./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:34,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:34,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:26:34,620 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:34,621 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:34,680 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:34,681 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:34,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:34,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:34,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:34,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:34,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:34,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:26:34,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:34,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:26:34,688 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:34,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:34,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:34,690 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:34,690 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:34,691 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:34,691 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:26:34,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:34,692 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:34,693 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:34,693 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:34,694 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:34,694 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:34,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:34,695 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:34,696 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:34,696 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:34,697 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:34,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:34,698 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:34,698 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_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2023-11-21 18:26:35,008 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:35,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:35,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:35,069 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:35,071 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:35,072 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/queue_longer.i [2023-11-21 18:26:38,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:38,736 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:38,736 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/sv-benchmarks/c/pthread/queue_longer.i [2023-11-21 18:26:38,758 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/data/7359ad4c7/75d69f80bfde44e39cebecd6910da72e/FLAG25d9f736f [2023-11-21 18:26:38,774 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/data/7359ad4c7/75d69f80bfde44e39cebecd6910da72e [2023-11-21 18:26:38,777 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:38,779 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:38,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:38,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:38,787 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:38,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b7a022 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:38, skipping insertion in model container [2023-11-21 18:26:38,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:38" (1/1) ... [2023-11-21 18:26:38,850 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:39,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:39,513 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:39,643 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:39,771 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:39,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39 WrapperNode [2023-11-21 18:26:39,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:39,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:39,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:39,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:39,783 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,882 INFO L138 Inliner]: procedures = 275, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-11-21 18:26:39,883 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:39,884 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:39,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:39,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:39,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,963 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:39,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:39,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:39,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:39,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:39" (1/1) ... [2023-11-21 18:26:39,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:40,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:40,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:40,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:26:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:26:40,069 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:26:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:26:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:26:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:26:40,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-21 18:26:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-21 18:26:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:40,071 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-21 18:26:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-21 18:26:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:26:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:26:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:26:40,072 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:26:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:40,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:40,075 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:26:40,260 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:40,263 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:40,830 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:40,881 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:40,881 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:26:40,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:40 BoogieIcfgContainer [2023-11-21 18:26:40,883 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:40,884 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:40,884 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:40,893 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:40,893 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:40" (1/1) ... [2023-11-21 18:26:40,894 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) [2023-11-21 18:26:40,898 INFO L158 Benchmark]: Toolchain (without parser) took 2117.77ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 117.8MB in the end (delta: 6.7MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,898 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:40,899 INFO L158 Benchmark]: CACSL2BoogieTranslator took 990.91ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 94.0MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,900 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.97ms. Allocated memory is still 157.3MB. Free memory was 94.0MB in the beginning and 91.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,900 INFO L158 Benchmark]: Boogie Preprocessor took 90.34ms. Allocated memory is still 157.3MB. Free memory was 91.4MB in the beginning and 89.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,901 INFO L158 Benchmark]: RCFGBuilder took 908.43ms. Allocated memory is still 157.3MB. Free memory was 89.0MB in the beginning and 119.1MB in the end (delta: -30.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,902 INFO L158 Benchmark]: CodeCheck took 12.15ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 117.8MB in the end (delta: 593.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:40,905 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 0.30ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 990.91ms. Allocated memory is still 157.3MB. Free memory was 124.5MB in the beginning and 94.0MB in the end (delta: 30.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.97ms. Allocated memory is still 157.3MB. Free memory was 94.0MB in the beginning and 91.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 90.34ms. Allocated memory is still 157.3MB. Free memory was 91.4MB in the beginning and 89.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 908.43ms. Allocated memory is still 157.3MB. Free memory was 89.0MB in the beginning and 119.1MB in the end (delta: -30.1MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * CodeCheck took 12.15ms. Allocated memory is still 157.3MB. Free memory was 118.4MB in the beginning and 117.8MB in the end (delta: 593.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:26:40,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:43,738 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:43,873 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:26:43,934 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:43,936 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:43,936 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:43,937 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:43,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:43,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:43,940 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:43,941 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:26:43,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:26:43,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:43,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:43,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:43,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:43,943 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:26:43,944 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:26:43,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:43,945 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:26:43,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:43,952 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:26:43,952 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:43,953 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:43,953 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:43,954 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:43,954 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:43,954 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:43,955 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:43,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:43,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:43,957 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:43,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:43,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:43,958 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:26:43,958 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:43,959 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:43,959 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:26:43,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:43,960 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_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2023-11-21 18:26:44,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:44,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:44,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:44,409 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:44,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:44,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/queue_longer.i [2023-11-21 18:26:47,585 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:48,006 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:48,007 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/sv-benchmarks/c/pthread/queue_longer.i [2023-11-21 18:26:48,025 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/data/49be21e1b/806684273a7d4710b3b185c0bdc2eb96/FLAG62b664b93 [2023-11-21 18:26:48,040 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/data/49be21e1b/806684273a7d4710b3b185c0bdc2eb96 [2023-11-21 18:26:48,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:48,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:48,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:48,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:48,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:48,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:48,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0d227e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48, skipping insertion in model container [2023-11-21 18:26:48,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:48,102 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:48,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:48,756 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:48,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:48,971 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:48,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48 WrapperNode [2023-11-21 18:26:48,972 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:48,973 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:48,973 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:48,973 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:48,981 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,019 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,065 INFO L138 Inliner]: procedures = 279, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-11-21 18:26:49,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:49,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:49,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:49,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:49,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,100 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,124 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:49,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:49,130 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:49,130 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:49,131 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:49,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:49,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:49,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:49,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:26:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:26:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:26:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:26:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:26:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:26:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:26:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-21 18:26:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-21 18:26:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:26:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:26:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:26:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-21 18:26:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-21 18:26:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:26:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:26:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:49,237 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:26:49,412 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:49,415 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:49,868 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:49,918 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:49,918 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:26:49,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:49 BoogieIcfgContainer [2023-11-21 18:26:49,920 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:49,921 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:49,921 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:49,933 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:49,933 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:49" (1/1) ... [2023-11-21 18:26:49,936 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) [2023-11-21 18:26:49,940 INFO L158 Benchmark]: Toolchain (without parser) took 1894.18ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.4MB in the beginning and 65.5MB in the end (delta: -21.1MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2023-11-21 18:26:49,941 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 69.2MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:49,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 925.55ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.2MB in the beginning and 48.6MB in the end (delta: -4.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-21 18:26:49,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.50ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 45.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:49,945 INFO L158 Benchmark]: Boogie Preprocessor took 62.71ms. Allocated memory is still 92.3MB. Free memory was 45.8MB in the beginning and 68.9MB in the end (delta: -23.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2023-11-21 18:26:49,946 INFO L158 Benchmark]: RCFGBuilder took 790.32ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 66.5MB in the end (delta: 2.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2023-11-21 18:26:49,947 INFO L158 Benchmark]: CodeCheck took 17.15ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 65.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:49,959 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 0.29ms. Allocated memory is still 69.2MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 925.55ms. Allocated memory was 69.2MB in the beginning and 92.3MB in the end (delta: 23.1MB). Free memory was 44.2MB in the beginning and 48.6MB in the end (delta: -4.4MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.50ms. Allocated memory is still 92.3MB. Free memory was 48.6MB in the beginning and 45.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.71ms. Allocated memory is still 92.3MB. Free memory was 45.8MB in the beginning and 68.9MB in the end (delta: -23.1MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 790.32ms. Allocated memory is still 92.3MB. Free memory was 68.5MB in the beginning and 66.5MB in the end (delta: 2.0MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * CodeCheck took 17.15ms. Allocated memory is still 92.3MB. Free memory was 66.5MB in the beginning and 65.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:26:50,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d59ea1c-03c6-4573-b6e7-76de56266987/bin/ukojak-verify-i0I2FZA1j2/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