./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/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_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/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_04ff2977-fafd-4538-9379-37ca2af46aef/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 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 --- 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 22:52:47,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:52:47,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:52:47,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:52:47,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:52:47,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:52:47,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:52:47,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:52:47,400 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:52:47,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:52:47,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:52:47,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:52:47,403 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:52:47,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:52:47,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:52:47,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:52:47,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:52:47,408 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:52:47,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:52:47,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:52:47,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:52:47,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:52:47,429 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:52:47,430 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:52:47,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:52:47,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:52:47,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:52:47,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:52:47,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:52:47,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:52:47,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:52:47,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:52:47,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:52:47,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:52:47,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:52:47,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:52:47,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:52:47,454 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:52:47,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:52:47,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:52:47,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:52:47,459 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-21 22:52:47,489 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:52:47,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:52:47,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:52:47,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:52:47,492 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:52:47,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:52:47,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:52:47,493 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:52:47,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:52:47,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:52:47,495 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:52:47,495 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:52:47,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:52:47,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:52:47,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:52:47,505 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:52:47,505 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:52:47,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:52:47,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:52:47,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:52:47,506 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:52:47,507 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:52:47,507 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:52:47,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:52:47,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:52:47,508 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:52:47,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:52:47,508 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:52:47,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:52:47,509 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:52:47,510 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_04ff2977-fafd-4538-9379-37ca2af46aef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2022-11-21 22:52:47,796 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:52:47,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:52:47,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:52:47,833 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:52:47,833 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:52:47,834 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-11-21 22:52:50,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:52:51,240 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:52:51,241 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-11-21 22:52:51,254 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/data/9c8ad9dce/31e5fd8e26f443d987b0d1faf82e17c0/FLAG3985155d1 [2022-11-21 22:52:51,269 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/data/9c8ad9dce/31e5fd8e26f443d987b0d1faf82e17c0 [2022-11-21 22:52:51,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:52:51,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:52:51,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:52:51,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:52:51,278 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:52:51,279 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33e9871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51, skipping insertion in model container [2022-11-21 22:52:51,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,288 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:52:51,320 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:52:51,703 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_04ff2977-fafd-4538-9379-37ca2af46aef/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-11-21 22:52:51,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:52:51,741 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:52:51,802 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_04ff2977-fafd-4538-9379-37ca2af46aef/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-11-21 22:52:51,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:52:51,851 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:52:51,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51 WrapperNode [2022-11-21 22:52:51,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:52:51,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:52:51,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:52:51,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:52:51,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,902 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-11-21 22:52:51,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:52:51,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:52:51,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:52:51,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:52:51,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,958 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:52:51,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:52:51,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:52:51,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:52:51,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:51" (1/1) ... [2022-11-21 22:52:51,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:52:52,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:52:52,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:52:52,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:52:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 22:52:52,068 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:52:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:52:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 22:52:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 22:52:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 22:52:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:52:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:52:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:52:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:52:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:52:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-21 22:52:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-21 22:52:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:52:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:52:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:52:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:52:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:52:52,073 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 22:52:52,294 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:52:52,301 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:52:52,546 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:52:52,627 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:52:52,627 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:52:52,628 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-21 22:52:52,644 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 22:52:52,648 INFO L158 Benchmark]: Toolchain (without parser) took 1374.06ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 88.9MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-11-21 22:52:52,649 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:52:52,649 INFO L158 Benchmark]: CACSL2BoogieTranslator took 578.51ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 114.7MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 22:52:52,650 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.48ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 112.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:52:52,650 INFO L158 Benchmark]: Boogie Preprocessor took 67.55ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 110.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:52:52,651 INFO L158 Benchmark]: RCFGBuilder took 672.31ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 88.9MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 22:52:52,653 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 167.8MB. Free memory is still 139.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 578.51ms. Allocated memory is still 167.8MB. Free memory was 135.1MB in the beginning and 114.7MB in the end (delta: 20.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.48ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 112.0MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.55ms. Allocated memory is still 167.8MB. Free memory was 112.0MB in the beginning and 110.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 672.31ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 88.9MB in the end (delta: 21.