./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-5.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_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/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_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/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_28ad94b4-067f-498d-8ee3-bed932d9770d/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 e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:50,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:50,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:55:50,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:50,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:50,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:50,196 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:50,196 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:50,197 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:50,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:50,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:50,204 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:50,204 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:50,206 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:50,206 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:50,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:50,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:50,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:50,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:50,208 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:50,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:50,209 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:50,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:50,210 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:50,210 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:50,211 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:50,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:50,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:50,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:50,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:50,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:50,214 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:50,215 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:50,215 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:50,215 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_28ad94b4-067f-498d-8ee3-bed932d9770d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 [2023-11-11 23:55:50,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:50,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:50,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:50,528 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:50,528 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:50,530 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2023-11-11 23:55:53,509 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:53,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:53,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/sv-benchmarks/c/pthread/fib_unsafe-5.i [2023-11-11 23:55:53,854 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/data/aa9807aa8/a2a6e5b27259410c89ec72f3a97eaf6b/FLAG1aa40974e [2023-11-11 23:55:53,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/data/aa9807aa8/a2a6e5b27259410c89ec72f3a97eaf6b [2023-11-11 23:55:53,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:53,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:53,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:53,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:53,885 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:53,886 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,887 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b3a7d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:53, skipping insertion in model container [2023-11-11 23:55:53,888 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:53" (1/1) ... [2023-11-11 23:55:53,952 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:54,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:54,386 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:54,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:54,457 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:54,457 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:54,464 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:54,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54 WrapperNode [2023-11-11 23:55:54,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:54,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:54,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:54,466 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:54,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,486 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,507 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:55:54,507 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:54,508 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:54,508 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:54,508 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:54,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,521 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,521 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,531 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,533 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:54,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:54,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:54,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:54,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:54,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:54,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:54,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:54,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:55:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:55:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:55:54,605 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:55:54,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:55:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:55:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:54,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:55:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:54,608 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 23:55:54,758 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:54,759 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:54,958 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:54,986 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:54,986 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:55:54,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:54 BoogieIcfgContainer [2023-11-11 23:55:54,989 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:54,990 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:54,990 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:55,001 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:55,001 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:54" (1/1) ... [2023-11-11 23:55:55,002 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 23:55:55,007 INFO L158 Benchmark]: Toolchain (without parser) took 1129.29ms. Allocated memory is still 151.0MB. Free memory was 120.2MB in the beginning and 79.1MB in the end (delta: 41.1MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:55:55,007 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 151.0MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:55,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.42ms. Allocated memory is still 151.0MB. Free memory was 120.2MB in the beginning and 100.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:55:55,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.51ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:55,010 INFO L158 Benchmark]: Boogie Preprocessor took 30.20ms. Allocated memory is still 151.0MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:55,010 INFO L158 Benchmark]: RCFGBuilder took 450.58ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 80.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:55:55,011 INFO L158 Benchmark]: CodeCheck took 14.80ms. Allocated memory is still 151.0MB. Free memory was 80.0MB in the beginning and 79.1MB in the end (delta: 901.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:55,015 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 0.59ms. Allocated memory is still 151.0MB. Free memory is still 127.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.42ms. Allocated memory is still 151.0MB. Free memory was 120.2MB in the beginning and 100.5MB in the end (delta: 19.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.51ms. Allocated memory is still 151.0MB. Free memory was 100.5MB in the beginning and 98.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.20ms. Allocated memory is still 151.0MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.58ms. Allocated memory is still 151.0MB. Free memory was 97.1MB in the beginning and 80.0MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.80ms. Allocated memory is still 151.0MB. Free memory was 80.0MB in the beginning and 79.1MB in the end (delta: 901.