./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/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 dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:29:26,549 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:29:26,552 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:29:26,608 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:29:26,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:29:26,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:29:26,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:29:26,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:29:26,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:29:26,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:29:26,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:29:26,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:29:26,635 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:29:26,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:29:26,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:29:26,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:29:26,648 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:29:26,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:29:26,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:29:26,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:29:26,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:29:26,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:29:26,671 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:29:26,672 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:29:26,683 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:29:26,683 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:29:26,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:29:26,686 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:29:26,687 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:29:26,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:29:26,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:29:26,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:29:26,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:29:26,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:29:26,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:29:26,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:29:26,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:29:26,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:29:26,697 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:29:26,698 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:29:26,699 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:29:26,701 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:29:26,744 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:29:26,744 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:29:26,746 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:29:26,746 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:29:26,747 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:29:26,748 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:29:26,748 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:29:26,748 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:29:26,748 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:29:26,749 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:29:26,750 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:29:26,750 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:29:26,750 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:29:26,751 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:29:26,751 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:29:26,751 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:29:26,752 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:29:26,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:29:26,752 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:29:26,752 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:29:26,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:29:26,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:29:26,753 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:29:26,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:29:26,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:29:26,754 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:29:26,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:29:26,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:29:26,755 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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2021-11-23 00:29:27,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:29:27,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:29:27,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:29:27,123 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:29:27,124 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:29:27,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2021-11-23 00:29:27,200 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data/f1a35cda0/e11f74f125b9409cb88b16f68d26a969/FLAGf0e138859 [2021-11-23 00:29:27,845 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:29:27,848 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2021-11-23 00:29:27,875 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data/f1a35cda0/e11f74f125b9409cb88b16f68d26a969/FLAGf0e138859 [2021-11-23 00:29:28,078 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data/f1a35cda0/e11f74f125b9409cb88b16f68d26a969 [2021-11-23 00:29:28,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:29:28,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:29:28,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:28,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:29:28,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:29:28,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@470debee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28, skipping insertion in model container [2021-11-23 00:29:28,095 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:29:28,165 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:29:28,565 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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2021-11-23 00:29:28,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:28,598 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:29:28,664 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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2021-11-23 00:29:28,685 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:28,737 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:29:28,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28 WrapperNode [2021-11-23 00:29:28,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:28,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:28,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:29:28,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:29:28,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,831 INFO L137 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 115 [2021-11-23 00:29:28,831 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:28,832 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:29:28,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:29:28,833 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:29:28,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,870 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:29:28,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:29:28,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:29:28,888 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:29:28,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:28" (1/1) ... [2021-11-23 00:29:28,902 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:29:28,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:29:28,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:29:28,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:29:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:29:28,983 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 00:29:28,983 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 00:29:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:29:28,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 00:29:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 00:29:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:29:28,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:29:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:29:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:29:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:29:28,985 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2021-11-23 00:29:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2021-11-23 00:29:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:29:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 00:29:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 00:29:28,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:29:28,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:29:28,988 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 00:29:29,153 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:29:29,155 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:29:29,386 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:29:29,457 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:29:29,458 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:29:29,459 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2021-11-23 00:29:29,460 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 00:29:29,464 INFO L158 Benchmark]: Toolchain (without parser) took 1378.80ms. Allocated memory is still 107.0MB. Free memory was 76.3MB in the beginning and 76.0MB in the end (delta: 345.8kB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2021-11-23 00:29:29,465 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:29,466 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.25ms. Allocated memory is still 107.0MB. Free memory was 76.0MB in the beginning and 56.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-23 00:29:29,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.96ms. Allocated memory is still 107.0MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:29,468 INFO L158 Benchmark]: Boogie Preprocessor took 54.53ms. Allocated memory is still 107.0MB. Free memory was 54.1MB in the beginning and 52.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:29,469 INFO L158 Benchmark]: RCFGBuilder took 574.89ms. Allocated memory is still 107.0MB. Free memory was 52.5MB in the beginning and 76.0MB in the end (delta: -23.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2021-11-23 00:29:29,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 79.7MB. Free memory is still 45.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.25ms. Allocated memory is still 107.0MB. Free memory was 76.0MB in the beginning and 56.2MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.96ms. Allocated memory is still 107.0MB. Free memory was 56.2MB in the beginning and 54.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.53ms. Allocated memory is still 107.0MB. Free memory was 54.1MB in the beginning and 52.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.89ms. Allocated memory is still 107.0MB. Free memory was 52.5MB in the beginning and 76.0MB in the end (delta: -23.5MB). Peak memory consumption was 16.6MB. 