./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/fib_unsafe-7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg --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 9dd305458f279ed18533a5a8c9a570d4bd72d2bae061b99b7bd3d54e645e2f00 --- 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-b5237d8 [2022-11-21 21:59:55,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:59:55,601 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:59:55,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:59:55,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:59:55,643 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:59:55,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:59:55,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:59:55,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:59:55,655 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:59:55,657 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:59:55,658 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:59:55,659 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:59:55,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:59:55,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:59:55,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:59:55,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:59:55,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:59:55,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:59:55,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:59:55,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:59:55,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:59:55,679 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:59:55,680 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:59:55,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:59:55,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:59:55,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:59:55,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:59:55,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:59:55,691 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:59:55,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:59:55,692 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:59:55,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:59:55,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:59:55,694 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:59:55,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:59:55,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:59:55,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:59:55,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:59:55,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:59:55,697 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:59:55,698 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 21:59:55,724 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:59:55,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:59:55,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:59:55,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:59:55,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:59:55,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:59:55,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:59:55,728 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 21:59:55,728 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:59:55,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:59:55,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 21:59:55,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:59:55,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:59:55,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:59:55,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:59:55,731 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:59:55,731 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 21:59:55,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:59:55,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:59:55,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:59:55,732 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:59:55,732 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:59:55,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:59:55,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:59:55,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:59:55,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:59:55,733 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:59:55,734 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:59:55,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:59:55,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:59:55,734 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_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd305458f279ed18533a5a8c9a570d4bd72d2bae061b99b7bd3d54e645e2f00 [2022-11-21 21:59:56,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:59:56,053 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:59:56,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:59:56,058 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:59:56,059 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:59:56,060 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-11-21 21:59:59,138 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:59:59,471 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:59:59,472 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-11-21 21:59:59,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/data/b7e2d50c3/8a19712dd0144d87b84a431849fce1db/FLAG5cd2d7af6 [2022-11-21 21:59:59,499 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/data/b7e2d50c3/8a19712dd0144d87b84a431849fce1db [2022-11-21 21:59:59,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:59:59,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:59:59,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:59,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:59:59,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:59:59,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@758dd85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59, skipping insertion in model container [2022-11-21 21:59:59,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:59:59" (1/1) ... [2022-11-21 21:59:59,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:59:59,554 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:59:59,884 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_84fa8e22-0a86-4ef1-baff-a1b8a838f203/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-11-21 21:59:59,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:59,916 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:59:59,947 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_84fa8e22-0a86-4ef1-baff-a1b8a838f203/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-11-21 21:59:59,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:59:59,986 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:59:59,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59 WrapperNode [2022-11-21 21:59:59,987 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:59:59,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:59:59,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:59:59,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:59:59,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,055 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-21 22:00:00,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:00,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:00:00,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:00:00,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:00:00,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,107 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,108 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:00:00,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:00:00,119 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:00:00,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:00:00,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:59:59" (1/1) ... [2022-11-21 22:00:00,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:00,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:00:00,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:00:00,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:00:00,194 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:00:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:00:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:00:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:00:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:00:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 22:00:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:00:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:00:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:00:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:00:00,201 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 22:00:00,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:00:00,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:00:00,204 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:00:00,339 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:00:00,341 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:00:00,676 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:00:00,707 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:00:00,708 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:00:00,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:00 BoogieIcfgContainer [2022-11-21 22:00:00,711 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:00:00,712 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:00:00,712 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:00:00,723 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:00:00,723 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:00" (1/1) ... [2022-11-21 22:00:00,724 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) [2022-11-21 22:00:00,733 INFO L158 Benchmark]: Toolchain (without parser) took 1229.77ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 81.7MB in the end (delta: 39.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-21 22:00:00,736 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:00:00,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 483.90ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 102.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:00:00,737 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.14ms. Allocated memory is still 153.1MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:00,738 INFO L158 Benchmark]: Boogie Preprocessor took 61.97ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 98.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:00,739 INFO L158 Benchmark]: RCFGBuilder took 591.57ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 83.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:00:00,741 INFO L158 Benchmark]: CodeCheck took 20.01ms. Allocated memory is still 153.1MB. Free memory was 82.6MB in the beginning and 81.7MB in the end (delta: 890.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:00,744 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 0.22ms. Allocated memory is still 117.4MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 483.90ms. Allocated memory is still 153.1MB. Free memory was 121.5MB in the beginning and 102.3MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.14ms. Allocated memory is still 153.1MB. Free memory was 102.3MB in the beginning and 100.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.97ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 98.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.57ms. Allocated memory is still 153.1MB. Free memory was 98.9MB in the beginning and 83.0MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 20.01ms. Allocated memory is still 153.1MB. Free memory was 82.6MB in the beginning and 81.7MB in the end (delta: 890.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:00:00,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/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_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/fib_unsafe-7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg --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 9dd305458f279ed18533a5a8c9a570d4bd72d2bae061b99b7bd3d54e645e2f00 --- 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-b5237d8 [2022-11-21 22:00:03,269 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:00:03,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:00:03,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:00:03,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:00:03,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:00:03,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:00:03,317 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:00:03,319 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:00:03,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:00:03,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:00:03,326 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:00:03,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:00:03,327 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:00:03,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:00:03,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:00:03,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:00:03,331 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:00:03,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:00:03,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:00:03,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:00:03,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:00:03,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:00:03,350 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:00:03,354 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:00:03,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:00:03,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:00:03,361 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:00:03,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:00:03,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:00:03,363 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:00:03,364 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:00:03,366 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:00:03,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:00:03,381 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:00:03,381 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:00:03,382 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:00:03,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:00:03,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:00:03,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:00:03,385 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:00:03,386 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:00:03,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:00:03,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:00:03,412 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:00:03,412 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:00:03,413 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:00:03,413 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:00:03,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:00:03,414 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:00:03,414 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:00:03,414 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:00:03,414 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:00:03,415 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:00:03,415 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:00:03,415 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:00:03,415 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:00:03,415 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:00:03,416 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:00:03,416 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:00:03,416 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:00:03,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:00:03,416 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:00:03,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:00:03,417 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:00:03,417 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:00:03,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:00:03,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:03,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:00:03,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:00:03,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:00:03,418 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:00:03,419 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:00:03,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:00:03,419 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:00:03,419 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:00:03,419 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_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dd305458f279ed18533a5a8c9a570d4bd72d2bae061b99b7bd3d54e645e2f00 [2022-11-21 22:00:03,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:00:03,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:00:03,809 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:00:03,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:00:03,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:00:03,812 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-11-21 22:00:06,983 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:00:07,319 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:00:07,320 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/sv-benchmarks/c/pthread/fib_unsafe-7.i [2022-11-21 22:00:07,333 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/data/993e5faae/7b6b9df218e447e596e92a858bcfed4d/FLAG7cec72cfd [2022-11-21 22:00:07,358 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/data/993e5faae/7b6b9df218e447e596e92a858bcfed4d [2022-11-21 22:00:07,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:00:07,364 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:00:07,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:07,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:00:07,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:00:07,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:07" (1/1) ... [2022-11-21 22:00:07,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487ef994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:07, skipping insertion in model container [2022-11-21 22:00:07,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:00:07" (1/1) ... [2022-11-21 22:00:07,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:00:07,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:00:07,873 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_84fa8e22-0a86-4ef1-baff-a1b8a838f203/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-11-21 22:00:07,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:07,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:00:08,004 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_84fa8e22-0a86-4ef1-baff-a1b8a838f203/sv-benchmarks/c/pthread/fib_unsafe-7.i[30243,30256] [2022-11-21 22:00:08,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:00:08,060 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:00:08,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08 WrapperNode [2022-11-21 22:00:08,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:00:08,062 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:08,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:00:08,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:00:08,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,123 INFO L138 Inliner]: procedures = 168, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2022-11-21 22:00:08,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:00:08,125 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:00:08,125 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:00:08,125 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:00:08,134 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,139 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,181 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,183 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:00:08,194 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:00:08,194 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:00:08,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:00:08,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:00:08,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:00:08,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:00:08,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:00:08,290 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:00:08,290 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:00:08,291 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:00:08,292 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:00:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-21 22:00:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:00:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:00:08,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:00:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:00:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:00:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-21 22:00:08,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:00:08,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:00:08,295 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-21 22:00:08,453 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:00:08,456 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:00:08,786 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:00:08,817 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:00:08,817 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 22:00:08,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:08 BoogieIcfgContainer [2022-11-21 22:00:08,819 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:00:08,820 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:00:08,820 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:00:08,831 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:00:08,831 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:00:08" (1/1) ... [2022-11-21 22:00:08,832 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) [2022-11-21 22:00:08,836 INFO L158 Benchmark]: Toolchain (without parser) took 1471.59ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 28.4MB in the beginning and 45.0MB in the end (delta: -16.6MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2022-11-21 22:00:08,837 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:00:08,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 693.39ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 28.3MB in the beginning and 46.5MB in the end (delta: -18.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2022-11-21 22:00:08,838 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.60ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:08,839 INFO L158 Benchmark]: Boogie Preprocessor took 64.24ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 63.6MB in the end (delta: -19.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-11-21 22:00:08,839 INFO L158 Benchmark]: RCFGBuilder took 625.53ms. Allocated memory is still 83.9MB. Free memory was 63.6MB in the beginning and 46.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:00:08,840 INFO L158 Benchmark]: CodeCheck took 14.29ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 45.0MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:00:08,843 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 0.28ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 693.39ms. Allocated memory was 60.8MB in the beginning and 83.9MB in the end (delta: 23.1MB). Free memory was 28.3MB in the beginning and 46.5MB in the end (delta: -18.2MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.60ms. Allocated memory is still 83.9MB. Free memory was 46.5MB in the beginning and 44.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.24ms. Allocated memory is still 83.9MB. Free memory was 44.1MB in the beginning and 63.6MB in the end (delta: -19.4MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. * RCFGBuilder took 625.53ms. Allocated memory is still 83.9MB. Free memory was 63.6MB in the beginning and 46.1MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.29ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 45.0MB 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. [2022-11-21 22:00:08,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84fa8e22-0a86-4ef1-baff-a1b8a838f203/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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