./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_safe-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:53:43,334 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:53:43,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:53:43,462 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:53:43,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:53:43,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:53:43,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:53:43,525 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:53:43,526 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:53:43,531 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:53:43,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:53:43,532 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:53:43,532 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:53:43,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:53:43,535 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:53:43,535 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:53:43,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:53:43,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:53:43,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:53:43,537 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:53:43,538 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:53:43,538 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:53:43,539 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:53:43,539 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:53:43,540 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:53:43,540 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:53:43,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:53:43,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:43,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:53:43,543 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:53:43,544 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:53:43,544 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:53:43,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:53:43,545 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:53:43,545 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_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 [2023-11-11 23:53:43,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:53:43,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:53:43,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:53:43,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:53:43,918 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:53:43,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-11 23:53:47,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:53:47,392 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:53:47,393 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-11 23:53:47,408 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/data/6e6a59e2b/9a5c81696fe7438eb63b27be32fbf6ea/FLAG09968d79e [2023-11-11 23:53:47,422 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/data/6e6a59e2b/9a5c81696fe7438eb63b27be32fbf6ea [2023-11-11 23:53:47,424 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:53:47,426 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:53:47,427 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:47,427 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:53:47,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:53:47,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:47,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42b3583d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47, skipping insertion in model container [2023-11-11 23:53:47,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:47,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:47,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:47,833 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:53:47,908 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:47,955 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:53:47,955 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:53:47,963 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:53:47,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47 WrapperNode [2023-11-11 23:53:47,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:47,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:47,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:53:47,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:53:47,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,002 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,029 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:53:48,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:48,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:53:48,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:53:48,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:53:48,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:53:48,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:53:48,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:53:48,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:53:48,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:47" (1/1) ... [2023-11-11 23:53:48,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:48,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:53:48,126 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:53:48,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:53:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:53:48,192 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:53:48,192 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:53:48,193 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:53:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:53:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:53:48,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:53:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:53:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:53:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:53:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:53:48,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:53:48,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:53:48,198 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:53:48,441 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:53:48,444 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:53:48,669 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:53:48,693 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:53:48,694 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:53:48,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:48 BoogieIcfgContainer [2023-11-11 23:53:48,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:53:48,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:53:48,698 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:53:48,707 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:53:48,708 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:48" (1/1) ... [2023-11-11 23:53:48,709 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) [2023-11-11 23:53:48,713 INFO L158 Benchmark]: Toolchain (without parser) took 1286.88ms. Allocated memory is still 169.9MB. Free memory was 139.5MB in the beginning and 124.1MB in the end (delta: 15.4MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2023-11-11 23:53:48,713 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 121.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:48,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.98ms. Allocated memory is still 169.9MB. Free memory was 139.5MB in the beginning and 120.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:53:48,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.68ms. Allocated memory is still 169.9MB. Free memory was 120.3MB in the beginning and 118.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:48,715 INFO L158 Benchmark]: Boogie Preprocessor took 55.01ms. Allocated memory is still 169.9MB. Free memory was 118.2MB in the beginning and 116.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:48,716 INFO L158 Benchmark]: RCFGBuilder took 610.00ms. Allocated memory is still 169.9MB. Free memory was 116.6MB in the beginning and 124.9MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-11 23:53:48,717 INFO L158 Benchmark]: CodeCheck took 14.37ms. Allocated memory is still 169.9MB. Free memory was 124.9MB in the beginning and 124.1MB in the end (delta: 767.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:48,720 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 121.6MB. Free memory is still 94.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.98ms. Allocated memory is still 169.9MB. Free memory was 139.5MB in the beginning and 120.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.68ms. Allocated memory is still 169.9MB. Free memory was 120.3MB in the beginning and 118.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.01ms. Allocated memory is still 169.9MB. Free memory was 118.2MB in the beginning and 116.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.00ms. Allocated memory is still 169.9MB. Free memory was 116.6MB in the beginning and 124.9MB in the end (delta: -8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 14.37ms. Allocated memory is still 169.9MB. Free memory was 124.9MB in the beginning and 124.1MB in the end (delta: 767.