./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/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_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/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_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:41:44,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:41:44,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-11 23:41:44,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:41:44,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:41:44,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:41:44,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:41:44,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:41:44,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:41:44,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:41:44,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:41:44,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:41:44,251 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:41:44,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:41:44,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:41:44,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:41:44,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:41:44,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:41:44,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:41:44,255 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:41:44,255 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:41:44,256 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:41:44,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:41:44,257 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:41:44,257 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:41:44,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:41:44,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:41:44,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:44,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:41:44,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:41:44,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:41:44,260 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:41:44,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:41:44,261 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:41:44,264 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_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-11 23:41:44,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:41:44,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:41:44,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:41:44,608 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:41:44,609 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:41:44,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-11 23:41:47,767 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:41:48,131 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:41:48,132 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-11 23:41:48,159 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/data/5c9469d54/03c2e5cd4d994e1592fa835627c0ec40/FLAG2eb315de3 [2023-11-11 23:41:48,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/data/5c9469d54/03c2e5cd4d994e1592fa835627c0ec40 [2023-11-11 23:41:48,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:41:48,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:41:48,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:48,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:41:48,187 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:41:48,188 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:48" (1/1) ... [2023-11-11 23:41:48,190 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da81e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:48, skipping insertion in model container [2023-11-11 23:41:48,190 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:48" (1/1) ... [2023-11-11 23:41:48,287 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:41:49,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:49,340 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:41:49,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:49,536 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:49,536 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:49,544 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:41:49,545 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49 WrapperNode [2023-11-11 23:41:49,545 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:49,546 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:49,547 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:41:49,547 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:41:49,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,649 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 318 [2023-11-11 23:41:49,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:49,650 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:41:49,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:41:49,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:41:49,662 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,699 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,704 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,715 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:41:49,717 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:41:49,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:41:49,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:41:49,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:49" (1/1) ... [2023-11-11 23:41:49,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:49,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:41:49,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:41:49,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:41:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:41:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:41:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-11 23:41:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-11 23:41:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:41:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-11 23:41:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-11 23:41:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-11 23:41:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-11 23:41:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-11 23:41:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-11 23:41:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-11 23:41:49,830 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-11 23:41:49,830 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:41:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-11 23:41:49,831 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-11 23:41:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:41:49,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:41:49,832 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-11 23:41:49,833 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-11 23:41:49,833 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-11 23:41:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-11 23:41:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-11 23:41:49,834 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-11 23:41:49,834 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-11 23:41:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-11 23:41:49,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:41:49,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:41:49,836 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-11 23:41:49,836 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-11 23:41:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-11 23:41:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-11 23:41:49,837 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:41:49,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:41:49,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:41:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:41:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:41:49,839 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-11 23:41:49,839 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-11 23:41:49,840 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-11 23:41:49,840 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-11 23:41:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:41:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-11 23:41:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-11 23:41:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-11 23:41:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-11 23:41:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-11 23:41:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-11 23:41:49,842 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-11 23:41:49,842 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-11 23:41:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-11 23:41:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-11 23:41:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-11 23:41:49,843 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-11 23:41:49,843 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-11 23:41:49,844 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-11 23:41:49,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:41:49,847 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:41:50,076 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:41:50,079 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:41:50,798 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:41:51,351 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:41:51,351 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:41:51,352 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2023-11-11 23:41:51,353 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:41:51,358 INFO L158 Benchmark]: Toolchain (without parser) took 3177.06ms. Allocated memory is still 182.5MB. Free memory was 134.9MB in the beginning and 99.6MB in the end (delta: 35.2MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2023-11-11 23:41:51,359 INFO L158 Benchmark]: CDTParser took 0.65ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:41:51,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1364.00ms. Allocated memory is still 182.5MB. Free memory was 134.9MB in the beginning and 87.9MB in the end (delta: 47.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-11 23:41:51,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.60ms. Allocated memory is still 182.5MB. Free memory was 87.9MB in the beginning and 149.9MB in the end (delta: -62.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-11 23:41:51,362 INFO L158 Benchmark]: Boogie Preprocessor took 65.30ms. Allocated memory is still 182.5MB. Free memory was 149.9MB in the beginning and 146.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:41:51,363 INFO L158 Benchmark]: RCFGBuilder took 1639.47ms. Allocated memory is still 182.5MB. Free memory was 146.0MB in the beginning and 99.6MB in the end (delta: 46.3MB). Peak memory consumption was 87.2MB. Max. memory is 16.1GB. [2023-11-11 23:41:51,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 90.3MB in the end (delta: 25.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1364.00ms. Allocated memory is still 182.5MB. Free memory was 134.9MB in the beginning and 87.9MB in the end (delta: 47.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.60ms. Allocated memory is still 182.5MB. Free memory was 87.9MB in the beginning and 149.9MB in the end (delta: -62.0MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.30ms. Allocated memory is still 182.5MB. Free memory was 149.9MB in the beginning and 146.0MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1639.47ms. Allocated memory is still 182.5MB. Free memory was 146.0MB in the beginning and 99.6MB in the end (delta: 46.3MB). Peak memory consumption was 87.2MB. 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. [2023-11-11 23:41:51,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/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_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/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_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV --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-cf1a783 [2023-11-11 23:41:54,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:41:54,221 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-11 23:41:54,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:41:54,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:41:54,272 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:41:54,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:41:54,273 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:41:54,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:41:54,280 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:41:54,280 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:41:54,281 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:41:54,281 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:41:54,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:41:54,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:41:54,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:41:54,285 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-11 23:41:54,285 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-11 23:41:54,286 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:41:54,286 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-11 23:41:54,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:41:54,287 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:41:54,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:41:54,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:41:54,288 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:41:54,289 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:41:54,289 INFO L153 SettingsManager]: * Theory for external solver=AUFBV [2023-11-11 23:41:54,290 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:41:54,290 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-11 23:41:54,291 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:41:54,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:54,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:41:54,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:41:54,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:41:54,294 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-11 23:41:54,294 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-11 23:41:54,294 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:41:54,295 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-11 23:41:54,295 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-11 23:41:54,296 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_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-11 23:41:54,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:41:54,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:41:54,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:41:54,766 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:41:54,766 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:41:54,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-11 23:41:58,002 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:41:58,406 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:41:58,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-11 23:41:58,432 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/data/73e65b638/dd59b21a607b405dad71fbb537465dfc/FLAGf51b36717 [2023-11-11 23:41:58,454 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/data/73e65b638/dd59b21a607b405dad71fbb537465dfc [2023-11-11 23:41:58,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:41:58,463 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:41:58,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:58,469 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:41:58,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:41:58,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:58" (1/1) ... [2023-11-11 23:41:58,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1514bc1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:58, skipping insertion in model container [2023-11-11 23:41:58,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:41:58" (1/1) ... [2023-11-11 23:41:58,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:41:59,455 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:59,474 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:41:59,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:41:59,770 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:59,770 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:41:59,776 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:41:59,777 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59 WrapperNode [2023-11-11 23:41:59,777 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:41:59,778 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:59,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:41:59,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:41:59,786 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,823 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,869 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 310 [2023-11-11 23:41:59,870 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:41:59,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:41:59,870 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:41:59,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:41:59,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,944 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,955 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:41:59,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:41:59,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:41:59,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:41:59,966 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:41:59" (1/1) ... [2023-11-11 23:41:59,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:41:59,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:42:00,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:42:00,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:42:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-11 23:42:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:42:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-11 23:42:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-11 23:42:00,096 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-11 23:42:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-11 23:42:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-11 23:42:00,097 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-11 23:42:00,097 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-11 23:42:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-11 23:42:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-11 23:42:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-11 23:42:00,098 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-11 23:42:00,098 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-11 23:42:00,100 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-11 23:42:00,100 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-11 23:42:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-11 23:42:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:42:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-11 23:42:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-11 23:42:00,101 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-11 23:42:00,101 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-11 23:42:00,102 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-11 23:42:00,102 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-11 23:42:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-11 23:42:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-11 23:42:00,103 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-11 23:42:00,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:42:00,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:42:00,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-11 23:42:00,105 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-11 23:42:00,105 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-11 23:42:00,106 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-11 23:42:00,106 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-11 23:42:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-11 23:42:00,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-11 23:42:00,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:42:00,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-11 23:42:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-11 23:42:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-11 23:42:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-11 23:42:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-11 23:42:00,109 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-11 23:42:00,109 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-11 23:42:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-11 23:42:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-11 23:42:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-11 23:42:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-11 23:42:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-11 23:42:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-11 23:42:00,110 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-11 23:42:00,110 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-11 23:42:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-11 23:42:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-11 23:42:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-11 23:42:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-11 23:42:00,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-11 23:42:00,111 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-11 23:42:00,114 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-11 23:42:00,410 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:42:00,426 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:42:01,701 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:42:02,281 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:42:02,282 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:42:02,283 ERROR L336 CfgBuilder]: Unexpected successor node of atomic block begin: L1493 is neither atomic block end nor a sink node. [2023-11-11 23:42:02,283 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-11 23:42:02,291 INFO L158 Benchmark]: Toolchain (without parser) took 3826.64ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 75.2MB in the beginning and 45.0MB in the end (delta: 30.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2023-11-11 23:42:02,292 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:42:02,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1308.35ms. Allocated memory is still 102.8MB. Free memory was 74.9MB in the beginning and 51.8MB in the end (delta: 23.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. [2023-11-11 23:42:02,293 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.08ms. Allocated memory is still 102.8MB. Free memory was 51.5MB in the beginning and 47.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:42:02,294 INFO L158 Benchmark]: Boogie Preprocessor took 94.10ms. Allocated memory is still 102.8MB. Free memory was 47.6MB in the beginning and 72.4MB in the end (delta: -24.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2023-11-11 23:42:02,295 INFO L158 Benchmark]: RCFGBuilder took 2323.65ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 72.4MB in the beginning and 45.0MB in the end (delta: 27.5MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2023-11-11 23:42:02,304 INFO L338 ainManager$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 71.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1308.35ms. Allocated memory is still 102.8MB. Free memory was 74.9MB in the beginning and 51.8MB in the end (delta: 23.1MB). Peak memory consumption was 28.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.08ms. Allocated memory is still 102.8MB. Free memory was 51.5MB in the beginning and 47.6MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.10ms. Allocated memory is still 102.8MB. Free memory was 47.6MB in the beginning and 72.4MB in the end (delta: -24.9MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. * RCFGBuilder took 2323.65ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 72.4MB in the beginning and 45.0MB in the end (delta: 27.5MB). Peak memory consumption was 50.1MB. 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. [2023-11-11 23:42:02,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8480417b-bd4b-40a9-be7b-f82f3d9a4bd7/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?