./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:35,156 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:35,226 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-12 00:00:35,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:00:35,233 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:00:35,262 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:35,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:35,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:35,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:35,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:35,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:35,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:35,272 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:35,274 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:00:35,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:35,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:35,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:35,281 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:35,282 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:35,283 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:35,283 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:35,284 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:35,284 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:35,285 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:35,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:35,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:35,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:35,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:35,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:35,288 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:00:35,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:00:35,289 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:35,289 INFO L153 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_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-12 00:00:35,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:35,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:35,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:35,589 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:35,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:35,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-12 00:00:38,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:39,150 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:39,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-12 00:00:39,188 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/data/15ec57a44/93f593e9954f4c2a87d34d5a6f934a99/FLAG1b3bfde22 [2023-11-12 00:00:39,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/data/15ec57a44/93f593e9954f4c2a87d34d5a6f934a99 [2023-11-12 00:00:39,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:39,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:39,224 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:39,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:39,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:39,233 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:39" (1/1) ... [2023-11-12 00:00:39,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552ca3ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:39, skipping insertion in model container [2023-11-12 00:00:39,236 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:39" (1/1) ... [2023-11-12 00:00:39,325 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:40,114 WARN L240 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_27b0b1e5-6cb0-4495-8748-068c262eae98/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-12 00:00:40,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:40,167 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:40,278 WARN L240 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_27b0b1e5-6cb0-4495-8748-068c262eae98/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-12 00:00:40,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:40,380 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:40,380 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:40,386 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:40,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40 WrapperNode [2023-11-12 00:00:40,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:40,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:40,388 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:40,388 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:40,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,424 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,465 INFO L138 Inliner]: procedures = 397, calls = 218, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 283 [2023-11-12 00:00:40,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:40,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:40,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:40,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:40,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,492 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,493 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,534 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:40,566 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:40,567 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:40,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:40,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:40" (1/1) ... [2023-11-12 00:00:40,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:40,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:40,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:40,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:40,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:00:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:40,655 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-12 00:00:40,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-12 00:00:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:00:40,657 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-12 00:00:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-12 00:00:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-12 00:00:40,658 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-12 00:00:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-12 00:00:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-12 00:00:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-12 00:00:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-12 00:00:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:00:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-12 00:00:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-12 00:00:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:00:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-12 00:00:40,662 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-12 00:00:40,662 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-12 00:00:40,663 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-12 00:00:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-12 00:00:40,663 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-12 00:00:40,663 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-12 00:00:40,663 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-12 00:00:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:40,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:40,664 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-12 00:00:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-12 00:00:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-12 00:00:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-12 00:00:40,665 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:40,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:40,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:00:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:00:40,667 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-12 00:00:40,668 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-12 00:00:40,668 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-12 00:00:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-12 00:00:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:00:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-12 00:00:40,669 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-12 00:00:40,669 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-12 00:00:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-12 00:00:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-12 00:00:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-12 00:00:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-12 00:00:40,670 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-12 00:00:40,670 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-12 00:00:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-12 00:00:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-12 00:00:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-12 00:00:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-12 00:00:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-12 00:00:40,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:00:40,673 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:40,926 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:40,928 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:41,750 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:42,212 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:42,213 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:00:42,214 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2023-11-12 00:00:42,215 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:305) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:00:42,219 INFO L158 Benchmark]: Toolchain (without parser) took 2999.84ms. Allocated memory is still 197.1MB. Free memory was 155.4MB in the beginning and 153.2MB in the end (delta: 2.2MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,219 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:42,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1162.99ms. Allocated memory is still 197.1MB. Free memory was 155.4MB in the beginning and 108.0MB in the end (delta: 47.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.59ms. Allocated memory is still 197.1MB. Free memory was 108.0MB in the beginning and 104.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,223 INFO L158 Benchmark]: Boogie Preprocessor took 91.41ms. Allocated memory is still 197.1MB. Free memory was 104.4MB in the beginning and 100.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,224 INFO L158 Benchmark]: RCFGBuilder took 1651.04ms. Allocated memory is still 197.1MB. Free memory was 100.2MB in the beginning and 153.2MB in the end (delta: -52.9MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-12 00:00:42,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 151.0MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1162.99ms. Allocated memory is still 197.1MB. Free memory was 155.4MB in the beginning and 108.0MB in the end (delta: 47.4MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.59ms. Allocated memory is still 197.1MB. Free memory was 108.0MB in the beginning and 104.4MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.41ms. Allocated memory is still 197.1MB. Free memory was 104.4MB in the beginning and 100.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1651.04ms. Allocated memory is still 197.1MB. Free memory was 100.2MB in the beginning and 153.2MB in the end (delta: -52.9MB). Peak memory consumption was 36.4MB. 