./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/stack_longest-1.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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:42,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:42,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:42,244 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:42,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:42,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:42,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:42,254 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:42,257 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:42,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:42,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:42,266 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:42,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:42,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:42,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:42,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:42,283 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:42,285 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:42,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:42,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:42,300 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:42,302 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:42,305 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:42,306 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:42,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:42,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:42,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:42,319 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:42,319 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:42,321 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:42,321 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:42,322 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:42,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:42,326 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:42,327 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:42,328 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:42,328 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:42,329 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:42,329 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:42,330 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:42,330 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:42,331 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:53:42,376 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:42,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:42,378 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:42,378 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:42,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:42,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:42,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:42,380 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:42,380 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:53:42,380 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:42,381 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:42,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:42,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:42,382 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:42,382 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:42,382 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:42,383 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:42,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:42,383 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:42,383 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:42,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:42,384 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:42,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:42,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:42,384 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:42,385 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:53:42,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:53:42,385 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:42,385 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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2021-11-23 15:53:42,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:42,668 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:42,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:42,672 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:42,673 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:42,675 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-23 15:53:42,754 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data/5864cd4db/a02209f1c5ea4f4295523c771749041b/FLAG52fbce35c [2021-11-23 15:53:43,341 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:43,341 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-23 15:53:43,365 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data/5864cd4db/a02209f1c5ea4f4295523c771749041b/FLAG52fbce35c [2021-11-23 15:53:43,608 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data/5864cd4db/a02209f1c5ea4f4295523c771749041b [2021-11-23 15:53:43,611 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:43,612 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:43,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:43,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:43,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:43,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:43" (1/1) ... [2021-11-23 15:53:43,619 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65eeb368 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:43, skipping insertion in model container [2021-11-23 15:53:43,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:43" (1/1) ... [2021-11-23 15:53:43,627 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:43,673 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:44,133 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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-23 15:53:44,159 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:44,172 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:44,212 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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-23 15:53:44,235 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:44,312 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:44,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44 WrapperNode [2021-11-23 15:53:44,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:44,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:44,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:44,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:44,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,372 INFO L137 Inliner]: procedures = 277, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 143 [2021-11-23 15:53:44,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:44,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:44,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:44,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:44,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:44,424 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:44,425 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:44,425 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:44,426 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:44" (1/1) ... [2021-11-23 15:53:44,434 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:44,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:44,468 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:44,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:53:44,522 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:53:44,522 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:53:44,523 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:53:44,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 15:53:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 15:53:44,524 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:53:44,524 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:53:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:53:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:44,525 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:53:44,525 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:53:44,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:53:44,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:44,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:44,529 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 15:53:44,712 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:44,714 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:45,015 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:45,025 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:45,025 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:53:45,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:45 BoogieIcfgContainer [2021-11-23 15:53:45,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:45,032 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:45,032 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:45,043 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:45,043 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:45" (1/1) ... [2021-11-23 15:53:45,044 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 15:53:45,049 INFO L158 Benchmark]: Toolchain (without parser) took 1434.83ms. Allocated memory is still 115.3MB. Free memory was 77.1MB in the beginning and 48.8MB in the end (delta: 28.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,050 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:45,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 699.97ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 69.8MB in the end (delta: 7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.40ms. Allocated memory is still 115.3MB. Free memory was 69.8MB in the beginning and 67.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,054 INFO L158 Benchmark]: Boogie Preprocessor took 49.96ms. Allocated memory is still 115.3MB. Free memory was 67.6MB in the beginning and 65.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,055 INFO L158 Benchmark]: RCFGBuilder took 607.05ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 50.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-23 15:53:45,056 INFO L158 Benchmark]: CodeCheck took 14.08ms. Allocated memory is still 115.3MB. Free memory was 50.1MB in the beginning and 48.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:45,065 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 115.3MB. Free memory was 86.8MB in the beginning and 86.7MB in the end (delta: 28.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 699.97ms. Allocated memory is still 115.3MB. Free memory was 76.8MB in the beginning and 69.8MB in the end (delta: 7.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.40ms. Allocated memory is still 115.3MB. Free memory was 69.8MB in the beginning and 67.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.96ms. Allocated memory is still 115.3MB. Free memory was 67.6MB in the beginning and 65.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 607.05ms. Allocated memory is still 115.3MB. Free memory was 65.6MB in the beginning and 50.1MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 14.08ms. Allocated memory is still 115.3MB. Free memory was 50.1MB in the beginning and 48.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:45,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread/stack_longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/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 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:53:47,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:53:47,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:53:47,567 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:53:47,568 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:53:47,569 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:53:47,571 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:53:47,574 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:53:47,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:53:47,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:53:47,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:53:47,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:53:47,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:53:47,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:53:47,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:53:47,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:53:47,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:53:47,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:53:47,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:53:47,594 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:53:47,596 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:53:47,598 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:53:47,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:53:47,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:53:47,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:53:47,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:53:47,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:53:47,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:53:47,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:53:47,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:53:47,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:53:47,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:53:47,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:53:47,612 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:53:47,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:53:47,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:53:47,615 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:53:47,615 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:53:47,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:53:47,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:53:47,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:53:47,619 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:53:47,644 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:53:47,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:53:47,646 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:53:47,646 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:53:47,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:53:47,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:53:47,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:53:47,648 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:53:47,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:53:47,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:53:47,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:53:47,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:53:47,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:53:47,649 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:53:47,649 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:53:47,649 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:53:47,650 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:53:47,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:53:47,650 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:53:47,650 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:53:47,651 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:53:47,651 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:53:47,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:53:47,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:47,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:53:47,652 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:53:47,652 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:53:47,652 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:53:47,652 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:53:47,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:53:47,653 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:53:47,653 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:53:47,653 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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 529fe0895c01c52d9b18b51c32204a307faf547c0c07b22bc1a431308affcf90 [2021-11-23 15:53:48,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:53:48,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:53:48,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:53:48,108 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:53:48,109 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:53:48,111 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-23 15:53:48,194 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data/f61e98b4f/ef12be96fc1b4eee94229adc6727c363/FLAGaaf90eb21 [2021-11-23 15:53:48,943 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:53:48,944 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/sv-benchmarks/c/pthread/stack_longest-1.i [2021-11-23 15:53:48,967 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data/f61e98b4f/ef12be96fc1b4eee94229adc6727c363/FLAGaaf90eb21 [2021-11-23 15:53:49,207 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/data/f61e98b4f/ef12be96fc1b4eee94229adc6727c363 [2021-11-23 15:53:49,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:53:49,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:53:49,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:49,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:53:49,217 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:53:49,218 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:49" (1/1) ... [2021-11-23 15:53:49,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326ba419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:49, skipping insertion in model container [2021-11-23 15:53:49,219 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:53:49" (1/1) ... [2021-11-23 15:53:49,240 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:53:49,304 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:53:49,981 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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-23 15:53:50,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:50,054 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:53:50,118 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_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/sv-benchmarks/c/pthread/stack_longest-1.i[41530,41543] [2021-11-23 15:53:50,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:53:50,239 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:53:50,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50 WrapperNode [2021-11-23 15:53:50,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:53:50,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:50,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:53:50,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:53:50,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,353 INFO L137 Inliner]: procedures = 281, calls = 41, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2021-11-23 15:53:50,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:53:50,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:53:50,356 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:53:50,356 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:53:50,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,412 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,434 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:53:50,435 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:53:50,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:53:50,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:53:50,436 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:53:50" (1/1) ... [2021-11-23 15:53:50,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:53:50,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:53:50,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:53:50,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:53:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-23 15:53:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2021-11-23 15:53:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2021-11-23 15:53:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2021-11-23 15:53:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2021-11-23 15:53:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 15:53:50,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 15:53:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-23 15:53:50,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:53:50,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-23 15:53:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure get_top [2021-11-23 15:53:50,534 INFO L138 BoogieDeclarations]: Found implementation of procedure get_top [2021-11-23 15:53:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-23 15:53:50,534 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:53:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-11-23 15:53:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-11-23 15:53:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:53:50,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:53:50,537 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 15:53:50,740 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:53:50,742 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:53:51,028 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:53:51,038 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:53:51,039 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 15:53:51,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:51 BoogieIcfgContainer [2021-11-23 15:53:51,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:53:51,042 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:53:51,042 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:53:51,052 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:53:51,053 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:53:51" (1/1) ... [2021-11-23 15:53:51,054 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 15:53:51,058 INFO L158 Benchmark]: Toolchain (without parser) took 1845.55ms. 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 38.5MB in the end (delta: -134.6kB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2021-11-23 15:53:51,059 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:51,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1027.66ms. Allocated memory is still 60.8MB. Free memory was 38.1MB in the beginning and 23.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:51,060 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.97ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 23.7MB in the beginning and 56.8MB in the end (delta: -33.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. [2021-11-23 15:53:51,061 INFO L158 Benchmark]: Boogie Preprocessor took 79.37ms. Allocated memory is still 75.5MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:53:51,062 INFO L158 Benchmark]: RCFGBuilder took 605.98ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 39.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 15:53:51,063 INFO L158 Benchmark]: CodeCheck took 14.21ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 38.5MB in the end (delta: 827.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:53:51,067 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 0.18ms. Allocated memory is still 60.8MB. Free memory is still 42.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1027.66ms. Allocated memory is still 60.8MB. Free memory was 38.1MB in the beginning and 23.7MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.97ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 23.7MB in the beginning and 56.8MB in the end (delta: -33.0MB). Peak memory consumption was 6.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.37ms. Allocated memory is still 75.5MB. Free memory was 56.8MB in the beginning and 54.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 605.98ms. Allocated memory is still 75.5MB. Free memory was 54.7MB in the beginning and 39.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 14.21ms. Allocated memory is still 75.5MB. Free memory was 39.3MB in the beginning and 38.5MB in the end (delta: 827.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:53:51,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ca5ccc9-524a-4e86-bea9-ff934844fe6c/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