11-19 03:02:47,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:47,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:47,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:47,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:47,109 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:02:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:02:47,110 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:02:47,110 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:02:47,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:47,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:02:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:02:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 03:02:47,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 03:02:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:02:47,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 03:02:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 03:02:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:02:47,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:47,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:47,116 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:02:47,357 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:47,360 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:47,699 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:47,711 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:47,712 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:02:47,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:47 BoogieIcfgContainer [2023-11-19 03:02:47,716 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:47,728 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:47,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:47,739 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:47,739 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:47" (1/1) ... [2023-11-19 03:02:47,740 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-19 03:02:47,744 INFO L158 Benchmark]: Toolchain (without parser) took 1682.87ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 88.3MB in the beginning and 167.4MB in the end (delta: -79.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:47,745 INFO L158 Benchmark]: CDTParser took 0.78ms. Allocated memory is still 136.3MB. Free memory was 107.4MB in the beginning and 107.2MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:47,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 820.65ms. Allocated memory is still 136.3MB. Free memory was 87.8MB in the beginning and 58.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 03:02:47,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.58ms. Allocated memory is still 136.3MB. Free memory was 58.5MB in the beginning and 55.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:47,749 INFO L158 Benchmark]: Boogie Preprocessor took 52.67ms. Allocated memory is still 136.3MB. Free memory was 55.8MB in the beginning and 54.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:47,750 INFO L158 Benchmark]: RCFGBuilder took 718.13ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 53.7MB in the beginning and 168.4MB in the end (delta: -114.7MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2023-11-19 03:02:47,752 INFO L158 Benchmark]: CodeCheck took 14.58ms. Allocated memory is still 205.5MB. Free memory is still 167.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:47,762 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78ms. Allocated memory is still 136.3MB. Free memory was 107.4MB in the beginning and 107.2MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 820.65ms. Allocated memory is still 136.3MB. Free memory was 87.8MB in the beginning and 58.5MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.58ms. Allocated memory is still 136.3MB. Free memory was 58.5MB in the beginning and 55.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.67ms. Allocated memory is still 136.3MB. Free memory was 55.8MB in the beginning and 54.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 718.13ms. Allocated memory was 136.3MB in the beginning and 205.5MB in the end (delta: 69.2MB). Free memory was 53.7MB in the beginning and 168.4MB in the end (delta: -114.7MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * CodeCheck took 14.58ms. Allocated memory is still 205.5MB. Free memory is still 167.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:02:47,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/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_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --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 --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:50,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:50,770 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:02:50,824 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:50,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:50,827 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:50,828 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:50,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:50,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:50,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:50,836 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:02:50,837 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:02:50,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:50,839 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:50,839 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:50,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:50,840 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:02:50,841 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:02:50,841 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:02:50,842 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:02:50,842 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:50,843 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:50,844 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:50,844 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:50,844 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:50,845 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:50,845 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:50,846 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:50,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:50,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:50,848 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:50,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:50,849 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:02:50,850 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:50,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:50,850 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:02:50,851 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:50,851 INFO L153 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_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2023-11-19 03:02:51,315 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:51,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:51,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:51,366 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:51,366 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:51,369 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-19 03:02:54,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:55,359 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:55,359 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/sv-benchmarks/c/pthread/stack_longest-1.i [2023-11-19 03:02:55,387 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/data/a89ccb2c8/853f50008577453d8c8c5d098e7d98bb/FLAGee41dcbba [2023-11-19 03:02:55,407 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/data/a89ccb2c8/853f50008577453d8c8c5d098e7d98bb [2023-11-19 03:02:55,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:55,415 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:55,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:55,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:55,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:55,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:55" (1/1) ... [2023-11-19 03:02:55,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6de294ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:55, skipping insertion in model container [2023-11-19 03:02:55,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:55" (1/1) ... [2023-11-19 03:02:55,491 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:56,202 WARN L240 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_3a3184f3-b284-48b4-820b-72be12afe55d/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-19 03:02:56,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:56,262 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:56,327 WARN L240 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_3a3184f3-b284-48b4-820b-72be12afe55d/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2023-11-19 03:02:56,362 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:56,502 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:56,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56 WrapperNode [2023-11-19 03:02:56,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:56,505 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:56,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:56,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:56,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,553 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,605 INFO L138 Inliner]: procedures = 281, calls = 39, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 137 [2023-11-19 03:02:56,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:56,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:56,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:56,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:56,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,636 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,653 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,665 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,670 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:56,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:56,693 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:56,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:56,694 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:56" (1/1) ... [2023-11-19 03:02:56,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:56,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:56,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:56,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 03:02:56,777 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-19 03:02:56,777 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-19 03:02:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-19 03:02:56,778 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-19 03:02:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:56,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 03:02:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:02:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-19 03:02:56,779 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2023-11-19 03:02:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2023-11-19 03:02:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 03:02:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:56,780 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-11-19 03:02:56,780 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-11-19 03:02:56,781 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:56,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:56,782 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 03:02:56,981 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:56,984 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:57,307 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:57,321 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:57,325 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:02:57,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:57 BoogieIcfgContainer [2023-11-19 03:02:57,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:57,335 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:57,335 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:57,344 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:57,344 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:57" (1/1) ... [2023-11-19 03:02:57,345 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:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) 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) [2023-11-19 03:02:57,350 INFO L158 Benchmark]: Toolchain (without parser) took 1936.90ms. Allocated memory is still 100.7MB. Free memory was 75.0MB in the beginning and 70.7MB in the end (delta: 4.3MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-19 03:02:57,351 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:57,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.48ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 67.0MB in the end (delta: 7.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:02:57,353 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.51ms. Allocated memory is still 100.7MB. Free memory was 66.6MB in the beginning and 64.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:57,354 INFO L158 Benchmark]: Boogie Preprocessor took 80.96ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:57,356 INFO L158 Benchmark]: RCFGBuilder took 643.37ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 71.7MB in the end (delta: -9.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2023-11-19 03:02:57,357 INFO L158 Benchmark]: CodeCheck took 13.42ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 70.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:57,369 INFO L338 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:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 45.0MB in the end (delta: 54.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.48ms. Allocated memory is still 100.7MB. Free memory was 74.7MB in the beginning and 67.0MB in the end (delta: 7.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.51ms. Allocated memory is still 100.7MB. Free memory was 66.6MB in the beginning and 64.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.96ms. Allocated memory is still 100.7MB. Free memory was 64.1MB in the beginning and 62.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 643.37ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 71.7MB in the end (delta: -9.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * CodeCheck took 13.42ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 70.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:02:57,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3a3184f3-b284-48b4-820b-72be12afe55d/bin/ukojak-verify-G8NBE6pJGL/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