./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-527bcce [2023-11-21 18:49:28,290 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:28,417 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:49:28,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:28,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:28,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:28,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:28,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:28,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:28,497 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:28,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:28,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:28,499 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:28,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:28,501 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:28,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:28,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:28,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:28,503 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:28,504 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:28,504 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:28,505 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:28,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:28,507 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:28,508 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:28,509 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:28,510 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:28,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:28,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:28,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:28,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:28,513 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:28,513 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:28,514 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:28,514 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:28,531 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_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-21 18:49:28,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:28,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:28,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:28,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:28,919 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:28,921 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:49:32,158 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:32,671 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:32,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:49:32,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/data/8dc5bb6e4/58d1ad6a06ac4af28603487882b698e2/FLAGca18736b9 [2023-11-21 18:49:32,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/data/8dc5bb6e4/58d1ad6a06ac4af28603487882b698e2 [2023-11-21 18:49:32,740 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:32,742 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:32,748 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:32,748 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:32,754 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:32,755 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:32" (1/1) ... [2023-11-21 18:49:32,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79943bba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:32, skipping insertion in model container [2023-11-21 18:49:32,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:32" (1/1) ... [2023-11-21 18:49:32,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:33,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:33,892 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:34,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:34,186 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:34,187 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:34,197 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:34,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34 WrapperNode [2023-11-21 18:49:34,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:34,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:34,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:34,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:34,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,331 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 318 [2023-11-21 18:49:34,334 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:34,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:34,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:34,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:34,348 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,374 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,380 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,498 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,511 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:34,518 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:34,519 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:34,519 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:34,520 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:34" (1/1) ... [2023-11-21 18:49:34,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:34,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:34,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:34,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:49:34,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:34,637 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-21 18:49:34,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-21 18:49:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:49:34,639 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-21 18:49:34,640 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-21 18:49:34,640 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-21 18:49:34,641 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-21 18:49:34,641 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-21 18:49:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-21 18:49:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-21 18:49:34,642 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-21 18:49:34,642 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:49:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-21 18:49:34,643 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-21 18:49:34,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:34,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:49:34,646 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-21 18:49:34,647 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-21 18:49:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-21 18:49:34,647 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-21 18:49:34,647 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-21 18:49:34,648 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-21 18:49:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-21 18:49:34,648 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-21 18:49:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:34,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-21 18:49:34,650 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-21 18:49:34,650 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-21 18:49:34,651 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-21 18:49:34,651 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:49:34,651 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:49:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:49:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:49:34,654 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-21 18:49:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-21 18:49:34,655 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-21 18:49:34,655 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-21 18:49:34,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:49:34,657 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-21 18:49:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-21 18:49:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-21 18:49:34,658 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-21 18:49:34,658 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-21 18:49:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-21 18:49:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-21 18:49:34,659 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-21 18:49:34,659 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-21 18:49:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-21 18:49:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-21 18:49:34,660 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-21 18:49:34,660 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-21 18:49:34,661 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-21 18:49:34,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:34,663 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:49:35,021 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:35,027 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:36,033 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:36,619 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:49:36,713 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume -2147483648 <= #t~ret47#1 && #t~ret47#1 <= 2147483647;assume 0 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0;call TryCollision_#t~mem66#1 := read~int(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4);TryCollision_~mypid~2#1 := (if TryCollision_#t~mem66#1 % 4294967296 % 4294967296 <= 2147483647 then TryCollision_#t~mem66#1 % 4294967296 % 4294967296 else TryCollision_#t~mem66#1 % 4294967296 % 4294967296 - 4294967296);havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~int(TryCollision_~p#1.base, 4 + TryCollision_~p#1.offset, 4);assume 1 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:49:36,719 INFO L158 Benchmark]: Toolchain (without parser) took 3976.07ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 123.4MB in the beginning and 144.9MB in the end (delta: -21.5MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2023-11-21 18:49:36,721 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:36,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1451.62ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 74.5MB in the end (delta: 48.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:36,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 134.23ms. Allocated memory is still 159.4MB. Free memory was 74.5MB in the beginning and 70.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:36,724 INFO L158 Benchmark]: Boogie Preprocessor took 182.32ms. Allocated memory is still 159.4MB. Free memory was 70.3MB in the beginning and 126.6MB in the end (delta: -56.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-11-21 18:49:36,726 INFO L158 Benchmark]: RCFGBuilder took 2198.46ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 126.6MB in the beginning and 144.9MB in the end (delta: -18.3MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. [2023-11-21 18:49:36,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 123.7MB. Free memory is still 96.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1451.62ms. Allocated memory is still 159.4MB. Free memory was 123.0MB in the beginning and 74.5MB in the end (delta: 48.6MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 134.23ms. Allocated memory is still 159.4MB. Free memory was 74.5MB in the beginning and 70.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.32ms. Allocated memory is still 159.4MB. Free memory was 70.3MB in the beginning and 126.6MB in the end (delta: -56.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2198.46ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 126.6MB in the beginning and 144.9MB in the end (delta: -18.3MB). Peak memory consumption was 74.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume -2147483648 <= #t~ret47#1 && #t~ret47#1 <= 2147483647;assume 0 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0;call TryCollision_#t~mem66#1 := read~int(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4);TryCollision_~mypid~2#1 := (if TryCollision_#t~mem66#1 % 4294967296 % 4294967296 <= 2147483647 then TryCollision_#t~mem66#1 % 4294967296 % 4294967296 else TryCollision_#t~mem66#1 % 4294967296 % 4294967296 - 4294967296);havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~int(TryCollision_~p#1.base, 4 + TryCollision_~p#1.offset, 4);assume 1 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume -2147483648 <= #t~ret47#1 && #t~ret47#1 <= 2147483647;assume 0 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0;call TryCollision_#t~mem66#1 := read~int(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4);TryCollision_~mypid~2#1 := (if TryCollision_#t~mem66#1 % 4294967296 % 4294967296 <= 2147483647 then TryCollision_#t~mem66#1 % 4294967296 % 4294967296 else TryCollision_#t~mem66#1 % 4294967296 % 4294967296 - 4294967296);havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~int(TryCollision_~p#1.base, 4 + TryCollision_~p#1.offset, 4);assume 1 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:49:36,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/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_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --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-527bcce [2023-11-21 18:49:39,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:39,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:49:39,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:39,990 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:39,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:39,992 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:39,993 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:39,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:39,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:39,994 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:49:39,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:49:39,996 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:39,996 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:39,997 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:39,997 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:39,998 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:49:39,998 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:49:39,999 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:39,999 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:49:40,000 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:40,000 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:49:40,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:40,001 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:40,002 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:40,002 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:40,003 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:40,003 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:40,004 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:49:40,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:40,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:40,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:40,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:40,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:40,006 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:49:40,006 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:49:40,006 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:40,007 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:49:40,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:49:40,007 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_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-21 18:49:40,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:40,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:40,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:40,515 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:40,516 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:40,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:49:44,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:44,573 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:44,577 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-21 18:49:44,623 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/data/a02170bef/5e114f8dd21148f492880bf3c81a5788/FLAGa86eb4cad [2023-11-21 18:49:44,648 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/data/a02170bef/5e114f8dd21148f492880bf3c81a5788 [2023-11-21 18:49:44,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:44,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:44,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:44,662 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:44,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:44,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:44" (1/1) ... [2023-11-21 18:49:44,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7590c430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:44, skipping insertion in model container [2023-11-21 18:49:44,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:44" (1/1) ... [2023-11-21 18:49:44,780 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:45,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:45,932 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:46,014 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:46,124 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:46,125 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:46,132 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:46,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46 WrapperNode [2023-11-21 18:49:46,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:46,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:46,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:46,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:46,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,229 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 310 [2023-11-21 18:49:46,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:46,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:46,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:46,231 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:46,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,241 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,282 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,286 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,294 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,298 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:46,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:46,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:46,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:46,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:46,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:46,341 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:46,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:46,391 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-21 18:49:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:49:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-21 18:49:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-21 18:49:46,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-21 18:49:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-21 18:49:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-21 18:49:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-21 18:49:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-21 18:49:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-21 18:49:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-21 18:49:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-21 18:49:46,395 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-21 18:49:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-21 18:49:46,397 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-21 18:49:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-21 18:49:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-21 18:49:46,398 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-21 18:49:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-21 18:49:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-21 18:49:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-21 18:49:46,399 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-21 18:49:46,400 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-21 18:49:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-21 18:49:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-21 18:49:46,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:46,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:49:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-21 18:49:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-21 18:49:46,403 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-21 18:49:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-21 18:49:46,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:49:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:49:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-21 18:49:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:49:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-21 18:49:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-21 18:49:46,406 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-21 18:49:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-21 18:49:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-21 18:49:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-21 18:49:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-21 18:49:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-21 18:49:46,407 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-21 18:49:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-21 18:49:46,408 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-21 18:49:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-21 18:49:46,408 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-21 18:49:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-21 18:49:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-21 18:49:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-21 18:49:46,409 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-21 18:49:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-21 18:49:46,410 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-21 18:49:46,412 WARN L212 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-21 18:49:46,719 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:46,721 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:48,227 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:48,773 WARN L1820 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-21 18:49:48,878 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder has thrown an exception: java.lang.UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0bv32 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0bv32;call TryCollision_#t~mem66#1 := read~intINTTYPE4(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4bv32);TryCollision_~mypid~2#1 := TryCollision_#t~mem66#1;havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~intINTTYPE4(TryCollision_~p#1.base, ~bvadd~32(4bv32, TryCollision_~p#1.offset), 4bv32);assume 1bv32 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). Is there illegal control flow (e.g. loops) within an atomic block? at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:295) 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) [2023-11-21 18:49:48,886 INFO L158 Benchmark]: Toolchain (without parser) took 4226.71ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 74.2MB in the beginning and 83.9MB in the end (delta: -9.7MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2023-11-21 18:49:48,888 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:48,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1471.93ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 73.0MB in the end (delta: 1.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. [2023-11-21 18:49:48,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.71ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 68.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:48,891 INFO L158 Benchmark]: Boogie Preprocessor took 77.75ms. Allocated memory is still 100.7MB. Free memory was 68.8MB in the beginning and 64.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:48,892 INFO L158 Benchmark]: RCFGBuilder took 2575.11ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.8MB in the beginning and 83.9MB in the end (delta: -20.0MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-11-21 18:49:48,903 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 47.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1471.93ms. Allocated memory is still 100.7MB. Free memory was 74.0MB in the beginning and 73.0MB in the end (delta: 1.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.71ms. Allocated memory is still 100.7MB. Free memory was 73.0MB in the beginning and 68.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.75ms. Allocated memory is still 100.7MB. Free memory was 68.8MB in the beginning and 64.3MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2575.11ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 63.8MB in the beginning and 83.9MB in the end (delta: -20.0MB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: - ExceptionOrErrorResult: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0bv32 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0bv32;call TryCollision_#t~mem66#1 := read~intINTTYPE4(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4bv32);TryCollision_~mypid~2#1 := TryCollision_#t~mem66#1;havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~intINTTYPE4(TryCollision_~p#1.base, ~bvadd~32(4bv32, TryCollision_~p#1.offset), 4bv32);assume 1bv32 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). Is there illegal control flow (e.g. loops) within an atomic block? de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: UnsupportedOperationException: Incomplete atomic composition (dangling start of atomic block: assume 0bv32 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0bv32;call TryCollision_#t~mem66#1 := read~intINTTYPE4(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4bv32);TryCollision_~mypid~2#1 := TryCollision_#t~mem66#1;havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~intINTTYPE4(TryCollision_~p#1.base, ~bvadd~32(4bv32, TryCollision_~p#1.offset), 4bv32);assume 1bv32 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). Is there illegal control flow (e.g. loops) within an atomic block?: de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:355) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:49:48,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d3383116-8e6d-4112-b95f-3af848222f7f/bin/ukojak-verify-i0I2FZA1j2/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: Incomplete atomic composition (dangling start of atomic block: assume 0bv32 != #t~ret47#1;havoc #t~ret47#1;assume { :begin_inline_TryCollision } true;TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset, TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset, TryCollision_#in~him#1 := ~p#1.base, ~p#1.offset, ~q~0#1.base, ~q~0#1.offset, ~him~0#1;havoc TryCollision_#res#1;havoc TryCollision_#t~mem66#1, TryCollision_#t~mem67#1, TryCollision_#t~ret68#1, TryCollision_#t~mem69#1, TryCollision_#t~ret70#1, TryCollision_#t~mem71#1.base, TryCollision_#t~mem71#1.offset, TryCollision_#t~mem72#1, TryCollision_~p#1.base, TryCollision_~p#1.offset, TryCollision_~q#1.base, TryCollision_~q#1.offset, TryCollision_~him#1, TryCollision_~ret~3#1, TryCollision_~mypid~2#1;TryCollision_~p#1.base, TryCollision_~p#1.offset := TryCollision_#in~p#1.base, TryCollision_#in~p#1.offset;TryCollision_~q#1.base, TryCollision_~q#1.offset := TryCollision_#in~q#1.base, TryCollision_#in~q#1.offset;TryCollision_~him#1 := TryCollision_#in~him#1;TryCollision_~ret~3#1 := 0bv32;call TryCollision_#t~mem66#1 := read~intINTTYPE4(TryCollision_~p#1.base, TryCollision_~p#1.offset, 4bv32);TryCollision_~mypid~2#1 := TryCollision_#t~mem66#1;havoc TryCollision_#t~mem66#1;call TryCollision_#t~mem67#1 := read~intINTTYPE4(TryCollision_~p#1.base, ~bvadd~32(4bv32, TryCollision_~p#1.offset), 4bv32);assume 1bv32 == TryCollision_#t~mem67#1;havoc TryCollision_#t~mem67#1;). Is there illegal control flow (e.g. loops) within an atomic block?