./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-11.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7fcf270fc424e515c4f8db675612b386dd73dc1dc6be434bc2c22ad47252dc7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:38:41,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:38:41,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:38:41,232 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:38:41,234 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:38:41,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:38:41,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:38:41,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:38:41,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:38:41,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:38:41,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:38:41,253 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:38:41,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:38:41,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:38:41,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:38:41,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:38:41,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:38:41,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:38:41,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:38:41,269 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:38:41,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:38:41,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:38:41,276 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:38:41,277 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:38:41,285 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:38:41,288 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:38:41,288 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:38:41,289 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:38:41,291 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:38:41,292 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:38:41,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:38:41,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:38:41,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:38:41,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:38:41,298 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:38:41,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:38:41,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:38:41,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:38:41,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:38:41,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:38:41,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:38:41,303 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:38:41,337 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:38:41,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:38:41,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:38:41,339 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:38:41,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:38:41,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:38:41,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:38:41,341 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:38:41,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:38:41,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:38:41,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:38:41,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:38:41,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:38:41,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:38:41,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:38:41,344 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:38:41,344 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:38:41,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:38:41,344 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:38:41,345 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:38:41,345 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:38:41,345 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:38:41,345 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:38:41,346 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:41,346 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:38:41,346 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:38:41,347 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:38:41,347 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:38:41,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:38:41,348 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:38:41,348 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_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7fcf270fc424e515c4f8db675612b386dd73dc1dc6be434bc2c22ad47252dc7 [2022-11-20 16:38:41,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:38:41,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:38:41,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:38:41,699 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:38:41,701 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:38:41,702 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-11-20 16:38:44,694 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:38:44,956 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:38:44,957 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-11-20 16:38:44,968 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/data/4feacc11b/61ab7c18273e417a8ccf76c70713adea/FLAG2b56e8e69 [2022-11-20 16:38:44,981 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/data/4feacc11b/61ab7c18273e417a8ccf76c70713adea [2022-11-20 16:38:44,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:38:44,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:38:44,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:44,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:38:44,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:38:44,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:44" (1/1) ... [2022-11-20 16:38:44,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a70f905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:44, skipping insertion in model container [2022-11-20 16:38:44,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:44" (1/1) ... [2022-11-20 16:38:45,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:38:45,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:38:45,413 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-11-20 16:38:45,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:45,453 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:38:45,515 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-11-20 16:38:45,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:45,565 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:38:45,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45 WrapperNode [2022-11-20 16:38:45,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:45,568 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:45,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:38:45,569 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:38:45,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,591 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,612 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-20 16:38:45,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:45,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:38:45,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:38:45,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:38:45,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,626 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,638 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,639 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:38:45,642 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:38:45,642 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:38:45,642 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:38:45,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:45" (1/1) ... [2022-11-20 16:38:45,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:45,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:38:45,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:38:45,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:38:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:38:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:38:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:38:45,760 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:38:45,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:38:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:38:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:38:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:38:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:38:45,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:38:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:38:45,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:38:45,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:38:45,763 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:38:45,950 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:38:45,952 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:38:46,199 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:38:46,224 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:38:46,224 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 16:38:46,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:46 BoogieIcfgContainer [2022-11-20 16:38:46,227 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:38:46,228 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:38:46,228 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:38:46,238 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:38:46,239 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:46" (1/1) ... [2022-11-20 16:38:46,239 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 16:38:46,244 INFO L158 Benchmark]: Toolchain (without parser) took 1257.48ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 123.6MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:46,244 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:46,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.54ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 92.1MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-20 16:38:46,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.21ms. Allocated memory is still 157.3MB. Free memory was 92.1MB in the beginning and 90.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:46,246 INFO L158 Benchmark]: Boogie Preprocessor took 28.17ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 88.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:46,247 INFO L158 Benchmark]: RCFGBuilder took 585.27ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 124.4MB in the end (delta: -35.7MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-11-20 16:38:46,247 INFO L158 Benchmark]: CodeCheck took 14.08ms. Allocated memory is still 157.3MB. Free memory was 124.4MB in the beginning and 123.6MB in the end (delta: 830.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:46,251 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 0.30ms. Allocated memory is still 102.8MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.54ms. Allocated memory is still 157.3MB. Free memory was 112.2MB in the beginning and 92.1MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.21ms. Allocated memory is still 157.3MB. Free memory was 92.1MB in the beginning and 90.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.17ms. Allocated memory is still 157.3MB. Free memory was 90.5MB in the beginning and 88.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 585.27ms. Allocated memory is still 157.3MB. Free memory was 88.7MB in the beginning and 124.4MB in the end (delta: -35.7MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * CodeCheck took 14.08ms. Allocated memory is still 157.3MB. Free memory was 124.4MB in the beginning and 123.6MB in the end (delta: 830.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:38:46,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-11.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c7fcf270fc424e515c4f8db675612b386dd73dc1dc6be434bc2c22ad47252dc7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:38:48,554 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:38:48,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:38:48,582 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:38:48,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:38:48,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:38:48,593 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:38:48,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:38:48,599 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:38:48,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:38:48,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:38:48,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:38:48,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:38:48,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:38:48,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:38:48,613 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:38:48,615 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:38:48,620 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:38:48,622 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:38:48,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:38:48,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:38:48,634 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:38:48,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:38:48,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:38:48,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:38:48,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:38:48,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:38:48,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:38:48,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:38:48,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:38:48,651 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:38:48,652 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:38:48,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:38:48,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:38:48,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:38:48,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:38:48,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:38:48,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:38:48,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:38:48,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:38:48,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:38:48,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 16:38:48,722 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:38:48,723 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:38:48,725 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:38:48,725 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:38:48,726 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:38:48,726 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:38:48,726 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:38:48,727 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:38:48,727 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:38:48,727 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:38:48,728 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:38:48,728 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:38:48,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:38:48,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:38:48,729 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:38:48,729 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:38:48,729 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:38:48,730 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:38:48,730 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:38:48,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:38:48,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:38:48,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:38:48,731 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:38:48,731 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:38:48,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:38:48,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:48,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:38:48,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:38:48,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:38:48,732 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:38:48,733 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:38:48,733 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:38:48,733 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:38:48,734 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:38:48,734 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_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7fcf270fc424e515c4f8db675612b386dd73dc1dc6be434bc2c22ad47252dc7 [2022-11-20 16:38:49,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:38:49,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:38:49,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:38:49,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:38:49,158 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:38:49,160 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-11-20 16:38:52,233 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:38:52,563 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:38:52,564 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/sv-benchmarks/c/pthread/fib_unsafe-11.i [2022-11-20 16:38:52,601 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/data/198bc8ff2/592f1fcb8a1745778147367d8c03cf32/FLAGc93e2b6a3 [2022-11-20 16:38:52,617 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/data/198bc8ff2/592f1fcb8a1745778147367d8c03cf32 [2022-11-20 16:38:52,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:38:52,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:38:52,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:52,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:38:52,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:38:52,627 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:52" (1/1) ... [2022-11-20 16:38:52,629 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683c6f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:52, skipping insertion in model container [2022-11-20 16:38:52,629 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:38:52" (1/1) ... [2022-11-20 16:38:52,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:38:52,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:38:53,099 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-11-20 16:38:53,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:53,157 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:38:53,211 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/sv-benchmarks/c/pthread/fib_unsafe-11.i[30243,30256] [2022-11-20 16:38:53,230 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:38:53,311 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:38:53,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53 WrapperNode [2022-11-20 16:38:53,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:38:53,336 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:53,336 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:38:53,336 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:38:53,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,404 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-20 16:38:53,405 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:38:53,405 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:38:53,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:38:53,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:38:53,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,433 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,434 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:38:53,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:38:53,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:38:53,439 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:38:53,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:53,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:38:53,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:38:53,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:38:53,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:38:53,530 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-20 16:38:53,530 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-20 16:38:53,531 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-20 16:38:53,531 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-20 16:38:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:38:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:38:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:38:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:38:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:38:53,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:38:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:38:53,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:38:53,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:38:53,534 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:38:53,684 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:38:53,687 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:38:53,962 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:38:53,992 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:38:53,993 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-20 16:38:53,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:53 BoogieIcfgContainer [2022-11-20 16:38:53,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:38:53,996 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:38:53,996 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:38:54,006 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:38:54,007 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:38:53" (1/1) ... [2022-11-20 16:38:54,008 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 16:38:54,022 INFO L158 Benchmark]: Toolchain (without parser) took 1395.53ms. Allocated memory is still 90.2MB. Free memory was 67.5MB in the beginning and 46.3MB in the end (delta: 21.2MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2022-11-20 16:38:54,023 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:54,023 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.29ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 68.9MB in the end (delta: -1.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:54,024 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.41ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:38:54,025 INFO L158 Benchmark]: Boogie Preprocessor took 32.30ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 65.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:54,025 INFO L158 Benchmark]: RCFGBuilder took 556.85ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 47.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:38:54,027 INFO L158 Benchmark]: CodeCheck took 20.00ms. Allocated memory is still 90.2MB. Free memory was 47.2MB in the beginning and 46.3MB in the end (delta: 892.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:38:54,033 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 0.21ms. Allocated memory is still 62.9MB. Free memory was 41.4MB in the beginning and 41.3MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.29ms. Allocated memory is still 90.2MB. Free memory was 67.3MB in the beginning and 68.9MB in the end (delta: -1.6MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.41ms. Allocated memory is still 90.2MB. Free memory was 68.9MB in the beginning and 66.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.30ms. Allocated memory is still 90.2MB. Free memory was 66.8MB in the beginning and 65.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.85ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 47.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 20.00ms. Allocated memory is still 90.2MB. Free memory was 47.2MB in the beginning and 46.3MB in the end (delta: 892.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-20 16:38:54,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a000cdc9-5aba-489d-bb9d-dce39da98be7/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported