./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB --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 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:48:03,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:03,220 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:03,270 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:03,271 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:03,275 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:03,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:03,283 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:03,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:03,292 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:03,293 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:03,296 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:03,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:03,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:03,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:03,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:03,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:03,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:03,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:03,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:03,319 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:03,320 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:03,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:03,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:03,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:03,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:03,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:03,338 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:03,339 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:03,340 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:03,341 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:03,342 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:03,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:03,347 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:03,348 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:03,349 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:03,349 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:03,350 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:03,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:03,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:03,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:03,355 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:48:03,406 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:03,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:03,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:03,408 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:03,409 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:03,409 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:03,409 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:03,410 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:03,410 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:48:03,410 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:03,410 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:03,411 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:03,411 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:03,411 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:03,411 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:03,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:03,412 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:03,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:03,412 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:03,413 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:03,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:03,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:03,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:03,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:03,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:03,414 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:48:03,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:48:03,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:03,415 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_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc [2022-10-17 16:48:03,679 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:03,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:03,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:03,711 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:03,713 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:03,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-10-17 16:48:03,790 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data/7cad03e4d/c790df1288214019b482128f77356b8d/FLAGc8a7f2bbe [2022-10-17 16:48:04,374 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:04,375 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-10-17 16:48:04,390 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data/7cad03e4d/c790df1288214019b482128f77356b8d/FLAGc8a7f2bbe [2022-10-17 16:48:04,633 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data/7cad03e4d/c790df1288214019b482128f77356b8d [2022-10-17 16:48:04,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:04,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:04,638 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:04,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:04,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:04,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:04" (1/1) ... [2022-10-17 16:48:04,644 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41a13afe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:04, skipping insertion in model container [2022-10-17 16:48:04,644 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:04" (1/1) ... [2022-10-17 16:48:04,651 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:04,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:05,172 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_9469ec68-e338-449c-820a-486ab6cb9dda/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-10-17 16:48:05,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:05,192 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:05,231 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_9469ec68-e338-449c-820a-486ab6cb9dda/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-10-17 16:48:05,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:05,275 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:05,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05 WrapperNode [2022-10-17 16:48:05,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:05,277 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:05,277 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:05,277 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:05,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,342 INFO L138 Inliner]: procedures = 177, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 147 [2022-10-17 16:48:05,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:05,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:05,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:05,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:05,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,369 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,389 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,392 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:05,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:05,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:05,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:05,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:05" (1/1) ... [2022-10-17 16:48:05,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:05,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:05,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:05,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:48:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 16:48:05,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 16:48:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:48:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 16:48:05,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 16:48:05,499 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:48:05,499 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:48:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:48:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:05,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:48:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 16:48:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 16:48:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:05,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:05,513 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:48:05,696 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:05,711 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:06,045 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:06,170 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:06,171 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:48:06,171 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-10-17 16:48:06,173 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:48:06,185 INFO L158 Benchmark]: Toolchain (without parser) took 1547.13ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 62.2MB in the beginning and 78.5MB in the end (delta: -16.4MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-10-17 16:48:06,187 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:06,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 637.68ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 51.0MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:48:06,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.22ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 48.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:06,191 INFO L158 Benchmark]: Boogie Preprocessor took 69.78ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:06,192 INFO L158 Benchmark]: RCFGBuilder took 768.97ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 46.9MB in the beginning and 78.5MB in the end (delta: -31.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-10-17 16:48:06,197 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 88.1MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 637.68ms. Allocated memory is still 88.1MB. Free memory was 62.2MB in the beginning and 51.0MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.22ms. Allocated memory is still 88.1MB. Free memory was 51.0MB in the beginning and 48.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.78ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 47.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 768.97ms. Allocated memory was 88.1MB in the beginning and 121.6MB in the end (delta: 33.6MB). Free memory was 46.9MB in the beginning and 78.5MB in the end (delta: -31.6MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:48:06,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/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_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB --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 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:48:08,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:48:08,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:48:08,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:48:08,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:48:08,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:48:08,994 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:48:08,999 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:48:09,006 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:48:09,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:48:09,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:48:09,018 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:48:09,019 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:48:09,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:48:09,024 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:48:09,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:48:09,028 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:48:09,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:48:09,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:48:09,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:48:09,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:48:09,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:48:09,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:48:09,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:48:09,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:48:09,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:48:09,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:48:09,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:48:09,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:48:09,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:48:09,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:48:09,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:48:09,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:48:09,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:48:09,073 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:48:09,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:48:09,074 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:48:09,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:48:09,075 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:48:09,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:48:09,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:48:09,079 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:48:09,123 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:48:09,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:48:09,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:48:09,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:48:09,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:48:09,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:48:09,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:48:09,128 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:48:09,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:48:09,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:48:09,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:48:09,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:48:09,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:48:09,131 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:48:09,131 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:48:09,131 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:48:09,131 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:48:09,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:48:09,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:48:09,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:48:09,132 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:48:09,132 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:48:09,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:48:09,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:09,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:48:09,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:48:09,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:48:09,134 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:48:09,134 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:48:09,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:48:09,135 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:48:09,135 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:48:09,135 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_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 79f59481c49375d27b8409383d6d600e90e5ee29536655deda4d0ae0ca7faefc [2022-10-17 16:48:09,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:48:09,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:48:09,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:48:09,588 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:48:09,589 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:48:09,590 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-10-17 16:48:09,665 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data/7a374e86a/4ab4fa9943f54a3292c2a819cf82939e/FLAG78e120674 [2022-10-17 16:48:10,392 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:48:10,393 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i [2022-10-17 16:48:10,406 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data/7a374e86a/4ab4fa9943f54a3292c2a819cf82939e/FLAG78e120674 [2022-10-17 16:48:10,612 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/data/7a374e86a/4ab4fa9943f54a3292c2a819cf82939e [2022-10-17 16:48:10,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:48:10,617 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:48:10,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:10,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:48:10,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:48:10,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:10" (1/1) ... [2022-10-17 16:48:10,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d9a646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:10, skipping insertion in model container [2022-10-17 16:48:10,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:48:10" (1/1) ... [2022-10-17 16:48:10,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:48:10,676 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:48:11,056 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_9469ec68-e338-449c-820a-486ab6cb9dda/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-10-17 16:48:11,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:11,080 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:48:11,123 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_9469ec68-e338-449c-820a-486ab6cb9dda/sv-benchmarks/c/pthread-ext/26_stack_cas_longest-2.i[31164,31177] [2022-10-17 16:48:11,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:48:11,170 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:48:11,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11 WrapperNode [2022-10-17 16:48:11,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:48:11,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:11,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:48:11,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:48:11,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,208 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,249 INFO L138 Inliner]: procedures = 181, calls = 47, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 144 [2022-10-17 16:48:11,250 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:48:11,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:48:11,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:48:11,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:48:11,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,287 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,315 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,320 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:48:11,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:48:11,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:48:11,339 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:48:11,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:48:11" (1/1) ... [2022-10-17 16:48:11,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:48:11,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:48:11,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:48:11,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:48:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:48:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-10-17 16:48:11,434 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-10-17 16:48:11,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_acquire [2022-10-17 16:48:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_acquire [2022-10-17 16:48:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-17 16:48:11,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-17 16:48:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:48:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:48:11,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:48:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:48:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:48:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-10-17 16:48:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_release [2022-10-17 16:48:11,436 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_atomic_release [2022-10-17 16:48:11,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:48:11,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:48:11,449 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 16:48:11,597 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:48:11,599 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:48:12,020 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:48:12,222 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:48:12,223 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:48:12,224 ERROR L334 CfgBuilder]: Unexpected successor node of atomic block begin: __VERIFIER_atomic_releaseENTRY is neither atomic block end nor a sink node. [2022-10-17 16:48:12,224 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-10-17 16:48:12,229 INFO L158 Benchmark]: Toolchain (without parser) took 1610.10ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 40.2MB in the beginning and 41.2MB in the end (delta: -1.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-10-17 16:48:12,229 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:48:12,230 INFO L158 Benchmark]: CACSL2BoogieTranslator took 551.04ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 33.9MB in the end (delta: 6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-10-17 16:48:12,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.16ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 31.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:12,231 INFO L158 Benchmark]: Boogie Preprocessor took 86.58ms. Allocated memory is still 62.9MB. Free memory was 31.4MB in the beginning and 29.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:48:12,247 INFO L158 Benchmark]: RCFGBuilder took 888.41ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 29.3MB in the beginning and 41.2MB in the end (delta: -11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:48:12,251 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 50.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 551.04ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 33.9MB in the end (delta: 6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.16ms. Allocated memory is still 62.9MB. Free memory was 33.7MB in the beginning and 31.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.58ms. Allocated memory is still 62.9MB. Free memory was 31.4MB in the beginning and 29.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 888.41ms. Allocated memory was 62.9MB in the beginning and 86.0MB in the end (delta: 23.1MB). Free memory was 29.3MB in the beginning and 41.2MB in the end (delta: -11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:303) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:48:12,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9469ec68-e338-449c-820a-486ab6cb9dda/bin/ukojak-92XMlrwhuB/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: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?