./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longest.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV --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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:04,947 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:05,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-12 00:04:05,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:04:05,083 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:04:05,121 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:05,122 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:05,123 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:05,124 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:05,129 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:05,130 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:05,131 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:05,131 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:05,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:04:05,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:05,134 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:05,134 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:05,135 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:05,135 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:05,135 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:04:05,136 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:05,136 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:05,137 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:05,138 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:05,139 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:05,139 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:05,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:05,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:05,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:05,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:05,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:05,143 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:04:05,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:04:05,143 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:05,144 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_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2023-11-12 00:04:05,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:05,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:05,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:05,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:05,510 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:05,512 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/queue_ok_longest.i [2023-11-12 00:04:08,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:08,933 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:08,934 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/sv-benchmarks/c/pthread/queue_ok_longest.i [2023-11-12 00:04:08,955 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/data/ce82577c4/d24f0dd0c1124c2f9f46ee945e8d5390/FLAG3c06565ec [2023-11-12 00:04:08,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/data/ce82577c4/d24f0dd0c1124c2f9f46ee945e8d5390 [2023-11-12 00:04:08,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:08,981 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:08,984 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:08,984 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:08,989 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:08,990 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:08" (1/1) ... [2023-11-12 00:04:08,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2654910b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:08, skipping insertion in model container [2023-11-12 00:04:08,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:08" (1/1) ... [2023-11-12 00:04:09,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:09,560 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:09,573 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:09,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:09,702 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:09,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09 WrapperNode [2023-11-12 00:04:09,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:09,704 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:09,705 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:09,705 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:09,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,766 INFO L138 Inliner]: procedures = 274, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 188 [2023-11-12 00:04:09,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:09,767 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:09,767 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:09,767 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:09,784 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,812 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:09,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:09,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:09,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:09,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:09" (1/1) ... [2023-11-12 00:04:09,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:09,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:09,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:09,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-12 00:04:09,910 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-12 00:04:09,910 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-12 00:04:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-12 00:04:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-12 00:04:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-12 00:04:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:04:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-12 00:04:09,911 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-12 00:04:09,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:04:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:04:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:04:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:04:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:04:09,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:09,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:09,914 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:04:10,069 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:10,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:10,556 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:10,570 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:10,571 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:04:10,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:10 BoogieIcfgContainer [2023-11-12 00:04:10,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:04:10,575 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:04:10,575 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:04:10,585 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:04:10,585 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:10" (1/1) ... [2023-11-12 00:04:10,586 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) [2023-11-12 00:04:10,590 INFO L158 Benchmark]: Toolchain (without parser) took 1608.11ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 101.7MB in the beginning and 141.9MB in the end (delta: -40.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:10,591 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 142.6MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:10,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 719.93ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 71.7MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-12 00:04:10,593 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.21ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 68.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:04:10,593 INFO L158 Benchmark]: Boogie Preprocessor took 58.48ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:10,594 INFO L158 Benchmark]: RCFGBuilder took 747.92ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 66.6MB in the beginning and 143.1MB in the end (delta: -76.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:10,595 INFO L158 Benchmark]: CodeCheck took 13.28ms. Allocated memory is still 178.3MB. Free memory was 143.1MB in the beginning and 141.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:10,599 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 0.71ms. Allocated memory is still 142.6MB. Free memory is still 115.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 719.93ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 71.7MB in the end (delta: 29.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.21ms. Allocated memory is still 142.6MB. Free memory was 71.7MB in the beginning and 68.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.48ms. Allocated memory is still 142.6MB. Free memory was 68.7MB in the beginning and 66.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 747.92ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 66.6MB in the beginning and 143.1MB in the end (delta: -76.5MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * CodeCheck took 13.28ms. Allocated memory is still 178.3MB. Free memory was 143.1MB in the beginning and 141.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:04:10,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/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_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longest.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV --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 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:04:13,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:04:13,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-12 00:04:13,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:04:13,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:04:13,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:04:13,479 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:04:13,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:04:13,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:04:13,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:04:13,489 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:04:13,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:04:13,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:04:13,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:04:13,493 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:04:13,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:04:13,493 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:04:13,494 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:04:13,494 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:04:13,495 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:04:13,495 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:04:13,496 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:04:13,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:04:13,497 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:04:13,497 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:04:13,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:04:13,498 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:04:13,498 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:13,499 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:13,499 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:04:13,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:13,501 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:04:13,501 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:04:13,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:04:13,502 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:04:13,502 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:04:13,503 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:04:13,503 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:04:13,503 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:04:13,504 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_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e9bc4a9a6dcd238ac18925269a0bd7c8c54c2dafb57744151e37b58cf6eab8d [2023-11-12 00:04:13,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:04:13,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:04:13,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:04:13,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:04:13,966 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:04:13,968 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/queue_ok_longest.i [2023-11-12 00:04:17,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:04:17,595 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:04:17,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/sv-benchmarks/c/pthread/queue_ok_longest.i [2023-11-12 00:04:17,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/data/3f0cd460e/63bba6c37d354b858574361fc023a3f1/FLAG391b544da [2023-11-12 00:04:17,638 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/data/3f0cd460e/63bba6c37d354b858574361fc023a3f1 [2023-11-12 00:04:17,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:04:17,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:04:17,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:17,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:04:17,654 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:04:17,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:17" (1/1) ... [2023-11-12 00:04:17,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54196b01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:17, skipping insertion in model container [2023-11-12 00:04:17,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:04:17" (1/1) ... [2023-11-12 00:04:17,733 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:04:18,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:18,406 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:04:18,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:04:18,622 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:04:18,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18 WrapperNode [2023-11-12 00:04:18,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:04:18,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:18,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:04:18,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:04:18,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,736 INFO L138 Inliner]: procedures = 278, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 184 [2023-11-12 00:04:18,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:04:18,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:04:18,741 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:04:18,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:04:18,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,788 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,811 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:04:18,829 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:04:18,830 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:04:18,830 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:04:18,831 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:04:18" (1/1) ... [2023-11-12 00:04:18,837 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:04:18,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:04:18,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:04:18,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:04:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-12 00:04:18,900 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-12 00:04:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:04:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-12 00:04:18,902 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-12 00:04:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-12 00:04:18,903 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-12 00:04:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:04:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-12 00:04:18,904 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-12 00:04:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:04:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:04:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:04:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:04:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-12 00:04:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:04:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:04:18,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:04:18,911 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:04:19,120 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:04:19,122 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:04:19,723 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:04:19,736 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:04:19,737 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 00:04:19,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:19 BoogieIcfgContainer [2023-11-12 00:04:19,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:04:19,742 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:04:19,743 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:04:19,753 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:04:19,753 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:04:19" (1/1) ... [2023-11-12 00:04:19,754 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) [2023-11-12 00:04:19,760 INFO L158 Benchmark]: Toolchain (without parser) took 2112.44ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 41.9MB in the beginning and 67.9MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:19,761 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:19,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 974.38ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 41.7MB in the beginning and 74.4MB in the end (delta: -32.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-12 00:04:19,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 115.52ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 71.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:19,764 INFO L158 Benchmark]: Boogie Preprocessor took 88.06ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 69.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:19,766 INFO L158 Benchmark]: RCFGBuilder took 911.45ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 69.0MB in the end (delta: -455.3kB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-12 00:04:19,767 INFO L158 Benchmark]: CodeCheck took 16.18ms. Allocated memory is still 100.7MB. Free memory was 69.0MB in the beginning and 67.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:04:19,776 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 73.4MB. Free memory is still 49.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 974.38ms. Allocated memory was 73.4MB in the beginning and 100.7MB in the end (delta: 27.3MB). Free memory was 41.7MB in the beginning and 74.4MB in the end (delta: -32.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 115.52ms. Allocated memory is still 100.7MB. Free memory was 74.4MB in the beginning and 71.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.06ms. Allocated memory is still 100.7MB. Free memory was 71.4MB in the beginning and 69.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 911.45ms. Allocated memory is still 100.7MB. Free memory was 68.5MB in the beginning and 69.0MB in the end (delta: -455.3kB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * CodeCheck took 16.18ms. Allocated memory is still 100.7MB. Free memory was 69.0MB in the beginning and 67.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:04:19,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_da6d2898-9286-4a97-9e96-5f802bd11b20/bin/ukojak-verify-0OAaufAVZV/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