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:53:48,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:53:51,586 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:53:51,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:53:51,782 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:53:51,783 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:53:51,784 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:53:51,786 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:53:51,786 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:53:51,788 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:53:51,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:53:51,789 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:53:51,790 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:53:51,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:53:51,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:53:51,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:53:51,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:53:51,792 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:53:51,792 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:53:51,793 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:53:51,795 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:53:51,796 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:53:51,796 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:53:51,797 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:53:51,797 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:53:51,798 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:53:51,798 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:53:51,798 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:53:51,799 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:53:51,799 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:53:51,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:53:51,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:51,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:53:51,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:53:51,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:53:51,803 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:53:51,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:53:51,803 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:53:51,803 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:53:51,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:53:51,804 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_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 [2023-11-11 23:53:52,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:53:52,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:53:52,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:53:52,302 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:53:52,303 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:53:52,304 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-11 23:53:55,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:53:56,219 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:53:56,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/sv-benchmarks/c/pthread/fib_safe-11.i [2023-11-11 23:53:56,244 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/data/297d70b2c/19149d5181eb462f8e6b091b8f2056c2/FLAGf316dba50 [2023-11-11 23:53:56,267 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/data/297d70b2c/19149d5181eb462f8e6b091b8f2056c2 [2023-11-11 23:53:56,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:53:56,277 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:53:56,278 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:56,279 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:53:56,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:53:56,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:56" (1/1) ... [2023-11-11 23:53:56,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50b6f9c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:56, skipping insertion in model container [2023-11-11 23:53:56,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:56" (1/1) ... [2023-11-11 23:53:56,357 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:56,915 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:56,936 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:53:57,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:57,064 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:53:57,064 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:53:57,072 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:53:57,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57 WrapperNode [2023-11-11 23:53:57,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:57,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:57,075 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:53:57,075 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:53:57,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,156 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:53:57,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:57,157 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:53:57,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:53:57,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:53:57,168 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,214 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,218 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,225 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:53:57,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:53:57,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:53:57,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:53:57,239 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:57,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:53:57,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:53:57,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:53:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:53:57,372 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:53:57,372 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:53:57,373 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:53:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:53:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:53:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:53:57,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:53:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:53:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:53:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:53:57,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:53:57,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:53:57,376 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:53:57,584 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:53:57,586 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:53:57,854 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:53:57,881 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:53:57,881 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:53:57,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:57 BoogieIcfgContainer [2023-11-11 23:53:57,884 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:53:57,886 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:53:57,886 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:53:57,897 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:53:57,897 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:57" (1/1) ... [2023-11-11 23:53:57,898 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) [2023-11-11 23:53:57,902 INFO L158 Benchmark]: Toolchain (without parser) took 1624.51ms. Allocated memory is still 67.1MB. Free memory was 42.5MB in the beginning and 29.5MB in the end (delta: 13.0MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-11 23:53:57,903 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:57,904 INFO L158 Benchmark]: CACSL2BoogieTranslator took 795.48ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 37.0MB in the end (delta: 5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:53:57,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.12ms. Allocated memory is still 67.1MB. Free memory was 36.7MB in the beginning and 34.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:57,905 INFO L158 Benchmark]: Boogie Preprocessor took 79.79ms. Allocated memory is still 67.1MB. Free memory was 34.7MB in the beginning and 32.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:57,906 INFO L158 Benchmark]: RCFGBuilder took 646.73ms. Allocated memory is still 67.1MB. Free memory was 32.6MB in the beginning and 30.3MB in the end (delta: 2.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-11 23:53:57,907 INFO L158 Benchmark]: CodeCheck took 15.07ms. Allocated memory is still 67.1MB. Free memory was 30.3MB in the beginning and 29.5MB in the end (delta: 865.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:57,911 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory is still 31.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 795.48ms. Allocated memory is still 67.1MB. Free memory was 42.2MB in the beginning and 37.0MB in the end (delta: 5.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.12ms. Allocated memory is still 67.1MB. Free memory was 36.7MB in the beginning and 34.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.79ms. Allocated memory is still 67.1MB. Free memory was 34.7MB in the beginning and 32.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.73ms. Allocated memory is still 67.1MB. Free memory was 32.6MB in the beginning and 30.3MB in the end (delta: 2.2MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * CodeCheck took 15.07ms. Allocated memory is still 67.1MB. Free memory was 30.3MB in the beginning and 29.5MB in the end (delta: 865.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:53:57,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_52991ef7-af76-40b6-9f87-7a4a31920775/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported