./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack.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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:42:10,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:42:10,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:42:10,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:42:10,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:42:10,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:42:10,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:42:10,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:42:10,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:42:10,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:42:10,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:42:10,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:42:10,809 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:42:10,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:42:10,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:42:10,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:42:10,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:42:10,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:42:10,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:42:10,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:42:10,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:42:10,838 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:42:10,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:42:10,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:42:10,854 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:42:10,854 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:42:10,855 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:42:10,857 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:42:10,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:42:10,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:42:10,860 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:42:10,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:42:10,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:42:10,865 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:42:10,867 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:42:10,867 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:42:10,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:42:10,868 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:42:10,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:42:10,870 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:42:10,870 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:42:10,871 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:42:10,921 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:42:10,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:42:10,923 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:42:10,923 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:42:10,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:42:10,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:42:10,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:42:10,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:42:10,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:42:10,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:42:10,934 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:42:10,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:42:10,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:42:10,935 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:42:10,935 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:42:10,935 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:42:10,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:42:10,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:42:10,936 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:42:10,936 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:42:10,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:42:10,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:10,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:42:10,937 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:42:10,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:42:10,938 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:42:10,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:42:10,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:42:10,938 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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 [2021-11-23 00:42:11,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:42:11,277 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:42:11,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:42:11,282 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:42:11,283 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:42:11,284 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/25_stack.i [2021-11-23 00:42:11,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data/31c4a6710/924ccc49bba84414aa3c036c0965572c/FLAGe2955bb4f [2021-11-23 00:42:12,025 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:42:12,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/sv-benchmarks/c/pthread-ext/25_stack.i [2021-11-23 00:42:12,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data/31c4a6710/924ccc49bba84414aa3c036c0965572c/FLAGe2955bb4f [2021-11-23 00:42:12,283 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data/31c4a6710/924ccc49bba84414aa3c036c0965572c [2021-11-23 00:42:12,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:42:12,287 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:42:12,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:12,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:42:12,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:42:12,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:12" (1/1) ... [2021-11-23 00:42:12,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bc8df98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:12, skipping insertion in model container [2021-11-23 00:42:12,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:12" (1/1) ... [2021-11-23 00:42:12,316 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:42:12,368 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:42:12,875 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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2021-11-23 00:42:12,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:12,915 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:42:12,987 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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2021-11-23 00:42:13,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:13,070 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:42:13,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13 WrapperNode [2021-11-23 00:42:13,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:13,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:13,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:42:13,074 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:42:13,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,122 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,175 INFO L137 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 115 [2021-11-23 00:42:13,175 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:13,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:42:13,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:42:13,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:42:13,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,221 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,223 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:42:13,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:42:13,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:42:13,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:42:13,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:13" (1/1) ... [2021-11-23 00:42:13,239 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:13,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:42:13,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:42:13,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:42:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:42:13,329 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 00:42:13,329 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 00:42:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:42:13,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 00:42:13,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 00:42:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:42:13,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:42:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:42:13,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:42:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:42:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2021-11-23 00:42:13,332 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2021-11-23 00:42:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:42:13,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 00:42:13,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 00:42:13,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:42:13,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:42:13,335 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 00:42:13,577 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:42:13,579 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:42:13,898 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:42:13,982 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:42:13,982 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:42:13,983 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 00:42:13,984 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 00:42:13,988 INFO L158 Benchmark]: Toolchain (without parser) took 1700.47ms. Allocated memory is still 107.0MB. Free memory was 70.2MB in the beginning and 50.0MB in the end (delta: 20.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-11-23 00:42:13,989 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 80.7MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:42:13,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 781.89ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 72.1MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:42:13,991 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.47ms. Allocated memory is still 107.0MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:42:13,992 INFO L158 Benchmark]: Boogie Preprocessor took 50.72ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:42:13,993 INFO L158 Benchmark]: RCFGBuilder took 758.00ms. Allocated memory is still 107.0MB. Free memory was 67.9MB in the beginning and 50.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 00:42:13,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 80.7MB in the end (delta: 25.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 781.89ms. Allocated memory is still 107.0MB. Free memory was 69.8MB in the beginning and 72.1MB in the end (delta: -2.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.47ms. Allocated memory is still 107.0MB. Free memory was 72.1MB in the beginning and 70.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.72ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 67.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 758.00ms. Allocated memory is still 107.0MB. Free memory was 67.9MB in the beginning and 50.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. 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 00:42:14,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:42:16,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:42:16,785 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:42:16,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:42:16,843 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:42:16,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:42:16,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:42:16,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:42:16,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:42:16,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:42:16,868 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:42:16,870 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:42:16,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:42:16,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:42:16,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:42:16,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:42:16,886 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:42:16,887 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:42:16,889 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:42:16,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:42:16,902 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:42:16,904 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:42:16,908 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:42:16,909 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:42:16,919 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:42:16,920 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:42:16,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:42:16,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:42:16,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:42:16,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:42:16,925 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:42:16,926 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:42:16,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:42:16,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:42:16,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:42:16,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:42:16,932 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:42:16,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:42:16,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:42:16,934 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:42:16,935 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:42:16,936 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 00:42:16,981 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:42:16,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:42:16,983 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:42:16,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:42:16,985 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:42:16,985 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:42:16,985 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:42:16,985 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:42:16,986 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:42:16,986 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:42:16,987 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:42:16,987 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:42:16,988 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:42:16,988 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 00:42:16,988 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 00:42:16,988 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 00:42:16,988 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:42:16,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:42:16,989 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:42:16,989 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:42:16,989 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:42:16,990 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:42:16,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:42:16,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:16,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:42:16,991 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:42:16,991 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:42:16,991 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 00:42:16,991 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 00:42:16,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:42:16,992 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 00:42:16,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 00:42:16,992 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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4272d82e4e32dc4af1661c2cd99f5af7e9487f266698e80f4586c30581d39fa9 [2021-11-23 00:42:17,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:42:17,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:42:17,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:42:17,396 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:42:17,397 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:42:17,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/pthread-ext/25_stack.i [2021-11-23 00:42:17,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data/462dab575/024123c4c0374ae5abd702f8da3e59ed/FLAG8bca1fb23 [2021-11-23 00:42:18,015 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:42:18,016 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/sv-benchmarks/c/pthread-ext/25_stack.i [2021-11-23 00:42:18,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data/462dab575/024123c4c0374ae5abd702f8da3e59ed/FLAG8bca1fb23 [2021-11-23 00:42:18,311 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/data/462dab575/024123c4c0374ae5abd702f8da3e59ed [2021-11-23 00:42:18,314 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:42:18,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:42:18,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:18,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:42:18,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:42:18,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:18" (1/1) ... [2021-11-23 00:42:18,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@225e65df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:18, skipping insertion in model container [2021-11-23 00:42:18,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:42:18" (1/1) ... [2021-11-23 00:42:18,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:42:18,398 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:42:18,871 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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2021-11-23 00:42:18,881 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:18,894 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:42:18,933 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_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/sv-benchmarks/c/pthread-ext/25_stack.i[31028,31041] [2021-11-23 00:42:18,951 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:42:19,005 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:42:19,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19 WrapperNode [2021-11-23 00:42:19,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:42:19,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:19,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:42:19,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:42:19,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,087 INFO L137 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2021-11-23 00:42:19,088 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:42:19,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:42:19,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:42:19,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:42:19,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,142 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:42:19,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:42:19,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:42:19,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:42:19,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:42:19" (1/1) ... [2021-11-23 00:42:19,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:42:19,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:42:19,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:42:19,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:42:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 00:42:19,250 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2021-11-23 00:42:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2021-11-23 00:42:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2021-11-23 00:42:19,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2021-11-23 00:42:19,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-23 00:42:19,252 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-23 00:42:19,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:42:19,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:42:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:42:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 00:42:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 00:42:19,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 00:42:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure EBStack_init [2021-11-23 00:42:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure EBStack_init [2021-11-23 00:42:19,255 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2021-11-23 00:42:19,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2021-11-23 00:42:19,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:42:19,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:42:19,257 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 00:42:19,430 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:42:19,432 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:42:19,667 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:42:19,726 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:42:19,727 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 00:42:19,727 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 00:42:19,728 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 00:42:19,733 INFO L158 Benchmark]: Toolchain (without parser) took 1415.19ms. Allocated memory is still 75.5MB. Free memory was 52.1MB in the beginning and 46.3MB in the end (delta: 5.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-11-23 00:42:19,733 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 29.6MB in the beginning and 29.6MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:42:19,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 687.10ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 47.5MB in the end (delta: 4.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:42:19,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.77ms. Allocated memory is still 75.5MB. Free memory was 47.5MB in the beginning and 45.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 00:42:19,736 INFO L158 Benchmark]: Boogie Preprocessor took 69.15ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 43.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:42:19,737 INFO L158 Benchmark]: RCFGBuilder took 571.78ms. Allocated memory is still 75.5MB. Free memory was 43.4MB in the beginning and 46.3MB in the end (delta: -2.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2021-11-23 00:42:19,741 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 29.6MB in the beginning and 29.6MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 687.10ms. Allocated memory is still 75.5MB. Free memory was 52.0MB in the beginning and 47.5MB in the end (delta: 4.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.77ms. Allocated memory is still 75.5MB. Free memory was 47.5MB in the beginning and 45.3MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.15ms. Allocated memory is still 75.5MB. Free memory was 45.3MB in the beginning and 43.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 571.78ms. Allocated memory is still 75.5MB. Free memory was 43.4MB in the beginning and 46.3MB in the end (delta: -2.8MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 00:42:19,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8c25df1-dfd4-4e50-8a2e-ade012dc317d/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?