./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- 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 22:16:46,230 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:16:46,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:16:46,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:16:46,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:16:46,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:16:46,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:16:46,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:16:46,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:16:46,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:16:46,263 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:16:46,264 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:16:46,264 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:16:46,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:16:46,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:16:46,268 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:16:46,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:16:46,270 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:16:46,271 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:16:46,273 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:16:46,274 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:16:46,276 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:16:46,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:16:46,278 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:16:46,281 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:16:46,282 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:16:46,282 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:16:46,283 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:16:46,283 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:16:46,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:16:46,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:16:46,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:16:46,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:16:46,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:16:46,288 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:16:46,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:16:46,289 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:16:46,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:16:46,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:16:46,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:16:46,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:16:46,293 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:16:46,315 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:16:46,315 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:16:46,316 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:16:46,317 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:16:46,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:16:46,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:16:46,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:16:46,318 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:16:46,318 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:16:46,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:16:46,319 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:16:46,319 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:16:46,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:16:46,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:16:46,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:16:46,320 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:16:46,320 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:16:46,320 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:16:46,320 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:16:46,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:16:46,321 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:16:46,321 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:16:46,321 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:16:46,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:46,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:16:46,322 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:16:46,322 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:16:46,322 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:16:46,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:16:46,323 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:16:46,323 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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-11-21 22:16:46,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:16:46,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:16:46,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:16:46,635 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:16:46,638 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:16:46,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-21 22:16:49,768 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:16:50,054 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:16:50,062 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-21 22:16:50,080 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/data/5ed9cb6fc/eff5b75ad2e34ba886016edc61471913/FLAG96830fc79 [2022-11-21 22:16:50,095 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/data/5ed9cb6fc/eff5b75ad2e34ba886016edc61471913 [2022-11-21 22:16:50,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:16:50,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:16:50,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:50,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:16:50,103 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:16:50,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4e0e73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50, skipping insertion in model container [2022-11-21 22:16:50,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,118 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:16:50,184 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:16:50,687 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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-21 22:16:50,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:50,733 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:16:50,777 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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-21 22:16:50,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:50,861 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:16:50,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50 WrapperNode [2022-11-21 22:16:50,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:50,866 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:50,866 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:16:50,867 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:16:50,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,920 INFO L138 Inliner]: procedures = 277, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 144 [2022-11-21 22:16:50,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:50,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:16:50,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:16:50,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:16:50,933 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,963 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:16:50,969 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:16:50,969 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:16:50,969 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:16:50,970 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:50" (1/1) ... [2022-11-21 22:16:50,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:51,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:16:51,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:16:51,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:16:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:16:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:16:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:16:51,074 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:16:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:16:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:16:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:16:51,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:16:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-21 22:16:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-21 22:16:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 22:16:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:16:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-21 22:16:51,075 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-21 22:16:51,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:16:51,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:16:51,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:16:51,077 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 22:16:51,223 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:16:51,225 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:16:51,553 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:16:51,562 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:16:51,562 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:16:51,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:51 BoogieIcfgContainer [2022-11-21 22:16:51,564 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:16:51,565 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:16:51,565 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:16:51,576 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:16:51,577 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:51" (1/1) ... [2022-11-21 22:16:51,577 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 22:16:51,582 INFO L158 Benchmark]: Toolchain (without parser) took 1482.41ms. Allocated memory is still 199.2MB. Free memory was 156.5MB in the beginning and 103.2MB in the end (delta: 53.3MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-11-21 22:16:51,583 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:51,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 764.56ms. Allocated memory is still 199.2MB. Free memory was 156.5MB in the beginning and 127.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-21 22:16:51,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.98ms. Allocated memory is still 199.2MB. Free memory was 127.1MB in the beginning and 124.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:16:51,584 INFO L158 Benchmark]: Boogie Preprocessor took 42.70ms. Allocated memory is still 199.2MB. Free memory was 124.6MB in the beginning and 122.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:16:51,585 INFO L158 Benchmark]: RCFGBuilder took 595.83ms. Allocated memory is still 199.2MB. Free memory was 122.5MB in the beginning and 104.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 22:16:51,586 INFO L158 Benchmark]: CodeCheck took 15.00ms. Allocated memory is still 199.2MB. Free memory was 104.1MB in the beginning and 103.2MB in the end (delta: 888.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:51,589 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 0.23ms. Allocated memory is still 146.8MB. Free memory was 88.1MB in the beginning and 88.0MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 764.56ms. Allocated memory is still 199.2MB. Free memory was 156.5MB in the beginning and 127.1MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.98ms. Allocated memory is still 199.2MB. Free memory was 127.1MB in the beginning and 124.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.70ms. Allocated memory is still 199.2MB. Free memory was 124.6MB in the beginning and 122.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 595.83ms. Allocated memory is still 199.2MB. Free memory was 122.5MB in the beginning and 104.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 15.00ms. Allocated memory is still 199.2MB. Free memory was 104.1MB in the beginning and 103.2MB in the end (delta: 888.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:16:51,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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 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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- 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 22:16:54,145 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:16:54,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:16:54,204 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:16:54,204 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:16:54,208 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:16:54,210 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:16:54,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:16:54,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:16:54,222 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:16:54,223 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:16:54,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:16:54,226 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:16:54,229 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:16:54,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:16:54,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:16:54,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:16:54,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:16:54,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:16:54,248 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:16:54,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:16:54,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:16:54,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:16:54,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:16:54,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:16:54,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:16:54,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:16:54,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:16:54,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:16:54,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:16:54,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:16:54,269 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:16:54,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:16:54,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:16:54,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:16:54,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:16:54,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:16:54,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:16:54,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:16:54,278 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:16:54,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:16:54,279 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:16:54,319 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:16:54,320 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:16:54,322 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:16:54,322 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:16:54,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:16:54,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:16:54,324 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:16:54,324 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:16:54,324 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:16:54,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:16:54,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:16:54,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:16:54,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:16:54,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:16:54,327 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:16:54,327 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:16:54,327 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:16:54,328 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:16:54,328 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:16:54,328 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:16:54,329 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:16:54,329 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:16:54,329 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:16:54,329 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:16:54,330 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:16:54,330 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:54,330 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:16:54,331 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:16:54,331 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:16:54,331 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:16:54,331 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:16:54,332 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:16:54,332 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:16:54,332 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:16:54,333 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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2022-11-21 22:16:54,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:16:54,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:16:54,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:16:54,783 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:16:54,784 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:16:54,785 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-21 22:16:57,778 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:16:58,220 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:16:58,221 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/sv-benchmarks/c/pthread/stack_longest-2.i [2022-11-21 22:16:58,250 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/data/6ee3d0e04/29cdece460144b85a59e712ae063110c/FLAG08f4fae8c [2022-11-21 22:16:58,267 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/data/6ee3d0e04/29cdece460144b85a59e712ae063110c [2022-11-21 22:16:58,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:16:58,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:16:58,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:58,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:16:58,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:16:58,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:58" (1/1) ... [2022-11-21 22:16:58,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee6c1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:58, skipping insertion in model container [2022-11-21 22:16:58,280 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:16:58" (1/1) ... [2022-11-21 22:16:58,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:16:58,358 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:16:58,859 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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-21 22:16:58,927 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:58,953 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:16:59,013 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_7e5cb365-15fb-43ec-a407-55a0ba77e47f/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2022-11-21 22:16:59,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:16:59,128 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:16:59,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59 WrapperNode [2022-11-21 22:16:59,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:16:59,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:59,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:16:59,130 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:16:59,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,189 INFO L138 Inliner]: procedures = 281, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 141 [2022-11-21 22:16:59,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:16:59,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:16:59,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:16:59,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:16:59,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,205 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,206 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,221 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:16:59,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:16:59,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:16:59,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:16:59,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:16:59,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:16:59,272 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:16:59,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:16:59,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:16:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-11-21 22:16:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-11-21 22:16:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-11-21 22:16:59,327 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-11-21 22:16:59,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 22:16:59,328 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2022-11-21 22:16:59,328 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2022-11-21 22:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-21 22:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-21 22:16:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-21 22:16:59,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:16:59,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:16:59,331 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 22:16:59,510 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:16:59,512 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:16:59,941 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:16:59,950 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:16:59,950 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:16:59,953 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:59 BoogieIcfgContainer [2022-11-21 22:16:59,953 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:16:59,954 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:16:59,954 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:16:59,964 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:16:59,964 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:16:59" (1/1) ... [2022-11-21 22:16:59,965 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 22:16:59,972 INFO L158 Benchmark]: Toolchain (without parser) took 1700.04ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 51.8MB in the beginning and 54.1MB in the end (delta: -2.4MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-11-21 22:16:59,973 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 75.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:59,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 854.08ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 56.2MB in the end (delta: -4.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-11-21 22:16:59,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.37ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 53.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:16:59,976 INFO L158 Benchmark]: Boogie Preprocessor took 36.29ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 51.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:16:59,978 INFO L158 Benchmark]: RCFGBuilder took 725.52ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 55.1MB in the end (delta: -4.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2022-11-21 22:16:59,979 INFO L158 Benchmark]: CodeCheck took 16.98ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 54.1MB in the end (delta: 953.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:16:59,992 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 75.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 854.08ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 51.6MB in the beginning and 56.2MB in the end (delta: -4.6MB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.37ms. Allocated memory is still 94.4MB. Free memory was 56.2MB in the beginning and 53.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.29ms. Allocated memory is still 94.4MB. Free memory was 53.4MB in the beginning and 51.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 725.52ms. Allocated memory is still 94.4MB. Free memory was 51.1MB in the beginning and 55.1MB in the end (delta: -4.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * CodeCheck took 16.98ms. Allocated memory is still 94.4MB. Free memory was 55.1MB in the beginning and 54.1MB in the end (delta: 953.3kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:17:00,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e5cb365-15fb-43ec-a407-55a0ba77e47f/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