./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 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e --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 0.2.1-dev-63182f1 [2021-11-13 21:04:46,139 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:04:46,142 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:04:46,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:04:46,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:04:46,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:04:46,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:04:46,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:04:46,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:04:46,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:04:46,209 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:04:46,211 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:04:46,211 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:04:46,213 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:04:46,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:04:46,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:04:46,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:04:46,220 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:04:46,222 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:04:46,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:04:46,227 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:04:46,229 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:04:46,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:04:46,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:04:46,236 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:04:46,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:04:46,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:04:46,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:04:46,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:04:46,241 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:04:46,241 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:04:46,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:04:46,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:04:46,245 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:04:46,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:04:46,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:04:46,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:04:46,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:04:46,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:04:46,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:04:46,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:04:46,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-13 21:04:46,276 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:04:46,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:04:46,277 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:04:46,277 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:04:46,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:04:46,279 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:04:46,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:04:46,279 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:04:46,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 21:04:46,280 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:04:46,280 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:04:46,280 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:04:46,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:04:46,281 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:04:46,281 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:04:46,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:04:46,281 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:04:46,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:04:46,282 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:04:46,282 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:04:46,282 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:04:46,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:46,283 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:04:46,283 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:04:46,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:04:46,283 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 21:04:46,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 21:04:46,284 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:04:46,284 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_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2021-11-13 21:04:46,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:04:46,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:04:46,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:04:46,604 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:04:46,606 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:04:46,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-13 21:04:46,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data/b31d855b5/aabb81ccfea040179d8272f0e8b16949/FLAGb4e35bec6 [2021-11-13 21:04:47,331 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:04:47,332 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-13 21:04:47,354 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data/b31d855b5/aabb81ccfea040179d8272f0e8b16949/FLAGb4e35bec6 [2021-11-13 21:04:47,574 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data/b31d855b5/aabb81ccfea040179d8272f0e8b16949 [2021-11-13 21:04:47,579 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:04:47,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:04:47,587 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:47,587 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:04:47,591 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:04:47,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:47" (1/1) ... [2021-11-13 21:04:47,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45ba2e39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:47, skipping insertion in model container [2021-11-13 21:04:47,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:47" (1/1) ... [2021-11-13 21:04:47,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:04:47,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:04:48,435 WARN L228 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_8853d06a-0648-4881-a839-bac8800884a9/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-13 21:04:48,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:48,469 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:04:48,574 WARN L228 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_8853d06a-0648-4881-a839-bac8800884a9/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-13 21:04:48,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:48,685 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:04:48,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48 WrapperNode [2021-11-13 21:04:48,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:48,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:48,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:04:48,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:04:48,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:48,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:04:48,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:04:48,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:04:48,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,781 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,818 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,827 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,836 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:04:48,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:04:48,837 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:04:48,837 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:04:48,838 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:48" (1/1) ... [2021-11-13 21:04:48,847 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:48,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:04:48,873 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:04:48,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:04:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 21:04:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:04:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2021-11-13 21:04:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2021-11-13 21:04:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 21:04:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2021-11-13 21:04:48,930 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2021-11-13 21:04:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2021-11-13 21:04:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2021-11-13 21:04:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2021-11-13 21:04:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2021-11-13 21:04:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2021-11-13 21:04:48,931 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2021-11-13 21:04:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-13 21:04:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2021-11-13 21:04:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2021-11-13 21:04:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 21:04:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2021-11-13 21:04:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2021-11-13 21:04:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2021-11-13 21:04:48,932 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2021-11-13 21:04:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2021-11-13 21:04:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2021-11-13 21:04:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2021-11-13 21:04:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2021-11-13 