./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races 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/goblint-regression/09-regions_24-evilcollapse_nr.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:32:50,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:32:50,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:32:50,819 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:32:50,819 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:32:50,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:32:50,843 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:32:50,844 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:32:50,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:32:50,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:32:50,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:32:50,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:32:50,846 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:32:50,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:32:50,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:32:50,847 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:32:50,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:32:50,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:32:50,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:32:50,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:32:50,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:32:50,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:32:50,847 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:32:50,848 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:32:50,848 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:32:50,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:32:50,848 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:32:50,848 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:32:50,848 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:32:50,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:32:50,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:32:50,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:32:50,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:32:50,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:32:50,849 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:32:50,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:32:50,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:32:50,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:32:50,850 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:32:50,850 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:32:50,850 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:32:50,850 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:32:50,850 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 ! data-race) ) 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 -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2025-02-08 05:32:51,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:32:51,125 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:32:51,128 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:32:51,129 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:32:51,129 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:32:51,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2025-02-08 05:32:52,398 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ca820219/5280193a4fb54f8fa49803487227aeb6/FLAG9fa664301 [2025-02-08 05:32:52,775 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:32:52,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2025-02-08 05:32:52,790 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ca820219/5280193a4fb54f8fa49803487227aeb6/FLAG9fa664301 [2025-02-08 05:32:52,803 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9ca820219/5280193a4fb54f8fa49803487227aeb6 [2025-02-08 05:32:52,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:32:52,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:32:52,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:32:52,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:32:52,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:32:52,813 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:32:52" (1/1) ... [2025-02-08 05:32:52,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7826c68c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:52, skipping insertion in model container [2025-02-08 05:32:52,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:32:52" (1/1) ... [2025-02-08 05:32:52,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:32:53,257 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:53,260 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:53,260 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:53,262 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:53,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:32:53,338 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:32:53,398 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:53,399 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:53,399 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:53,400 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:53,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:32:53,477 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:32:53,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53 WrapperNode [2025-02-08 05:32:53,480 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:32:53,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:32:53,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:32:53,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:32:53,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,530 INFO L138 Inliner]: procedures = 275, calls = 101, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 309 [2025-02-08 05:32:53,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:32:53,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:32:53,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:32:53,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:32:53,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,575 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,578 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,590 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:32:53,595 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:32:53,595 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:32:53,595 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:32:53,596 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (1/1) ... [2025-02-08 05:32:53,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:32:53,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:32:53,630 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 05:32:53,634 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 05:32:53,656 INFO L130 BoogieDeclarations]: Found specification of procedure f [2025-02-08 05:32:53,657 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2025-02-08 05:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-08 05:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-08 05:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-08 05:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-08 05:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 05:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:32:53,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-08 05:32:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:32:53,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:32:53,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:32:53,659 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 05:32:53,797 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:32:53,799 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:32:54,485 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-1: havoc main_#t~post26#1; [2025-02-08 05:32:54,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-2: main_~j~1#1 := 1 + main_#t~post26#1; [2025-02-08 05:32:54,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-3: assume { :end_inline_list_add } true;main_#t~post26#1 := main_~j~1#1; [2025-02-08 05:32:54,486 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-4: havoc list_add_#in~new#1.base, list_add_#in~new#1.offset, list_add_#in~head#1.base, list_add_#in~head#1.offset; [2025-02-08 05:32:54,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-5: havoc list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset, list_add_#t~nondet7#1, list_add_#t~nondet8#1, list_add_#t~nondet9#1, list_add_#t~nondet10#1, list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, list_add_~next~0#1.base, list_add_~next~0#1.offset; [2025-02-08 05:32:54,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-6: havoc list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset, list_add_#t~nondet7#1, list_add_#t~nondet8#1, list_add_#t~nondet9#1, list_add_#t~nondet10#1, list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, list_add_~next~0#1.base, list_add_~next~0#1.offset; [2025-02-08 05:32:54,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-7: assume { :end_inline_new } true;assume { :begin_inline_list_add } true;list_add_#in~new#1.base, list_add_#in~new#1.offset, list_add_#in~head#1.base, list_add_#in~head#1.offset := main_#t~ret25#1.base, 4 + main_#t~ret25#1.offset, ~#c~0.base, ~#c~0.offset + 8 * main_~i~0#1; [2025-02-08 05:32:54,487 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-8: havoc new_#in~x#1; [2025-02-08 05:32:54,488 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-9: havoc new_#t~malloc4#1.base, new_#t~malloc4#1.offset, new_#t~nondet5#1, new_~x#1, new_~p~0#1.base, new_~p~0#1.offset; [2025-02-08 05:32:54,488 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-10: main_#t~ret25#1.base, main_#t~ret25#1.offset := new_#res#1.base, new_#res#1.offset; [2025-02-08 05:32:54,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015: list_add_~head#1.base, list_add_~head#1.offset := list_add_#in~head#1.base, list_add_#in~head#1.offset; [2025-02-08 05:32:54,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: list_add_~new#1.base, list_add_~new#1.offset := list_add_#in~new#1.base, list_add_#in~new#1.offset; [2025-02-08 05:32:54,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016: havoc list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset; [2025-02-08 05:32:54,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-1: assume ((0 == #race[list_add_~head#1.base,list_add_~head#1.offset] && 0 == #race[list_add_~head#1.base,1 + list_add_~head#1.offset]) && 0 == #race[list_add_~head#1.base,2 + list_add_~head#1.offset]) && 0 == #race[list_add_~head#1.base,3 + list_add_~head#1.offset]; [2025-02-08 05:32:54,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-1: assume !(((0 == #race[list_add_~head#1.base,list_add_~head#1.offset] && 0 == #race[list_add_~head#1.base,1 + list_add_~head#1.offset]) && 0 == #race[list_add_~head#1.base,2 + list_add_~head#1.offset]) && 0 == #race[list_add_~head#1.base,3 + list_add_~head#1.offset]); [2025-02-08 05:32:54,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-2: list_add_~next~0#1.base, list_add_~next~0#1.offset := list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset; [2025-02-08 05:32:54,489 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-3: #race := #race[list_add_~head#1.base,3 + list_add_~head#1.offset := 0]; [2025-02-08 05:32:54,490 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-4: #race := #race[list_add_~head#1.base,2 + list_add_~head#1.offset := 0]; [2025-02-08 05:32:54,490 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-5: #race := #race[list_add_~head#1.base,1 + list_add_~head#1.offset := 0]; [2025-02-08 05:32:54,490 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-6: #race := #race[list_add_~head#1.base,list_add_~head#1.offset := 0]; [2025-02-08 05:32:54,490 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-7: SUMMARY for call list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset := read~$Pointer$(list_add_~head#1.base, list_add_~head#1.offset, 4); srcloc: null [2025-02-08 05:32:54,490 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066: assume { :end_inline_lookup1 } true;main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~ret28#1.base, main_#t~ret28#1.offset; [2025-02-08 05:32:54,490 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066-1: havoc lookup1_#in~d#1; [2025-02-08 05:32:54,491 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066-2: havoc lookup1_#t~nondet11#1, lookup1_#t~mem12#1.base, lookup1_#t~mem12#1.offset, lookup1_~d#1, lookup1_~hvalue1~0#1, lookup1_~p~1#1.base, lookup1_~p~1#1.offset; [2025-02-08 05:32:54,491 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066-3: main_#t~ret28#1.base, main_#t~ret28#1.offset := lookup1_#res#1.base, lookup1_#res#1.offset; [2025-02-08 05:32:54,491 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: assume ((#race[list_add_~next~0#1.base,4 + list_add_~next~0#1.offset] == list_add_#t~nondet7#1 && #race[list_add_~next~0#1.base,5 + list_add_~next~0#1.offset] == list_add_#t~nondet7#1) && #race[list_add_~next~0#1.base,6 + list_add_~next~0#1.offset] == list_add_#t~nondet7#1) && #race[list_add_~next~0#1.base,7 + list_add_~next~0#1.offset] == list_add_#t~nondet7#1; [2025-02-08 05:32:54,491 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: assume !(((#race[list_add_~next~0#1.base,4 + list_add_~next~0#1.offset] == list_add_#t~nondet7#1 && #race[list_add_~next~0#1.base,5 + list_add_~next~0#1.offset] == list_add_#t~nondet7#1) && #race[list_add_~next~0#1.base,6 + list_add_~next~0#1.offset] == list_add_#t~nondet7#1) && #race[list_add_~next~0#1.base,7 + list_add_~next~0#1.offset] == list_add_#t~nondet7#1); [2025-02-08 05:32:54,491 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-1: havoc list_add_#t~nondet7#1; [2025-02-08 05:32:54,491 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-2: #race := #race[list_add_~next~0#1.base,7 + list_add_~next~0#1.offset := list_add_#t~nondet7#1]; [2025-02-08 05:32:54,491 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-3: #race := #race[list_add_~next~0#1.base,6 + list_add_~next~0#1.offset := list_add_#t~nondet7#1]; [2025-02-08 05:32:54,491 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-4: #race := #race[list_add_~next~0#1.base,5 + list_add_~next~0#1.offset := list_add_#t~nondet7#1]; [2025-02-08 05:32:54,492 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-5: #race := #race[list_add_~next~0#1.base,4 + list_add_~next~0#1.offset := list_add_#t~nondet7#1]; [2025-02-08 05:32:54,492 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-6: havoc list_add_#t~nondet7#1; [2025-02-08 05:32:54,492 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-7: SUMMARY for call write~$Pointer$(list_add_~new#1.base, list_add_~new#1.offset, list_add_~next~0#1.base, 4 + list_add_~next~0#1.offset, 4); srcloc: null [2025-02-08 05:32:54,492 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume ((#race[list_add_~new#1.base,list_add_~new#1.offset] == list_add_#t~nondet8#1 && #race[list_add_~new#1.base,1 + list_add_~new#1.offset] == list_add_#t~nondet8#1) && #race[list_add_~new#1.base,2 + list_add_~new#1.offset] == list_add_#t~nondet8#1) && #race[list_add_~new#1.base,3 + list_add_~new#1.offset] == list_add_#t~nondet8#1; [2025-02-08 05:32:54,493 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume !(((#race[list_add_~new#1.base,list_add_~new#1.offset] == list_add_#t~nondet8#1 && #race[list_add_~new#1.base,1 + list_add_~new#1.offset] == list_add_#t~nondet8#1) && #race[list_add_~new#1.base,2 + list_add_~new#1.offset] == list_add_#t~nondet8#1) && #race[list_add_~new#1.base,3 + list_add_~new#1.offset] == list_add_#t~nondet8#1); [2025-02-08 05:32:54,493 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-1: havoc list_add_#t~nondet8#1; [2025-02-08 05:32:54,493 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-2: #race := #race[list_add_~new#1.base,3 + list_add_~new#1.offset := list_add_#t~nondet8#1]; [2025-02-08 05:32:54,493 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-3: #race := #race[list_add_~new#1.base,2 + list_add_~new#1.offset := list_add_#t~nondet8#1]; [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-4: #race := #race[list_add_~new#1.base,1 + list_add_~new#1.offset := list_add_#t~nondet8#1]; [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-5: #race := #race[list_add_~new#1.base,list_add_~new#1.offset := list_add_#t~nondet8#1]; [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-6: havoc list_add_#t~nondet8#1; [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-7: SUMMARY for call write~$Pointer$(list_add_~next~0#1.base, list_add_~next~0#1.offset, list_add_~new#1.base, list_add_~new#1.offset, 4); srcloc: null [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068: assume { :end_inline_lookup2 } true;main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~ret29#1.base, main_#t~ret29#1.offset; [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068-1: havoc lookup2_#in~d#1; [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068-2: havoc lookup2_#t~nondet13#1, lookup2_#t~mem14#1.base, lookup2_#t~mem14#1.offset, lookup2_~d#1, lookup2_~hvalue2~0#1, lookup2_~p~2#1.base, lookup2_~p~2#1.offset; [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068-3: main_#t~ret29#1.base, main_#t~ret29#1.offset := lookup2_#res#1.base, lookup2_#res#1.offset; [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 05:32:54,495 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019: assume ((#race[list_add_~new#1.base,4 + list_add_~new#1.offset] == list_add_#t~nondet9#1 && #race[list_add_~new#1.base,5 + list_add_~new#1.offset] == list_add_#t~nondet9#1) && #race[list_add_~new#1.base,6 + list_add_~new#1.offset] == list_add_#t~nondet9#1) && #race[list_add_~new#1.base,7 + list_add_~new#1.offset] == list_add_#t~nondet9#1; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019: assume !(((#race[list_add_~new#1.base,4 + list_add_~new#1.offset] == list_add_#t~nondet9#1 && #race[list_add_~new#1.base,5 + list_add_~new#1.offset] == list_add_#t~nondet9#1) && #race[list_add_~new#1.base,6 + list_add_~new#1.offset] == list_add_#t~nondet9#1) && #race[list_add_~new#1.base,7 + list_add_~new#1.offset] == list_add_#t~nondet9#1); [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-1: havoc list_add_#t~nondet9#1; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-2: #race := #race[list_add_~new#1.base,7 + list_add_~new#1.offset := list_add_#t~nondet9#1]; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-3: #race := #race[list_add_~new#1.base,6 + list_add_~new#1.offset := list_add_#t~nondet9#1]; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-4: #race := #race[list_add_~new#1.base,5 + list_add_~new#1.offset := list_add_#t~nondet9#1]; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-5: #race := #race[list_add_~new#1.base,4 + list_add_~new#1.offset := list_add_#t~nondet9#1]; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-6: havoc list_add_#t~nondet9#1; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-7: SUMMARY for call write~$Pointer$(list_add_~head#1.base, list_add_~head#1.offset, list_add_~new#1.base, 4 + list_add_~new#1.offset, 4); srcloc: null [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069: havoc main_#t~nondet31#1; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-1: havoc main_#t~pre30#1; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-2: fork main_#t~pre30#1, 0 f(0, 0); [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-3: main_~t1~0#1 := main_#t~pre30#1; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 05:32:54,496 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-5: main_#t~pre30#1 := #pthreadsForks; [2025-02-08 05:32:54,497 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: assume ((#race[list_add_~head#1.base,list_add_~head#1.offset] == list_add_#t~nondet10#1 && #race[list_add_~head#1.base,1 + list_add_~head#1.offset] == list_add_#t~nondet10#1) && #race[list_add_~head#1.base,2 + list_add_~head#1.offset] == list_add_#t~nondet10#1) && #race[list_add_~head#1.base,3 + list_add_~head#1.offset] == list_add_#t~nondet10#1; [2025-02-08 05:32:54,497 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: assume !(((#race[list_add_~head#1.base,list_add_~head#1.offset] == list_add_#t~nondet10#1 && #race[list_add_~head#1.base,1 + list_add_~head#1.offset] == list_add_#t~nondet10#1) && #race[list_add_~head#1.base,2 + list_add_~head#1.offset] == list_add_#t~nondet10#1) && #race[list_add_~head#1.base,3 + list_add_~head#1.offset] == list_add_#t~nondet10#1); [2025-02-08 05:32:54,497 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-1: havoc list_add_#t~nondet10#1; [2025-02-08 05:32:54,498 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-2: #race := #race[list_add_~head#1.base,3 + list_add_~head#1.offset := list_add_#t~nondet10#1]; [2025-02-08 05:32:54,498 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-3: #race := #race[list_add_~head#1.base,2 + list_add_~head#1.offset := list_add_#t~nondet10#1]; [2025-02-08 05:32:54,498 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-4: #race := #race[list_add_~head#1.base,1 + list_add_~head#1.offset := list_add_#t~nondet10#1]; [2025-02-08 05:32:54,498 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-5: #race := #race[list_add_~head#1.base,list_add_~head#1.offset := list_add_#t~nondet10#1]; [2025-02-08 05:32:54,498 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-6: havoc list_add_#t~nondet10#1; [2025-02-08 05:32:54,498 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-7: SUMMARY for call write~$Pointer$(list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, 4); srcloc: null [2025-02-08 05:32:54,498 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070: havoc main_#t~nondet33#1; [2025-02-08 05:32:54,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-1: havoc main_#t~pre32#1; [2025-02-08 05:32:54,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-2: fork main_#t~pre32#1, 0, 0 f(0, 0); [2025-02-08 05:32:54,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-3: main_~t2~0#1 := main_#t~pre32#1; [2025-02-08 05:32:54,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-4: #pthreadsForks := 1 + #pthreadsForks; [2025-02-08 05:32:54,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-5: main_#t~pre32#1 := #pthreadsForks; [2025-02-08 05:32:54,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1071: main_#res#1 := main_~pp~0#1.base + main_~pp~0#1.offset; [2025-02-08 05:32:54,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~nondet24#1, main_#t~ret25#1.base, main_#t~ret25#1.offset, main_#t~post26#1, main_~j~1#1, main_#t~post27#1, main_~i~0#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_#t~ret29#1.base, main_#t~ret29#1.offset, main_#t~pre30#1, main_#t~nondet31#1, main_#t~pre32#1, main_#t~nondet33#1, main_~x~0#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~t1~0#1, main_~t2~0#1;assume { :end_inline_main } true; [2025-02-08 05:32:54,499 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret34#1 := main_#res#1; [2025-02-08 05:32:54,500 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:32:54,500 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:32:54,520 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:32:54,520 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:32:54,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:32:54 BoogieIcfgContainer [2025-02-08 05:32:54,520 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:32:54,522 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:32:54,522 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:32:54,531 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:32:54,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:32:52" (1/3) ... [2025-02-08 05:32:54,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464e5228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:32:54, skipping insertion in model container [2025-02-08 05:32:54,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:53" (2/3) ... [2025-02-08 05:32:54,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@464e5228 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:32:54, skipping insertion in model container [2025-02-08 05:32:54,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:32:54" (3/3) ... [2025-02-08 05:32:54,535 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2025-02-08 05:32:54,550 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:32:54,551 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_24-evilcollapse_nr.i that has 2 procedures, 279 locations, 1 initial locations, 4 loop locations, and 16 error locations. [2025-02-08 05:32:54,551 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:32:54,609 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 05:32:54,619 INFO L158 Benchmark]: Toolchain (without parser) took 1810.68ms. Allocated memory is still 142.6MB. Free memory was 113.6MB in the beginning and 90.5MB in the end (delta: 23.1MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2025-02-08 05:32:54,620 INFO L158 Benchmark]: CDTParser took 0.34ms. 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 05:32:54,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 672.32ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 80.7MB in the end (delta: 31.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 05:32:54,620 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.44ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 76.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:32:54,621 INFO L158 Benchmark]: Boogie Preprocessor took 59.13ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 73.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:32:54,621 INFO L158 Benchmark]: IcfgBuilder took 925.30ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 100.6MB in the end (delta: -27.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. [2025-02-08 05:32:54,621 INFO L158 Benchmark]: TraceAbstraction took 93.99ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 90.5MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:32:54,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 201.3MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 672.32ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 80.7MB in the end (delta: 31.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.44ms. Allocated memory is still 142.6MB. Free memory was 80.7MB in the beginning and 76.8MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.13ms. Allocated memory is still 142.6MB. Free memory was 76.8MB in the beginning and 73.3MB in the end (delta: 3.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 925.30ms. Allocated memory is still 142.6MB. Free memory was 73.3MB in the beginning and 100.6MB in the end (delta: -27.3MB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB. * TraceAbstraction took 93.99ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 90.5MB in the end (delta: 10.1MB). 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 05:32:54,643 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/goblint-regression/09-regions_24-evilcollapse_nr.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-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 ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:32:56,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:32:56,908 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Bitvector.epf [2025-02-08 05:32:56,917 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:32:56,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:32:56,940 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:32:56,940 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:32:56,941 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:32:56,941 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:32:56,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:32:56,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:32:56,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:32:56,942 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:32:56,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:32:56,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:32:56,942 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:32:56,942 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:32:56,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:32:56,942 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:32:56,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:32:56,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:32:56,943 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:32:56,943 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-08 05:32:56,943 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-08 05:32:56,943 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:32:56,943 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:32:56,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:32:56,943 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:32:56,944 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:32:56,944 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:32:56,944 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:32:56,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:32:56,944 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:32:56,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:32:56,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:32:56,945 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:32:56,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:32:56,945 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-08 05:32:56,945 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-08 05:32:56,945 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:32:56,945 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:32:56,946 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:32:56,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:32:56,946 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 ! data-race) ) 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 -> 085e9170c725dbfce47ad23ff96af1e2e4188372955794675158fde45968fe8a [2025-02-08 05:32:57,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:32:57,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:32:57,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:32:57,262 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:32:57,263 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:32:57,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2025-02-08 05:32:58,639 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f1bd3596a/81d45f8426ca4d55baa730d584bdcdf5/FLAGba9bf153f [2025-02-08 05:32:58,970 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:32:58,972 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/09-regions_24-evilcollapse_nr.i [2025-02-08 05:32:58,990 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f1bd3596a/81d45f8426ca4d55baa730d584bdcdf5/FLAGba9bf153f [2025-02-08 05:32:59,009 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f1bd3596a/81d45f8426ca4d55baa730d584bdcdf5 [2025-02-08 05:32:59,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:32:59,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:32:59,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:32:59,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:32:59,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:32:59,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7b1be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59, skipping insertion in model container [2025-02-08 05:32:59,023 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,066 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:32:59,534 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:59,535 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:59,537 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:59,539 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:59,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:32:59,620 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:32:59,671 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:59,672 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:59,674 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:59,675 WARN L1731 CHandler]: Possible shadowing of function new [2025-02-08 05:32:59,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:32:59,772 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:32:59,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59 WrapperNode [2025-02-08 05:32:59,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:32:59,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:32:59,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:32:59,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:32:59,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,802 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,848 INFO L138 Inliner]: procedures = 276, calls = 101, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 306 [2025-02-08 05:32:59,849 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:32:59,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:32:59,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:32:59,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:32:59,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,884 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,891 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:32:59,897 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:32:59,897 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:32:59,897 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:32:59,898 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (1/1) ... [2025-02-08 05:32:59,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:32:59,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:32:59,935 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 05:32:59,938 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 05:32:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2025-02-08 05:32:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure f [2025-02-08 05:32:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2025-02-08 05:32:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-08 05:32:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2025-02-08 05:32:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-08 05:32:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2025-02-08 05:32:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:32:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:32:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 05:32:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:32:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-08 05:32:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:32:59,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:32:59,961 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 05:33:00,089 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:33:00,091 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:33:00,886 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-1: havoc main_#t~post26#1; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-2: main_~j~1#1 := ~bvadd~32(1bv32, main_#t~post26#1); [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-3: assume { :end_inline_list_add } true;main_#t~post26#1 := main_~j~1#1; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-4: havoc list_add_#in~new#1.base, list_add_#in~new#1.offset, list_add_#in~head#1.base, list_add_#in~head#1.offset; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-5: havoc list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset, list_add_#t~nondet7#1, list_add_#t~nondet8#1, list_add_#t~nondet9#1, list_add_#t~nondet10#1, list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, list_add_~next~0#1.base, list_add_~next~0#1.offset; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-6: havoc list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset, list_add_#t~nondet7#1, list_add_#t~nondet8#1, list_add_#t~nondet9#1, list_add_#t~nondet10#1, list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, list_add_~next~0#1.base, list_add_~next~0#1.offset; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-7: assume { :end_inline_new } true;assume { :begin_inline_list_add } true;list_add_#in~new#1.base, list_add_#in~new#1.offset, list_add_#in~head#1.base, list_add_#in~head#1.offset := main_#t~ret25#1.base, ~bvadd~32(4bv32, main_#t~ret25#1.offset), ~#c~0.base, ~bvadd~32(~#c~0.offset, ~bvmul~32(8bv32, main_~i~0#1)); [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-8: havoc new_#in~x#1; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-9: havoc new_#t~malloc4#1.base, new_#t~malloc4#1.offset, new_#t~nondet5#1, new_~x#1, new_~p~0#1.base, new_~p~0#1.offset; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1063-10: main_#t~ret25#1.base, main_#t~ret25#1.offset := new_#res#1.base, new_#res#1.offset; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015: list_add_~head#1.base, list_add_~head#1.offset := list_add_#in~head#1.base, list_add_#in~head#1.offset; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1015-1: list_add_~new#1.base, list_add_~new#1.offset := list_add_#in~new#1.base, list_add_#in~new#1.offset; [2025-02-08 05:33:00,887 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016: havoc list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-1: assume ((0bv1 == #race[list_add_~head#1.base,list_add_~head#1.offset] && 0bv1 == #race[list_add_~head#1.base,~bvadd~32(1bv32, list_add_~head#1.offset)]) && 0bv1 == #race[list_add_~head#1.base,~bvadd~32(2bv32, list_add_~head#1.offset)]) && 0bv1 == #race[list_add_~head#1.base,~bvadd~32(3bv32, list_add_~head#1.offset)]; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-1: assume !(((0bv1 == #race[list_add_~head#1.base,list_add_~head#1.offset] && 0bv1 == #race[list_add_~head#1.base,~bvadd~32(1bv32, list_add_~head#1.offset)]) && 0bv1 == #race[list_add_~head#1.base,~bvadd~32(2bv32, list_add_~head#1.offset)]) && 0bv1 == #race[list_add_~head#1.base,~bvadd~32(3bv32, list_add_~head#1.offset)]); [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-2: list_add_~next~0#1.base, list_add_~next~0#1.offset := list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-3: #race := #race[list_add_~head#1.base,~bvadd~32(3bv32, list_add_~head#1.offset) := 0bv1]; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-4: #race := #race[list_add_~head#1.base,~bvadd~32(2bv32, list_add_~head#1.offset) := 0bv1]; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-5: #race := #race[list_add_~head#1.base,~bvadd~32(1bv32, list_add_~head#1.offset) := 0bv1]; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-6: #race := #race[list_add_~head#1.base,list_add_~head#1.offset := 0bv1]; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1016-7: SUMMARY for call list_add_#t~mem6#1.base, list_add_#t~mem6#1.offset := read~$Pointer$(list_add_~head#1.base, list_add_~head#1.offset, 4bv32); srcloc: null [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066: assume { :end_inline_lookup1 } true;main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~ret28#1.base, main_#t~ret28#1.offset; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066-1: havoc lookup1_#in~d#1; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066-2: havoc lookup1_#t~nondet11#1, lookup1_#t~mem12#1.base, lookup1_#t~mem12#1.offset, lookup1_~d#1, lookup1_~hvalue1~0#1, lookup1_~p~1#1.base, lookup1_~p~1#1.offset; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1066-3: main_#t~ret28#1.base, main_#t~ret28#1.offset := lookup1_#res#1.base, lookup1_#res#1.offset; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: assume ((#race[list_add_~next~0#1.base,~bvadd~32(4bv32, list_add_~next~0#1.offset)] == list_add_#t~nondet7#1 && #race[list_add_~next~0#1.base,~bvadd~32(1bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset))] == list_add_#t~nondet7#1) && #race[list_add_~next~0#1.base,~bvadd~32(2bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset))] == list_add_#t~nondet7#1) && #race[list_add_~next~0#1.base,~bvadd~32(3bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset))] == list_add_#t~nondet7#1; [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017: assume !(((#race[list_add_~next~0#1.base,~bvadd~32(4bv32, list_add_~next~0#1.offset)] == list_add_#t~nondet7#1 && #race[list_add_~next~0#1.base,~bvadd~32(1bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset))] == list_add_#t~nondet7#1) && #race[list_add_~next~0#1.base,~bvadd~32(2bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset))] == list_add_#t~nondet7#1) && #race[list_add_~next~0#1.base,~bvadd~32(3bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset))] == list_add_#t~nondet7#1); [2025-02-08 05:33:00,888 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-1: havoc list_add_#t~nondet7#1; [2025-02-08 05:33:00,889 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-2: #race := #race[list_add_~next~0#1.base,~bvadd~32(3bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset)) := list_add_#t~nondet7#1]; [2025-02-08 05:33:00,889 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-3: #race := #race[list_add_~next~0#1.base,~bvadd~32(2bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset)) := list_add_#t~nondet7#1]; [2025-02-08 05:33:00,889 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-4: #race := #race[list_add_~next~0#1.base,~bvadd~32(1bv32, ~bvadd~32(4bv32, list_add_~next~0#1.offset)) := list_add_#t~nondet7#1]; [2025-02-08 05:33:00,889 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-5: #race := #race[list_add_~next~0#1.base,~bvadd~32(4bv32, list_add_~next~0#1.offset) := list_add_#t~nondet7#1]; [2025-02-08 05:33:00,889 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-6: havoc list_add_#t~nondet7#1; [2025-02-08 05:33:00,889 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1017-7: SUMMARY for call write~$Pointer$(list_add_~new#1.base, list_add_~new#1.offset, list_add_~next~0#1.base, ~bvadd~32(4bv32, list_add_~next~0#1.offset), 4bv32); srcloc: null [2025-02-08 05:33:00,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume ((#race[list_add_~new#1.base,list_add_~new#1.offset] == list_add_#t~nondet8#1 && #race[list_add_~new#1.base,~bvadd~32(1bv32, list_add_~new#1.offset)] == list_add_#t~nondet8#1) && #race[list_add_~new#1.base,~bvadd~32(2bv32, list_add_~new#1.offset)] == list_add_#t~nondet8#1) && #race[list_add_~new#1.base,~bvadd~32(3bv32, list_add_~new#1.offset)] == list_add_#t~nondet8#1; [2025-02-08 05:33:00,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018: assume !(((#race[list_add_~new#1.base,list_add_~new#1.offset] == list_add_#t~nondet8#1 && #race[list_add_~new#1.base,~bvadd~32(1bv32, list_add_~new#1.offset)] == list_add_#t~nondet8#1) && #race[list_add_~new#1.base,~bvadd~32(2bv32, list_add_~new#1.offset)] == list_add_#t~nondet8#1) && #race[list_add_~new#1.base,~bvadd~32(3bv32, list_add_~new#1.offset)] == list_add_#t~nondet8#1); [2025-02-08 05:33:00,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-1: havoc list_add_#t~nondet8#1; [2025-02-08 05:33:00,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-2: #race := #race[list_add_~new#1.base,~bvadd~32(3bv32, list_add_~new#1.offset) := list_add_#t~nondet8#1]; [2025-02-08 05:33:00,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-3: #race := #race[list_add_~new#1.base,~bvadd~32(2bv32, list_add_~new#1.offset) := list_add_#t~nondet8#1]; [2025-02-08 05:33:00,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-4: #race := #race[list_add_~new#1.base,~bvadd~32(1bv32, list_add_~new#1.offset) := list_add_#t~nondet8#1]; [2025-02-08 05:33:00,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-5: #race := #race[list_add_~new#1.base,list_add_~new#1.offset := list_add_#t~nondet8#1]; [2025-02-08 05:33:00,890 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-6: havoc list_add_#t~nondet8#1; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1018-7: SUMMARY for call write~$Pointer$(list_add_~next~0#1.base, list_add_~next~0#1.offset, list_add_~new#1.base, list_add_~new#1.offset, 4bv32); srcloc: null [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068: assume { :end_inline_lookup2 } true;main_~pp~0#1.base, main_~pp~0#1.offset := main_#t~ret29#1.base, main_#t~ret29#1.offset; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068-1: havoc lookup2_#in~d#1; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068-2: havoc lookup2_#t~nondet13#1, lookup2_#t~mem14#1.base, lookup2_#t~mem14#1.offset, lookup2_~d#1, lookup2_~hvalue2~0#1, lookup2_~p~2#1.base, lookup2_~p~2#1.offset; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1068-3: main_#t~ret29#1.base, main_#t~ret29#1.offset := lookup2_#res#1.base, lookup2_#res#1.offset; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019: assume ((#race[list_add_~new#1.base,~bvadd~32(4bv32, list_add_~new#1.offset)] == list_add_#t~nondet9#1 && #race[list_add_~new#1.base,~bvadd~32(1bv32, ~bvadd~32(4bv32, list_add_~new#1.offset))] == list_add_#t~nondet9#1) && #race[list_add_~new#1.base,~bvadd~32(2bv32, ~bvadd~32(4bv32, list_add_~new#1.offset))] == list_add_#t~nondet9#1) && #race[list_add_~new#1.base,~bvadd~32(3bv32, ~bvadd~32(4bv32, list_add_~new#1.offset))] == list_add_#t~nondet9#1; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019: assume !(((#race[list_add_~new#1.base,~bvadd~32(4bv32, list_add_~new#1.offset)] == list_add_#t~nondet9#1 && #race[list_add_~new#1.base,~bvadd~32(1bv32, ~bvadd~32(4bv32, list_add_~new#1.offset))] == list_add_#t~nondet9#1) && #race[list_add_~new#1.base,~bvadd~32(2bv32, ~bvadd~32(4bv32, list_add_~new#1.offset))] == list_add_#t~nondet9#1) && #race[list_add_~new#1.base,~bvadd~32(3bv32, ~bvadd~32(4bv32, list_add_~new#1.offset))] == list_add_#t~nondet9#1); [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-1: havoc list_add_#t~nondet9#1; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-2: #race := #race[list_add_~new#1.base,~bvadd~32(3bv32, ~bvadd~32(4bv32, list_add_~new#1.offset)) := list_add_#t~nondet9#1]; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-3: #race := #race[list_add_~new#1.base,~bvadd~32(2bv32, ~bvadd~32(4bv32, list_add_~new#1.offset)) := list_add_#t~nondet9#1]; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-4: #race := #race[list_add_~new#1.base,~bvadd~32(1bv32, ~bvadd~32(4bv32, list_add_~new#1.offset)) := list_add_#t~nondet9#1]; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-5: #race := #race[list_add_~new#1.base,~bvadd~32(4bv32, list_add_~new#1.offset) := list_add_#t~nondet9#1]; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-6: havoc list_add_#t~nondet9#1; [2025-02-08 05:33:00,891 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1019-7: SUMMARY for call write~$Pointer$(list_add_~head#1.base, list_add_~head#1.offset, list_add_~new#1.base, ~bvadd~32(4bv32, list_add_~new#1.offset), 4bv32); srcloc: null [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069: havoc main_#t~nondet31#1; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-1: havoc main_#t~pre30#1; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-2: fork main_#t~pre30#1, 0bv32 f(0bv32, 0bv32); [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-3: main_~t1~0#1 := main_#t~pre30#1; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1069-5: main_#t~pre30#1 := #pthreadsForks; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: assume ((#race[list_add_~head#1.base,list_add_~head#1.offset] == list_add_#t~nondet10#1 && #race[list_add_~head#1.base,~bvadd~32(1bv32, list_add_~head#1.offset)] == list_add_#t~nondet10#1) && #race[list_add_~head#1.base,~bvadd~32(2bv32, list_add_~head#1.offset)] == list_add_#t~nondet10#1) && #race[list_add_~head#1.base,~bvadd~32(3bv32, list_add_~head#1.offset)] == list_add_#t~nondet10#1; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020: assume !(((#race[list_add_~head#1.base,list_add_~head#1.offset] == list_add_#t~nondet10#1 && #race[list_add_~head#1.base,~bvadd~32(1bv32, list_add_~head#1.offset)] == list_add_#t~nondet10#1) && #race[list_add_~head#1.base,~bvadd~32(2bv32, list_add_~head#1.offset)] == list_add_#t~nondet10#1) && #race[list_add_~head#1.base,~bvadd~32(3bv32, list_add_~head#1.offset)] == list_add_#t~nondet10#1); [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-1: havoc list_add_#t~nondet10#1; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-2: #race := #race[list_add_~head#1.base,~bvadd~32(3bv32, list_add_~head#1.offset) := list_add_#t~nondet10#1]; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-3: #race := #race[list_add_~head#1.base,~bvadd~32(2bv32, list_add_~head#1.offset) := list_add_#t~nondet10#1]; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-4: #race := #race[list_add_~head#1.base,~bvadd~32(1bv32, list_add_~head#1.offset) := list_add_#t~nondet10#1]; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-5: #race := #race[list_add_~head#1.base,list_add_~head#1.offset := list_add_#t~nondet10#1]; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-6: havoc list_add_#t~nondet10#1; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1020-7: SUMMARY for call write~$Pointer$(list_add_~new#1.base, list_add_~new#1.offset, list_add_~head#1.base, list_add_~head#1.offset, 4bv32); srcloc: null [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070: havoc main_#t~nondet33#1; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-1: havoc main_#t~pre32#1; [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-2: fork main_#t~pre32#1, 0bv32, 0bv32 f(0bv32, 0bv32); [2025-02-08 05:33:00,892 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-3: main_~t2~0#1 := main_#t~pre32#1; [2025-02-08 05:33:00,893 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-4: #pthreadsForks := ~bvadd~32(1bv32, #pthreadsForks); [2025-02-08 05:33:00,893 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1070-5: main_#t~pre32#1 := #pthreadsForks; [2025-02-08 05:33:00,893 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1071: main_#res#1 := ~bvadd~32(main_~pp~0#1.base, main_~pp~0#1.offset); [2025-02-08 05:33:00,893 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1: havoc main_#t~nondet24#1, main_#t~ret25#1.base, main_#t~ret25#1.offset, main_#t~post26#1, main_~j~1#1, main_#t~post27#1, main_~i~0#1, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_#t~ret29#1.base, main_#t~ret29#1.offset, main_#t~pre30#1, main_#t~nondet31#1, main_#t~pre32#1, main_#t~nondet33#1, main_~x~0#1, main_~pp~0#1.base, main_~pp~0#1.offset, main_~t1~0#1, main_~t2~0#1;assume { :end_inline_main } true; [2025-02-08 05:33:00,893 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L-1-1: #t~ret34#1 := main_#res#1; [2025-02-08 05:33:00,894 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:33:00,894 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:33:00,917 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:33:00,917 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:33:00,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:33:00 BoogieIcfgContainer [2025-02-08 05:33:00,918 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:33:00,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:33:00,920 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:33:00,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:33:00,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:32:59" (1/3) ... [2025-02-08 05:33:00,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1000082d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:33:00, skipping insertion in model container [2025-02-08 05:33:00,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:32:59" (2/3) ... [2025-02-08 05:33:00,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1000082d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:33:00, skipping insertion in model container [2025-02-08 05:33:00,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:33:00" (3/3) ... [2025-02-08 05:33:00,930 INFO L128 eAbstractionObserver]: Analyzing ICFG 09-regions_24-evilcollapse_nr.i [2025-02-08 05:33:00,943 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:33:00,944 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 09-regions_24-evilcollapse_nr.i that has 2 procedures, 276 locations, 1 initial locations, 4 loop locations, and 16 error locations. [2025-02-08 05:33:00,944 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:33:01,033 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 05:33:01,041 INFO L158 Benchmark]: Toolchain (without parser) took 2026.19ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 82.7MB in the end (delta: 7.8MB). Peak memory consumption was 64.9MB. Max. memory is 16.1GB. [2025-02-08 05:33:01,042 INFO L158 Benchmark]: CDTParser took 2.33ms. Allocated memory is still 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:33:01,042 INFO L158 Benchmark]: CACSL2BoogieTranslator took 758.17ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 56.3MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 05:33:01,043 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.87ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 51.9MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:33:01,043 INFO L158 Benchmark]: Boogie Preprocessor took 46.85ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 48.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:33:01,044 INFO L158 Benchmark]: IcfgBuilder took 1021.32ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 50.2MB in the end (delta: -2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2025-02-08 05:33:01,044 INFO L158 Benchmark]: TraceAbstraction took 118.50ms. Allocated memory is still 117.4MB. Free memory was 49.5MB in the beginning and 82.7MB in the end (delta: -33.3MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2025-02-08 05:33:01,047 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.33ms. Allocated memory is still 83.9MB. Free memory is still 62.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 758.17ms. Allocated memory is still 117.4MB. Free memory was 90.3MB in the beginning and 56.3MB in the end (delta: 34.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.87ms. Allocated memory is still 117.4MB. Free memory was 56.3MB in the beginning and 51.9MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.85ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 48.0MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 1021.32ms. Allocated memory is still 117.4MB. Free memory was 48.0MB in the beginning and 50.2MB in the end (delta: -2.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 118.50ms. Allocated memory is still 117.4MB. Free memory was 49.5MB in the beginning and 82.7MB in the end (delta: -33.3MB). Peak memory consumption was 25.1MB. 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 05:33:01,067 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