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:52:52,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/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_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/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_04ff2977-fafd-4538-9379-37ca2af46aef/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 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 --- 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 22:52:55,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:52:55,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:52:55,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:52:55,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:52:55,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:52:55,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:52:55,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:52:55,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:52:55,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:52:55,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:52:55,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:52:55,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:52:55,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:52:55,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:52:55,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:52:55,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:52:55,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:52:55,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:52:55,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:52:55,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:52:55,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:52:55,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:52:55,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:52:55,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:52:55,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:52:55,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:52:55,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:52:55,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:52:55,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:52:55,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:52:55,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:52:55,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:52:55,241 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:52:55,242 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:52:55,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:52:55,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:52:55,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:52:55,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:52:55,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:52:55,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:52:55,249 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-21 22:52:55,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:52:55,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:52:55,296 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:52:55,296 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:52:55,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:52:55,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:52:55,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:52:55,298 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 22:52:55,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:52:55,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 22:52:55,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:52:55,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:52:55,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:52:55,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:52:55,301 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:52:55,301 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:52:55,301 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:52:55,301 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:52:55,302 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 22:52:55,302 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:52:55,302 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:52:55,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:52:55,303 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:52:55,303 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:52:55,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:52:55,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:52:55,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:52:55,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:52:55,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:52:55,305 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:52:55,305 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:52:55,305 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:52:55,305 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:52:55,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:52:55,306 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_04ff2977-fafd-4538-9379-37ca2af46aef/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cc9afdbf7eeaac0d52aedc8a0325c076240e2f45d0a3fe91081372b30b32137 [2022-11-21 22:52:55,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:52:55,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:52:55,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:52:55,769 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:52:55,770 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:52:55,772 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-11-21 22:52:58,900 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:52:59,254 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:52:59,255 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i [2022-11-21 22:52:59,279 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/data/2786d9da1/c5bc1f51004b4784a20c9a498fc6a01c/FLAG2a73bbbc6 [2022-11-21 22:52:59,294 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/data/2786d9da1/c5bc1f51004b4784a20c9a498fc6a01c [2022-11-21 22:52:59,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:52:59,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:52:59,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:52:59,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:52:59,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:52:59,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:52:59" (1/1) ... [2022-11-21 22:52:59,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e17f8b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:52:59, skipping insertion in model container [2022-11-21 22:52:59,305 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:52:59" (1/1) ... [2022-11-21 22:52:59,315 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:52:59,378 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:52:59,947 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_04ff2977-fafd-4538-9379-37ca2af46aef/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-11-21 22:52:59,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:52:59,978 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:53:00,016 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_04ff2977-fafd-4538-9379-37ca2af46aef/sv-benchmarks/c/pthread-ext/25_stack_longest-1.i[31040,31053] [2022-11-21 22:53:00,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:53:00,061 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:53:00,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00 WrapperNode [2022-11-21 22:53:00,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:53:00,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:53:00,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:53:00,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:53:00,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,090 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,120 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2022-11-21 22:53:00,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:53:00,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:53:00,123 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:53:00,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:53:00,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,154 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,158 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,162 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,165 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:53:00,166 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:53:00,166 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:53:00,167 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:53:00,167 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:53:00" (1/1) ... [2022-11-21 22:53:00,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:53:00,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:53:00,207 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:53:00,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:53:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-21 22:53:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-21 22:53:00,248 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-21 22:53:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-21 22:53:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-21 22:53:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-21 22:53:00,249 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-21 22:53:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:53:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-21 22:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-21 22:53:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-21 22:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2022-11-21 22:53:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2022-11-21 22:53:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-21 22:53:00,256 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-21 22:53:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:53:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:53:00,259 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 22:53:00,399 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:53:00,401 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:53:00,753 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:53:00,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:53:00,892 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-21 22:53:00,893 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2022-11-21 22:53:00,900 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) 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 22:53:00,905 INFO L158 Benchmark]: Toolchain (without parser) took 1606.19ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 45.9MB in the beginning and 50.7MB in the end (delta: -4.9MB). Peak memory consumption was 26.5MB. Max. memory is 16.1GB. [2022-11-21 22:53:00,905 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:53:00,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 763.16ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 55.5MB in the end (delta: -9.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-21 22:53:00,906 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.11ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 53.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:53:00,907 INFO L158 Benchmark]: Boogie Preprocessor took 43.01ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 51.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:53:00,908 INFO L158 Benchmark]: RCFGBuilder took 736.83ms. Allocated memory is still 86.0MB. Free memory was 50.9MB in the beginning and 50.7MB in the end (delta: 179.1kB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2022-11-21 22:53:00,910 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 69.2MB. Free memory was 46.7MB in the beginning and 46.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 763.16ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 45.7MB in the beginning and 55.5MB in the end (delta: -9.8MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.11ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 53.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.01ms. Allocated memory is still 86.0MB. Free memory was 53.4MB in the beginning and 51.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 736.83ms. Allocated memory is still 86.0MB. Free memory was 50.9MB in the beginning and 50.7MB in the end (delta: 179.1kB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-21 22:53:00,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04ff2977-fafd-4538-9379-37ca2af46aef/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 Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?