21:04:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:04:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:04:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-13 21:04:48,933 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-13 21:04:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2021-11-13 21:04:48,934 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2021-11-13 21:04:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 21:04:48,934 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 21:04:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:04:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 21:04:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 21:04:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2021-11-13 21:04:48,935 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2021-11-13 21:04:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-13 21:04:48,935 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-13 21:04:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-13 21:04:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2021-11-13 21:04:48,935 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2021-11-13 21:04:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2021-11-13 21:04:48,936 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2021-11-13 21:04:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2021-11-13 21:04:48,936 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2021-11-13 21:04:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2021-11-13 21:04:48,936 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2021-11-13 21:04:48,936 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2021-11-13 21:04:48,937 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2021-11-13 21:04:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2021-11-13 21:04:48,937 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2021-11-13 21:04:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2021-11-13 21:04:48,937 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2021-11-13 21:04:48,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 21:04:48,939 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 21:04:50,405 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:04:50,406 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 21:04:50,407 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2021-11-13 21:04:50,409 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:302) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 21:04:50,416 INFO L158 Benchmark]: Toolchain (without parser) took 2830.87ms. Allocated memory is still 151.0MB. Free memory was 113.8MB in the beginning and 80.5MB in the end (delta: 33.4MB). Peak memory consumption was 71.2MB. Max. memory is 16.1GB. [2021-11-13 21:04:50,417 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:04:50,419 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1098.80ms. Allocated memory is still 151.0MB. Free memory was 113.4MB in the beginning and 90.8MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2021-11-13 21:04:50,420 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.84ms. Allocated memory is still 151.0MB. Free memory was 90.2MB in the beginning and 87.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:04:50,421 INFO L158 Benchmark]: Boogie Preprocessor took 64.74ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 82.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-13 21:04:50,421 INFO L158 Benchmark]: RCFGBuilder took 1575.54ms. Allocated memory is still 151.0MB. Free memory was 82.8MB in the beginning and 80.5MB in the end (delta: 2.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-11-13 21:04:50,432 INFO L339 ainManager$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 83.9MB. Free memory was 54.8MB in the beginning and 54.7MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1098.80ms. Allocated memory is still 151.0MB. Free memory was 113.4MB in the beginning and 90.8MB in the end (delta: 22.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.84ms. Allocated memory is still 151.0MB. Free memory was 90.2MB in the beginning and 87.0MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.74ms. Allocated memory is still 151.0MB. Free memory was 87.0MB in the beginning and 82.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1575.54ms. Allocated memory is still 151.0MB. Free memory was 82.8MB in the beginning and 80.5MB in the end (delta: 2.3MB). Peak memory consumption was 41.9MB. 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 21:04:50,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/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_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e --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 0.2.1-dev-63182f1 [2021-11-13 21:04:53,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 21:04:53,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 21:04:53,090 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 21:04:53,091 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 21:04:53,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 21:04:53,099 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 21:04:53,104 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 21:04:53,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 21:04:53,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 21:04:53,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 21:04:53,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 21:04:53,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 21:04:53,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 21:04:53,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 21:04:53,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 21:04:53,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 21:04:53,131 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 21:04:53,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 21:04:53,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 21:04:53,137 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 21:04:53,139 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 21:04:53,141 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 21:04:53,142 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 21:04:53,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 21:04:53,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 21:04:53,147 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 21:04:53,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 21:04:53,149 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 21:04:53,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 21:04:53,151 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 21:04:53,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 21:04:53,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 21:04:53,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 21:04:53,155 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 21:04:53,155 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 21:04:53,156 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 21:04:53,157 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 21:04:53,157 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 21:04:53,159 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 21:04:53,160 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 21:04:53,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-13 21:04:53,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 21:04:53,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 21:04:53,188 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 21:04:53,188 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 21:04:53,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 21:04:53,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 21:04:53,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 21:04:53,190 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 21:04:53,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 21:04:53,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 21:04:53,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 21:04:53,191 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 21:04:53,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 21:04:53,194 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-13 21:04:53,194 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-13 21:04:53,195 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-13 21:04:53,195 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 21:04:53,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 21:04:53,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 21:04:53,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 21:04:53,196 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 21:04:53,197 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 21:04:53,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 21:04:53,197 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:53,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 21:04:53,198 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 21:04:53,198 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 21:04:53,199 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-13 21:04:53,199 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-13 21:04:53,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 21:04:53,200 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-13 21:04:53,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-13 21:04:53,200 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_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 115e066856baca443b44a0f6b5ce54f74ba2b2820e5612bf4393c0e893767d55 [2021-11-13 21:04:53,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 21:04:53,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 21:04:53,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 21:04:53,611 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 21:04:53,611 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 21:04:53,613 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-13 21:04:53,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data/17b5d10e0/ac6964cead774e18b26f832601bedb7f/FLAG3faeea513 [2021-11-13 21:04:54,466 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 21:04:54,466 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2021-11-13 21:04:54,497 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data/17b5d10e0/ac6964cead774e18b26f832601bedb7f/FLAG3faeea513 [2021-11-13 21:04:54,625 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/data/17b5d10e0/ac6964cead774e18b26f832601bedb7f [2021-11-13 21:04:54,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 21:04:54,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 21:04:54,633 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:54,633 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 21:04:54,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 21:04:54,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:54" (1/1) ... [2021-11-13 21:04:54,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:54, skipping insertion in model container [2021-11-13 21:04:54,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:04:54" (1/1) ... [2021-11-13 21:04:54,654 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 21:04:54,739 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 21:04:55,611 WARN L228 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_8853d06a-0648-4881-a839-bac8800884a9/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-13 21:04:55,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:55,682 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 21:04:55,787 WARN L228 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_8853d06a-0648-4881-a839-bac8800884a9/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63494,63507] [2021-11-13 21:04:55,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 21:04:55,977 INFO L208 MainTranslator]: Completed translation [2021-11-13 21:04:55,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55 WrapperNode [2021-11-13 21:04:55,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 21:04:55,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:55,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 21:04:55,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 21:04:55,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 21:04:56,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 21:04:56,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 21:04:56,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 21:04:56,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 21:04:56,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 21:04:56,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 21:04:56,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 21:04:56,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:04:55" (1/1) ... [2021-11-13 21:04:56,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 21:04:56,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/z3 [2021-11-13 21:04:56,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 21:04:56,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 21:04:56,293 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-13 21:04:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-13 21:04:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-13 21:04:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-11-13 21:04:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2021-11-13 21:04:56,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2021-11-13 21:04:56,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-13 21:04:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2021-11-13 21:04:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2021-11-13 21:04:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2021-11-13 21:04:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2021-11-13 21:04:56,295 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2021-11-13 21:04:56,295 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2021-11-13 21:04:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2021-11-13 21:04:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2021-11-13 21:04:56,296 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2021-11-13 21:04:56,296 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2021-11-13 21:04:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-13 21:04:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2021-11-13 21:04:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2021-11-13 21:04:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2021-11-13 21:04:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2021-11-13 21:04:56,297 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2021-11-13 21:04:56,297 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2021-11-13 21:04:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2021-11-13 21:04:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2021-11-13 21:04:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 21:04:56,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 21:04:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-11-13 21:04:56,298 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2021-11-13 21:04:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2021-11-13 21:04:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2021-11-13 21:04:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2021-11-13 21:04:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-13 21:04:56,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-13 21:04:56,299 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 21:04:56,300 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-13 21:04:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-11-13 21:04:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-13 21:04:56,301 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2021-11-13 21:04:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2021-11-13 21:04:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2021-11-13 21:04:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2021-11-13 21:04:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2021-11-13 21:04:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2021-11-13 21:04:56,302 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2021-11-13 21:04:56,302 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2021-11-13 21:04:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2021-11-13 21:04:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2021-11-13 21:04:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2021-11-13 21:04:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2021-11-13 21:04:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2021-11-13 21:04:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2021-11-13 21:04:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2021-11-13 21:04:56,303 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2021-11-13 21:04:56,303 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2021-11-13 21:04:56,304 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2021-11-13 21:04:56,305 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-13 21:04:58,092 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 21:04:58,092 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 21:04:58,094 ERROR L333 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2021-11-13 21:04:58,095 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:302) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-13 21:04:58,103 INFO L158 Benchmark]: Toolchain (without parser) took 3471.91ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 41.5MB in the beginning and 43.1MB in the end (delta: -1.6MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2021-11-13 21:04:58,103 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 21:04:58,105 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1345.91ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 41.2MB in the beginning and 59.3MB in the end (delta: -18.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2021-11-13 21:04:58,106 INFO L158 Benchmark]: Boogie Procedure Inliner took 131.51ms. Allocated memory is still 86.0MB. Free memory was 59.3MB in the beginning and 55.5MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 21:04:58,106 INFO L158 Benchmark]: Boogie Preprocessor took 73.75ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 51.4MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 21:04:58,108 INFO L158 Benchmark]: RCFGBuilder took 1912.59ms. Allocated memory is still 86.0MB. Free memory was 51.0MB in the beginning and 43.1MB in the end (delta: 8.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2021-11-13 21:04:58,118 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 65.0MB. Free memory is still 45.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1345.91ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 41.2MB in the beginning and 59.3MB in the end (delta: -18.0MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 131.51ms. Allocated memory is still 86.0MB. Free memory was 59.3MB in the beginning and 55.5MB in the end (delta: 3.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.75ms. Allocated memory is still 86.0MB. Free memory was 55.5MB in the beginning and 51.4MB in the end (delta: 4.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1912.59ms. Allocated memory is still 86.0MB. Free memory was 51.0MB in the beginning and 43.1MB in the end (delta: 8.0MB). Peak memory consumption was 25.9MB. 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:302) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-13 21:04:58,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8853d06a-0648-4881-a839-bac8800884a9/bin/ukojak-2xVlg8857e/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?