./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/pthread/queue_longer.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/queue_longer.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:53:07,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:53:07,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 13:53:07,932 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:53:07,932 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:53:07,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:53:07,954 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:53:07,954 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:53:07,955 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:53:07,955 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:53:07,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:53:07,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:53:07,956 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:53:07,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:53:07,956 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:53:07,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:53:07,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:53:07,956 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:53:07,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:53:07,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:53:07,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:53:07,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:53:07,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:53:07,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:53:07,957 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:53:07,957 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:53:07,957 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:53:07,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:53:07,958 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:53:07,958 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:53:07,958 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:53:07,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:53:07,958 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:53:07,958 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:53:07,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:53:07,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:53:07,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:53:07,959 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:53:07,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:53:07,959 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:53:07,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:53:07,959 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:53:07,959 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:53:07,959 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:53:07,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:53:07,960 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2025-02-08 13:53:08,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:53:08,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:53:08,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:53:08,173 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:53:08,173 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:53:08,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_longer.i [2025-02-08 13:53:09,328 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72ce78087/df2a7383c8dd42a7b2fceeb5b2152f9d/FLAGbd4b4124e [2025-02-08 13:53:09,611 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:53:09,612 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i [2025-02-08 13:53:09,624 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72ce78087/df2a7383c8dd42a7b2fceeb5b2152f9d/FLAGbd4b4124e [2025-02-08 13:53:09,637 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72ce78087/df2a7383c8dd42a7b2fceeb5b2152f9d [2025-02-08 13:53:09,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:53:09,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:53:09,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:53:09,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:53:09,650 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:53:09,651 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:53:09" (1/1) ... [2025-02-08 13:53:09,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40c50513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:09, skipping insertion in model container [2025-02-08 13:53:09,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:53:09" (1/1) ... [2025-02-08 13:53:09,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:53:09,968 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:53:10,003 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:53:10,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:53:10,141 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:53:10,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10 WrapperNode [2025-02-08 13:53:10,142 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:53:10,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:53:10,143 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:53:10,143 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:53:10,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,219 INFO L138 Inliner]: procedures = 274, calls = 859, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1058 [2025-02-08 13:53:10,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:53:10,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:53:10,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:53:10,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:53:10,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,240 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,266 INFO L175 MemorySlicer]: Split 844 memory accesses to 4 slices as follows [2, 5, 403, 434]. 