./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9 --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 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:57:21,039 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:57:21,105 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 23:57:21,109 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:57:21,110 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:57:21,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:57:21,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:57:21,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:57:21,136 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:57:21,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:57:21,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:57:21,137 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:57:21,138 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:57:21,138 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:57:21,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:57:21,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:57:21,140 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:57:21,140 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:57:21,141 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:57:21,141 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:57:21,142 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:57:21,144 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:57:21,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:57:21,145 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:57:21,145 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:57:21,145 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:57:21,146 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:57:21,146 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:57:21,147 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:57:21,147 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:57:21,148 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:57:21,148 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:57:21,148 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:57:21,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:57:21,149 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:57:21,149 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_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2023-12-02 23:57:21,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:57:21,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:57:21,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:57:21,381 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:57:21,381 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:57:21,383 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-12-02 23:57:24,122 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:57:24,413 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:57:24,414 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-12-02 23:57:24,437 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/data/efcef2065/1ed89f6b1fdd4405ae188fe5f4896dbf/FLAGb851dc6c7 [2023-12-02 23:57:24,453 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/data/efcef2065/1ed89f6b1fdd4405ae188fe5f4896dbf [2023-12-02 23:57:24,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:57:24,457 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:57:24,459 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:57:24,459 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:57:24,464 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:57:24,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:57:24" (1/1) ... [2023-12-02 23:57:24,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@392c3ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:24, skipping insertion in model container [2023-12-02 23:57:24,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:57:24" (1/1) ... [2023-12-02 23:57:24,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:57:25,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:57:25,214 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:57:25,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:57:25,425 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:57:25,433 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:57:25,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25 WrapperNode [2023-12-02 23:57:25,434 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:57:25,435 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:57:25,436 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:57:25,436 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:57:25,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,517 INFO L138 Inliner]: procedures = 429, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 497 [2023-12-02 23:57:25,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:57:25,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:57:25,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:57:25,519 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:57:25,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,558 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:57:25,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:57:25,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:57:25,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:57:25,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:25" (1/1) ... [2023-12-02 23:57:25,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:57:25,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:57:25,610 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:57:25,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:57:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2023-12-02 23:57:25,649 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2023-12-02 23:57:25,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:57:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 23:57:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 23:57:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:57:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-02 23:57:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:57:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:57:25,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:57:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:57:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:57:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:57:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2023-12-02 23:57:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2023-12-02 23:57:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 23:57:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 23:57:25,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:57:25,653 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:57:25,834 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:57:25,836 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:57:26,497 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:57:26,533 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:57:26,533 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-12-02 23:57:26,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:26 BoogieIcfgContainer [2023-12-02 23:57:26,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:57:26,536 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:57:26,536 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:57:26,547 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:57:26,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:26" (1/1) ... [2023-12-02 23:57:26,548 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 23:57:26,552 INFO L158 Benchmark]: Toolchain (without parser) took 2094.22ms. Allocated memory is still 151.0MB. Free memory was 104.5MB in the beginning and 97.6MB in the end (delta: 6.9MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2023-12-02 23:57:26,553 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 100.7MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:57:26,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 975.68ms. Allocated memory is still 151.0MB. Free memory was 104.2MB in the beginning and 97.8MB in the end (delta: 6.4MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-12-02 23:57:26,554 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.91ms. Allocated memory is still 151.0MB. Free memory was 97.8MB in the beginning and 93.1MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:57:26,555 INFO L158 Benchmark]: Boogie Preprocessor took 58.82ms. Allocated memory is still 151.0MB. Free memory was 93.1MB in the beginning and 89.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:57:26,555 INFO L158 Benchmark]: RCFGBuilder took 956.90ms. Allocated memory is still 151.0MB. Free memory was 89.4MB in the beginning and 99.2MB in the end (delta: -9.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-12-02 23:57:26,556 INFO L158 Benchmark]: CodeCheck took 14.58ms. Allocated memory is still 151.0MB. Free memory was 99.2MB in the beginning and 97.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:57:26,559 INFO L338 ainManager$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 0.19ms. Allocated memory is still 100.7MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 975.68ms. Allocated memory is still 151.0MB. Free memory was 104.2MB in the beginning and 97.8MB in the end (delta: 6.4MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.91ms. Allocated memory is still 151.0MB. Free memory was 97.8MB in the beginning and 93.1MB in the end (delta: 4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.82ms. Allocated memory is still 151.0MB. Free memory was 93.1MB in the beginning and 89.4MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 956.90ms. Allocated memory is still 151.0MB. Free memory was 89.4MB in the beginning and 99.2MB in the end (delta: -9.8MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * CodeCheck took 14.58ms. Allocated memory is still 151.0MB. Free memory was 99.2MB in the beginning and 97.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 23:57:26,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/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_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/bounded_buffer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9 --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 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:57:28,579 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:57:28,661 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 23:57:28,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:57:28,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:57:28,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:57:28,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:57:28,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:57:28,698 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:57:28,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:57:28,699 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:57:28,700 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:57:28,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:57:28,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:57:28,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:57:28,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:57:28,702 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:57:28,703 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:57:28,703 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:57:28,704 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:57:28,704 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:57:28,705 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:57:28,706 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:57:28,706 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:57:28,707 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:57:28,707 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:57:28,707 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:57:28,708 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:28,708 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:57:28,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:57:28,709 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:57:28,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:57:28,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:57:28,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:57:28,711 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:57:28,711 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:57:28,712 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:57:28,712 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:57:28,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:57:28,712 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_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6780d9b269575eab8bb01b5a192a21fa771f6fcc4c495cab5abe1df10d7681d5 [2023-12-02 23:57:29,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:57:29,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:57:29,029 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:57:29,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:57:29,030 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:57:29,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-12-02 23:57:31,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:57:32,157 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:57:32,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/sv-benchmarks/c/pthread-complex/bounded_buffer.i [2023-12-02 23:57:32,181 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/data/3c937b9c1/e040b5eecd7349ff9f42cacaa8b0e81e/FLAG3993c5c01 [2023-12-02 23:57:32,197 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/data/3c937b9c1/e040b5eecd7349ff9f42cacaa8b0e81e [2023-12-02 23:57:32,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:57:32,201 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:57:32,203 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:57:32,203 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:57:32,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:57:32,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:57:32" (1/1) ... [2023-12-02 23:57:32,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d92f993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:32, skipping insertion in model container [2023-12-02 23:57:32,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:57:32" (1/1) ... [2023-12-02 23:57:32,272 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:57:33,131 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:57:33,146 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:57:33,165 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:57:33,233 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:57:33,240 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:57:33,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:57:33,445 WARN L675 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:57:33,452 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:57:33,453 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33 WrapperNode [2023-12-02 23:57:33,453 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:57:33,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:57:33,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:57:33,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:57:33,462 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,534 INFO L138 Inliner]: procedures = 432, calls = 137, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 491 [2023-12-02 23:57:33,535 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:57:33,535 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:57:33,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:57:33,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:57:33,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,583 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,593 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:57:33,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:57:33,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:57:33,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:57:33,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:57:33" (1/1) ... [2023-12-02 23:57:33,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:57:33,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:57:33,641 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:57:33,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:57:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2023-12-02 23:57:33,676 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2023-12-02 23:57:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:57:33,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:57:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 23:57:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-12-02 23:57:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-12-02 23:57:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:57:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:57:33,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:57:33,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:57:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:57:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:57:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:57:33,678 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2023-12-02 23:57:33,678 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2023-12-02 23:57:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 23:57:33,679 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 23:57:33,681 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 23:57:33,876 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:57:33,878 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:57:35,206 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:57:35,244 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:57:35,245 INFO L309 CfgBuilder]: Removed 11 assume(true) statements. [2023-12-02 23:57:35,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:35 BoogieIcfgContainer [2023-12-02 23:57:35,247 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:57:35,248 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:57:35,248 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:57:35,258 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:57:35,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:57:35" (1/1) ... [2023-12-02 23:57:35,259 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) [2023-12-02 23:57:35,264 INFO L158 Benchmark]: Toolchain (without parser) took 3061.83ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 40.1MB in the end (delta: 29.3MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB. [2023-12-02 23:57:35,264 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:57:35,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.38ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 49.9MB in the end (delta: 19.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-12-02 23:57:35,266 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.68ms. Allocated memory is still 96.5MB. Free memory was 49.9MB in the beginning and 45.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:57:35,267 INFO L158 Benchmark]: Boogie Preprocessor took 65.32ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 41.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:57:35,267 INFO L158 Benchmark]: RCFGBuilder took 1645.53ms. Allocated memory is still 96.5MB. Free memory was 41.1MB in the beginning and 41.2MB in the end (delta: -97.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 23:57:35,268 INFO L158 Benchmark]: CodeCheck took 14.50ms. Allocated memory is still 96.5MB. Free memory was 41.2MB in the beginning and 40.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:57:35,271 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 0.14ms. Allocated memory is still 71.3MB. Free memory was 48.0MB in the beginning and 47.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.38ms. Allocated memory is still 96.5MB. Free memory was 69.3MB in the beginning and 49.9MB in the end (delta: 19.3MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.68ms. Allocated memory is still 96.5MB. Free memory was 49.9MB in the beginning and 45.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.32ms. Allocated memory is still 96.5MB. Free memory was 45.3MB in the beginning and 41.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1645.53ms. Allocated memory is still 96.5MB. Free memory was 41.1MB in the beginning and 41.2MB in the end (delta: -97.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14.50ms. Allocated memory is still 96.5MB. Free memory was 41.2MB in the beginning and 40.1MB 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. [2023-12-02 23:57:35,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4670548-c4b6-4ebc-9a1c-97536a2d02da/bin/ukojak-verify-Qdu7aM0XO9/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