./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 0e0057cc 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_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:12:44,496 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:44,649 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:12:44,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:44,658 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:44,708 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:44,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:44,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:44,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:44,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:44,714 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:44,715 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:44,716 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:44,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:44,722 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:44,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:44,724 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:44,725 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:44,726 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:44,727 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:44,727 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:44,728 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:44,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:44,729 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:44,730 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:44,730 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:44,731 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:44,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:44,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:44,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:44,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:44,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:44,735 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:44,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:44,736 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:44,736 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_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-24 22:12:45,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:45,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:45,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:45,137 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:45,138 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:45,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-24 22:12:48,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:49,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:49,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-24 22:12:49,516 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/data/45a69100d/09e106adba814bf792528c8894128796/FLAGac48b667d [2023-11-24 22:12:49,530 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/data/45a69100d/09e106adba814bf792528c8894128796 [2023-11-24 22:12:49,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:49,535 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:49,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:49,537 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:49,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:49,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:49" (1/1) ... [2023-11-24 22:12:49,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a80bca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:49, skipping insertion in model container [2023-11-24 22:12:49,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:49" (1/1) ... [2023-11-24 22:12:49,608 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:50,623 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:50,667 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:50,769 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:50,910 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:50,910 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:50,920 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:50,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50 WrapperNode [2023-11-24 22:12:50,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:50,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:50,923 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:50,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:50,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:50,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,035 INFO L138 Inliner]: procedures = 397, calls = 219, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 318 [2023-11-24 22:12:51,036 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:51,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:51,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:51,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:51,050 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,059 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,059 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,134 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,142 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:51,144 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:51,144 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:51,144 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:51,145 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2023-11-24 22:12:51,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:51,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:51,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:51,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:12:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-24 22:12:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-24 22:12:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:12:51,239 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-24 22:12:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-24 22:12:51,240 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-24 22:12:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-24 22:12:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-24 22:12:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-24 22:12:51,241 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-24 22:12:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-24 22:12:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:12:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-24 22:12:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-24 22:12:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:12:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-24 22:12:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-24 22:12:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-24 22:12:51,244 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-24 22:12:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-24 22:12:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-24 22:12:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-24 22:12:51,245 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-24 22:12:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:51,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-24 22:12:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-24 22:12:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-24 22:12:51,247 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-24 22:12:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:12:51,248 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:12:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:12:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:12:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-24 22:12:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-24 22:12:51,249 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-24 22:12:51,249 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-24 22:12:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:12:51,250 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-24 22:12:51,250 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-24 22:12:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-24 22:12:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-24 22:12:51,251 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-24 22:12:51,251 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-24 22:12:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-24 22:12:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-24 22:12:51,252 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-24 22:12:51,252 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-24 22:12:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-24 22:12:51,253 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-24 22:12:51,253 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-24 22:12:51,254 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-24 22:12:51,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:51,256 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:12:51,535 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:51,538 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:52,599 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:53,359 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 22:12:53,420 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:12:53,426 INFO L158 Benchmark]: Toolchain (without parser) took 3889.50ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 121.5MB in the beginning and 87.7MB in the end (delta: 33.8MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2023-11-24 22:12:53,427 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 82.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:53,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1384.79ms. Allocated memory is still 155.2MB. Free memory was 121.5MB in the beginning and 72.6MB in the end (delta: 48.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-24 22:12:53,428 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.99ms. Allocated memory is still 155.2MB. Free memory was 72.6MB in the beginning and 123.2MB in the end (delta: -50.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2023-11-24 22:12:53,429 INFO L158 Benchmark]: Boogie Preprocessor took 105.84ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 122.7MB in the end (delta: 416.6kB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2023-11-24 22:12:53,430 INFO L158 Benchmark]: RCFGBuilder took 2280.04ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 122.7MB in the beginning and 87.7MB in the end (delta: 35.0MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-24 22:12:53,434 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 81.0MB in the end (delta: 82.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1384.79ms. Allocated memory is still 155.2MB. Free memory was 121.5MB in the beginning and 72.6MB in the end (delta: 48.9MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.99ms. Allocated memory is still 155.2MB. Free memory was 72.6MB in the beginning and 123.2MB in the end (delta: -50.6MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.84ms. Allocated memory is still 155.2MB. Free memory was 123.1MB in the beginning and 122.7MB in the end (delta: 416.6kB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2280.04ms. Allocated memory was 155.2MB in the beginning and 195.0MB in the end (delta: 39.8MB). Free memory was 122.7MB in the beginning and 87.7MB in the end (delta: 35.0MB). Peak memory consumption was 73.4MB. 