51 percent of accesses are in the largest equivalence class. The 810 initializations are split as follows [2, 5, 400, 403]. The 16 writes are split as follows [0, 0, 2, 14]. [2025-02-08 13:53:10,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,267 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,289 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,295 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:53:10,318 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:53:10,318 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:53:10,318 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:53:10,319 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (1/1) ... [2025-02-08 13:53:10,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:53:10,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:53:10,343 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 13:53:10,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 13:53:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-02-08 13:53:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-02-08 13:53:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-02-08 13:53:10,361 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-02-08 13:53:10,361 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:53:10,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 13:53:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 13:53:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 13:53:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 13:53:10,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:53:10,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:53:10,364 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 13:53:10,491 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:53:10,495 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:53:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~ret64#1, main_#t~pre65#1, main_#t~nondet66#1, main_#t~pre67#1, main_#t~nondet68#1, main_~id1~0#1, main_~id2~0#1;assume { :end_inline_main } true; [2025-02-08 13:53:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret69#1 := main_#res#1; [2025-02-08 13:53:11,243 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058: assume -1 == (if 0 == main_#t~ret64#1 then 1 else 0); [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058: assume !(-1 == (if 0 == main_#t~ret64#1 then 1 else 0)); [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-1: havoc main_#t~ret64#1; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-2: havoc main_#t~ret64#1; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-3: assume { :end_inline_empty } true;assume -2147483648 <= main_#t~ret64#1 && main_#t~ret64#1 <= 2147483647; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-4: havoc empty_#in~q#1.base, empty_#in~q#1.offset; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-5: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-6: main_#t~ret64#1 := empty_#res#1; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059: assume { :end_inline_reach_error } true;assume false; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1061: #pthreadsMutex := #pthreadsMutex[~#m~0.base,~#m~0.offset := 0]; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: havoc main_#t~nondet66#1; [2025-02-08 13:53:11,244 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-1: havoc main_#t~pre65#1; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-2: fork main_#t~pre65#1, 0 t1(~#queue~0.base, ~#queue~0.offset); [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-3: main_~id1~0#1 := main_#t~pre65#1; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-5: main_#t~pre65#1 := #pthreadsForks; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063: havoc main_#t~nondet68#1; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-1: havoc main_#t~pre67#1; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-2: fork main_#t~pre67#1, 0, 0 t2(~#queue~0.base, ~#queue~0.offset); [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-3: main_~id2~0#1 := main_#t~pre67#1; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-5: main_#t~pre67#1 := #pthreadsForks; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1064: join main_~id1~0#1, 0; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1065: join main_~id2~0#1, 0, 0; [2025-02-08 13:53:11,245 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066: main_#res#1 := 0; [2025-02-08 13:53:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 13:53:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 13:53:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 13:53:11,246 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume ~i~0#1 < 399; [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume !(~i~0#1 < 399); [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-1: havoc #t~post58#1; [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-2: assume 1 + #t~post58#1 <= 2147483647; [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-2: assume !(1 + #t~post58#1 <= 2147483647); [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-3: ~i~0#1 := 1 + #t~post58#1; [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-4: assume 1 + #t~post58#1 >= -2147483648; [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-4: assume !(1 + #t~post58#1 >= -2147483648); [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-5: #t~post58#1 := ~i~0#1; [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-6: ~i~0#1 := 0; [2025-02-08 13:53:11,324 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1027: ~dequeue_flag~0 := 1; [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L978: enqueue_~x#1 := enqueue_#in~x#1; [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L978-1: enqueue_~q#1.base, enqueue_~q#1.offset := enqueue_#in~q#1.base, enqueue_#in~q#1.offset; [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc #t~ret54#1; [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-1: [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-2: SUMMARY for call #t~ret54#1 := #PthreadsMutexLock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-3: [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029: havoc #t~ret57#1; [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-1: [2025-02-08 13:53:11,325 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-2: SUMMARY for call #t~ret57#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-3: [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021: assume 0 != ~enqueue_flag~0 % 256; [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021: assume !(0 != ~enqueue_flag~0 % 256); [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988: havoc enqueue_#t~post41#1; [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-1: havoc enqueue_#t~mem40#1; [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-2: SUMMARY for call write~int#3(1 + enqueue_#t~post41#1, enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-3: assume 1 + enqueue_#t~post41#1 <= 2147483647; [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-3: assume !(1 + enqueue_#t~post41#1 <= 2147483647); [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-4: assume 1 + enqueue_#t~post41#1 >= -2147483648; [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-4: assume !(1 + enqueue_#t~post41#1 >= -2147483648); [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-5: enqueue_#t~post41#1 := enqueue_#t~mem40#1; [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-6: SUMMARY for call enqueue_#t~mem40#1 := read~int#3(enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980: havoc enqueue_#t~mem36#1; [2025-02-08 13:53:11,326 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-1: SUMMARY for call write~int#3(enqueue_~x#1, enqueue_~q#1.base, enqueue_~q#1.offset + 4 * enqueue_#t~mem36#1, 4); srcloc: null [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-2: SUMMARY for call enqueue_#t~mem36#1 := read~int#3(enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint t1FINAL: assume true; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: assume 0 != #t~ret52#1; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: assume !(0 != #t~ret52#1); [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981: havoc enqueue_#t~post38#1; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-1: havoc #t~ret52#1; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-1: havoc enqueue_#t~mem37#1; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-2: havoc #t~ret52#1; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-2: SUMMARY for call write~int#3(1 + enqueue_#t~post38#1, enqueue_~q#1.base, 1608 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-3: assume { :end_inline_empty } true;assume -2147483648 <= #t~ret52#1 && #t~ret52#1 <= 2147483647; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-3: assume 1 + enqueue_#t~post38#1 <= 2147483647; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-3: assume !(1 + enqueue_#t~post38#1 <= 2147483647); [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-4: havoc empty_#in~q#1.base, empty_#in~q#1.offset; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-4: assume 1 + enqueue_#t~post38#1 >= -2147483648; [2025-02-08 13:53:11,327 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-4: assume !(1 + enqueue_#t~post38#1 >= -2147483648); [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-5: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-5: enqueue_#t~post38#1 := enqueue_#t~mem37#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-6: #t~ret52#1 := empty_#res#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-6: SUMMARY for call enqueue_#t~mem37#1 := read~int#3(enqueue_~q#1.base, 1608 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: #res#1.base, #res#1.offset := 0, 0; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023: havoc #t~nondet55#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-1: ~value~0#1 := #t~nondet55#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-1: enqueue_#res#1 := 0; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-2: assume -2147483648 <= #t~nondet55#1 && #t~nondet55#1 <= 2147483647; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-3: havoc #t~nondet55#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: assume 400 == enqueue_#t~mem39#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: assume !(400 == enqueue_#t~mem39#1); [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-1: havoc enqueue_#t~mem39#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-2: havoc enqueue_#t~mem39#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-3: SUMMARY for call enqueue_#t~mem39#1 := read~int#3(enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: assume { :end_inline_reach_error } true;assume false; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024: havoc #t~ret56#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-1: assume { :end_inline_enqueue } true;assume -2147483648 <= #t~ret56#1 && #t~ret56#1 <= 2147483647; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-2: havoc enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-3: havoc enqueue_#t~mem36#1, enqueue_#t~mem37#1, enqueue_#t~post38#1, enqueue_#t~mem39#1, enqueue_#t~mem40#1, enqueue_#t~post41#1, enqueue_~q#1.base, enqueue_~q#1.offset, enqueue_~x#1; [2025-02-08 13:53:11,328 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-4: #t~ret56#1 := enqueue_#res#1; [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-5: havoc enqueue_#t~mem36#1, enqueue_#t~mem37#1, enqueue_#t~post38#1, enqueue_#t~mem39#1, enqueue_#t~mem40#1, enqueue_#t~post41#1, enqueue_~q#1.base, enqueue_~q#1.offset, enqueue_~x#1; [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-6: havoc enqueue_#res#1; [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-7: assume { :begin_inline_enqueue } true;enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1 := ~#queue~0.base, ~#queue~0.offset, ~value~0#1; [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025: ~enqueue_flag~0 := 0; [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-1: SUMMARY for call write~int#2(~value~0#1, ~#stored_elements~0.base, ~#stored_elements~0.offset + 4 * (1 + ~i~0#1), 4); srcloc: null [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-2: assume 1 + ~i~0#1 <= 2147483647; [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-2: assume !(1 + ~i~0#1 <= 2147483647); [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-3: assume 1 + ~i~0#1 >= -2147483648; [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-3: assume !(1 + ~i~0#1 >= -2147483648); [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: havoc #t~ret53#1; [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L984: SUMMARY for call write~int#3(1, enqueue_~q#1.base, 1604 + enqueue_~q#1.offset, 4); srcloc: null [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-1: [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-2: SUMMARY for call #t~ret53#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 13:53:11,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-3: [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043: assume { :end_inline_reach_error } true;assume false; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1045: ~dequeue_flag~0 := 0; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1046: ~enqueue_flag~0 := 1; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: havoc #t~mem61#1; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-1: havoc #t~mem61#1; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-2: assume (if 0 == #t~ret60#1 then 1 else 0) == #t~mem61#1; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-2: assume !((if 0 == #t~ret60#1 then 1 else 0) == #t~mem61#1); [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-3: havoc #t~ret60#1; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-4: havoc #t~ret60#1; [2025-02-08 13:53:11,397 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-5: SUMMARY for call #t~mem61#1 := read~int#2(~#stored_elements~0.base, ~#stored_elements~0.offset + 4 * ~i~1#1, 4); srcloc: null [2025-02-08 13:53:11,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-6: assume { :end_inline_dequeue } true;assume -2147483648 <= #t~ret60#1 && #t~ret60#1 <= 2147483647; [2025-02-08 13:53:11,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-7: havoc dequeue_#in~q#1.base, dequeue_#in~q#1.offset; [2025-02-08 13:53:11,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-8: havoc dequeue_#t~mem42#1, dequeue_#t~mem43#1, dequeue_#t~mem44#1, dequeue_#t~post45#1, dequeue_#t~mem46#1, dequeue_#t~mem47#1, dequeue_#t~post48#1, dequeue_~q#1.base, dequeue_~q#1.offset, dequeue_~x~0#1; [2025-02-08 13:53:11,398 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-9: #t~ret60#1 := dequeue_#res#1; [2025-02-08 13:53:11,398 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 13:53:11,398 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:53:16,392 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:53:16,393 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 13:53:16,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:53:16 BoogieIcfgContainer [2025-02-08 13:53:16,393 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:53:16,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:53:16,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:53:16,398 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:53:16,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:53:09" (1/3) ... [2025-02-08 13:53:16,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597f26a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:53:16, skipping insertion in model container [2025-02-08 13:53:16,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:10" (2/3) ... [2025-02-08 13:53:16,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597f26a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:53:16, skipping insertion in model container [2025-02-08 13:53:16,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:53:16" (3/3) ... [2025-02-08 13:53:16,399 INFO L128 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2025-02-08 13:53:16,411 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:53:16,412 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue_longer.i that has 3 procedures, 43 locations, 1 initial locations, 2 loop locations, and 18 error locations. [2025-02-08 13:53:16,412 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 13:53:16,435 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:492) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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) [2025-02-08 13:53:16,440 INFO L158 Benchmark]: Toolchain (without parser) took 6798.71ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 112.1MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 144.6MB. Max. memory is 16.1GB. [2025-02-08 13:53:16,441 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:53:16,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 499.26ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 73.4MB in the end (delta: 38.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-08 13:53:16,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.48ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 65.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:53:16,442 INFO L158 Benchmark]: Boogie Preprocessor took 96.49ms. Allocated memory is still 142.6MB. Free memory was 65.4MB in the beginning and 57.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:53:16,442 INFO L158 Benchmark]: IcfgBuilder took 6075.38ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 57.0MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 824.1MB. Max. memory is 16.1GB. [2025-02-08 13:53:16,443 INFO L158 Benchmark]: TraceAbstraction took 44.06ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:53:16,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 499.26ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 73.4MB in the end (delta: 38.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.48ms. Allocated memory is still 142.6MB. Free memory was 73.4MB in the beginning and 65.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.49ms. Allocated memory is still 142.6MB. Free memory was 65.4MB in the beginning and 57.0MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 6075.38ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 57.0MB in the beginning and 1.1GB in the end (delta: -1.1GB). Peak memory consumption was 824.1MB. Max. memory is 16.1GB. * TraceAbstraction took 44.06ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-02-08 13:53:16,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/pthread/queue_longer.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:53:18,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:53:18,492 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2025-02-08 13:53:18,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:53:18,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:53:18,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:53:18,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:53:18,529 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:53:18,529 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:53:18,530 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:53:18,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:53:18,530 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:53:18,530 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:53:18,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:53:18,531 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:53:18,531 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:53:18,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:53:18,531 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 13:53:18,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 13:53:18,532 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:53:18,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:53:18,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:53:18,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:53:18,532 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 13:53:18,532 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 13:53:18,532 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:53:18,532 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 13:53:18,533 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:53:18,533 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 13:53:18,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:53:18,533 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:53:18,533 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:53:18,533 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:53:18,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:53:18,534 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:53:18,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:53:18,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:53:18,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:53:18,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:53:18,534 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:53:18,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:53:18,534 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 13:53:18,534 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 13:53:18,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:53:18,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:53:18,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:53:18,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:53:18,535 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux 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 -> Automizer 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 -> 9f874a9872f93f025fac23ebed37f94a1f3b80bd0133ea4d7e298577c4fec427 [2025-02-08 13:53:18,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:53:18,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:53:18,787 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:53:18,787 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:53:18,788 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:53:18,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/queue_longer.i [2025-02-08 13:53:19,958 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3c541fde0/7bf13d82bd744988b12659a9753b1c86/FLAGcb35e4d2e [2025-02-08 13:53:20,227 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:53:20,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/pthread/queue_longer.i [2025-02-08 13:53:20,243 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3c541fde0/7bf13d82bd744988b12659a9753b1c86/FLAGcb35e4d2e [2025-02-08 13:53:20,255 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3c541fde0/7bf13d82bd744988b12659a9753b1c86 [2025-02-08 13:53:20,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:53:20,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:53:20,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:53:20,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:53:20,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:53:20,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1447f71b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20, skipping insertion in model container [2025-02-08 13:53:20,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:53:20,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:53:20,574 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:53:20,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:53:20,754 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:53:20,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20 WrapperNode [2025-02-08 13:53:20,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:53:20,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:53:20,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:53:20,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:53:20,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,796 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,862 INFO L138 Inliner]: procedures = 278, calls = 859, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 1052 [2025-02-08 13:53:20,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:53:20,862 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:53:20,863 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:53:20,863 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:53:20,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,909 INFO L175 MemorySlicer]: Split 844 memory accesses to 4 slices as follows [2, 5, 434, 403]. 51 percent of accesses are in the largest equivalence class. The 810 initializations are split as follows [2, 5, 403, 400]. The 16 writes are split as follows [0, 0, 14, 2]. [2025-02-08 13:53:20,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,948 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,959 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,967 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:53:20,967 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:53:20,967 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:53:20,967 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:53:20,972 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (1/1) ... [2025-02-08 13:53:20,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:53:21,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:53:21,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 13:53:21,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 13:53:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-08 13:53:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-08 13:53:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-08 13:53:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-08 13:53:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-02-08 13:53:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-02-08 13:53:21,044 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2025-02-08 13:53:21,044 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2025-02-08 13:53:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2025-02-08 13:53:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 13:53:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 13:53:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:53:21,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:53:21,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:53:21,046 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-08 13:53:21,176 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:53:21,178 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:53:22,188 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~ret64#1, main_#t~pre65#1, main_#t~nondet66#1, main_#t~pre67#1, main_#t~nondet68#1, main_~id1~0#1, main_~id2~0#1;assume { :end_inline_main } true; [2025-02-08 13:53:22,190 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret69#1 := main_#res#1; [2025-02-08 13:53:22,190 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058: assume 4294967295bv32 == (if 0bv32 == main_#t~ret64#1 then 1bv32 else 0bv32); [2025-02-08 13:53:22,190 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058: assume !(4294967295bv32 == (if 0bv32 == main_#t~ret64#1 then 1bv32 else 0bv32)); [2025-02-08 13:53:22,190 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-1: havoc main_#t~ret64#1; [2025-02-08 13:53:22,190 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-2: havoc main_#t~ret64#1; [2025-02-08 13:53:22,190 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-3: havoc empty_#in~q#1.base, empty_#in~q#1.offset;assume { :end_inline_empty } true; [2025-02-08 13:53:22,190 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-4: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 13:53:22,190 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1058-5: main_#t~ret64#1 := empty_#res#1; [2025-02-08 13:53:22,190 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059: assume { :end_inline_reach_error } true;assume false; [2025-02-08 13:53:22,191 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:22,191 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1059-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:22,191 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1061: #pthreadsMutex := #pthreadsMutex[~#m~0.base,~#m~0.offset := 0bv1]; [2025-02-08 13:53:22,191 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062: havoc main_#t~nondet66#1; [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-1: havoc main_#t~pre65#1; [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-2: fork main_#t~pre65#1, 0bv32 t1(~#queue~0.base, ~#queue~0.offset); [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-3: main_~id1~0#1 := main_#t~pre65#1; [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1062-5: main_#t~pre65#1 := #pthreadsForks; [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063: havoc main_#t~nondet68#1; [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-1: havoc main_#t~pre67#1; [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-2: fork main_#t~pre67#1, 0bv32, 0bv32 t2(~#queue~0.base, ~#queue~0.offset); [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-3: main_~id2~0#1 := main_#t~pre67#1; [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-5: main_#t~pre67#1 := #pthreadsForks; [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1064: join main_~id1~0#1, 0bv32; [2025-02-08 13:53:22,192 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1065: join main_~id2~0#1, 0bv32, 0bv32; [2025-02-08 13:53:22,193 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066: main_#res#1 := 0bv32; [2025-02-08 13:53:22,193 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 13:53:22,193 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 13:53:22,193 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 13:53:22,193 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume ~bvslt~32(~i~0#1, 399bv32); [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume !~bvslt~32(~i~0#1, 399bv32); [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-1: havoc #t~post58#1; [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-2: assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post58#1)), 2147483647bv33); [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-2: assume !~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(#t~post58#1)), 2147483647bv33); [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-3: ~i~0#1 := ~bvadd~32(1bv32, #t~post58#1); [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-4: assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post58#1))); [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-4: assume !~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(#t~post58#1))); [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-5: #t~post58#1 := ~i~0#1; [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-6: ~i~0#1 := 0bv32; [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1027: ~dequeue_flag~0 := 1bv8; [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L978: enqueue_~x#1 := enqueue_#in~x#1; [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L978-1: enqueue_~q#1.base, enqueue_~q#1.offset := enqueue_#in~q#1.base, enqueue_#in~q#1.offset; [2025-02-08 13:53:22,313 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: havoc #t~ret54#1; [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-1: [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-2: SUMMARY for call #t~ret54#1 := #PthreadsMutexLock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-3: [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029: havoc #t~ret57#1; [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-1: [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-2: SUMMARY for call #t~ret57#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1029-3: [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021: assume 0bv8 != ~enqueue_flag~0; [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1021: assume !(0bv8 != ~enqueue_flag~0); [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988: havoc enqueue_#t~post41#1; [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-1: havoc enqueue_#t~mem40#1; [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-2: SUMMARY for call write~intINTTYPE4#2(~bvadd~32(1bv32, enqueue_#t~post41#1), enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-3: assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(enqueue_#t~post41#1)), 2147483647bv33); [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-3: assume !~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(enqueue_#t~post41#1)), 2147483647bv33); [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-4: assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(enqueue_#t~post41#1))); [2025-02-08 13:53:22,314 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-4: assume !~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(enqueue_#t~post41#1))); [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-5: enqueue_#t~post41#1 := enqueue_#t~mem40#1; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L988-6: SUMMARY for call enqueue_#t~mem40#1 := read~intINTTYPE4#2(enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980: havoc enqueue_#t~mem36#1; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-1: SUMMARY for call write~intINTTYPE4#2(enqueue_~x#1, enqueue_~q#1.base, ~bvadd~32(enqueue_~q#1.offset, ~bvmul~32(4bv32, enqueue_#t~mem36#1)), 4bv32); srcloc: null [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L980-2: SUMMARY for call enqueue_#t~mem36#1 := read~intINTTYPE4#2(enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint t1FINAL: assume true; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: assume 0bv32 != #t~ret52#1; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014: assume !(0bv32 != #t~ret52#1); [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981: havoc enqueue_#t~post38#1; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-1: havoc #t~ret52#1; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-1: havoc enqueue_#t~mem37#1; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-2: havoc #t~ret52#1; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-2: SUMMARY for call write~intINTTYPE4#2(~bvadd~32(1bv32, enqueue_#t~post38#1), enqueue_~q#1.base, ~bvadd~32(1608bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-3: havoc empty_#in~q#1.base, empty_#in~q#1.offset;assume { :end_inline_empty } true; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-3: assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(enqueue_#t~post38#1)), 2147483647bv33); [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-3: assume !~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(enqueue_#t~post38#1)), 2147483647bv33); [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-4: havoc empty_#t~mem31#1, empty_#t~mem32#1, empty_#t~ret33#1, empty_~q#1.base, empty_~q#1.offset; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-4: assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(enqueue_#t~post38#1))); [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-4: assume !~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(enqueue_#t~post38#1))); [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1014-5: #t~ret52#1 := empty_#res#1; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-5: enqueue_#t~post38#1 := enqueue_#t~mem37#1; [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L981-6: SUMMARY for call enqueue_#t~mem37#1 := read~intINTTYPE4#2(enqueue_~q#1.base, ~bvadd~32(1608bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 13:53:22,315 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1031: #res#1.base, #res#1.offset := 0bv32, 0bv32; [2025-02-08 13:53:22,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023: havoc #t~nondet55#1; [2025-02-08 13:53:22,317 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-1: ~value~0#1 := #t~nondet55#1; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L990-1: enqueue_#res#1 := 0bv32; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1023-2: havoc #t~nondet55#1; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: assume 400bv32 == enqueue_#t~mem39#1; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982: assume !(400bv32 == enqueue_#t~mem39#1); [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-1: havoc enqueue_#t~mem39#1; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-2: havoc enqueue_#t~mem39#1; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L982-3: SUMMARY for call enqueue_#t~mem39#1 := read~intINTTYPE4#2(enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032: assume { :end_inline_reach_error } true;assume false; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1032-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024: assume { :end_inline_enqueue } true;havoc #t~ret56#1; [2025-02-08 13:53:22,318 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-1: havoc enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1; [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-2: havoc enqueue_#t~mem36#1, enqueue_#t~mem37#1, enqueue_#t~post38#1, enqueue_#t~mem39#1, enqueue_#t~mem40#1, enqueue_#t~post41#1, enqueue_~q#1.base, enqueue_~q#1.offset, enqueue_~x#1; [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-3: #t~ret56#1 := enqueue_#res#1; [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-4: havoc enqueue_#t~mem36#1, enqueue_#t~mem37#1, enqueue_#t~post38#1, enqueue_#t~mem39#1, enqueue_#t~mem40#1, enqueue_#t~post41#1, enqueue_~q#1.base, enqueue_~q#1.offset, enqueue_~x#1; [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-5: havoc enqueue_#res#1; [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1024-6: assume { :begin_inline_enqueue } true;enqueue_#in~q#1.base, enqueue_#in~q#1.offset, enqueue_#in~x#1 := ~#queue~0.base, ~#queue~0.offset, ~value~0#1; [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025: ~enqueue_flag~0 := 0bv8; [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-1: SUMMARY for call write~intINTTYPE4#3(~value~0#1, ~#stored_elements~0.base, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~bvadd~32(1bv32, ~i~0#1))), 4bv32); srcloc: null [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-2: assume ~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(~i~0#1)), 2147483647bv33); [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-2: assume !~bvsle~33(~bvadd~33(1bv33, ~sign_extend~33~32(~i~0#1)), 2147483647bv33); [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-3: assume ~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(~i~0#1))); [2025-02-08 13:53:22,319 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1025-3: assume !~bvsle~33(6442450944bv33, ~bvadd~33(1bv33, ~sign_extend~33~32(~i~0#1))); [2025-02-08 13:53:22,320 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: havoc #t~ret53#1; [2025-02-08 13:53:22,320 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L984: SUMMARY for call write~intINTTYPE4#2(1bv32, enqueue_~q#1.base, ~bvadd~32(1604bv32, enqueue_~q#1.offset), 4bv32); srcloc: null [2025-02-08 13:53:22,320 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-1: [2025-02-08 13:53:22,320 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-2: SUMMARY for call #t~ret53#1 := #PthreadsMutexUnlock(~#m~0.base, ~#m~0.offset); srcloc: null [2025-02-08 13:53:22,320 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-3: [2025-02-08 13:53:22,373 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043: assume { :end_inline_reach_error } true;assume false; [2025-02-08 13:53:22,373 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:22,373 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1043-2: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1045: ~dequeue_flag~0 := 0bv8; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume false; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !false; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1046: ~enqueue_flag~0 := 1bv8; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042: havoc #t~mem61#1; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-1: havoc #t~mem61#1; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-2: assume (if 0bv32 == #t~ret60#1 then 1bv32 else 0bv32) == #t~mem61#1; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-2: assume !((if 0bv32 == #t~ret60#1 then 1bv32 else 0bv32) == #t~mem61#1); [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-3: havoc #t~ret60#1; [2025-02-08 13:53:22,374 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-4: havoc #t~ret60#1; [2025-02-08 13:53:22,375 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-5: SUMMARY for call #t~mem61#1 := read~intINTTYPE4#3(~#stored_elements~0.base, ~bvadd~32(~#stored_elements~0.offset, ~bvmul~32(4bv32, ~i~1#1)), 4bv32); srcloc: null [2025-02-08 13:53:22,375 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-6: havoc dequeue_#in~q#1.base, dequeue_#in~q#1.offset;assume { :end_inline_dequeue } true; [2025-02-08 13:53:22,375 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-7: havoc dequeue_#t~mem42#1, dequeue_#t~mem43#1, dequeue_#t~mem44#1, dequeue_#t~post45#1, dequeue_#t~mem46#1, dequeue_#t~mem47#1, dequeue_#t~post48#1, dequeue_~q#1.base, dequeue_~q#1.offset, dequeue_~x~0#1; [2025-02-08 13:53:22,375 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1042-8: #t~ret60#1 := dequeue_#res#1; [2025-02-08 13:53:22,376 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 13:53:22,376 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:53:30,923 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:53:30,923 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 13:53:30,924 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:53:30 BoogieIcfgContainer [2025-02-08 13:53:30,924 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:53:30,926 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:53:30,926 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:53:30,931 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:53:30,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:53:20" (1/3) ... [2025-02-08 13:53:30,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dcad1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:53:30, skipping insertion in model container [2025-02-08 13:53:30,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:53:20" (2/3) ... [2025-02-08 13:53:30,932 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22dcad1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:53:30, skipping insertion in model container [2025-02-08 13:53:30,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:53:30" (3/3) ... [2025-02-08 13:53:30,933 INFO L128 eAbstractionObserver]: Analyzing ICFG queue_longer.i [2025-02-08 13:53:30,945 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:53:30,946 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue_longer.i that has 3 procedures, 43 locations, 1 initial locations, 2 loop locations, and 18 error locations. [2025-02-08 13:53:30,947 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 13:53:30,999 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgPetrifier.(IcfgPetrifier.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.petrify(TraceAbstractionStarter.java:492) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:235) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) 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) [2025-02-08 13:53:31,006 INFO L158 Benchmark]: Toolchain (without parser) took 10743.89ms. Allocated memory was 83.9MB in the beginning and 5.8GB in the end (delta: 5.7GB). Free memory was 57.9MB in the beginning and 5.6GB in the end (delta: -5.5GB). Peak memory consumption was 203.5MB. Max. memory is 16.1GB. [2025-02-08 13:53:31,007 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:53:31,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 494.41ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 49.3MB in the end (delta: 8.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2025-02-08 13:53:31,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.44ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 40.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:53:31,007 INFO L158 Benchmark]: Boogie Preprocessor took 104.20ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 31.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:53:31,009 INFO L158 Benchmark]: IcfgBuilder took 9956.54ms. Allocated memory was 83.9MB in the beginning and 5.8GB in the end (delta: 5.7GB). Free memory was 31.4MB in the beginning and 5.6GB in the end (delta: -5.6GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2025-02-08 13:53:31,009 INFO L158 Benchmark]: TraceAbstraction took 76.79ms. Allocated memory is still 5.8GB. Free memory was 5.6GB in the beginning and 5.6GB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 13:53:31,011 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 62.5MB in the beginning and 62.4MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 494.41ms. Allocated memory is still 83.9MB. Free memory was 57.6MB in the beginning and 49.3MB in the end (delta: 8.3MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.44ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 40.3MB in the end (delta: 9.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 104.20ms. Allocated memory is still 83.9MB. Free memory was 40.3MB in the beginning and 31.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 9956.54ms. Allocated memory was 83.9MB in the beginning and 5.8GB in the end (delta: 5.7GB). Free memory was 31.4MB in the beginning and 5.6GB in the end (delta: -5.6GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * TraceAbstraction took 76.79ms. Allocated memory is still 5.8GB. Free memory was 5.6GB in the beginning and 5.6GB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.ThreadInstanceAdder.constructThreadInstances(ThreadInstanceAdder.java:352) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2025-02-08 13:53:31,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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: NullPointerException: Cannot invoke "de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.structure.IIcfgForkTransitionThreadCurrent.getNameOfForkedProcedure()" because "" is null