./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_safe-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash deae7fd0ef95d67bb618281e50bfba6f50a83de212ef14f46660866b256c6152 --- 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-dbf71c6-m [2022-10-17 17:00:05,889 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:05,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:05,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:05,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:05,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:05,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:05,953 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:05,955 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:05,956 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:05,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:05,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:05,960 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:05,961 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:05,962 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:05,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:05,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:05,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:05,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:05,970 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:05,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:05,974 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:05,975 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:05,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:05,981 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:05,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:05,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:05,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:05,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:05,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:05,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:05,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:05,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:05,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:05,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:05,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:05,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:05,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:05,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:05,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:05,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:05,994 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:00:06,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:06,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:06,025 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:06,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:06,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:06,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:06,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:06,026 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:06,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:06,027 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:06,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:06,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:06,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:06,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:06,028 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:06,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:06,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:06,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:06,029 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:06,029 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:06,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:06,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:06,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:06,030 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:06,030 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:06,030 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:06,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:06,030 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:06,031 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_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deae7fd0ef95d67bb618281e50bfba6f50a83de212ef14f46660866b256c6152 [2022-10-17 17:00:06,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:06,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:06,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:06,374 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:06,376 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:06,378 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_safe-11.i [2022-10-17 17:00:06,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data/8fc454878/084a316fc9ff49d9a62b0c03b86bbdca/FLAGcc8c304c6 [2022-10-17 17:00:07,098 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:07,098 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/sv-benchmarks/c/pthread/fib_safe-11.i [2022-10-17 17:00:07,115 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data/8fc454878/084a316fc9ff49d9a62b0c03b86bbdca/FLAGcc8c304c6 [2022-10-17 17:00:07,368 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data/8fc454878/084a316fc9ff49d9a62b0c03b86bbdca [2022-10-17 17:00:07,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:07,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:07,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:07,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:07,379 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:07,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:07" (1/1) ... [2022-10-17 17:00:07,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28767a95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:07, skipping insertion in model container [2022-10-17 17:00:07,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:07" (1/1) ... [2022-10-17 17:00:07,391 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:07,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:08,020 WARN L230 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_bf736186-27e2-4357-9af1-7da8e813d33e/sv-benchmarks/c/pthread/fib_safe-11.i[30815,30828] [2022-10-17 17:00:08,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:08,034 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:08,099 WARN L230 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_bf736186-27e2-4357-9af1-7da8e813d33e/sv-benchmarks/c/pthread/fib_safe-11.i[30815,30828] [2022-10-17 17:00:08,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:08,155 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:08,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08 WrapperNode [2022-10-17 17:00:08,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:08,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:08,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:08,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:08,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,239 INFO L138 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 17:00:08,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:08,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:08,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:08,242 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:08,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,291 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:08,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:08,308 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:08,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:08,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:08,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:08,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:08,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 17:00:08,403 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 17:00:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 17:00:08,404 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 17:00:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:00:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 17:00:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:00:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 17:00:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:08,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:08,407 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:00:08,545 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:08,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:08,776 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:08,786 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:08,786 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:00:08,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:08 BoogieIcfgContainer [2022-10-17 17:00:08,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:08,791 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:08,791 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:08,812 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:08,812 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:08" (1/1) ... [2022-10-17 17:00:08,814 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) [2022-10-17 17:00:08,819 INFO L158 Benchmark]: Toolchain (without parser) took 1445.59ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 36.4MB in the end (delta: 27.5MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-10-17 17:00:08,822 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 41.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:08,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 782.70ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 54.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 17:00:08,824 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.43ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 52.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:08,825 INFO L158 Benchmark]: Boogie Preprocessor took 66.21ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 50.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:08,826 INFO L158 Benchmark]: RCFGBuilder took 481.61ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 37.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 17:00:08,827 INFO L158 Benchmark]: CodeCheck took 26.30ms. Allocated memory is still 88.1MB. Free memory was 37.4MB in the beginning and 36.4MB in the end (delta: 976.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:08,842 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 0.33ms. Allocated memory is still 88.1MB. Free memory was 60.8MB in the beginning and 60.8MB in the end (delta: 41.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 782.70ms. Allocated memory is still 88.1MB. Free memory was 63.9MB in the beginning and 54.2MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.43ms. Allocated memory is still 88.1MB. Free memory was 54.2MB in the beginning and 52.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.21ms. Allocated memory is still 88.1MB. Free memory was 52.3MB in the beginning and 50.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.61ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 37.4MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 26.30ms. Allocated memory is still 88.1MB. Free memory was 37.4MB in the beginning and 36.4MB in the end (delta: 976.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:00:08,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash deae7fd0ef95d67bb618281e50bfba6f50a83de212ef14f46660866b256c6152 --- 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-dbf71c6-m [2022-10-17 17:00:11,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:11,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:11,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:11,666 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:11,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:11,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:11,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:11,684 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:11,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:11,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:11,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:11,698 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:11,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:11,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:11,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:11,706 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:11,707 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:11,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:11,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:11,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:11,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:11,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:11,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:11,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:11,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:11,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:11,744 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:11,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:11,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:11,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:11,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:11,750 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:11,751 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:11,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:11,753 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:11,754 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:11,754 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:11,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:11,756 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:11,757 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:11,758 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 17:00:11,804 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:11,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:11,807 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:11,807 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:11,809 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:11,809 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:11,810 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:11,810 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:00:11,810 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:00:11,810 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:11,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:11,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:11,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:11,812 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 17:00:11,812 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 17:00:11,813 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 17:00:11,813 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:00:11,813 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:11,813 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:11,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:11,814 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:11,814 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:11,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:11,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:11,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:11,815 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:11,815 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:11,816 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 17:00:11,816 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 17:00:11,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:11,816 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 17:00:11,817 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 17:00:11,817 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_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> deae7fd0ef95d67bb618281e50bfba6f50a83de212ef14f46660866b256c6152 [2022-10-17 17:00:12,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:12,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:12,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:12,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:12,278 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:12,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_safe-11.i [2022-10-17 17:00:12,372 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data/90281b573/5f1c1d970e6e4b7e98ba7be3aed700b8/FLAGb7ae7dbd7 [2022-10-17 17:00:13,108 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:13,109 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/sv-benchmarks/c/pthread/fib_safe-11.i [2022-10-17 17:00:13,133 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data/90281b573/5f1c1d970e6e4b7e98ba7be3aed700b8/FLAGb7ae7dbd7 [2022-10-17 17:00:13,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/data/90281b573/5f1c1d970e6e4b7e98ba7be3aed700b8 [2022-10-17 17:00:13,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:13,406 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:13,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:13,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:13,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:13,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:13" (1/1) ... [2022-10-17 17:00:13,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c7d856e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:13, skipping insertion in model container [2022-10-17 17:00:13,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:13" (1/1) ... [2022-10-17 17:00:13,435 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:13,486 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:13,970 WARN L230 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_bf736186-27e2-4357-9af1-7da8e813d33e/sv-benchmarks/c/pthread/fib_safe-11.i[30815,30828] [2022-10-17 17:00:13,974 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:13,990 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:14,066 WARN L230 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_bf736186-27e2-4357-9af1-7da8e813d33e/sv-benchmarks/c/pthread/fib_safe-11.i[30815,30828] [2022-10-17 17:00:14,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:14,134 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:14,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14 WrapperNode [2022-10-17 17:00:14,135 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:14,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:14,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:14,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:14,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,226 INFO L138 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 17:00:14,227 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:14,228 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:14,228 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:14,228 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:14,239 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,239 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,288 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,300 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:14,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:14,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:14,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:14,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:14" (1/1) ... [2022-10-17 17:00:14,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:14,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:14,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:14,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:14,408 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 17:00:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 17:00:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 17:00:14,409 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 17:00:14,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 17:00:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:00:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:00:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:00:14,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 17:00:14,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 17:00:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 17:00:14,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:14,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:14,414 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 17:00:14,679 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:14,682 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:15,041 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:15,050 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:15,050 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 17:00:15,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:15 BoogieIcfgContainer [2022-10-17 17:00:15,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:15,054 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:15,055 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:15,067 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:15,067 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:15" (1/1) ... [2022-10-17 17:00:15,068 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) [2022-10-17 17:00:15,072 INFO L158 Benchmark]: Toolchain (without parser) took 1664.96ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 43.1MB in the beginning and 50.7MB in the end (delta: -7.6MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-10-17 17:00:15,073 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 17:00:15,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.73ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 38.6MB in the end (delta: 4.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 17:00:15,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.33ms. Allocated memory is still 65.0MB. Free memory was 38.5MB in the beginning and 36.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:15,076 INFO L158 Benchmark]: Boogie Preprocessor took 80.15ms. Allocated memory is still 65.0MB. Free memory was 36.4MB in the beginning and 34.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:15,077 INFO L158 Benchmark]: RCFGBuilder took 744.66ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.5MB in the beginning and 51.6MB in the end (delta: -17.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. [2022-10-17 17:00:15,078 INFO L158 Benchmark]: CodeCheck took 15.91ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 50.7MB in the end (delta: 830.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 17:00:15,083 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 0.40ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 45.5MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 727.73ms. Allocated memory is still 65.0MB. Free memory was 42.9MB in the beginning and 38.6MB in the end (delta: 4.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.33ms. Allocated memory is still 65.0MB. Free memory was 38.5MB in the beginning and 36.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.15ms. Allocated memory is still 65.0MB. Free memory was 36.4MB in the beginning and 34.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 744.66ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 34.5MB in the beginning and 51.6MB in the end (delta: -17.0MB). Peak memory consumption was 10.2MB. Max. memory is 16.1GB. * CodeCheck took 15.91ms. Allocated memory is still 79.7MB. Free memory was 51.6MB in the beginning and 50.7MB in the end (delta: 830.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 17:00:15,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf736186-27e2-4357-9af1-7da8e813d33e/bin/ukojak-92XMlrwhuB/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