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:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:42,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:00:44,978 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:00:45,100 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-12 00:00:45,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:00:45,133 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:00:45,133 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:00:45,134 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:00:45,135 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:00:45,135 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:00:45,136 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:00:45,136 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 00:00:45,137 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 00:00:45,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:00:45,138 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:00:45,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:00:45,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:00:45,139 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 00:00:45,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 00:00:45,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 00:00:45,141 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 00:00:45,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:00:45,142 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:00:45,142 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:00:45,143 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:00:45,143 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-12 00:00:45,144 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:45,144 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:45,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:00:45,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:45,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:00:45,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:00:45,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:00:45,146 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 00:00:45,147 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 00:00:45,147 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:00:45,147 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-12 00:00:45,147 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:00:45,148 INFO L153 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_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-12 00:00:45,578 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:00:45,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:00:45,615 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:00:45,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:00:45,618 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:00:45,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-12 00:00:48,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:00:49,276 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:00:49,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-12 00:00:49,319 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/data/c280a4b1c/e4590eb8eb944b2b9cfb827c6a55ab39/FLAGae35da744 [2023-11-12 00:00:49,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/data/c280a4b1c/e4590eb8eb944b2b9cfb827c6a55ab39 [2023-11-12 00:00:49,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:00:49,344 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:00:49,345 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:49,345 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:00:49,350 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:00:49,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cad592e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:49, skipping insertion in model container [2023-11-12 00:00:49,353 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:00:49" (1/1) ... [2023-11-12 00:00:49,439 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:00:50,438 WARN L240 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_27b0b1e5-6cb0-4495-8748-068c262eae98/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-12 00:00:50,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:50,484 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:00:50,541 WARN L240 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_27b0b1e5-6cb0-4495-8748-068c262eae98/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i[63614,63627] [2023-11-12 00:00:50,550 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:00:50,669 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:50,671 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:00:50,677 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:00:50,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50 WrapperNode [2023-11-12 00:00:50,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:00:50,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:50,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:00:50,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:00:50,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,723 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,762 INFO L138 Inliner]: procedures = 401, calls = 218, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 275 [2023-11-12 00:00:50,763 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:00:50,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:00:50,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:00:50,764 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:00:50,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,783 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:00:50,848 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:00:50,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:00:50,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:00:50,863 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:00:50" (1/1) ... [2023-11-12 00:00:50,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:00:50,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:00:50,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:00:50,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:00:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-12 00:00:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:00:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 00:00:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-12 00:00:50,928 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-12 00:00:50,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-12 00:00:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-12 00:00:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-12 00:00:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-12 00:00:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-12 00:00:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-12 00:00:50,929 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-12 00:00:50,929 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-12 00:00:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-12 00:00:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-12 00:00:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-12 00:00:50,930 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-12 00:00:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:00:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:00:50,930 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-12 00:00:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-12 00:00:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-12 00:00:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-12 00:00:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-12 00:00:50,931 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-12 00:00:50,931 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-12 00:00:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-12 00:00:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:00:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:00:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-12 00:00:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-12 00:00:50,932 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-12 00:00:50,932 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-12 00:00:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-12 00:00:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 00:00:50,933 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 00:00:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:00:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:00:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-12 00:00:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:00:50,933 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-12 00:00:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-12 00:00:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-12 00:00:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-12 00:00:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-12 00:00:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-12 00:00:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-12 00:00:50,934 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-12 00:00:50,934 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-12 00:00:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-12 00:00:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-12 00:00:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-12 00:00:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-12 00:00:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-12 00:00:50,935 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-12 00:00:50,935 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-12 00:00:50,936 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-12 00:00:50,936 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-12 00:00:50,937 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 00:00:51,207 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:00:51,210 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:00:52,406 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:00:52,922 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:00:52,922 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:00:52,923 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2023-11-12 00:00:52,924 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:305) 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:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-12 00:00:52,931 INFO L158 Benchmark]: Toolchain (without parser) took 3585.91ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 60.8MB in the beginning and 41.1MB in the end (delta: 19.7MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-11-12 00:00:52,932 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:00:52,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1333.14ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 56.6MB in the end (delta: 3.9MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2023-11-12 00:00:52,934 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.92ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 52.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:52,934 INFO L158 Benchmark]: Boogie Preprocessor took 84.11ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 48.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:00:52,935 INFO L158 Benchmark]: RCFGBuilder took 2080.39ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.9MB in the beginning and 41.1MB in the end (delta: 6.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2023-11-12 00:00:52,945 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 65.0MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1333.14ms. Allocated memory is still 88.1MB. Free memory was 60.6MB in the beginning and 56.6MB in the end (delta: 3.9MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.92ms. Allocated memory is still 88.1MB. Free memory was 56.6MB in the beginning and 52.9MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.11ms. Allocated memory is still 88.1MB. Free memory was 52.9MB in the beginning and 48.3MB in the end (delta: 4.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2080.39ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 47.9MB in the beginning and 41.1MB in the end (delta: 6.8MB). Peak memory consumption was 27.8MB. 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:305) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-12 00:00:52,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27b0b1e5-6cb0-4495-8748-068c262eae98/bin/ukojak-verify-0OAaufAVZV/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?