./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 6b4ec56b 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_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --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 36e808a478defaa615c1ab442b873bf1dcf0755619d70dbdef8cf1e327b14b9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:04:56,233 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:04:56,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:04:56,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:04:56,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:04:56,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:04:56,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:04:56,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:04:56,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:04:56,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:04:56,288 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:04:56,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:04:56,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:04:56,298 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:04:56,299 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:04:56,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:04:56,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:04:56,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:04:56,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:04:56,305 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:04:56,306 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:04:56,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:04:56,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:04:56,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:04:56,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:04:56,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:04:56,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:04:56,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:04:56,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:04:56,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:04:56,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:04:56,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:04:56,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:04:56,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:04:56,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:04:56,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:04:56,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:04:56,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:04:56,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:04:56,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:04:56,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:04:56,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 17:04:56,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:04:56,351 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:04:56,352 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:04:56,352 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:04:56,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:04:56,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:04:56,353 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:04:56,354 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:04:56,354 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:04:56,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:04:56,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:04:56,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:04:56,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:04:56,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:04:56,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:04:56,355 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:04:56,355 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:04:56,356 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:04:56,356 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:04:56,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:04:56,356 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:04:56,356 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:04:56,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:04:56,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:04:56,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:04:56,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:04:56,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:04:56,358 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:04:56,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:04:56,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:04:56,358 INFO L138 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_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36e808a478defaa615c1ab442b873bf1dcf0755619d70dbdef8cf1e327b14b9e [2022-11-20 17:04:56,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:04:56,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:04:56,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:04:56,722 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:04:56,722 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:04:56,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2022-11-20 17:04:59,911 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:05:00,267 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:05:00,268 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/sv-benchmarks/c/pthread/fib_unsafe-5.i [2022-11-20 17:05:00,286 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/data/c9826f9ee/b2b68ceb4a1c4a519af150e8009aef25/FLAG7d07a674d [2022-11-20 17:05:00,303 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/data/c9826f9ee/b2b68ceb4a1c4a519af150e8009aef25 [2022-11-20 17:05:00,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:05:00,310 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:05:00,314 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:05:00,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:05:00,318 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:05:00,319 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:00,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71181ca7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00, skipping insertion in model container [2022-11-20 17:05:00,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:00,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:05:00,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:05:00,814 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/sv-benchmarks/c/pthread/fib_unsafe-5.i[30243,30256] [2022-11-20 17:05:00,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:05:00,855 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:05:00,907 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/sv-benchmarks/c/pthread/fib_unsafe-5.i[30243,30256] [2022-11-20 17:05:00,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:05:00,959 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:05:00,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00 WrapperNode [2022-11-20 17:05:00,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:05:00,961 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:05:00,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:05:00,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:05:00,969 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:00,988 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,012 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-20 17:05:01,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:05:01,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:05:01,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:05:01,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:05:01,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,038 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:05:01,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:05:01,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:05:01,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:05:01,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:00" (1/1) ... [2022-11-20 17:05:01,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:05:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:05:01,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:05:01,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:05:01,134 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 17:05:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 17:05:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 17:05:01,135 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 17:05:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 17:05:01,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:05:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:05:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:05:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:05:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:05:01,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:05:01,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:05:01,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:05:01,139 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:05:01,320 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:05:01,322 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:05:01,620 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:05:01,647 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:05:01,647 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:05:01,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:01 BoogieIcfgContainer [2022-11-20 17:05:01,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:05:01,651 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:05:01,651 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:05:01,663 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:05:01,663 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:01" (1/1) ... [2022-11-20 17:05:01,664 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-20 17:05:01,668 INFO L158 Benchmark]: Toolchain (without parser) took 1357.92ms. Allocated memory is still 178.3MB. Free memory was 145.8MB in the beginning and 105.4MB in the end (delta: 40.3MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 17:05:01,669 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:01,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.70ms. Allocated memory is still 178.3MB. Free memory was 145.8MB in the beginning and 126.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 17:05:01,671 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.08ms. Allocated memory is still 178.3MB. Free memory was 126.4MB in the beginning and 124.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:05:01,672 INFO L158 Benchmark]: Boogie Preprocessor took 29.07ms. Allocated memory is still 178.3MB. Free memory was 124.3MB in the beginning and 122.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:05:01,673 INFO L158 Benchmark]: RCFGBuilder took 607.20ms. Allocated memory is still 178.3MB. Free memory was 122.7MB in the beginning and 106.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:05:01,674 INFO L158 Benchmark]: CodeCheck took 15.67ms. Allocated memory is still 178.3MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:01,684 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.70ms. Allocated memory is still 178.3MB. Free memory was 145.8MB in the beginning and 126.4MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.08ms. Allocated memory is still 178.3MB. Free memory was 126.4MB in the beginning and 124.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.07ms. Allocated memory is still 178.3MB. Free memory was 124.3MB in the beginning and 122.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 607.20ms. Allocated memory is still 178.3MB. Free memory was 122.7MB in the beginning and 106.5MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15.67ms. Allocated memory is still 178.3MB. Free memory was 106.5MB in the beginning and 105.4MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:05:01,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/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_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --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 36e808a478defaa615c1ab442b873bf1dcf0755619d70dbdef8cf1e327b14b9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 17:05:04,313 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:05:04,315 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:05:04,343 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:05:04,346 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:05:04,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:05:04,355 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:05:04,359 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:05:04,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:05:04,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:05:04,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:05:04,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:05:04,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:05:04,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:05:04,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:05:04,379 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:05:04,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:05:04,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:05:04,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:05:04,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:05:04,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:05:04,400 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:05:04,403 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:05:04,404 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:05:04,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:05:04,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:05:04,411 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:05:04,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:05:04,414 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:05:04,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:05:04,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:05:04,417 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:05:04,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:05:04,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:05:04,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:05:04,434 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:05:04,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:05:04,435 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:05:04,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:05:04,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:05:04,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:05:04,443 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 17:05:04,484 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:05:04,484 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:05:04,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:05:04,487 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:05:04,488 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:05:04,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:05:04,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:05:04,489 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 17:05:04,490 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:05:04,490 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 17:05:04,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:05:04,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:05:04,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:05:04,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:05:04,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 17:05:04,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 17:05:04,493 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:05:04,494 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 17:05:04,494 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 17:05:04,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:05:04,495 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:05:04,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:05:04,495 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:05:04,495 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:05:04,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:05:04,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:05:04,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:05:04,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:05:04,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:05:04,497 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 17:05:04,497 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 17:05:04,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:05:04,498 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 17:05:04,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 17:05:04,499 INFO L138 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_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 36e808a478defaa615c1ab442b873bf1dcf0755619d70dbdef8cf1e327b14b9e [2022-11-20 17:05:04,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:05:04,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:05:04,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:05:04,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:05:04,933 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:05:04,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/fib_unsafe-5.i [2022-11-20 17:05:08,218 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:05:08,509 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:05:08,509 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/sv-benchmarks/c/pthread/fib_unsafe-5.i [2022-11-20 17:05:08,522 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/data/1275d3826/5cd266c743a7459b856ba1c9644250dd/FLAG7085ea6c9 [2022-11-20 17:05:08,543 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/data/1275d3826/5cd266c743a7459b856ba1c9644250dd [2022-11-20 17:05:08,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:05:08,548 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:05:08,549 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:05:08,549 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:05:08,553 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:05:08,554 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:08" (1/1) ... [2022-11-20 17:05:08,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5324a822 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:08, skipping insertion in model container [2022-11-20 17:05:08,564 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:05:08" (1/1) ... [2022-11-20 17:05:08,571 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:05:08,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:05:09,100 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/sv-benchmarks/c/pthread/fib_unsafe-5.i[30243,30256] [2022-11-20 17:05:09,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:05:09,155 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:05:09,210 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/sv-benchmarks/c/pthread/fib_unsafe-5.i[30243,30256] [2022-11-20 17:05:09,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:05:09,294 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:05:09,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09 WrapperNode [2022-11-20 17:05:09,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:05:09,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:05:09,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:05:09,297 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:05:09,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,354 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-20 17:05:09,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:05:09,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:05:09,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:05:09,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:05:09,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,413 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:05:09,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:05:09,431 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:05:09,431 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:05:09,432 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:05:09" (1/1) ... [2022-11-20 17:05:09,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:05:09,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:05:09,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:05:09,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:05:09,542 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 17:05:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 17:05:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 17:05:09,543 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 17:05:09,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 17:05:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:05:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 17:05:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 17:05:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 17:05:09,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 17:05:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 17:05:09,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:05:09,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:05:09,547 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 17:05:09,761 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:05:09,769 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:05:10,128 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:05:10,151 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:05:10,151 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 17:05:10,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:10 BoogieIcfgContainer [2022-11-20 17:05:10,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:05:10,154 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:05:10,155 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:05:10,165 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:05:10,166 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:05:10" (1/1) ... [2022-11-20 17:05:10,166 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:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) 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:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-20 17:05:10,171 INFO L158 Benchmark]: Toolchain (without parser) took 1622.44ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 43.1MB in the beginning and 42.8MB in the end (delta: 279.0kB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-11-20 17:05:10,171 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 67.1MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:10,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 746.25ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 42.9MB in the beginning and 65.4MB in the end (delta: -22.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2022-11-20 17:05:10,173 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.31ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 63.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:05:10,173 INFO L158 Benchmark]: Boogie Preprocessor took 75.32ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 61.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:05:10,174 INFO L158 Benchmark]: RCFGBuilder took 722.80ms. Allocated memory is still 90.2MB. Free memory was 61.3MB in the beginning and 43.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:05:10,175 INFO L158 Benchmark]: CodeCheck took 14.59ms. Allocated memory is still 90.2MB. Free memory was 43.5MB in the beginning and 42.8MB in the end (delta: 706.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:05:10,184 INFO L339 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:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 67.1MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 746.25ms. Allocated memory was 67.1MB in the beginning and 90.2MB in the end (delta: 23.1MB). Free memory was 42.9MB in the beginning and 65.4MB in the end (delta: -22.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.31ms. Allocated memory is still 90.2MB. Free memory was 65.4MB in the beginning and 63.1MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.32ms. Allocated memory is still 90.2MB. Free memory was 63.1MB in the beginning and 61.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 722.80ms. Allocated memory is still 90.2MB. Free memory was 61.3MB in the beginning and 43.9MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.59ms. Allocated memory is still 90.2MB. Free memory was 43.5MB in the beginning and 42.8MB in the end (delta: 706.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 17:05:10,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_586b56ad-776c-4cb8-94fd-a29b884fc0ca/bin/ukojak-pZX7IvK2PQ/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