./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/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_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/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_b4006ae2-3571-4649-af70-8d233a6bae0b/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 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:17,886 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:18,016 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:28:18,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:18,024 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:18,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:18,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:18,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:18,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:18,072 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:18,073 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:18,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:18,074 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:18,076 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:18,077 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:18,077 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:18,077 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:18,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:18,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:18,079 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:18,079 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:18,079 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:18,080 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:18,080 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:18,081 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:18,082 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:18,082 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:18,082 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:18,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:18,083 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:18,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:18,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:18,085 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:18,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:18,086 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:18,086 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_b4006ae2-3571-4649-af70-8d233a6bae0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2023-11-21 18:28:18,467 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:18,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:18,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:18,492 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:18,493 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:18,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/queue_longest.i [2023-11-21 18:28:21,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:21,780 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:21,780 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/sv-benchmarks/c/pthread/queue_longest.i [2023-11-21 18:28:21,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/data/23cb7e0d2/dbc6cdb373a34688b2831177796338ca/FLAGcbd596cec [2023-11-21 18:28:21,825 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/data/23cb7e0d2/dbc6cdb373a34688b2831177796338ca [2023-11-21 18:28:21,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:21,829 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:21,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:21,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:21,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:21,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:21" (1/1) ... [2023-11-21 18:28:21,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4e3ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:21, skipping insertion in model container [2023-11-21 18:28:21,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:21" (1/1) ... [2023-11-21 18:28:21,898 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:22,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:22,520 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:22,615 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:22,774 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:22,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22 WrapperNode [2023-11-21 18:28:22,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:22,776 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:22,776 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:22,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:22,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,818 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,861 INFO L138 Inliner]: procedures = 275, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 131 [2023-11-21 18:28:22,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:22,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:22,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:22,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:22,895 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,926 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,954 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:22,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:23,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:23,015 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:23,015 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:23,015 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:23,016 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:22" (1/1) ... [2023-11-21 18:28:23,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:23,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:23,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:23,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:28:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:28:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:28:23,101 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:28:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:28:23,102 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:28:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:28:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-21 18:28:23,103 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-21 18:28:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:28:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-21 18:28:23,104 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-21 18:28:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:28:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:28:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:28:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:28:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:23,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:23,109 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 18:28:23,274 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:23,276 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:23,685 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:23,747 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:23,750 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:28:23,756 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:23 BoogieIcfgContainer [2023-11-21 18:28:23,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:23,758 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:23,758 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:23,770 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:23,770 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:23" (1/1) ... [2023-11-21 18:28:23,771 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 18:28:23,780 INFO L158 Benchmark]: Toolchain (without parser) took 1949.87ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 110.0MB in the end (delta: 28.2MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,781 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 130.0MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:23,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.41ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 107.6MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,784 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.84ms. Allocated memory is still 167.8MB. Free memory was 107.6MB in the beginning and 104.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,785 INFO L158 Benchmark]: Boogie Preprocessor took 148.74ms. Allocated memory is still 167.8MB. Free memory was 104.8MB in the beginning and 136.1MB in the end (delta: -31.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,786 INFO L158 Benchmark]: RCFGBuilder took 742.37ms. Allocated memory is still 167.8MB. Free memory was 136.1MB in the beginning and 110.9MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,787 INFO L158 Benchmark]: CodeCheck took 19.99ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 874.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:28:23,798 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 0.31ms. Allocated memory is still 130.0MB. Free memory was 101.6MB in the beginning and 101.5MB in the end (delta: 72.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 944.41ms. Allocated memory is still 167.8MB. Free memory was 138.2MB in the beginning and 107.6MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.84ms. Allocated memory is still 167.8MB. Free memory was 107.6MB in the beginning and 104.8MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 148.74ms. Allocated memory is still 167.8MB. Free memory was 104.8MB in the beginning and 136.1MB in the end (delta: -31.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 742.37ms. Allocated memory is still 167.8MB. Free memory was 136.1MB in the beginning and 110.9MB in the end (delta: 25.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 19.99ms. Allocated memory is still 167.8MB. Free memory was 110.9MB in the beginning and 110.0MB in the end (delta: 874.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:28:23,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/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_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/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_b4006ae2-3571-4649-af70-8d233a6bae0b/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 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:26,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:26,600 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:28:26,649 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:26,650 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:26,650 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:26,651 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:26,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:26,652 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:26,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:26,656 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:26,656 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:26,657 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:26,662 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:26,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:26,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:26,664 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:28:26,665 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:28:26,665 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:26,666 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:28:26,667 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:26,667 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:26,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:26,668 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:26,669 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:26,669 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:26,670 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:26,670 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:26,671 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:28:26,671 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:26,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:26,673 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:26,673 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:26,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:26,673 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:28:26,673 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:28:26,674 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:26,674 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:28:26,674 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:28:26,674 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_b4006ae2-3571-4649-af70-8d233a6bae0b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5fb3c623242420f3b3352ce2377df781fcc1efd56f82dd0011f9620e127821b3 [2023-11-21 18:28:27,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:27,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:27,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:27,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:27,154 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:27,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread/queue_longest.i [2023-11-21 18:28:30,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:30,769 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:30,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/sv-benchmarks/c/pthread/queue_longest.i [2023-11-21 18:28:30,792 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/data/08118df26/53896b3209a84f898aca54c6ef7368cd/FLAG7e99c5c78 [2023-11-21 18:28:30,807 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/data/08118df26/53896b3209a84f898aca54c6ef7368cd [2023-11-21 18:28:30,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:30,812 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:30,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:30,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:30,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:30,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1039c5c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:30, skipping insertion in model container [2023-11-21 18:28:30,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:30" (1/1) ... [2023-11-21 18:28:30,883 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:31,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:31,542 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:31,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:31,743 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:31,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31 WrapperNode [2023-11-21 18:28:31,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:31,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:31,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:31,746 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:31,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,816 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,870 INFO L138 Inliner]: procedures = 279, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 130 [2023-11-21 18:28:31,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:31,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:31,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:31,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:31,884 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,884 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,903 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,928 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,934 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:31,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:31,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:31,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:31,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:31" (1/1) ... [2023-11-21 18:28:31,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:31,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:31,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:31,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:32,011 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-21 18:28:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-21 18:28:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:28:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-21 18:28:32,012 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-21 18:28:32,012 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-21 18:28:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-21 18:28:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:28:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-21 18:28:32,013 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-21 18:28:32,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:28:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:28:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:28:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:28:32,014 INFO L130 BoogieDeclarations]: Found specification of procedure enqueue [2023-11-21 18:28:32,015 INFO L138 BoogieDeclarations]: Found implementation of procedure enqueue [2023-11-21 18:28:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-21 18:28:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-21 18:28:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:32,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:32,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:32,017 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 18:28:32,310 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:32,313 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:32,873 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:32,925 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:32,928 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:28:32,930 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:32 BoogieIcfgContainer [2023-11-21 18:28:32,930 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:32,934 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:32,934 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:32,946 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:32,947 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:32" (1/1) ... [2023-11-21 18:28:32,948 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 18:28:32,955 INFO L158 Benchmark]: Toolchain (without parser) took 2141.41ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 39.1MB in the beginning and 54.4MB in the end (delta: -15.3MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-21 18:28:32,957 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:32,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 930.37ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 38.9MB in the beginning and 41.2MB in the end (delta: -2.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-21 18:28:32,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 126.08ms. Allocated memory is still 86.0MB. Free memory was 41.2MB in the beginning and 61.9MB in the end (delta: -20.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:32,961 INFO L158 Benchmark]: Boogie Preprocessor took 62.66ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 58.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:28:32,962 INFO L158 Benchmark]: RCFGBuilder took 995.17ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 55.3MB in the end (delta: 3.5MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2023-11-21 18:28:32,963 INFO L158 Benchmark]: CodeCheck took 18.54ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 54.4MB in the end (delta: 914.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:28:32,971 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 0.33ms. Allocated memory is still 65.0MB. Free memory was 41.1MB in the beginning and 41.1MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 930.37ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 38.9MB in the beginning and 41.2MB in the end (delta: -2.4MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 126.08ms. Allocated memory is still 86.0MB. Free memory was 41.2MB in the beginning and 61.9MB in the end (delta: -20.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.66ms. Allocated memory is still 86.0MB. Free memory was 61.9MB in the beginning and 58.9MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 995.17ms. Allocated memory is still 86.0MB. Free memory was 58.9MB in the beginning and 55.3MB in the end (delta: 3.5MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * CodeCheck took 18.54ms. Allocated memory is still 86.0MB. Free memory was 55.3MB in the beginning and 54.4MB in the end (delta: 914.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:28:33,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4006ae2-3571-4649-af70-8d233a6bae0b/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