./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu --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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:19,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:19,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:19,088 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:19,089 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:19,090 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:19,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:19,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:19,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:19,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:19,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:19,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:19,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:19,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:19,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:19,107 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:19,108 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:19,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:19,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:19,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:19,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:19,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:19,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:19,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:19,126 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:19,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:19,127 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:19,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:19,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:19,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:19,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:19,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:19,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:19,134 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:19,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:19,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:19,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:19,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:19,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:19,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:19,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:19,142 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:55:19,181 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:19,181 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:19,182 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:19,183 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:19,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:19,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:19,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:19,185 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:19,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:55:19,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:19,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:19,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:19,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:19,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:19,186 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:19,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:19,187 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:19,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:19,187 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:19,188 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:19,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:19,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:19,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:19,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:19,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:19,190 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:55:19,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:55:19,190 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:19,190 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_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2021-11-23 15:55:19,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:19,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:19,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:19,481 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:19,482 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:19,484 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/stack_longest-2.i [2021-11-23 15:55:19,579 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data/d4e25d877/38aae3ced4314d51afcfbddadc467c21/FLAG6580637f4 [2021-11-23 15:55:20,154 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:20,155 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/sv-benchmarks/c/pthread/stack_longest-2.i [2021-11-23 15:55:20,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data/d4e25d877/38aae3ced4314d51afcfbddadc467c21/FLAG6580637f4 [2021-11-23 15:55:20,417 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data/d4e25d877/38aae3ced4314d51afcfbddadc467c21 [2021-11-23 15:55:20,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:20,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:20,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:20,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:20,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:20,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5382dab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:20, skipping insertion in model container [2021-11-23 15:55:20,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:20" (1/1) ... [2021-11-23 15:55:20,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:20,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:21,182 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_88914e51-b792-45cc-9643-5396a7fcb009/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2021-11-23 15:55:21,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:21,239 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:21,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2021-11-23 15:55:21,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:21,419 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:21,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21 WrapperNode [2021-11-23 15:55:21,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:21,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:21,421 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:21,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:21,430 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,512 INFO L137 Inliner]: procedures = 277, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 138 [2021-11-23 15:55:21,513 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:21,514 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:21,514 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:21,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:21,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:21,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:21,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:21,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:21,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:21" (1/1) ... [2021-11-23 15:55:21,602 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:21,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:21,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:21,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:55:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:55:21,688 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:55:21,689 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:55:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:55:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:55:21,690 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:55:21,690 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:55:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:55:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:55:21,691 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:55:21,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:55:21,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:21,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:21,694 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 15:55:21,862 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:21,864 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:22,081 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:22,090 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:55:22,091 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:55:22,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:22 BoogieIcfgContainer [2021-11-23 15:55:22,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:55:22,094 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:55:22,094 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:55:22,128 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:55:22,128 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:22" (1/1) ... [2021-11-23 15:55:22,129 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) [2021-11-23 15:55:22,133 INFO L158 Benchmark]: Toolchain (without parser) took 1711.22ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 52.1MB in the beginning and 88.7MB in the end (delta: -36.7MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:22,134 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:22,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 997.12ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 51.9MB in the beginning and 70.8MB in the end (delta: -18.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:22,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.43ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 68.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:22,137 INFO L158 Benchmark]: Boogie Preprocessor took 69.30ms. Allocated memory is still 113.2MB. Free memory was 68.1MB in the beginning and 66.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:22,138 INFO L158 Benchmark]: RCFGBuilder took 509.15ms. Allocated memory is still 113.2MB. Free memory was 66.3MB in the beginning and 50.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:55:22,138 INFO L158 Benchmark]: CodeCheck took 37.27ms. Allocated memory is still 113.2MB. Free memory was 50.9MB in the beginning and 88.7MB in the end (delta: -37.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:22,143 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 0.34ms. Allocated memory is still 92.3MB. Free memory is still 70.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 997.12ms. Allocated memory was 92.3MB in the beginning and 113.2MB in the end (delta: 21.0MB). Free memory was 51.9MB in the beginning and 70.8MB in the end (delta: -18.9MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.43ms. Allocated memory is still 113.2MB. Free memory was 70.8MB in the beginning and 68.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.30ms. Allocated memory is still 113.2MB. Free memory was 68.1MB in the beginning and 66.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 509.15ms. Allocated memory is still 113.2MB. Free memory was 66.3MB in the beginning and 50.9MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 37.27ms. Allocated memory is still 113.2MB. Free memory was 50.9MB in the beginning and 88.7MB in the end (delta: -37.9MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:22,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/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_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu --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 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:55:24,593 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:55:24,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:55:24,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:55:24,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:55:24,654 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:55:24,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:55:24,660 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:55:24,664 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:55:24,669 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:55:24,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:55:24,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:55:24,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:55:24,678 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:55:24,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:55:24,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:55:24,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:55:24,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:55:24,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:55:24,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:55:24,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:55:24,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:55:24,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:55:24,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:55:24,731 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:55:24,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:55:24,732 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:55:24,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:55:24,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:55:24,736 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:55:24,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:55:24,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:55:24,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:55:24,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:55:24,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:55:24,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:55:24,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:55:24,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:55:24,743 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:55:24,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:55:24,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:55:24,746 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:55:24,789 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:55:24,789 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:55:24,790 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:55:24,791 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:55:24,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:55:24,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:55:24,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:55:24,793 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:55:24,793 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:55:24,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:55:24,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:55:24,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:55:24,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:55:24,795 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:55:24,796 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:55:24,796 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:55:24,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:55:24,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:55:24,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:55:24,797 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:55:24,797 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:55:24,797 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:55:24,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:55:24,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:24,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:55:24,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:55:24,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:55:24,799 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:55:24,799 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:55:24,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:55:24,799 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:55:24,799 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:55:24,800 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_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5773bc320dd9dee5d943610df8c4ec3040864edddf388dd42a51d37167245e47 [2021-11-23 15:55:25,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:55:25,256 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:55:25,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:55:25,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:55:25,262 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:55:25,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/stack_longest-2.i [2021-11-23 15:55:25,341 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data/7c27b04aa/7a2e723ff38f438fa7cb781759154013/FLAG75eb6f02d [2021-11-23 15:55:25,975 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:55:25,975 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/sv-benchmarks/c/pthread/stack_longest-2.i [2021-11-23 15:55:25,991 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data/7c27b04aa/7a2e723ff38f438fa7cb781759154013/FLAG75eb6f02d [2021-11-23 15:55:26,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/data/7c27b04aa/7a2e723ff38f438fa7cb781759154013 [2021-11-23 15:55:26,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:55:26,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:55:26,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:26,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:55:26,245 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:55:26,246 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2bbe62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26, skipping insertion in model container [2021-11-23 15:55:26,248 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:26,255 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:55:26,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:55:26,801 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_88914e51-b792-45cc-9643-5396a7fcb009/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2021-11-23 15:55:26,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:26,848 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:55:26,895 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_88914e51-b792-45cc-9643-5396a7fcb009/sv-benchmarks/c/pthread/stack_longest-2.i[41530,41543] [2021-11-23 15:55:26,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:55:26,993 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:55:26,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26 WrapperNode [2021-11-23 15:55:26,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:55:26,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:26,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:55:26,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:55:27,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,055 INFO L137 Inliner]: procedures = 281, calls = 40, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 135 [2021-11-23 15:55:27,055 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:55:27,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:55:27,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:55:27,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:55:27,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:55:27,097 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:55:27,097 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:55:27,097 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:55:27,098 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:55:26" (1/1) ... [2021-11-23 15:55:27,110 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:55:27,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:55:27,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:55:27,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:55:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:55:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:55:27,184 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:55:27,184 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:55:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:55:27,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:55:27,185 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:55:27,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:55:27,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:55:27,188 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 15:55:27,378 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:55:27,380 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:55:27,763 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:55:27,774 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:55:27,775 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:55:27,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:27 BoogieIcfgContainer [2021-11-23 15:55:27,793 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:55:27,794 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:55:27,794 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:55:27,806 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:55:27,807 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:55:27" (1/1) ... [2021-11-23 15:55:27,819 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) [2021-11-23 15:55:27,824 INFO L158 Benchmark]: Toolchain (without parser) took 1585.63ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 38.4MB in the beginning and 50.9MB in the end (delta: -12.5MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2021-11-23 15:55:27,824 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 60.8MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:55:27,825 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.44ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 41.3MB in the end (delta: -3.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2021-11-23 15:55:27,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.53ms. Allocated memory is still 60.8MB. Free memory was 41.3MB in the beginning and 38.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:27,827 INFO L158 Benchmark]: Boogie Preprocessor took 39.94ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 36.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:27,829 INFO L158 Benchmark]: RCFGBuilder took 696.16ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 36.6MB in the beginning and 52.0MB in the end (delta: -15.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2021-11-23 15:55:27,830 INFO L158 Benchmark]: CodeCheck took 27.72ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 50.9MB in the end (delta: 761.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:55:27,834 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 0.28ms. Allocated memory is still 60.8MB. Free memory is still 40.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.44ms. Allocated memory is still 60.8MB. Free memory was 38.3MB in the beginning and 41.3MB in the end (delta: -3.1MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.53ms. Allocated memory is still 60.8MB. Free memory was 41.3MB in the beginning and 38.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.94ms. Allocated memory is still 60.8MB. Free memory was 38.6MB in the beginning and 36.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 696.16ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 36.6MB in the beginning and 52.0MB in the end (delta: -15.4MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * CodeCheck took 27.72ms. Allocated memory is still 75.5MB. Free memory was 51.7MB in the beginning and 50.9MB in the end (delta: 761.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:55:27,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88914e51-b792-45cc-9643-5396a7fcb009/bin/ukojak-CwSLpZB5Qu/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