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:12:53,469 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi --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 0.2.4-dev-0e0057c [2023-11-24 22:12:56,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:56,782 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-24 22:12:56,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:56,850 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:56,852 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:56,853 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:56,854 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:56,855 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:56,861 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:56,862 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:56,863 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:56,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:56,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:56,866 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:56,866 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:56,867 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:12:56,868 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:12:56,868 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:56,870 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:12:56,870 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:56,871 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:56,871 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:56,872 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:56,873 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:56,873 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:56,874 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:56,874 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:56,875 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:56,875 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:56,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:56,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:56,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:56,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:56,879 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:12:56,879 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:56,879 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:56,880 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:12:56,880 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:56,881 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_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0a77b23de3110741cf9e339cfb9f72e965f6bc6bc082cff0044fedc6c4916cfb [2023-11-24 22:12:57,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:57,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:57,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:57,455 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:57,457 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:57,458 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-24 22:13:00,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:01,171 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:01,172 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2023-11-24 22:13:01,217 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/data/0d45dfad9/8559a1228f7c4324a40b69aedad776e9/FLAGe358a1e5d [2023-11-24 22:13:01,721 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/data/0d45dfad9/8559a1228f7c4324a40b69aedad776e9 [2023-11-24 22:13:01,724 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:01,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:01,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:01,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:01,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:01,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:01" (1/1) ... [2023-11-24 22:13:01,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e9ca2da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:01, skipping insertion in model container [2023-11-24 22:13:01,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:01" (1/1) ... [2023-11-24 22:13:01,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:02,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:02,927 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:03,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:03,232 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:03,233 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:13:03,241 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:03,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03 WrapperNode [2023-11-24 22:13:03,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:03,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:03,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:03,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:03,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,361 INFO L138 Inliner]: procedures = 401, calls = 219, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 310 [2023-11-24 22:13:03,362 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:03,362 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:03,363 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:03,363 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:03,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:03,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:03,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:03,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:03,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:03,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:03,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:03,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:03,583 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-24 22:13:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:13:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:13:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 22:13:03,584 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2023-11-24 22:13:03,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2023-11-24 22:13:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-24 22:13:03,585 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2023-11-24 22:13:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2023-11-24 22:13:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2023-11-24 22:13:03,586 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2023-11-24 22:13:03,586 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2023-11-24 22:13:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2023-11-24 22:13:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2023-11-24 22:13:03,587 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2023-11-24 22:13:03,587 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2023-11-24 22:13:03,588 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2023-11-24 22:13:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:03,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:13:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2023-11-24 22:13:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2023-11-24 22:13:03,589 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-11-24 22:13:03,589 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-11-24 22:13:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-11-24 22:13:03,590 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-11-24 22:13:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-11-24 22:13:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-11-24 22:13:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:03,591 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:13:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2023-11-24 22:13:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2023-11-24 22:13:03,592 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2023-11-24 22:13:03,592 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2023-11-24 22:13:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 22:13:03,593 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 22:13:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:13:03,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:13:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 22:13:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:13:03,594 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2023-11-24 22:13:03,594 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2023-11-24 22:13:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2023-11-24 22:13:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2023-11-24 22:13:03,595 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-11-24 22:13:03,595 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-11-24 22:13:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-11-24 22:13:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-11-24 22:13:03,596 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-11-24 22:13:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-11-24 22:13:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2023-11-24 22:13:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2023-11-24 22:13:03,597 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-11-24 22:13:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-11-24 22:13:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2023-11-24 22:13:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2023-11-24 22:13:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2023-11-24 22:13:03,599 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2023-11-24 22:13:03,601 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-24 22:13:03,923 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:03,926 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:05,237 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:05,805 WARN L1821 r$LargeBlockEncoding]: Complex 2:2 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2023-11-24 22:13:05,885 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:356) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.ensureAtomicCompositionComplete(CfgBuilder.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.CfgBuilder.createIcfg(CfgBuilder.java:296) 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) [2023-11-24 22:13:05,892 INFO L158 Benchmark]: Toolchain (without parser) took 4165.44ms. Allocated memory was 88.1MB in the beginning and 148.9MB in the end (delta: 60.8MB). Free memory was 60.8MB in the beginning and 109.6MB in the end (delta: -48.8MB). Peak memory consumption was 59.3MB. Max. memory is 16.1GB. [2023-11-24 22:13:05,893 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 88.1MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:05,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1515.33ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 60.5MB in the beginning and 92.3MB in the end (delta: -31.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:05,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.64ms. Allocated memory is still 123.7MB. Free memory was 92.3MB in the beginning and 88.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:13:05,897 INFO L158 Benchmark]: Boogie Preprocessor took 109.52ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 83.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:13:05,898 INFO L158 Benchmark]: RCFGBuilder took 2417.70ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 83.4MB in the beginning and 109.6MB in the end (delta: -26.2MB). Peak memory consumption was 43.8MB. Max. memory is 16.1GB. [2023-11-24 22:13:05,907 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 88.1MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1515.33ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 60.5MB in the beginning and 92.3MB in the end (delta: -31.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.64ms. Allocated memory is still 123.7MB. Free memory was 92.3MB in the beginning and 88.2MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 109.52ms. Allocated memory is still 123.7MB. Free memory was 88.2MB in the beginning and 83.4MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2417.70ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 83.4MB in the beginning and 109.6MB in the end (delta: -26.2MB). Peak memory consumption was 43.8MB. 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 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:356) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:13:05,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af8ddccb-91ea-4dc7-a35f-7187789c12ef/bin/ukojak-verify-afCqCEvfdi/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?