./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:59:02,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:59:02,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:59:02,730 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:59:02,730 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:59:02,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:59:02,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:59:02,741 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:59:02,743 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:59:02,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:59:02,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:59:02,751 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:59:02,752 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:59:02,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:59:02,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:59:02,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:59:02,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:59:02,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:59:02,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:59:02,771 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:59:02,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:59:02,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:59:02,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:59:02,779 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:59:02,790 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:59:02,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:59:02,791 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:59:02,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:59:02,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:59:02,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:59:02,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:59:02,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:59:02,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:59:02,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:59:02,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:59:02,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:59:02,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:59:02,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:59:02,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:59:02,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:59:02,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:59:02,805 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Default.epf [2022-11-20 16:59:02,850 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:59:02,851 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:59:02,852 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:59:02,852 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:59:02,854 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:59:02,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:59:02,855 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:59:02,855 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:59:02,855 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:59:02,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:59:02,856 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:59:02,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:59:02,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:59:02,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:59:02,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:59:02,858 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:59:02,858 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:59:02,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:59:02,859 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:59:02,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:59:02,859 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:59:02,859 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:59:02,860 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:59:02,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:02,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:59:02,860 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:59:02,861 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:59:02,861 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:59:02,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:59:02,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:59:02,862 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_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2022-11-20 16:59:03,200 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:59:03,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:59:03,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:59:03,245 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:59:03,245 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:59:03,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-20 16:59:06,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:59:06,695 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:59:06,696 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-20 16:59:06,711 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/data/96f025937/31e7fdf361164256ae2e3a7382d44792/FLAGdf931be5f [2022-11-20 16:59:06,729 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/data/96f025937/31e7fdf361164256ae2e3a7382d44792 [2022-11-20 16:59:06,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:59:06,734 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:59:06,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:06,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:59:06,739 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:59:06,740 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:06" (1/1) ... [2022-11-20 16:59:06,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a20d23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:06, skipping insertion in model container [2022-11-20 16:59:06,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:06" (1/1) ... [2022-11-20 16:59:06,750 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:59:06,788 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:59:06,983 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:59:07,167 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_1002734d-9e52-4376-8935-7048c0afb833/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-20 16:59:07,174 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:07,185 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:59:07,215 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:59:07,258 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_1002734d-9e52-4376-8935-7048c0afb833/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-20 16:59:07,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:07,319 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:59:07,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07 WrapperNode [2022-11-20 16:59:07,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:07,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:07,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:59:07,322 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:59:07,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,389 INFO L138 Inliner]: procedures = 174, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-20 16:59:07,389 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:07,390 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:59:07,391 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:59:07,391 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:59:07,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,410 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,414 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,415 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:59:07,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:59:07,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:59:07,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:59:07,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:07" (1/1) ... [2022-11-20 16:59:07,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:07,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:59:07,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:59:07,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:59:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 16:59:07,517 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 16:59:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:59:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 16:59:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 16:59:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:59:07,518 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:59:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:59:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:59:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:59:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:59:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:59:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:59:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 16:59:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 16:59:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:59:07,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:59:07,523 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:59:07,675 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:59:07,677 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:59:07,810 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:59:07,833 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:59:07,834 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:59:07,835 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-20 16:59:07,836 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) [2022-11-20 16:59:07,848 INFO L158 Benchmark]: Toolchain (without parser) took 1113.96ms. Allocated memory is still 207.6MB. Free memory was 172.7MB in the beginning and 136.6MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-20 16:59:07,849 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:59:07,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 585.92ms. Allocated memory is still 207.6MB. Free memory was 172.7MB in the beginning and 153.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 16:59:07,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.57ms. Allocated memory is still 207.6MB. Free memory was 153.2MB in the beginning and 151.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:59:07,852 INFO L158 Benchmark]: Boogie Preprocessor took 37.01ms. Allocated memory is still 207.6MB. Free memory was 151.2MB in the beginning and 149.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:59:07,852 INFO L158 Benchmark]: RCFGBuilder took 418.82ms. Allocated memory is still 207.6MB. Free memory was 149.8MB in the beginning and 136.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 16:59:07,856 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 134.2MB. Free memory is still 76.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 585.92ms. Allocated memory is still 207.6MB. Free memory was 172.7MB in the beginning and 153.2MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.57ms. Allocated memory is still 207.6MB. Free memory was 153.2MB in the beginning and 151.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.01ms. Allocated memory is still 207.6MB. Free memory was 151.2MB in the beginning and 149.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.82ms. Allocated memory is still 207.6MB. Free memory was 149.8MB in the beginning and 136.6MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. 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. [2022-11-20 16:59:07,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:59:10,601 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:59:10,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:59:10,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:59:10,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:59:10,653 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:59:10,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:59:10,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:59:10,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:59:10,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:59:10,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:59:10,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:59:10,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:59:10,675 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:59:10,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:59:10,684 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:59:10,685 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:59:10,686 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:59:10,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:59:10,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:59:10,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:59:10,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:59:10,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:59:10,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:59:10,703 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:59:10,704 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:59:10,704 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:59:10,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:59:10,713 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:59:10,714 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:59:10,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:59:10,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:59:10,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:59:10,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:59:10,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:59:10,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:59:10,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:59:10,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:59:10,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:59:10,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:59:10,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:59:10,729 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2022-11-20 16:59:10,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:59:10,772 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:59:10,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:59:10,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:59:10,776 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:59:10,776 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:59:10,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:59:10,776 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 16:59:10,777 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:59:10,777 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 16:59:10,778 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:59:10,778 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:59:10,778 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:59:10,778 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:59:10,779 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 16:59:10,779 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 16:59:10,779 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:59:10,779 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 16:59:10,780 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 16:59:10,780 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:59:10,780 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:59:10,780 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:59:10,780 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:59:10,781 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:59:10,781 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:59:10,781 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:10,781 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:59:10,782 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:59:10,782 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:59:10,782 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 16:59:10,782 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 16:59:10,782 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:59:10,783 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-20 16:59:10,783 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 16:59:10,783 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_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2022-11-20 16:59:11,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:59:11,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:59:11,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:59:11,282 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:59:11,283 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:59:11,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-20 16:59:14,414 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:59:14,714 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:59:14,715 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2022-11-20 16:59:14,738 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/data/99d99c9ec/52778a6bece5447587ba332bc9bddbab/FLAG5b661c309 [2022-11-20 16:59:14,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/data/99d99c9ec/52778a6bece5447587ba332bc9bddbab [2022-11-20 16:59:14,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:59:14,761 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:59:14,762 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:14,763 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:59:14,766 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:59:14,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:14" (1/1) ... [2022-11-20 16:59:14,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff5296b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:14, skipping insertion in model container [2022-11-20 16:59:14,769 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:59:14" (1/1) ... [2022-11-20 16:59:14,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:59:14,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:59:15,095 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:59:15,330 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_1002734d-9e52-4376-8935-7048c0afb833/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-20 16:59:15,343 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:15,385 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:59:15,416 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:59:15,443 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_1002734d-9e52-4376-8935-7048c0afb833/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2022-11-20 16:59:15,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:59:15,503 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:59:15,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15 WrapperNode [2022-11-20 16:59:15,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:59:15,505 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:15,505 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:59:15,505 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:59:15,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,546 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,573 INFO L138 Inliner]: procedures = 177, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2022-11-20 16:59:15,574 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:59:15,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:59:15,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:59:15,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:59:15,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,590 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,608 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,612 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,614 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,616 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:59:15,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:59:15,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:59:15,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:59:15,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:59:15" (1/1) ... [2022-11-20 16:59:15,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:59:15,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:59:15,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:59:15,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:59:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-20 16:59:15,733 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-20 16:59:15,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-11-20 16:59:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-11-20 16:59:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-20 16:59:15,735 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-20 16:59:15,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-20 16:59:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:59:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:59:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:59:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 16:59:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 16:59:15,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-20 16:59:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-11-20 16:59:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-11-20 16:59:15,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:59:15,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:59:15,739 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 16:59:15,936 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:59:15,953 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:59:16,134 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:59:16,156 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:59:16,156 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 16:59:16,157 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-11-20 16:59:16,158 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) [2022-11-20 16:59:16,162 INFO L158 Benchmark]: Toolchain (without parser) took 1400.33ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 42.4MB in the beginning and 41.9MB in the end (delta: 546.7kB). Peak memory consumption was 19.1MB. Max. memory is 16.1GB. [2022-11-20 16:59:16,163 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:59:16,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 741.47ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 42.2MB in the beginning and 59.2MB in the end (delta: -17.0MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-20 16:59:16,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.84ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 57.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:59:16,167 INFO L158 Benchmark]: Boogie Preprocessor took 43.76ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 55.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:59:16,169 INFO L158 Benchmark]: RCFGBuilder took 540.36ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 41.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 16:59:16,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 69.2MB. Free memory was 47.5MB in the beginning and 47.4MB in the end (delta: 94.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 741.47ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 42.2MB in the beginning and 59.2MB in the end (delta: -17.0MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.84ms. Allocated memory is still 88.1MB. Free memory was 59.2MB in the beginning and 57.2MB in the end (delta: 2.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.76ms. Allocated memory is still 88.1MB. Free memory was 57.2MB in the beginning and 55.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 540.36ms. Allocated memory is still 88.1MB. Free memory was 55.5MB in the beginning and 41.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. 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. [2022-11-20 16:59:16,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1002734d-9e52-4376-8935-7048c0afb833/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?