./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/queue_ok_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC --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 f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:09:59,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:09:59,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:09:59,502 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:09:59,503 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:09:59,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:09:59,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:09:59,529 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:09:59,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:09:59,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:09:59,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:09:59,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:09:59,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:09:59,533 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:09:59,533 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:09:59,534 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:09:59,535 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:09:59,535 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:09:59,536 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:09:59,536 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:09:59,537 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:09:59,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:09:59,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:09:59,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:09:59,540 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:09:59,540 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:09:59,541 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:09:59,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:09:59,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:09:59,543 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:09:59,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:09:59,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:09:59,544 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:09:59,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:09:59,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:09:59,546 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_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a [2023-11-23 20:09:59,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:09:59,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:09:59,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:09:59,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:09:59,878 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:09:59,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/queue_ok_longer.i [2023-11-23 20:10:03,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:03,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:03,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/sv-benchmarks/c/pthread/queue_ok_longer.i [2023-11-23 20:10:03,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/data/814b03f67/cc8c7544fd5f4f44b26980f732e80fdf/FLAGc7f81bdb9 [2023-11-23 20:10:03,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/data/814b03f67/cc8c7544fd5f4f44b26980f732e80fdf [2023-11-23 20:10:03,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:03,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:03,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:03,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:03,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:03,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:03" (1/1) ... [2023-11-23 20:10:03,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10469167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:03, skipping insertion in model container [2023-11-23 20:10:03,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:03" (1/1) ... [2023-11-23 20:10:03,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:04,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:04,249 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:04,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:04,451 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:04,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04 WrapperNode [2023-11-23 20:10:04,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:04,454 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:04,454 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:04,454 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:04,463 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,539 INFO L138 Inliner]: procedures = 275, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2023-11-23 20:10:04,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:04,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:04,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:04,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:04,552 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,552 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,577 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,583 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:04,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:04,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:04,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:04,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:04" (1/1) ... [2023-11-23 20:10:04,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:04,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:04,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:04,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:04,671 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:10:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:10:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:10:04,672 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:10:04,672 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:10:04,673 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:10:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-23 20:10:04,674 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-23 20:10:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:04,674 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:10:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:10:04,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:10:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:10:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:10:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:04,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:04,679 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:10:04,858 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:04,861 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:05,247 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:05,297 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:05,297 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:10:05,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:05 BoogieIcfgContainer [2023-11-23 20:10:05,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:05,300 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:05,300 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:05,314 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:05,315 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:05" (1/1) ... [2023-11-23 20:10:05,316 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) [2023-11-23 20:10:05,320 INFO L158 Benchmark]: Toolchain (without parser) took 1925.43ms. Allocated memory is still 197.1MB. Free memory was 155.4MB in the beginning and 95.0MB in the end (delta: 60.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:05,321 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 197.1MB. Free memory was 167.6MB in the beginning and 167.4MB in the end (delta: 202.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:05,322 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1057.01ms. Allocated memory is still 197.1MB. Free memory was 155.4MB in the beginning and 125.1MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:10:05,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.72ms. Allocated memory is still 197.1MB. Free memory was 125.1MB in the beginning and 121.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:05,323 INFO L158 Benchmark]: Boogie Preprocessor took 46.56ms. Allocated memory is still 197.1MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:05,324 INFO L158 Benchmark]: RCFGBuilder took 710.84ms. Allocated memory is still 197.1MB. Free memory was 119.7MB in the beginning and 96.3MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:05,325 INFO L158 Benchmark]: CodeCheck took 18.47ms. Allocated memory is still 197.1MB. Free memory was 96.3MB in the beginning and 95.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:05,328 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 197.1MB. Free memory was 167.6MB in the beginning and 167.4MB in the end (delta: 202.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1057.01ms. Allocated memory is still 197.1MB. Free memory was 155.4MB in the beginning and 125.1MB in the end (delta: 30.3MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.72ms. Allocated memory is still 197.1MB. Free memory was 125.1MB in the beginning and 121.8MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.56ms. Allocated memory is still 197.1MB. Free memory was 121.8MB in the beginning and 119.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 710.84ms. Allocated memory is still 197.1MB. Free memory was 119.7MB in the beginning and 96.3MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * CodeCheck took 18.47ms. Allocated memory is still 197.1MB. Free memory was 96.3MB in the beginning and 95.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:10:05,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/queue_ok_longer.