./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 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:47:18,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:47:18,835 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 22:47:18,839 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:47:18,839 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:47:18,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:47:18,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:47:18,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:47:18,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:47:18,862 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:47:18,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:47:18,864 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:47:18,864 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:47:18,865 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:47:18,865 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:47:18,866 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:47:18,866 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:47:18,867 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:47:18,867 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:47:18,868 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:47:18,868 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:47:18,870 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:47:18,870 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:47:18,871 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:47:18,871 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:47:18,872 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:47:18,872 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:47:18,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:47:18,873 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:18,873 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:47:18,874 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:47:18,874 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:47:18,875 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:47:18,875 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:47:18,875 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:47:18,875 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_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 [2023-12-02 22:47:19,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:47:19,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:47:19,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:47:19,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:47:19,100 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:47:19,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/fib_safe-11.i [2023-12-02 22:47:21,874 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:47:22,090 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:47:22,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/sv-benchmarks/c/pthread/fib_safe-11.i [2023-12-02 22:47:22,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/data/b4f2dcb1c/ff94f21de4334ea1a0853d7e0783ad51/FLAG799b32583 [2023-12-02 22:47:22,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/data/b4f2dcb1c/ff94f21de4334ea1a0853d7e0783ad51 [2023-12-02 22:47:22,122 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:47:22,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:47:22,125 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:22,125 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:47:22,129 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:47:22,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1248a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22, skipping insertion in model container [2023-12-02 22:47:22,130 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,174 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:47:22,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:22,477 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:47:22,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:22,541 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:22,541 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:22,547 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:47:22,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22 WrapperNode [2023-12-02 22:47:22,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:22,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:22,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:47:22,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:47:22,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,589 INFO L138 Inliner]: procedures = 165, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-12-02 22:47:22,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:22,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:47:22,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:47:22,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:47:22,598 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,607 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,618 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:47:22,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:47:22,619 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:47:22,619 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:47:22,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:22" (1/1) ... [2023-12-02 22:47:22,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:22,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:47:22,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:47:22,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:47:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-02 22:47:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-02 22:47:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-02 22:47:22,689 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-02 22:47:22,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 22:47:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:47:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:47:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:47:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:47:22,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:47:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:47:22,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:47:22,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:47:22,692 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:47:22,815 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:47:22,817 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:47:23,005 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:47:23,039 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:47:23,039 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 22:47:23,041 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:23 BoogieIcfgContainer [2023-12-02 22:47:23,041 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:47:23,042 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:47:23,042 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:47:23,053 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:47:23,053 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:23" (1/1) ... [2023-12-02 22:47:23,054 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:47:23,058 INFO L158 Benchmark]: Toolchain (without parser) took 933.41ms. Allocated memory is still 188.7MB. Free memory was 143.3MB in the beginning and 101.4MB in the end (delta: 41.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-12-02 22:47:23,058 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:47:23,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.67ms. Allocated memory is still 188.7MB. Free memory was 142.6MB in the beginning and 123.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:47:23,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.59ms. Allocated memory is still 188.7MB. Free memory was 123.0MB in the beginning and 121.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:47:23,060 INFO L158 Benchmark]: Boogie Preprocessor took 27.83ms. Allocated memory is still 188.7MB. Free memory was 121.5MB in the beginning and 119.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:47:23,061 INFO L158 Benchmark]: RCFGBuilder took 422.48ms. Allocated memory is still 188.7MB. Free memory was 119.6MB in the beginning and 102.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:47:23,061 INFO L158 Benchmark]: CodeCheck took 13.69ms. Allocated memory is still 188.7MB. Free memory was 102.0MB in the beginning and 101.4MB in the end (delta: 630.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:47:23,065 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 121.6MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.67ms. Allocated memory is still 188.7MB. Free memory was 142.6MB in the beginning and 123.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.59ms. Allocated memory is still 188.7MB. Free memory was 123.0MB in the beginning and 121.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.83ms. Allocated memory is still 188.7MB. Free memory was 121.5MB in the beginning and 119.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 422.48ms. Allocated memory is still 188.7MB. Free memory was 119.6MB in the beginning and 102.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13.69ms. Allocated memory is still 188.7MB. Free memory was 102.0MB in the beginning and 101.4MB in the end (delta: 630.