./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:29:15,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:29:15,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:29:16,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:29:16,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:29:16,023 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:29:16,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:29:16,029 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:29:16,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:29:16,040 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:29:16,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:29:16,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:29:16,044 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:29:16,047 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:29:16,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:29:16,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:29:16,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:29:16,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:29:16,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:29:16,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:29:16,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:29:16,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:29:16,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:29:16,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:29:16,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:29:16,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:29:16,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:29:16,092 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:29:16,093 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:29:16,094 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:29:16,095 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:29:16,096 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:29:16,098 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:29:16,099 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:29:16,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:29:16,101 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:29:16,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:29:16,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:29:16,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:29:16,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:29:16,105 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:29:16,106 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-21 06:29:16,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:29:16,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:29:16,151 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:29:16,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:29:16,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:29:16,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:29:16,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:29:16,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:29:16,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:29:16,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:29:16,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:29:16,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:29:16,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:29:16,156 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:29:16,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:29:16,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:29:16,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:29:16,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:29:16,157 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:29:16,157 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:29:16,158 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:29:16,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:29:16,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:29:16,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:29:16,159 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:29:16,159 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:29:16,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:29:16,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:29:16,160 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_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-21 06:29:16,463 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:29:16,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:29:16,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:29:16,493 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:29:16,494 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:29:16,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-21 06:29:16,575 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data/3a1e94fb8/460bf49fbd1045878cc4fe7525a52f44/FLAG81897cf55 [2021-11-21 06:29:17,155 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:29:17,156 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/sv-benchmarks/c/pthread/stack-1.i [2021-11-21 06:29:17,191 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data/3a1e94fb8/460bf49fbd1045878cc4fe7525a52f44/FLAG81897cf55 [2021-11-21 06:29:17,432 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data/3a1e94fb8/460bf49fbd1045878cc4fe7525a52f44 [2021-11-21 06:29:17,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:29:17,435 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:29:17,437 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:29:17,437 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:29:17,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:29:17,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:17" (1/1) ... [2021-11-21 06:29:17,445 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613f3076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:17, skipping insertion in model container [2021-11-21 06:29:17,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:17" (1/1) ... [2021-11-21 06:29:17,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:29:17,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:29:17,982 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_75229f08-f6e8-4518-8cc1-3e20a658bf9a/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-21 06:29:18,005 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:29:18,020 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:29:18,055 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_75229f08-f6e8-4518-8cc1-3e20a658bf9a/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-21 06:29:18,066 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:29:18,137 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:29:18,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18 WrapperNode [2021-11-21 06:29:18,138 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:29:18,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:29:18,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:29:18,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:29:18,147 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,231 INFO L137 Inliner]: procedures = 277, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 142 [2021-11-21 06:29:18,232 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:29:18,233 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:29:18,233 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:29:18,233 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:29:18,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:29:18,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:29:18,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:29:18,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:29:18,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:29:18,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:29:18,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:29:18,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:29:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-21 06:29:18,382 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-21 06:29:18,382 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-21 06:29:18,383 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-21 06:29:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:29:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:29:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:29:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:29:18,383 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-21 06:29:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-21 06:29:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 06:29:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:29:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-21 06:29:18,384 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-21 06:29:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 06:29:18,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:29:18,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:29:18,386 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 06:29:18,514 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:29:18,516 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:29:18,873 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:29:18,882 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:29:18,883 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 06:29:18,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:18 BoogieIcfgContainer [2021-11-21 06:29:18,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:29:18,885 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:29:18,886 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:29:18,893 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:29:18,894 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:18" (1/1) ... [2021-11-21 06:29:18,894 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-11-21 06:29:18,897 INFO L158 Benchmark]: Toolchain (without parser) took 1461.12ms. Allocated memory is still 121.6MB. Free memory was 94.4MB in the beginning and 57.1MB in the end (delta: 37.4MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2021-11-21 06:29:18,898 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:29:18,898 INFO L158 Benchmark]: CACSL2BoogieTranslator took 701.74ms. Allocated memory is still 121.6MB. Free memory was 94.4MB in the beginning and 77.7MB in the end (delta: 16.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 06:29:18,899 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.49ms. Allocated memory is still 121.6MB. Free memory was 77.7MB in the beginning and 75.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 06:29:18,899 INFO L158 Benchmark]: Boogie Preprocessor took 66.13ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 73.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:29:18,900 INFO L158 Benchmark]: RCFGBuilder took 583.55ms. Allocated memory is still 121.6MB. Free memory was 73.2MB in the beginning and 58.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-21 06:29:18,901 INFO L158 Benchmark]: CodeCheck took 10.46ms. Allocated memory is still 121.6MB. Free memory was 57.8MB in the beginning and 57.1MB in the end (delta: 750.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:29:18,905 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 121.6MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 701.74ms. Allocated memory is still 121.6MB. Free memory was 94.4MB in the beginning and 77.7MB in the end (delta: 16.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.49ms. Allocated memory is still 121.6MB. Free memory was 77.7MB in the beginning and 75.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.13ms. Allocated memory is still 121.6MB. Free memory was 75.0MB in the beginning and 73.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 583.55ms. Allocated memory is still 121.6MB. Free memory was 73.2MB in the beginning and 58.2MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10.46ms. Allocated memory is still 121.6MB. Free memory was 57.8MB in the beginning and 57.1MB in the end (delta: 750.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:29:18,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/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 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_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN --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 a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:29:21,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:29:21,397 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:29:21,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:29:21,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:29:21,430 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:29:21,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:29:21,434 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:29:21,437 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:29:21,438 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:29:21,439 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:29:21,441 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:29:21,441 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:29:21,442 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:29:21,444 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:29:21,446 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:29:21,447 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:29:21,448 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:29:21,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:29:21,453 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:29:21,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:29:21,457 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:29:21,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:29:21,459 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:29:21,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:29:21,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:29:21,464 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:29:21,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:29:21,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:29:21,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:29:21,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:29:21,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:29:21,470 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:29:21,471 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:29:21,472 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:29:21,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:29:21,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:29:21,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:29:21,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:29:21,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:29:21,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:29:21,478 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-21 06:29:21,531 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:29:21,534 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:29:21,536 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:29:21,536 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:29:21,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:29:21,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:29:21,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:29:21,539 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-21 06:29:21,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-21 06:29:21,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:29:21,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:29:21,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:29:21,541 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:29:21,542 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-21 06:29:21,542 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-21 06:29:21,542 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-21 06:29:21,542 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-21 06:29:21,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:29:21,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:29:21,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:29:21,543 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:29:21,544 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:29:21,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:29:21,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:29:21,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:29:21,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:29:21,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:29:21,545 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-21 06:29:21,545 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-21 06:29:21,546 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:29:21,546 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-21 06:29:21,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 06:29:21,547 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_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e93db72222dd521789305cbf7823ac91f269c62c97020d54f95f5ba14d3fd2 [2021-11-21 06:29:21,942 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:29:21,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:29:21,972 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:29:21,974 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:29:21,976 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:29:21,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/pthread/stack-1.i [2021-11-21 06:29:22,047 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data/06a6af99c/bcf2f4d7bf194515adc8fa932121b519/FLAG1b4a434ba [2021-11-21 06:29:22,749 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:29:22,749 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/sv-benchmarks/c/pthread/stack-1.i [2021-11-21 06:29:22,766 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data/06a6af99c/bcf2f4d7bf194515adc8fa932121b519/FLAG1b4a434ba [2021-11-21 06:29:23,056 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/data/06a6af99c/bcf2f4d7bf194515adc8fa932121b519 [2021-11-21 06:29:23,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:29:23,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:29:23,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:29:23,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:29:23,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:29:23,076 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:23" (1/1) ... [2021-11-21 06:29:23,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45d5434c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:23, skipping insertion in model container [2021-11-21 06:29:23,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:23" (1/1) ... [2021-11-21 06:29:23,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:29:23,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:29:23,769 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_75229f08-f6e8-4518-8cc1-3e20a658bf9a/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-21 06:29:23,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:29:23,839 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:29:23,898 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_75229f08-f6e8-4518-8cc1-3e20a658bf9a/sv-benchmarks/c/pthread/stack-1.i[41520,41533] [2021-11-21 06:29:23,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:29:24,030 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:29:24,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24 WrapperNode [2021-11-21 06:29:24,031 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:29:24,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:29:24,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:29:24,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:29:24,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,076 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,103 INFO L137 Inliner]: procedures = 281, calls = 45, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2021-11-21 06:29:24,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:29:24,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:29:24,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:29:24,105 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:29:24,113 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,144 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:29:24,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:29:24,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:29:24,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:29:24,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:29:24,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:29:24,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:29:24,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:29:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-21 06:29:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-21 06:29:24,257 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-21 06:29:24,257 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-21 06:29:24,258 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-21 06:29:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:29:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:29:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-21 06:29:24,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-21 06:29:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-21 06:29:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-21 06:29:24,259 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-21 06:29:24,259 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-21 06:29:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 06:29:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-21 06:29:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-21 06:29:24,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:29:24,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:29:24,262 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-21 06:29:24,465 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:29:24,467 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:29:24,849 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:29:24,858 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:29:24,858 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 06:29:24,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:24 BoogieIcfgContainer [2021-11-21 06:29:24,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:29:24,862 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:29:24,862 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:29:24,870 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:29:24,870 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:24" (1/1) ... [2021-11-21 06:29:24,871 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Concurrent programs are currently unsupported at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:358) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) 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) [2021-11-21 06:29:24,876 INFO L158 Benchmark]: Toolchain (without parser) took 1812.81ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 29.1MB in the beginning and 35.6MB in the end (delta: -6.5MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2021-11-21 06:29:24,877 INFO L158 Benchmark]: CDTParser took 2.15ms. Allocated memory is still 54.5MB. Free memory is still 36.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:29:24,879 INFO L158 Benchmark]: CACSL2BoogieTranslator took 959.70ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.9MB in the beginning and 41.9MB in the end (delta: -12.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-21 06:29:24,880 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.05ms. Allocated memory is still 67.1MB. Free memory was 41.9MB in the beginning and 39.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-21 06:29:24,881 INFO L158 Benchmark]: Boogie Preprocessor took 75.27ms. Allocated memory is still 67.1MB. Free memory was 39.0MB in the beginning and 36.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:29:24,882 INFO L158 Benchmark]: RCFGBuilder took 680.18ms. Allocated memory is still 67.1MB. Free memory was 36.9MB in the beginning and 36.6MB in the end (delta: 390.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-21 06:29:24,883 INFO L158 Benchmark]: CodeCheck took 11.04ms. Allocated memory is still 67.1MB. Free memory was 36.6MB in the beginning and 35.6MB in the end (delta: 985.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:29:24,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Concurrent programs are currently unsupported: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.initialize(CodeCheckObserver.java:173) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.15ms. Allocated memory is still 54.5MB. Free memory is still 36.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 959.70ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 28.9MB in the beginning and 41.9MB in the end (delta: -12.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.05ms. Allocated memory is still 67.1MB. Free memory was 41.9MB in the beginning and 39.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.27ms. Allocated memory is still 67.1MB. Free memory was 39.0MB in the beginning and 36.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.18ms. Allocated memory is still 67.1MB. Free memory was 36.9MB in the beginning and 36.6MB in the end (delta: 390.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 11.04ms. Allocated memory is still 67.1MB. Free memory was 36.6MB in the beginning and 35.6MB in the end (delta: 985.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-21 06:29:24,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_75229f08-f6e8-4518-8cc1-3e20a658bf9a/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Concurrent programs are currently unsupported