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:55:55,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/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_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/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_28ad94b4-067f-498d-8ee3-bed932d9770d/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 e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:57,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:57,911 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:55:57,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:57,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:57,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:57,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:57,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:57,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:57,972 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:57,972 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:55:57,973 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:55:57,973 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:57,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:57,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:57,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:57,976 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:55:57,977 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:55:57,977 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:57,978 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:55:57,978 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:57,978 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:55:57,979 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:57,979 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:57,980 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:57,980 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:57,981 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:55:57,981 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:57,981 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:57,982 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:57,983 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:57,984 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:57,984 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:57,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:57,985 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:55:57,985 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:55:57,985 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:57,985 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:55:57,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:55:57,987 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_28ad94b4-067f-498d-8ee3-bed932d9770d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0f90189cbea201dcd094fc9e84327a00ade17017ada90c5df84c8712afaf176 [2023-11-11 23:55:58,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:58,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:58,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:58,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:58,454 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:58,456 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2023-11-11 23:56:01,611 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:56:01,916 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:56:01,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/sv-benchmarks/c/pthread/fib_unsafe-5.i [2023-11-11 23:56:01,932 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/data/8bf0f63ff/cba294e8906941438ad3a79585e260ce/FLAG7305e9d99 [2023-11-11 23:56:01,947 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/data/8bf0f63ff/cba294e8906941438ad3a79585e260ce [2023-11-11 23:56:01,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:56:01,951 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:56:01,952 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:01,952 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:56:01,957 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:56:01,958 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:01" (1/1) ... [2023-11-11 23:56:01,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eb7e4aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:01, skipping insertion in model container [2023-11-11 23:56:01,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:56:01" (1/1) ... [2023-11-11 23:56:02,008 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:56:02,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:02,422 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:56:02,489 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:56:02,616 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:02,616 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:56:02,624 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:56:02,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02 WrapperNode [2023-11-11 23:56:02,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:56:02,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:02,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:56:02,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:56:02,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,668 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,706 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 82 [2023-11-11 23:56:02,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:56:02,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:56:02,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:56:02,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:56:02,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,761 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:56:02,778 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:56:02,778 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:56:02,778 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:56:02,779 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:56:02" (1/1) ... [2023-11-11 23:56:02,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:56:02,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:56:02,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:56:02,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:56:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-11-11 23:56:02,870 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-11-11 23:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-11-11 23:56:02,871 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-11-11 23:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:56:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:56:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:56:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:56:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:56:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:56:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:56:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:56:02,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:56:02,876 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 23:56:03,077 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:56:03,080 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:56:03,384 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:56:03,411 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:56:03,411 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-11 23:56:03,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:03 BoogieIcfgContainer [2023-11-11 23:56:03,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:56:03,415 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:56:03,415 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:56:03,426 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:56:03,426 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:56:03" (1/1) ... [2023-11-11 23:56:03,427 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 23:56:03,432 INFO L158 Benchmark]: Toolchain (without parser) took 1480.06ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 45.4MB in the beginning and 44.5MB in the end (delta: 904.2kB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:03,432 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:03,433 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.01ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 45.2MB in the beginning and 67.6MB in the end (delta: -22.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-11 23:56:03,433 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.04ms. Allocated memory is still 94.4MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:03,439 INFO L158 Benchmark]: Boogie Preprocessor took 70.10ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:56:03,439 INFO L158 Benchmark]: RCFGBuilder took 636.47ms. Allocated memory is still 94.4MB. Free memory was 63.4MB in the beginning and 45.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:56:03,440 INFO L158 Benchmark]: CodeCheck took 15.16ms. Allocated memory is still 94.4MB. Free memory was 45.5MB in the beginning and 44.5MB in the end (delta: 982.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:56:03,450 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 0.21ms. Allocated memory is still 71.3MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.01ms. Allocated memory was 71.3MB in the beginning and 94.4MB in the end (delta: 23.1MB). Free memory was 45.2MB in the beginning and 67.6MB in the end (delta: -22.4MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.04ms. Allocated memory is still 94.4MB. Free memory was 67.6MB in the beginning and 65.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.10ms. Allocated memory is still 94.4MB. Free memory was 65.5MB in the beginning and 63.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 636.47ms. Allocated memory is still 94.4MB. Free memory was 63.4MB in the beginning and 45.5MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 15.16ms. Allocated memory is still 94.4MB. Free memory was 45.5MB in the beginning and 44.5MB in the end (delta: 982.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-11 23:56:03,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ad94b4-067f-498d-8ee3-bed932d9770d/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