./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/fib_safe-6.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_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/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_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/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_a53a0d1c-9f53-4b18-bb89-957e715624b0/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 6959d4f0e51834399b1f177b2907c6f040a7f82b22df70a4ffbb4c40805c24f4 --- 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 16:30:53,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:53,286 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:53,320 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:53,320 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:53,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:53,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:53,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:53,329 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:53,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:53,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:53,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:53,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:53,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:53,338 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:53,339 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:53,341 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:53,342 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:53,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:53,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:53,350 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:53,351 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:53,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:53,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:53,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:53,360 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:53,361 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:53,362 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:53,363 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:53,364 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:53,365 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:53,366 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:53,367 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:53,368 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:53,370 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:53,370 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:53,371 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:53,372 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:53,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:53,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:53,374 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:53,375 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:30:53,399 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:53,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:53,400 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:53,401 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:53,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:53,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:53,402 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:53,402 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:53,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:30:53,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:53,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:53,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:53,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:53,407 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:53,407 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:53,407 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:53,408 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:53,408 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:53,408 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:53,408 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:53,409 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:53,409 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:53,409 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:53,410 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:53,410 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:53,410 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:30:53,411 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:30:53,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:53,412 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_a53a0d1c-9f53-4b18-bb89-957e715624b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6959d4f0e51834399b1f177b2907c6f040a7f82b22df70a4ffbb4c40805c24f4 [2022-10-17 16:30:53,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:53,722 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:53,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:53,728 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:53,729 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:53,732 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_safe-6.i [2022-10-17 16:30:53,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data/2798d2d16/fd210a7c1ed147e389656f384c426dbc/FLAGf4710176a [2022-10-17 16:30:54,326 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:54,327 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/sv-benchmarks/c/pthread/fib_safe-6.i [2022-10-17 16:30:54,340 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data/2798d2d16/fd210a7c1ed147e389656f384c426dbc/FLAGf4710176a [2022-10-17 16:30:54,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data/2798d2d16/fd210a7c1ed147e389656f384c426dbc [2022-10-17 16:30:54,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:30:54,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:30:54,665 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:54,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:30:54,669 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:30:54,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:54" (1/1) ... [2022-10-17 16:30:54,671 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f899c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:54, skipping insertion in model container [2022-10-17 16:30:54,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:30:54" (1/1) ... [2022-10-17 16:30:54,693 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:30:54,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:30:55,149 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_a53a0d1c-9f53-4b18-bb89-957e715624b0/sv-benchmarks/c/pthread/fib_safe-6.i[30813,30826] [2022-10-17 16:30:55,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:55,161 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:30:55,200 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_a53a0d1c-9f53-4b18-bb89-957e715624b0/sv-benchmarks/c/pthread/fib_safe-6.i[30813,30826] [2022-10-17 16:30:55,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:30:55,245 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:30:55,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55 WrapperNode [2022-10-17 16:30:55,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:30:55,247 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:55,247 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:30:55,247 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:30:55,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,296 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,329 INFO L138 Inliner]: procedures = 164, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:30:55,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:30:55,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:30:55,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:30:55,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:30:55,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,366 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,368 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:30:55,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:30:55,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:30:55,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:30:55,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:55,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:30:55,422 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:30:55,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:30:55,473 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:30:55,474 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:30:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:30:55,475 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:30:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:30:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:30:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:30:55,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:30:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:30:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:30:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:30:55,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:30:55,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:30:55,478 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 16:30:55,640 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:30:55,643 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:30:55,892 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:30:55,901 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:30:55,901 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:30:55,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:55 BoogieIcfgContainer [2022-10-17 16:30:55,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:30:55,905 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:30:55,905 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:30:55,917 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:30:55,917 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:30:55" (1/1) ... [2022-10-17 16:30:55,918 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 16:30:55,922 INFO L158 Benchmark]: Toolchain (without parser) took 1257.79ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 43.6MB in the beginning and 66.2MB in the end (delta: -22.6MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2022-10-17 16:30:55,923 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 86.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:55,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.53ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 43.4MB in the beginning and 84.6MB in the end (delta: -41.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:30:55,925 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.42ms. Allocated memory is still 119.5MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:55,926 INFO L158 Benchmark]: Boogie Preprocessor took 49.61ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:30:55,927 INFO L158 Benchmark]: RCFGBuilder took 523.48ms. Allocated memory is still 119.5MB. Free memory was 81.1MB in the beginning and 67.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:30:55,927 INFO L158 Benchmark]: CodeCheck took 15.35ms. Allocated memory is still 119.5MB. Free memory was 67.2MB in the beginning and 66.2MB in the end (delta: 998.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:30:55,931 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 0.36ms. Allocated memory is still 86.0MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.53ms. Allocated memory was 86.0MB in the beginning and 119.5MB in the end (delta: 33.6MB). Free memory was 43.4MB in the beginning and 84.6MB in the end (delta: -41.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.42ms. Allocated memory is still 119.5MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.61ms. Allocated memory is still 119.5MB. Free memory was 82.5MB in the beginning and 81.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.48ms. Allocated memory is still 119.5MB. Free memory was 81.1MB in the beginning and 67.5MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 15.35ms. Allocated memory is still 119.5MB. Free memory was 67.2MB in the beginning and 66.2MB in the end (delta: 998.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:30:55,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/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_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/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_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_safe-6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/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_a53a0d1c-9f53-4b18-bb89-957e715624b0/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 6959d4f0e51834399b1f177b2907c6f040a7f82b22df70a4ffbb4c40805c24f4 --- 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 16:30:58,441 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:30:58,444 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:30:58,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:30:58,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:30:58,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:30:58,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:30:58,528 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:30:58,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:30:58,543 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:30:58,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:30:58,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:30:58,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:30:58,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:30:58,549 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:30:58,550 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:30:58,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:30:58,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:30:58,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:30:58,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:30:58,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:30:58,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:30:58,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:30:58,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:30:58,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:30:58,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:30:58,588 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:30:58,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:30:58,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:30:58,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:30:58,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:30:58,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:30:58,596 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:30:58,597 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:30:58,598 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:30:58,598 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:30:58,599 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:30:58,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:30:58,600 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:30:58,601 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:30:58,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:30:58,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:30:58,637 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:30:58,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:30:58,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:30:58,640 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:30:58,642 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:30:58,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:30:58,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:30:58,642 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:30:58,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:30:58,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:30:58,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:30:58,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:30:58,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:30:58,645 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:30:58,645 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:30:58,645 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:30:58,645 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:30:58,645 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:30:58,646 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:30:58,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:30:58,646 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:30:58,646 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:30:58,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:30:58,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:30:58,647 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:30:58,647 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:30:58,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:30:58,648 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:30:58,648 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:30:58,648 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:30:58,648 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:30:58,648 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:30:58,649 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_a53a0d1c-9f53-4b18-bb89-957e715624b0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6959d4f0e51834399b1f177b2907c6f040a7f82b22df70a4ffbb4c40805c24f4 [2022-10-17 16:30:59,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:30:59,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:30:59,134 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:30:59,135 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:30:59,136 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:30:59,138 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread/fib_safe-6.i [2022-10-17 16:30:59,215 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data/e21d6068b/752def716eed425faa2dd89627b89eaa/FLAG07a588f6b [2022-10-17 16:30:59,878 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:30:59,884 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/sv-benchmarks/c/pthread/fib_safe-6.i [2022-10-17 16:30:59,902 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data/e21d6068b/752def716eed425faa2dd89627b89eaa/FLAG07a588f6b [2022-10-17 16:31:00,113 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/data/e21d6068b/752def716eed425faa2dd89627b89eaa [2022-10-17 16:31:00,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:31:00,121 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:31:00,122 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:00,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:31:00,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:31:00,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e584e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00, skipping insertion in model container [2022-10-17 16:31:00,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:31:00,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:31:00,572 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_a53a0d1c-9f53-4b18-bb89-957e715624b0/sv-benchmarks/c/pthread/fib_safe-6.i[30813,30826] [2022-10-17 16:31:00,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:00,588 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:31:00,628 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_a53a0d1c-9f53-4b18-bb89-957e715624b0/sv-benchmarks/c/pthread/fib_safe-6.i[30813,30826] [2022-10-17 16:31:00,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:31:00,671 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:31:00,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00 WrapperNode [2022-10-17 16:31:00,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:31:00,673 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:00,673 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:31:00,673 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:31:00,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,722 INFO L138 Inliner]: procedures = 167, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-10-17 16:31:00,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:31:00,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:31:00,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:31:00,724 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:31:00,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,753 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:31:00,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:31:00,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:31:00,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:31:00,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:31:00" (1/1) ... [2022-10-17 16:31:00,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:31:00,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:31:00,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:31:00,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:31:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-10-17 16:31:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-10-17 16:31:00,847 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-10-17 16:31:00,847 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-10-17 16:31:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-10-17 16:31:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:31:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:31:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:31:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:31:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:31:00,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-10-17 16:31:00,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:31:00,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:31:00,850 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 16:31:00,988 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:31:00,990 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:31:01,287 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:31:01,295 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:31:01,295 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:31:01,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:01 BoogieIcfgContainer [2022-10-17 16:31:01,298 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:31:01,299 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:31:01,299 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:31:01,310 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:31:01,310 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:31:01" (1/1) ... [2022-10-17 16:31:01,311 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 16:31:01,315 INFO L158 Benchmark]: Toolchain (without parser) took 1192.88ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 38.4MB in the beginning and 54.1MB in the end (delta: -15.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-10-17 16:31:01,315 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:31:01,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 550.44ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 34.0MB in the end (delta: 4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:31:01,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.78ms. Allocated memory is still 60.8MB. Free memory was 34.0MB in the beginning and 31.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:01,318 INFO L158 Benchmark]: Boogie Preprocessor took 35.98ms. Allocated memory is still 60.8MB. Free memory was 31.9MB in the beginning and 30.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:01,319 INFO L158 Benchmark]: RCFGBuilder took 537.78ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 55.2MB in the end (delta: -25.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:31:01,319 INFO L158 Benchmark]: CodeCheck took 13.77ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 54.1MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:31:01,323 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 0.37ms. Allocated memory is still 60.8MB. Free memory was 41.1MB in the beginning and 41.0MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 550.44ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 34.0MB in the end (delta: 4.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.78ms. Allocated memory is still 60.8MB. Free memory was 34.0MB in the beginning and 31.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.98ms. Allocated memory is still 60.8MB. Free memory was 31.9MB in the beginning and 30.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.78ms. Allocated memory was 60.8MB in the beginning and 79.7MB in the end (delta: 18.9MB). Free memory was 30.0MB in the beginning and 55.2MB in the end (delta: -25.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 13.77ms. Allocated memory is still 79.7MB. Free memory was 55.2MB in the beginning and 54.1MB in the end (delta: 1.0MB). 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 16:31:01,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a53a0d1c-9f53-4b18-bb89-957e715624b0/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