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 00:29:29,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/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 dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:29:32,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:29:32,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:29:32,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:29:32,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:29:32,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:29:32,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:29:32,151 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:29:32,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:29:32,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:29:32,161 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:29:32,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:29:32,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:29:32,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:29:32,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:29:32,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:29:32,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:29:32,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:29:32,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:29:32,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:29:32,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:29:32,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:29:32,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:29:32,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:29:32,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:29:32,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:29:32,215 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:29:32,216 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:29:32,218 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:29:32,219 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:29:32,219 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:29:32,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:29:32,222 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:29:32,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:29:32,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:29:32,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:29:32,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:29:32,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:29:32,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:29:32,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:29:32,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:29:32,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:29:32,281 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:29:32,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:29:32,282 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:29:32,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:29:32,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:29:32,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:29:32,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:29:32,284 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:29:32,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:29:32,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:29:32,285 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:29:32,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:29:32,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:29:32,285 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:29:32,285 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:29:32,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:29:32,286 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:29:32,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:29:32,286 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:29:32,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:29:32,287 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:29:32,287 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:29:32,287 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:29:32,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:29:32,288 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:29:32,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:29:32,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:29:32,288 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:29:32,289 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:29:32,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:29:32,289 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:29:32,289 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:29:32,290 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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2021-11-23 00:29:32,725 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:29:32,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:29:32,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:29:32,765 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:29:32,766 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:29:32,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2021-11-23 00:29:32,846 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data/ba92676e6/ed45153f55214ef5be1b580d3b8ccffc/FLAG1c47327f4 [2021-11-23 00:29:33,381 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:29:33,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2021-11-23 00:29:33,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data/ba92676e6/ed45153f55214ef5be1b580d3b8ccffc/FLAG1c47327f4 [2021-11-23 00:29:33,685 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/data/ba92676e6/ed45153f55214ef5be1b580d3b8ccffc [2021-11-23 00:29:33,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:29:33,692 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:29:33,696 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:33,696 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:29:33,700 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:29:33,701 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:33" (1/1) ... [2021-11-23 00:29:33,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d332834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:33, skipping insertion in model container [2021-11-23 00:29:33,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:29:33" (1/1) ... [2021-11-23 00:29:33,710 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:29:33,755 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:29:34,210 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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2021-11-23 00:29:34,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:34,259 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:29:34,305 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_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2021-11-23 00:29:34,310 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:29:34,380 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:29:34,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34 WrapperNode [2021-11-23 00:29:34,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:29:34,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:34,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:29:34,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:29:34,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,474 INFO L137 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2021-11-23 00:29:34,475 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:29:34,477 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:29:34,477 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:29:34,478 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:29:34,486 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,508 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:29:34,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:29:34,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:29:34,562 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:29:34,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:29:34" (1/1) ... [2021-11-23 00:29:34,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:29:34,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:29:34,611 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:29:34,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:29:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:29:34,677 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 00:29:34,677 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 00:29:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 00:29:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 00:29:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:29:34,678 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:29:34,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:29:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:29:34,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:29:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:29:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:29:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 00:29:34,681 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2021-11-23 00:29:34,681 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2021-11-23 00:29:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 00:29:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 00:29:34,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:29:34,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:29:34,684 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 00:29:34,870 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:29:34,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:29:35,142 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:29:35,204 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:29:35,205 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:29:35,206 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_acquireENTRY is neither atomic block end nor a sink node. [2021-11-23 00:29:35,207 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 00:29:35,211 INFO L158 Benchmark]: Toolchain (without parser) took 1517.08ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.4MB in the beginning and 38.7MB in the end (delta: -7.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2021-11-23 00:29:35,211 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:29:35,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 686.52ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 43.2MB in the end (delta: -11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:29:35,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.07ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 40.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:35,214 INFO L158 Benchmark]: Boogie Preprocessor took 84.11ms. Allocated memory is still 71.3MB. Free memory was 40.9MB in the beginning and 39.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:29:35,215 INFO L158 Benchmark]: RCFGBuilder took 646.79ms. Allocated memory is still 71.3MB. Free memory was 39.0MB in the beginning and 38.7MB in the end (delta: 230.8kB). Peak memory consumption was 7.9MB. Max. memory is 16.1GB. [2021-11-23 00:29:35,219 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 54.5MB. Free memory was 36.3MB in the beginning and 36.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 686.52ms. Allocated memory was 54.5MB in the beginning and 71.3MB in the end (delta: 16.8MB). Free memory was 31.3MB in the beginning and 43.2MB in the end (delta: -11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.07ms. Allocated memory is still 71.3MB. Free memory was 43.2MB in the beginning and 40.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.11ms. Allocated memory is still 71.3MB. Free memory was 40.9MB in the beginning and 39.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.79ms. Allocated memory is still 71.3MB. Free memory was 39.0MB in the beginning and 38.7MB in the end (delta: 230.8kB). Peak memory consumption was 7.9MB. 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 00:29:35,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1f6d679-e1ce-4b1b-b793-2d84c8446d5b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?