./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:43,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:43,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:43,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:43,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:43,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:43,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:43,672 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:43,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:43,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:43,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:43,683 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:43,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:43,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:43,688 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:43,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:43,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:43,697 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:43,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:43,710 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:43,712 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:43,714 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:43,717 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:43,719 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:43,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:43,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:43,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:43,727 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:43,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:43,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:43,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:43,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:43,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:43,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:43,735 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:43,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:43,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:43,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:43,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:43,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:43,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:43,741 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:03:43,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:43,783 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:43,785 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:43,785 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:43,786 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:43,786 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:43,787 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:43,787 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:43,787 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:03:43,787 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:43,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:43,789 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:43,789 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:43,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:43,789 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:43,790 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:43,790 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:43,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:43,790 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:43,790 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:43,791 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:43,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:43,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:43,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:43,791 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:43,792 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:03:43,792 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:03:43,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:43,792 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_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2021-11-23 01:03:44,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:44,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:44,162 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:44,163 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:44,164 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:44,166 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2021-11-23 01:03:44,236 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data/0fe279f73/7262e1ab07a44d579149fd9201b9c54f/FLAG5e36aac79 [2021-11-23 01:03:44,876 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:44,877 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2021-11-23 01:03:44,905 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data/0fe279f73/7262e1ab07a44d579149fd9201b9c54f/FLAG5e36aac79 [2021-11-23 01:03:45,127 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data/0fe279f73/7262e1ab07a44d579149fd9201b9c54f [2021-11-23 01:03:45,129 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:45,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:45,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:45,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:45,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:45,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,147 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aad7163 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45, skipping insertion in model container [2021-11-23 01:03:45,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,157 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:45,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:45,420 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:03:45,621 WARN L230 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_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2021-11-23 01:03:45,632 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:45,642 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:45,669 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:03:45,704 WARN L230 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_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2021-11-23 01:03:45,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:45,751 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:45,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45 WrapperNode [2021-11-23 01:03:45,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:45,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:45,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:45,754 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:45,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,809 INFO L137 Inliner]: procedures = 174, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2021-11-23 01:03:45,809 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:45,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:45,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:45,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:45,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,822 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,822 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,828 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,832 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:45,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:45,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:45,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:45,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:45" (1/1) ... [2021-11-23 01:03:45,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:45,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:45,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:45,934 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:03:45,937 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:03:45,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:03:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 01:03:45,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 01:03:45,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:03:45,939 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:03:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:03:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:45,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:03:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:03:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:03:45,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:03:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 01:03:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 01:03:45,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:45,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:45,947 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:03:46,133 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:46,135 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:46,292 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:46,310 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:46,310 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:03:46,311 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-11-23 01:03:46,312 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:304) 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) [2021-11-23 01:03:46,317 INFO L158 Benchmark]: Toolchain (without parser) took 1185.32ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.7MB in the beginning and 54.1MB in the end (delta: -5.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2021-11-23 01:03:46,318 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:46,319 INFO L158 Benchmark]: CACSL2BoogieTranslator took 611.23ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.5MB in the beginning and 69.8MB in the end (delta: -21.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 01:03:46,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.94ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 67.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:46,321 INFO L158 Benchmark]: Boogie Preprocessor took 27.12ms. Allocated memory is still 104.9MB. Free memory was 67.6MB in the beginning and 66.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:46,321 INFO L158 Benchmark]: RCFGBuilder took 477.26ms. Allocated memory is still 104.9MB. Free memory was 66.3MB in the beginning and 54.1MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 01:03:46,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 86.0MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 611.23ms. Allocated memory was 86.0MB in the beginning and 104.9MB in the end (delta: 18.9MB). Free memory was 48.5MB in the beginning and 69.8MB in the end (delta: -21.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.94ms. Allocated memory is still 104.9MB. Free memory was 69.8MB in the beginning and 67.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.12ms. Allocated memory is still 104.9MB. Free memory was 67.6MB in the beginning and 66.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 477.26ms. Allocated memory is still 104.9MB. Free memory was 66.3MB in the beginning and 54.1MB in the end (delta: 12.2MB). 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:03:46,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:03:48,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:03:48,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:03:48,950 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:03:48,951 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:03:48,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:03:48,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:03:48,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:03:48,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:03:48,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:03:48,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:03:48,968 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:03:48,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:03:48,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:03:48,971 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:03:48,973 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:03:48,974 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:03:48,975 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:03:48,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:03:48,980 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:03:48,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:03:48,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:03:48,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:03:48,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:03:48,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:03:48,990 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:03:48,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:03:48,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:03:48,993 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:03:48,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:03:48,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:03:48,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:03:48,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:03:48,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:03:48,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:03:49,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:03:49,001 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:03:49,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:03:49,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:03:49,003 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:03:49,004 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:03:49,005 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 01:03:49,059 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:03:49,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:03:49,063 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:03:49,063 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:03:49,064 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:03:49,065 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:03:49,065 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:03:49,065 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:03:49,066 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:03:49,066 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:03:49,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:03:49,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:03:49,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:03:49,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 01:03:49,068 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 01:03:49,068 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 01:03:49,068 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:03:49,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:03:49,069 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:03:49,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:03:49,069 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:03:49,069 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:03:49,070 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:03:49,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:49,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:03:49,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:03:49,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:03:49,071 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 01:03:49,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 01:03:49,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:03:49,072 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 01:03:49,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 01:03:49,072 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_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5eef73b6b2655059556d731e3a5babc181132142f2417a2cf863165dd8efda84 [2021-11-23 01:03:49,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:03:49,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:03:49,564 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:03:49,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:03:49,566 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:03:49,567 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2021-11-23 01:03:49,646 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data/1610f5c09/7778cb067ecd44c38e2212ad17b6c7a6/FLAGefad3031f [2021-11-23 01:03:50,309 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:03:50,310 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/sv-benchmarks/c/pthread-ext/40_barrier_vf.i [2021-11-23 01:03:50,341 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data/1610f5c09/7778cb067ecd44c38e2212ad17b6c7a6/FLAGefad3031f [2021-11-23 01:03:50,615 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/data/1610f5c09/7778cb067ecd44c38e2212ad17b6c7a6 [2021-11-23 01:03:50,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:03:50,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:03:50,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:50,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:03:50,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:03:50,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:50" (1/1) ... [2021-11-23 01:03:50,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32716f82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:50, skipping insertion in model container [2021-11-23 01:03:50,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:03:50" (1/1) ... [2021-11-23 01:03:50,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:03:50,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:03:50,922 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:03:51,103 WARN L230 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_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2021-11-23 01:03:51,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:51,140 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:03:51,169 WARN L610 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2021-11-23 01:03:51,201 WARN L230 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_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/sv-benchmarks/c/pthread-ext/40_barrier_vf.i[31163,31176] [2021-11-23 01:03:51,207 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:03:51,270 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:03:51,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51 WrapperNode [2021-11-23 01:03:51,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:03:51,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:51,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:03:51,274 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:03:51,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,337 INFO L137 Inliner]: procedures = 177, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2021-11-23 01:03:51,337 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:03:51,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:03:51,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:03:51,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:03:51,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,366 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,370 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:03:51,371 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:03:51,371 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:03:51,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:03:51,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:03:51" (1/1) ... [2021-11-23 01:03:51,383 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:03:51,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:03:51,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:03:51,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:03:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 01:03:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 01:03:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 01:03:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 01:03:51,471 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 01:03:51,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 01:03:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-23 01:03:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:03:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:03:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:03:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 01:03:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 01:03:51,472 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-23 01:03:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 01:03:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 01:03:51,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:03:51,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:03:51,475 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-23 01:03:51,584 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:03:51,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:03:51,723 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:03:51,745 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:03:51,746 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:03:51,747 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2021-11-23 01:03:51,748 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:304) 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) [2021-11-23 01:03:51,751 INFO L158 Benchmark]: Toolchain (without parser) took 1131.96ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 34.9MB in the beginning and 42.5MB in the end (delta: -7.6MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2021-11-23 01:03:51,752 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:03:51,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.45ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 29.9MB in the end (delta: 4.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2021-11-23 01:03:51,754 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.03ms. Allocated memory is still 58.7MB. Free memory was 29.9MB in the beginning and 27.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:51,754 INFO L158 Benchmark]: Boogie Preprocessor took 32.11ms. Allocated memory is still 58.7MB. Free memory was 27.8MB in the beginning and 26.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:03:51,755 INFO L158 Benchmark]: RCFGBuilder took 378.71ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 26.3MB in the beginning and 42.5MB in the end (delta: -16.3MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2021-11-23 01:03:51,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 58.7MB. Free memory was 39.4MB in the beginning and 39.4MB in the end (delta: 42.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 651.45ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 29.9MB in the end (delta: 4.8MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.03ms. Allocated memory is still 58.7MB. Free memory was 29.9MB in the beginning and 27.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.11ms. Allocated memory is still 58.7MB. Free memory was 27.8MB in the beginning and 26.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.71ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 26.3MB in the beginning and 42.5MB in the end (delta: -16.3MB). Peak memory consumption was 3.3MB. 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:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 01:03:51,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2cf775e7-90ed-4c57-8bf2-a82f5fe03397/bin/ukojak-LBtLqBUTdQ/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?