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:47:23,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:47:24,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:47:25,036 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-12-02 22:47:25,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:47:25,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:47:25,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:47:25,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:47:25,080 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:47:25,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:47:25,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:47:25,082 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:47:25,083 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:47:25,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:47:25,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:47:25,084 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:47:25,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:47:25,085 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:47:25,086 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:47:25,086 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:47:25,087 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:47:25,087 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:47:25,088 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:47:25,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:47:25,089 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:47:25,089 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:47:25,090 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:47:25,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:47:25,091 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:25,091 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:47:25,092 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:47:25,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:25,093 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:47:25,093 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:47:25,093 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:47:25,094 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:47:25,094 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:47:25,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:47:25,094 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:47:25,094 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:47:25,095 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_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ab3b79be699544cc101a76da66f98a1e0e6116d5865ddc6f998abd49388964 [2023-12-02 22:47:25,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:47:25,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:47:25,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:47:25,411 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:47:25,412 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:47:25,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/pthread/fib_safe-11.i [2023-12-02 22:47:28,245 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:47:28,497 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:47:28,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/sv-benchmarks/c/pthread/fib_safe-11.i [2023-12-02 22:47:28,514 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/data/f27e624a9/08a6b946c14d4722877e2c62ccb50d26/FLAG81ae2bb6f [2023-12-02 22:47:28,528 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/data/f27e624a9/08a6b946c14d4722877e2c62ccb50d26 [2023-12-02 22:47:28,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:47:28,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:47:28,534 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:28,534 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:47:28,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:47:28,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:28" (1/1) ... [2023-12-02 22:47:28,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539170c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:28, skipping insertion in model container [2023-12-02 22:47:28,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:47:28" (1/1) ... [2023-12-02 22:47:28,590 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:47:28,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:28,924 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:47:28,967 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:47:29,015 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:29,015 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:47:29,023 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:47:29,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29 WrapperNode [2023-12-02 22:47:29,023 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:47:29,024 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:29,024 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:47:29,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:47:29,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,049 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,070 INFO L138 Inliner]: procedures = 168, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 81 [2023-12-02 22:47:29,071 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:47:29,071 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:47:29,072 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:47:29,072 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:47:29,081 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,085 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,095 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,101 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,107 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:47:29,108 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:47:29,108 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:47:29,108 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:47:29,109 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:47:29,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:47:29,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:47:29,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:47:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2023-12-02 22:47:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2023-12-02 22:47:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2023-12-02 22:47:29,174 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2023-12-02 22:47:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-12-02 22:47:29,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:47:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:47:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:47:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 22:47:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:47:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-12-02 22:47:29,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:47:29,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:47:29,177 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 22:47:29,324 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:47:29,327 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:47:29,554 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:47:29,586 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:47:29,586 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-12-02 22:47:29,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:29 BoogieIcfgContainer [2023-12-02 22:47:29,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:47:29,589 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:47:29,589 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:47:29,597 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:47:29,597 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:47:29" (1/1) ... [2023-12-02 22:47:29,598 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:359) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:47:29,602 INFO L158 Benchmark]: Toolchain (without parser) took 1068.42ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 43.9MB in the end (delta: 25.2MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2023-12-02 22:47:29,602 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 65.0MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:47:29,603 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.58ms. Allocated memory is still 94.4MB. Free memory was 69.0MB in the beginning and 68.0MB in the end (delta: 985.1kB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-12-02 22:47:29,603 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.56ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 65.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:47:29,604 INFO L158 Benchmark]: Boogie Preprocessor took 35.72ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:47:29,605 INFO L158 Benchmark]: RCFGBuilder took 480.21ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 44.9MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-02 22:47:29,606 INFO L158 Benchmark]: CodeCheck took 11.60ms. Allocated memory is still 94.4MB. Free memory was 44.9MB in the beginning and 43.9MB in the end (delta: 979.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:47:29,609 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 0.22ms. Allocated memory is still 65.0MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 489.58ms. Allocated memory is still 94.4MB. Free memory was 69.0MB in the beginning and 68.0MB in the end (delta: 985.1kB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.56ms. Allocated memory is still 94.4MB. Free memory was 68.0MB in the beginning and 65.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.72ms. Allocated memory is still 94.4MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.21ms. Allocated memory is still 94.4MB. Free memory was 63.7MB in the beginning and 44.9MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 11.60ms. Allocated memory is still 94.4MB. Free memory was 44.9MB in the beginning and 43.9MB in the end (delta: 979.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:47:29,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2a0a153-dc34-4c20-892d-81a7b10763d5/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported