./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL --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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:58:23,260 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:58:23,263 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:58:23,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:58:23,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:58:23,322 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:58:23,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:58:23,328 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:58:23,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:58:23,335 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:58:23,337 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:58:23,339 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:58:23,339 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:58:23,342 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:58:23,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:58:23,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:58:23,350 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:58:23,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:58:23,354 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:58:23,362 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:58:23,364 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:58:23,365 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:58:23,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:58:23,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:58:23,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:58:23,379 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:58:23,380 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:58:23,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:58:23,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:58:23,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:58:23,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:58:23,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:58:23,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:58:23,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:58:23,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:58:23,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:58:23,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:58:23,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:58:23,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:58:23,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:58:23,395 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:58:23,396 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-25 07:58:23,438 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:58:23,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:58:23,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:58:23,440 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:58:23,441 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:58:23,441 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:58:23,441 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:58:23,441 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:58:23,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 07:58:23,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:58:23,449 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:58:23,449 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:58:23,449 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:58:23,450 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:58:23,450 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:58:23,450 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:58:23,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:58:23,451 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:58:23,451 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:58:23,451 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:58:23,451 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:58:23,452 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:58:23,452 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:58:23,452 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:58:23,452 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:58:23,453 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-25 07:58:23,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 07:58:23,453 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:58:23,453 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_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2021-11-25 07:58:23,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:58:23,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:58:23,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:58:23,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:58:23,738 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:58:23,740 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-25 07:58:23,814 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data/d8c316cdb/12c6447e3256427fb21285308cf567a4/FLAG2fc31ab93 [2021-11-25 07:58:24,393 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:58:24,394 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-25 07:58:24,420 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data/d8c316cdb/12c6447e3256427fb21285308cf567a4/FLAG2fc31ab93 [2021-11-25 07:58:24,650 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data/d8c316cdb/12c6447e3256427fb21285308cf567a4 [2021-11-25 07:58:24,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:58:24,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:58:24,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:58:24,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:58:24,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:58:24,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:24" (1/1) ... [2021-11-25 07:58:24,675 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@551c529d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:24, skipping insertion in model container [2021-11-25 07:58:24,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:24" (1/1) ... [2021-11-25 07:58:24,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:58:24,756 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:58:25,543 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_3ddb4ba3-49f9-41de-9d28-94aebecd3931/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-25 07:58:25,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:58:25,591 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:58:25,650 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_3ddb4ba3-49f9-41de-9d28-94aebecd3931/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-25 07:58:25,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:58:25,776 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:58:25,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25 WrapperNode [2021-11-25 07:58:25,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:58:25,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:58:25,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:58:25,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:58:25,786 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,889 INFO L137 Inliner]: procedures = 397, calls = 214, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 280 [2021-11-25 07:58:25,890 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:58:25,891 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:58:25,891 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:58:25,891 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:58:25,908 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,950 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:58:25,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:58:25,960 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:58:25,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:58:25,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:25" (1/1) ... [2021-11-25 07:58:25,969 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:58:25,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:58:26,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:58:26,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:58:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 07:58:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:58:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2021-11-25 07:58:26,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2021-11-25 07:58:26,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 07:58:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2021-11-25 07:58:26,043 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2021-11-25 07:58:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2021-11-25 07:58:26,043 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2021-11-25 07:58:26,043 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2021-11-25 07:58:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2021-11-25 07:58:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2021-11-25 07:58:26,044 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2021-11-25 07:58:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 07:58:26,044 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2021-11-25 07:58:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2021-11-25 07:58:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:58:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:58:26,045 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2021-11-25 07:58:26,045 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2021-11-25 07:58:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2021-11-25 07:58:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2021-11-25 07:58:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2021-11-25 07:58:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2021-11-25 07:58:26,046 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2021-11-25 07:58:26,046 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2021-11-25 07:58:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:58:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:58:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-25 07:58:26,047 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-25 07:58:26,047 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2021-11-25 07:58:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2021-11-25 07:58:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 07:58:26,048 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 07:58:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:58:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:58:26,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 07:58:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2021-11-25 07:58:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2021-11-25 07:58:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-25 07:58:26,049 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-25 07:58:26,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 07:58:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2021-11-25 07:58:26,050 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2021-11-25 07:58:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2021-11-25 07:58:26,050 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2021-11-25 07:58:26,050 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2021-11-25 07:58:26,050 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2021-11-25 07:58:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2021-11-25 07:58:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2021-11-25 07:58:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2021-11-25 07:58:26,051 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2021-11-25 07:58:26,051 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2021-11-25 07:58:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2021-11-25 07:58:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2021-11-25 07:58:26,052 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2021-11-25 07:58:26,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 07:58:26,054 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 07:58:26,320 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:58:26,322 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:58:27,115 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:58:27,484 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:58:27,484 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 07:58:27,485 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2021-11-25 07:58:27,486 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-25 07:58:27,496 INFO L158 Benchmark]: Toolchain (without parser) took 2839.66ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 63.2MB in the beginning and 57.7MB in the end (delta: 5.5MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2021-11-25 07:58:27,497 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:58:27,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1106.90ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 38.6MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-25 07:58:27,500 INFO L158 Benchmark]: Boogie Procedure Inliner took 111.92ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 38.6MB in the beginning and 93.4MB in the end (delta: -54.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2021-11-25 07:58:27,501 INFO L158 Benchmark]: Boogie Preprocessor took 68.31ms. Allocated memory is still 119.5MB. Free memory was 93.4MB in the beginning and 89.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:58:27,502 INFO L158 Benchmark]: RCFGBuilder took 1532.87ms. Allocated memory is still 119.5MB. Free memory was 89.1MB in the beginning and 57.7MB in the end (delta: 31.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. [2021-11-25 07:58:27,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 98.6MB. Free memory was 51.1MB in the beginning and 51.1MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1106.90ms. Allocated memory is still 98.6MB. Free memory was 63.0MB in the beginning and 38.6MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 111.92ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 38.6MB in the beginning and 93.4MB in the end (delta: -54.8MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.31ms. Allocated memory is still 119.5MB. Free memory was 93.4MB in the beginning and 89.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1532.87ms. Allocated memory is still 119.5MB. Free memory was 89.1MB in the beginning and 57.7MB in the end (delta: 31.5MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:58:27,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/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_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL --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 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 07:58:30,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 07:58:30,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 07:58:30,087 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 07:58:30,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 07:58:30,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 07:58:30,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 07:58:30,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 07:58:30,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 07:58:30,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 07:58:30,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 07:58:30,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 07:58:30,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 07:58:30,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 07:58:30,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 07:58:30,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 07:58:30,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 07:58:30,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 07:58:30,117 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 07:58:30,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 07:58:30,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 07:58:30,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 07:58:30,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 07:58:30,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 07:58:30,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 07:58:30,142 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 07:58:30,142 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 07:58:30,143 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 07:58:30,147 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 07:58:30,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 07:58:30,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 07:58:30,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 07:58:30,152 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 07:58:30,153 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 07:58:30,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 07:58:30,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 07:58:30,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 07:58:30,156 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 07:58:30,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 07:58:30,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 07:58:30,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 07:58:30,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-25 07:58:30,206 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 07:58:30,206 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 07:58:30,208 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 07:58:30,208 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-25 07:58:30,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-25 07:58:30,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-25 07:58:30,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 07:58:30,211 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-25 07:58:30,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-25 07:58:30,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 07:58:30,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 07:58:30,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 07:58:30,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 07:58:30,213 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-25 07:58:30,213 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-25 07:58:30,214 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-25 07:58:30,214 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-25 07:58:30,214 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 07:58:30,214 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 07:58:30,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 07:58:30,215 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-25 07:58:30,215 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-25 07:58:30,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 07:58:30,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:58:30,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 07:58:30,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 07:58:30,216 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 07:58:30,217 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-25 07:58:30,217 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-25 07:58:30,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 07:58:30,217 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-25 07:58:30,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 07:58:30,218 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_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2021-11-25 07:58:30,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 07:58:30,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 07:58:30,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 07:58:30,646 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 07:58:30,647 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 07:58:30,648 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-25 07:58:30,730 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data/799a5b530/ea096e147323485f95f8b9256486bf29/FLAGb6a08b0cd [2021-11-25 07:58:31,452 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 07:58:31,455 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-25 07:58:31,480 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data/799a5b530/ea096e147323485f95f8b9256486bf29/FLAGb6a08b0cd [2021-11-25 07:58:31,497 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/data/799a5b530/ea096e147323485f95f8b9256486bf29 [2021-11-25 07:58:31,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 07:58:31,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 07:58:31,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 07:58:31,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 07:58:31,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 07:58:31,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:31" (1/1) ... [2021-11-25 07:58:31,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a9cf017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:31, skipping insertion in model container [2021-11-25 07:58:31,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 07:58:31" (1/1) ... [2021-11-25 07:58:31,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 07:58:31,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 07:58:32,326 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_3ddb4ba3-49f9-41de-9d28-94aebecd3931/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-25 07:58:32,360 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:58:32,375 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 07:58:32,476 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_3ddb4ba3-49f9-41de-9d28-94aebecd3931/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-25 07:58:32,488 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 07:58:32,643 INFO L208 MainTranslator]: Completed translation [2021-11-25 07:58:32,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32 WrapperNode [2021-11-25 07:58:32,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 07:58:32,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 07:58:32,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 07:58:32,646 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 07:58:32,653 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,683 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,722 INFO L137 Inliner]: procedures = 401, calls = 214, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 272 [2021-11-25 07:58:32,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 07:58:32,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 07:58:32,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 07:58:32,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 07:58:32,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,741 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 07:58:32,821 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 07:58:32,821 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 07:58:32,821 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 07:58:32,822 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 07:58:32" (1/1) ... [2021-11-25 07:58:32,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-25 07:58:32,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/z3 [2021-11-25 07:58:32,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-25 07:58:32,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-25 07:58:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-25 07:58:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 07:58:32,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-25 07:58:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-25 07:58:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2021-11-25 07:58:32,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2021-11-25 07:58:32,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-25 07:58:32,933 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2021-11-25 07:58:32,933 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2021-11-25 07:58:32,934 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2021-11-25 07:58:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2021-11-25 07:58:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2021-11-25 07:58:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2021-11-25 07:58:32,935 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2021-11-25 07:58:32,935 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2021-11-25 07:58:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2021-11-25 07:58:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2021-11-25 07:58:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 07:58:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 07:58:32,936 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2021-11-25 07:58:32,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2021-11-25 07:58:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2021-11-25 07:58:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2021-11-25 07:58:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2021-11-25 07:58:32,937 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2021-11-25 07:58:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2021-11-25 07:58:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2021-11-25 07:58:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 07:58:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 07:58:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-25 07:58:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-25 07:58:32,938 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-25 07:58:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2021-11-25 07:58:32,939 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2021-11-25 07:58:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-25 07:58:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-25 07:58:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 07:58:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 07:58:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-25 07:58:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 07:58:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2021-11-25 07:58:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2021-11-25 07:58:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-25 07:58:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-25 07:58:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2021-11-25 07:58:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2021-11-25 07:58:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2021-11-25 07:58:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2021-11-25 07:58:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2021-11-25 07:58:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2021-11-25 07:58:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2021-11-25 07:58:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2021-11-25 07:58:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2021-11-25 07:58:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2021-11-25 07:58:32,945 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2021-11-25 07:58:32,945 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2021-11-25 07:58:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2021-11-25 07:58:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2021-11-25 07:58:32,950 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-25 07:58:33,240 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 07:58:33,242 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 07:58:34,220 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 07:58:34,609 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 07:58:34,610 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 07:58:34,610 ERROR L335 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2021-11-25 07:58:34,611 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBuilderObserver.process(RCFGBuilderObserver.java:88) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.DFSTreeWalker.runObserver(DFSTreeWalker.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-25 07:58:34,617 INFO L158 Benchmark]: Toolchain (without parser) took 3112.53ms. Allocated memory was 58.7MB in the beginning and 119.5MB in the end (delta: 60.8MB). Free memory was 32.7MB in the beginning and 80.6MB in the end (delta: -47.9MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2021-11-25 07:58:34,618 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-25 07:58:34,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1138.73ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 32.5MB in the beginning and 44.6MB in the end (delta: -12.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2021-11-25 07:58:34,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.07ms. Allocated memory is still 77.6MB. Free memory was 44.6MB in the beginning and 40.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:58:34,621 INFO L158 Benchmark]: Boogie Preprocessor took 97.18ms. Allocated memory is still 77.6MB. Free memory was 40.7MB in the beginning and 36.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-25 07:58:34,621 INFO L158 Benchmark]: RCFGBuilder took 1793.50ms. Allocated memory was 77.6MB in the beginning and 119.5MB in the end (delta: 41.9MB). Free memory was 36.5MB in the beginning and 80.6MB in the end (delta: -44.0MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. [2021-11-25 07:58:34,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 58.7MB. Free memory was 38.3MB in the beginning and 38.3MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1138.73ms. Allocated memory was 58.7MB in the beginning and 77.6MB in the end (delta: 18.9MB). Free memory was 32.5MB in the beginning and 44.6MB in the end (delta: -12.1MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.07ms. Allocated memory is still 77.6MB. Free memory was 44.6MB in the beginning and 40.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 97.18ms. Allocated memory is still 77.6MB. Free memory was 40.7MB in the beginning and 36.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1793.50ms. Allocated memory was 77.6MB in the beginning and 119.5MB in the end (delta: 41.9MB). Free memory was 36.5MB in the beginning and 80.6MB in the end (delta: -44.0MB). Peak memory consumption was 22.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Large block encoding incomplete: Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:304) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-25 07:58:34,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3ddb4ba3-49f9-41de-9d28-94aebecd3931/bin/ukojak-d1pc8ZmBRL/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?