./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 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm --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 0.3.0-dev-826ab2b [2024-11-13 21:19:19,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:19:19,250 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 21:19:19,260 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:19:19,262 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:19:19,305 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:19:19,307 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:19:19,307 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:19:19,308 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:19:19,308 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:19:19,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:19:19,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:19:19,310 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 21:19:19,311 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:19:19,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:19:19,312 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:19:19,312 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:19:19,312 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:19:19,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:19:19,312 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:19:19,312 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:19:19,312 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:19:19,312 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:19:19,314 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:19:19,314 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:19:19,314 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm 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 [2024-11-13 21:19:19,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:19:19,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:19:19,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:19:19,733 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:19:19,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:19:19,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i Unable to find full path for "g++" [2024-11-13 21:19:22,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:19:22,525 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:19:22,526 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/sv-benchmarks/c/pthread-complex/elimination_backoff_stack.i [2024-11-13 21:19:22,550 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/data/b24659816/32097a2a5c9b48309fc40d7cd660f003/FLAGfa0ace877 [2024-11-13 21:19:22,572 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/data/b24659816/32097a2a5c9b48309fc40d7cd660f003 [2024-11-13 21:19:22,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:19:22,576 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:19:22,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:19:22,578 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:19:22,583 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:19:22,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:19:22" (1/1) ... [2024-11-13 21:19:22,585 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e30fb0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:22, skipping insertion in model container [2024-11-13 21:19:22,585 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:19:22" (1/1) ... [2024-11-13 21:19:22,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:19:23,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:19:23,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:19:23,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:19:24,051 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:19:24,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24 WrapperNode [2024-11-13 21:19:24,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:19:24,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:19:24,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:19:24,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:19:24,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,137 INFO L138 Inliner]: procedures = 396, calls = 207, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 303 [2024-11-13 21:19:24,138 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:19:24,138 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:19:24,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:19:24,139 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:19:24,148 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,168 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:19:24,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:19:24,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:19:24,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:19:24,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:19:24" (1/1) ... [2024-11-13 21:19:24,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:19:24,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:19:24,317 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:19:24,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e4d1497-b2bb-47c1-b3fc-5b683cbb61c6/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:19:24,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 21:19:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure ti_cas [2024-11-13 21:19:24,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ti_cas [2024-11-13 21:19:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 21:19:24,359 INFO L130 BoogieDeclarations]: Found specification of procedure checkInvariant [2024-11-13 21:19:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure checkInvariant [2024-11-13 21:19:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure LesOP [2024-11-13 21:19:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure LesOP [2024-11-13 21:19:24,360 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Push [2024-11-13 21:19:24,360 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Push [2024-11-13 21:19:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure FinishCollision [2024-11-13 21:19:24,361 INFO L138 BoogieDeclarations]: Found implementation of procedure FinishCollision [2024-11-13 21:19:24,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 21:19:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure DecrIncr_Pop [2024-11-13 21:19:24,362 INFO L138 BoogieDeclarations]: Found implementation of procedure DecrIncr_Pop [2024-11-13 21:19:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:19:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 21:19:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_c_cas [2024-11-13 21:19:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_c_cas [2024-11-13 21:19:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2024-11-13 21:19:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2024-11-13 21:19:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2024-11-13 21:19:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2024-11-13 21:19:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2024-11-13 21:19:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2024-11-13 21:19:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:19:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:19:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure Pop [2024-11-13 21:19:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure Pop [2024-11-13 21:19:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Pop [2024-11-13 21:19:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Pop [2024-11-13 21:19:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 21:19:24,365 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 21:19:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 21:19:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 21:19:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure Incr_Push [2024-11-13 21:19:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure Incr_Push [2024-11-13 21:19:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure Push [2024-11-13 21:19:24,366 INFO L138 BoogieDeclarations]: Found implementation of procedure Push [2024-11-13 21:19:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 21:19:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2024-11-13 21:19:24,367 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2024-11-13 21:19:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2024-11-13 21:19:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2024-11-13 21:19:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2024-11-13 21:19:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2024-11-13 21:19:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_ti_cas [2024-11-13 21:19:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_ti_cas [2024-11-13 21:19:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2024-11-13 21:19:24,368 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2024-11-13 21:19:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure TryPerformStackOp [2024-11-13 21:19:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure TryPerformStackOp [2024-11-13 21:19:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_ThreadInfo [2024-11-13 21:19:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc_ThreadInfo [2024-11-13 21:19:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:19:24,373 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 21:19:24,650 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:19:24,652 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:19:25,783 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 21:19:25,785 INFO L287 CfgBuilder]: Performing block encoding