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC --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 f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:10:08,188 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:10:08,320 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-23 20:10:08,367 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:10:08,370 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:10:08,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:10:08,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:10:08,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:10:08,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:10:08,379 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:10:08,379 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:10:08,380 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:10:08,380 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:10:08,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:10:08,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:10:08,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:10:08,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:10:08,384 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:10:08,384 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:10:08,385 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:10:08,385 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:10:08,386 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:10:08,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:10:08,387 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:10:08,387 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:10:08,387 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:10:08,388 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:10:08,388 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:08,389 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:08,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:10:08,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:08,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:10:08,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:10:08,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:10:08,392 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:10:08,393 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:10:08,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:10:08,393 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:10:08,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:10:08,395 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_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f58af1aa15d4bec1241042c84c595fb9585ff7c461dd0b44f9fde0638838779a [2023-11-23 20:10:08,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:10:08,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:10:08,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:10:08,784 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:10:08,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:10:08,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/pthread/queue_ok_longer.i [2023-11-23 20:10:11,982 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:10:12,411 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:10:12,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/sv-benchmarks/c/pthread/queue_ok_longer.i [2023-11-23 20:10:12,445 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/data/c13d2f48c/2dab3cee193c41d6a1a30ccebe726493/FLAGcd8276026 [2023-11-23 20:10:12,476 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/data/c13d2f48c/2dab3cee193c41d6a1a30ccebe726493 [2023-11-23 20:10:12,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:10:12,486 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:10:12,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:12,491 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:10:12,496 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:10:12,497 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:12" (1/1) ... [2023-11-23 20:10:12,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ced65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:12, skipping insertion in model container [2023-11-23 20:10:12,498 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:10:12" (1/1) ... [2023-11-23 20:10:12,583 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:10:13,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:13,342 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:10:13,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:10:13,582 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:10:13,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13 WrapperNode [2023-11-23 20:10:13,583 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:10:13,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:13,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:10:13,585 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:10:13,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,705 INFO L138 Inliner]: procedures = 279, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 190 [2023-11-23 20:10:13,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:10:13,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:10:13,708 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:10:13,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:10:13,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,753 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,770 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,775 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,797 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:10:13,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:10:13,803 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:10:13,803 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:10:13,804 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:10:13" (1/1) ... [2023-11-23 20:10:13,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:10:13,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:10:13,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:10:13,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:10:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-11-23 20:10:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-11-23 20:10:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:10:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-23 20:10:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-23 20:10:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-23 20:10:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-23 20:10:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:10:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure empty [2023-11-23 20:10:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure empty [2023-11-23 20:10:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:10:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:10:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:10:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-23 20:10:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-23 20:10:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-23 20:10:13,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:10:13,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:10:13,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:10:13,919 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-23 20:10:14,113 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:10:14,116 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:10:14,564 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:10:14,591 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:10:14,591 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:10:14,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:14 BoogieIcfgContainer [2023-11-23 20:10:14,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:10:14,594 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:10:14,594 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:10:14,605 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:10:14,605 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:10:14" (1/1) ... [2023-11-23 20:10:14,606 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) [2023-11-23 20:10:14,610 INFO L158 Benchmark]: Toolchain (without parser) took 2123.48ms. Allocated memory is still 73.4MB. Free memory was 48.0MB in the beginning and 32.9MB in the end (delta: 15.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-23 20:10:14,611 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 52.4MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:10:14,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1092.90ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 48.9MB in the end (delta: -1.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2023-11-23 20:10:14,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.19ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 45.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:10:14,613 INFO L158 Benchmark]: Boogie Preprocessor took 94.22ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 43.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:14,614 INFO L158 Benchmark]: RCFGBuilder took 791.26ms. Allocated memory is still 73.4MB. Free memory was 43.0MB in the beginning and 33.8MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:10:14,614 INFO L158 Benchmark]: CodeCheck took 14.56ms. Allocated memory is still 73.4MB. Free memory was 33.8MB in the beginning and 32.9MB in the end (delta: 902.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:10:14,618 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 0.32ms. Allocated memory is still 52.4MB. Free memory was 29.1MB in the beginning and 29.1MB in the end (delta: 31.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1092.90ms. Allocated memory is still 73.4MB. Free memory was 47.8MB in the beginning and 48.9MB in the end (delta: -1.0MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.19ms. Allocated memory is still 73.4MB. Free memory was 48.6MB in the beginning and 45.6MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.22ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 43.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 791.26ms. Allocated memory is still 73.4MB. Free memory was 43.0MB in the beginning and 33.8MB in the end (delta: 9.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.56ms. Allocated memory is still 73.4MB. Free memory was 33.8MB in the beginning and 32.9MB in the end (delta: 902.9kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:10:14,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb630183-b3e6-48dc-8682-c8ad251e6134/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported