./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.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/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.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 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:36:50,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:36:50,820 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2025-02-08 05:36:50,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:36:50,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:36:50,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:36:50,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:36:50,839 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:36:50,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:36:50,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:36:50,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:36:50,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:36:50,840 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:36:50,840 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:36:50,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:36:50,841 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:36:50,841 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 -> 6883737711af32a6a824eca7af237353e2fdaf7712a6b3c22083c0d47b565ee7 [2025-02-08 05:36:51,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:36:51,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:36:51,112 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:36:51,113 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:36:51,113 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:36:51,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2025-02-08 05:36:52,271 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bad1680b4/bb91bf4936dd4aaea0d332e380d2692e/FLAG64a14ed8e [2025-02-08 05:36:52,607 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:36:52,607 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2025-02-08 05:36:52,622 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bad1680b4/bb91bf4936dd4aaea0d332e380d2692e/FLAG64a14ed8e [2025-02-08 05:36:52,848 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bad1680b4/bb91bf4936dd4aaea0d332e380d2692e [2025-02-08 05:36:52,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:36:52,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:36:52,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:36:52,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:36:52,857 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:36:52,858 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:36:52" (1/1) ... [2025-02-08 05:36:52,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73d0155c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:52, skipping insertion in model container [2025-02-08 05:36:52,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:36:52" (1/1) ... [2025-02-08 05:36:52,882 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:36:53,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:36:53,157 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:36:53,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:36:53,213 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:36:53,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53 WrapperNode [2025-02-08 05:36:53,215 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:36:53,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:36:53,216 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:36:53,216 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:36:53,220 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,228 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,243 INFO L138 Inliner]: procedures = 165, calls = 47, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 198 [2025-02-08 05:36:53,243 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:36:53,244 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:36:53,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:36:53,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:36:53,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,251 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,255 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,257 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:36:53,264 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:36:53,264 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:36:53,264 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:36:53,265 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (1/1) ... [2025-02-08 05:36:53,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:36:53,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:36:53,295 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 05:36:53,300 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 05:36:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-08 05:36:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:36:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-02-08 05:36:53,316 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-02-08 05:36:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-08 05:36:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-08 05:36:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:36:53,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:36:53,319 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 05:36:53,437 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:36:53,438 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746: assume #race~i~0 == main_#t~nondet27#1; [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746: assume !(#race~i~0 == main_#t~nondet27#1); [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-1: havoc main_#t~nondet27#1; [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-2: #race~i~0 := main_#t~nondet27#1; [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-3: havoc main_#t~nondet27#1; [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L746-4: ~i~0 := 3; [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L747: havoc main_#t~ret28#1; [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L747-1: [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L747-2: SUMMARY for call main_#t~ret28#1 := #PthreadsMutexUnlock(~#C~0.base, ~#C~0.offset); srcloc: null [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L747-3: [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739: havoc main_#t~nondet20#1; [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-1: assume #race~h~0 == main_#t~nondet20#1; [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-1: assume !(#race~h~0 == main_#t~nondet20#1); [2025-02-08 05:36:53,597 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-2: havoc main_#t~ret19#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-3: #race~h~0 := main_#t~nondet20#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-4: havoc main_#t~nondet20#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-5: ~h~0 := main_#t~ret19#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-6: assume { :end_inline_plus } true;assume -2147483648 <= main_#t~ret19#1 && main_#t~ret19#1 <= 2147483647; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-7: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-8: havoc plus_~a#1, plus_~b#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L739-9: main_#t~ret19#1 := plus_#res#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740: havoc main_#t~ret21#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-1: [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-2: SUMMARY for call main_#t~ret21#1 := #PthreadsMutexUnlock(~#A~0.base, ~#A~0.offset); srcloc: null [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L740-3: [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L732: havoc main_~id~0#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741: havoc main_#t~ret22#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-1: [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-2: SUMMARY for call main_#t~ret22#1 := #PthreadsMutexLock(~#A~0.base, ~#A~0.offset); srcloc: null [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L741-3: [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742: assume #race~h~0 == main_#t~nondet23#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742: assume !(#race~h~0 == main_#t~nondet23#1); [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-1: havoc main_#t~nondet23#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-2: #race~h~0 := main_#t~nondet23#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-3: havoc main_#t~nondet23#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L742-4: ~h~0 := main_~x~1#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743: havoc main_#t~ret24#1; [2025-02-08 05:36:53,598 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-1: [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-2: SUMMARY for call main_#t~ret24#1 := #PthreadsMutexUnlock(~#A~0.base, ~#A~0.offset); srcloc: null [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L743-3: [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744: havoc main_#t~ret25#1; [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-1: [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-2: SUMMARY for call main_#t~ret25#1 := #PthreadsMutexUnlock(~#B~0.base, ~#B~0.offset); srcloc: null [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L744-3: [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745: havoc main_#t~ret26#1; [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745-1: [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745-2: SUMMARY for call main_#t~ret26#1 := #PthreadsMutexLock(~#C~0.base, ~#C~0.offset); srcloc: null [2025-02-08 05:36:53,599 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L745-3: [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L19: assume { :end_inline_reach_error } true;assume false; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L19-1: havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L19-2: assume 0 == __VERIFIER_assert_~cond#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L19-2: assume !(0 == __VERIFIER_assert_~cond#1); [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L19-3: assume { :begin_inline_reach_error } true;havoc reach_error_#t~nondet0#1.base, reach_error_#t~nondet0#1.offset; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L19-4: __VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722: havoc #t~nondet9#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-1: assume #race~i~0 == #t~nondet9#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-1: assume !(#race~i~0 == #t~nondet9#1); [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-2: havoc #t~ret8#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-3: #race~i~0 := #t~nondet9#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-4: havoc #t~nondet9#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-5: ~i~0 := #t~ret8#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-6: assume { :end_inline_plus } true;assume -2147483648 <= #t~ret8#1 && #t~ret8#1 <= 2147483647; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-7: havoc plus_#in~a#1, plus_#in~b#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-8: havoc plus_~a#1, plus_~b#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L722-9: #t~ret8#1 := plus_#res#1; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723: assume 0 == #race~i~0; [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723: assume !(0 == #race~i~0); [2025-02-08 05:36:53,664 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-1: ~z~0#1 := ~i~0; [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L723-2: #race~i~0 := 0; [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L724: havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true; [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-1: havoc __VERIFIER_assert_~cond#1; [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-2: havoc __VERIFIER_assert_~cond#1; [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L724-3: assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if ~z~0#1 >= ~x~0#1 then 1 else 0); [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L725: havoc #t~ret10#1; [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-1: [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-2: SUMMARY for call #t~ret10#1 := #PthreadsMutexUnlock(~#A~0.base, ~#A~0.offset); srcloc: null [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L725-3: [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726: havoc #t~ret11#1; [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726-1: [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726-2: SUMMARY for call #t~ret11#1 := #PthreadsMutexUnlock(~#C~0.base, ~#C~0.offset); srcloc: null [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L726-3: [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: assume false; [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: assume !false; [2025-02-08 05:36:53,665 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L18-1: assume false; [2025-02-08 05:36:53,666 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-08 05:36:53,666 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:36:53,685 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:36:53,685 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:36:53,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:36:53 BoogieIcfgContainer [2025-02-08 05:36:53,686 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:36:53,687 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:36:53,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:36:53,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:36:53,690 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:36:52" (1/3) ... [2025-02-08 05:36:53,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362389b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:36:53, skipping insertion in model container [2025-02-08 05:36:53,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:36:53" (2/3) ... [2025-02-08 05:36:53,691 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@362389b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:36:53, skipping insertion in model container [2025-02-08 05:36:53,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:36:53" (3/3) ... [2025-02-08 05:36:53,692 INFO L128 eAbstractionObserver]: Analyzing ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i [2025-02-08 05:36:53,701 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:36:53,702 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 36-apron_22-traces-write-centered-vs-meet-mutex_true_no-overflow.i that has 2 procedures, 162 locations, 1 initial locations, 0 loop locations, and 9 error locations. [2025-02-08 05:36:53,702 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-08 05:36:53,745 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-02-08 05:36:53,767 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 165 places, 169 transitions, 342 flow [2025-02-08 05:36:53,809 INFO L124 PetriNetUnfolderBase]: 8/168 cut-off events. [2025-02-08 05:36:53,811 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:36:53,816 INFO L83 FinitePrefix]: Finished finitePrefix Result has 172 conditions, 168 events. 8/168 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 156 event pairs, 0 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 121. Up to 2 conditions per place. [2025-02-08 05:36:53,817 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 169 transitions, 342 flow [2025-02-08 05:36:53,820 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 159 places, 163 transitions, 329 flow [2025-02-08 05:36:53,825 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:36:53,833 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2c7b0aad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:36:53,833 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-02-08 05:36:53,845 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-08 05:36:53,845 INFO L124 PetriNetUnfolderBase]: 0/61 cut-off events. [2025-02-08 05:36:53,845 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:36:53,845 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:36:53,846 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:36:53,846 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-02-08 05:36:53,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:36:53,850 INFO L85 PathProgramCache]: Analyzing trace with hash -664696953, now seen corresponding path program 1 times [2025-02-08 05:36:53,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:36:53,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980569165] [2025-02-08 05:36:53,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:36:53,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:36:53,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-02-08 05:36:53,946 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-02-08 05:36:53,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:36:53,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:36:54,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:36:54,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:36:54,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980569165] [2025-02-08 05:36:54,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980569165] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:36:54,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:36:54,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:36:54,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276415986] [2025-02-08 05:36:54,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:36:54,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:36:54,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:36:54,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:36:54,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:36:54,061 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 145 out of 169 [2025-02-08 05:36:54,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 159 places, 163 transitions, 329 flow. Second operand has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:54,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:36:54,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 145 of 169 [2025-02-08 05:36:54,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:36:54,129 INFO L124 PetriNetUnfolderBase]: 24/335 cut-off events. [2025-02-08 05:36:54,129 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-02-08 05:36:54,130 INFO L83 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 335 events. 24/335 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1157 event pairs, 16 based on Foata normal form. 27/324 useless extension candidates. Maximal degree in co-relation 351. Up to 43 conditions per place. [2025-02-08 05:36:54,132 INFO L140 encePairwiseOnDemand]: 158/169 looper letters, 14 selfloop transitions, 2 changer transitions 0/154 dead transitions. [2025-02-08 05:36:54,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 154 transitions, 343 flow [2025-02-08 05:36:54,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:36:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:36:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 466 transitions. [2025-02-08 05:36:54,141 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9191321499013807 [2025-02-08 05:36:54,142 INFO L175 Difference]: Start difference. First operand has 159 places, 163 transitions, 329 flow. Second operand 3 states and 466 transitions. [2025-02-08 05:36:54,142 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 154 transitions, 343 flow [2025-02-08 05:36:54,145 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 154 transitions, 342 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-08 05:36:54,148 INFO L231 Difference]: Finished difference. Result has 155 places, 150 transitions, 306 flow [2025-02-08 05:36:54,151 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=306, PETRI_PLACES=155, PETRI_TRANSITIONS=150} [2025-02-08 05:36:54,154 INFO L279 CegarLoopForPetriNet]: 159 programPoint places, -4 predicate places. [2025-02-08 05:36:54,154 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 150 transitions, 306 flow [2025-02-08 05:36:54,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 147.33333333333334) internal successors, (442), 3 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:54,154 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:36:54,154 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:36:54,155 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 05:36:54,155 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-02-08 05:36:54,155 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:36:54,155 INFO L85 PathProgramCache]: Analyzing trace with hash -1852237404, now seen corresponding path program 1 times [2025-02-08 05:36:54,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:36:54,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194916283] [2025-02-08 05:36:54,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:36:54,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:36:54,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 57 statements into 1 equivalence classes. [2025-02-08 05:36:54,175 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 57 of 57 statements. [2025-02-08 05:36:54,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:36:54,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:36:54,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:36:54,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:36:54,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194916283] [2025-02-08 05:36:54,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194916283] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:36:54,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:36:54,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:36:54,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323311011] [2025-02-08 05:36:54,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:36:54,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:36:54,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:36:54,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:36:54,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:36:54,246 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 169 [2025-02-08 05:36:54,247 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 150 transitions, 306 flow. Second operand has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:54,247 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:36:54,247 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 169 [2025-02-08 05:36:54,247 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:36:54,318 INFO L124 PetriNetUnfolderBase]: 36/458 cut-off events. [2025-02-08 05:36:54,318 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-08 05:36:54,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 563 conditions, 458 events. 36/458 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 2074 event pairs, 22 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 514. Up to 66 conditions per place. [2025-02-08 05:36:54,320 INFO L140 encePairwiseOnDemand]: 164/169 looper letters, 15 selfloop transitions, 4 changer transitions 5/157 dead transitions. [2025-02-08 05:36:54,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 157 transitions, 362 flow [2025-02-08 05:36:54,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:36:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:36:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 454 transitions. [2025-02-08 05:36:54,323 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8954635108481263 [2025-02-08 05:36:54,323 INFO L175 Difference]: Start difference. First operand has 155 places, 150 transitions, 306 flow. Second operand 3 states and 454 transitions. [2025-02-08 05:36:54,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 157 transitions, 362 flow [2025-02-08 05:36:54,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 157 transitions, 358 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:36:54,328 INFO L231 Difference]: Finished difference. Result has 157 places, 150 transitions, 326 flow [2025-02-08 05:36:54,328 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=157, PETRI_TRANSITIONS=150} [2025-02-08 05:36:54,328 INFO L279 CegarLoopForPetriNet]: 159 programPoint places, -2 predicate places. [2025-02-08 05:36:54,329 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 150 transitions, 326 flow [2025-02-08 05:36:54,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.33333333333334) internal successors, (439), 3 states have internal predecessors, (439), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:54,329 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:36:54,329 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:36:54,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 05:36:54,329 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-02-08 05:36:54,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:36:54,330 INFO L85 PathProgramCache]: Analyzing trace with hash -939244865, now seen corresponding path program 1 times [2025-02-08 05:36:54,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:36:54,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53398319] [2025-02-08 05:36:54,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:36:54,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:36:54,341 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes. [2025-02-08 05:36:54,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements. [2025-02-08 05:36:54,352 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:36:54,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:36:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:36:54,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:36:54,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53398319] [2025-02-08 05:36:54,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53398319] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:36:54,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:36:54,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:36:54,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460333834] [2025-02-08 05:36:54,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:36:54,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:36:54,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:36:54,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:36:54,408 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:36:54,455 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 169 [2025-02-08 05:36:54,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 150 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:54,456 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:36:54,456 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 169 [2025-02-08 05:36:54,456 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:36:54,531 INFO L124 PetriNetUnfolderBase]: 18/619 cut-off events. [2025-02-08 05:36:54,531 INFO L125 PetriNetUnfolderBase]: For 28/31 co-relation queries the response was YES. [2025-02-08 05:36:54,534 INFO L83 FinitePrefix]: Finished finitePrefix Result has 734 conditions, 619 events. 18/619 cut-off events. For 28/31 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 3247 event pairs, 6 based on Foata normal form. 0/566 useless extension candidates. Maximal degree in co-relation 685. Up to 35 conditions per place. [2025-02-08 05:36:54,537 INFO L140 encePairwiseOnDemand]: 165/169 looper letters, 12 selfloop transitions, 4 changer transitions 2/156 dead transitions. [2025-02-08 05:36:54,537 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 156 transitions, 378 flow [2025-02-08 05:36:54,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:36:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:36:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 462 transitions. [2025-02-08 05:36:54,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9112426035502958 [2025-02-08 05:36:54,539 INFO L175 Difference]: Start difference. First operand has 157 places, 150 transitions, 326 flow. Second operand 3 states and 462 transitions. [2025-02-08 05:36:54,539 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 156 transitions, 378 flow [2025-02-08 05:36:54,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 156 transitions, 368 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:36:54,545 INFO L231 Difference]: Finished difference. Result has 156 places, 152 transitions, 346 flow [2025-02-08 05:36:54,545 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=318, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=346, PETRI_PLACES=156, PETRI_TRANSITIONS=152} [2025-02-08 05:36:54,548 INFO L279 CegarLoopForPetriNet]: 159 programPoint places, -3 predicate places. [2025-02-08 05:36:54,548 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 152 transitions, 346 flow [2025-02-08 05:36:54,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 149.66666666666666) internal successors, (449), 3 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:54,549 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:36:54,549 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:36:54,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 05:36:54,549 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-02-08 05:36:54,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:36:54,550 INFO L85 PathProgramCache]: Analyzing trace with hash 668597178, now seen corresponding path program 1 times [2025-02-08 05:36:54,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:36:54,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565899499] [2025-02-08 05:36:54,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:36:54,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:36:54,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-02-08 05:36:54,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-02-08 05:36:54,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:36:54,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:36:54,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:36:54,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:36:54,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565899499] [2025-02-08 05:36:54,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565899499] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:36:54,625 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:36:54,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 05:36:54,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370677687] [2025-02-08 05:36:54,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:36:54,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 05:36:54,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:36:54,626 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 05:36:54,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 05:36:54,628 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 169 [2025-02-08 05:36:54,629 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 152 transitions, 346 flow. Second operand has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:54,629 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:36:54,629 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 169 [2025-02-08 05:36:54,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:36:54,687 INFO L124 PetriNetUnfolderBase]: 14/556 cut-off events. [2025-02-08 05:36:54,687 INFO L125 PetriNetUnfolderBase]: For 18/20 co-relation queries the response was YES. [2025-02-08 05:36:54,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 657 conditions, 556 events. 14/556 cut-off events. For 18/20 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 2732 event pairs, 4 based on Foata normal form. 0/513 useless extension candidates. Maximal degree in co-relation 607. Up to 36 conditions per place. [2025-02-08 05:36:54,689 INFO L140 encePairwiseOnDemand]: 167/169 looper letters, 8 selfloop transitions, 1 changer transitions 5/153 dead transitions. [2025-02-08 05:36:54,689 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 153 transitions, 370 flow [2025-02-08 05:36:54,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 05:36:54,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-08 05:36:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 459 transitions. [2025-02-08 05:36:54,693 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9053254437869822 [2025-02-08 05:36:54,693 INFO L175 Difference]: Start difference. First operand has 156 places, 152 transitions, 346 flow. Second operand 3 states and 459 transitions. [2025-02-08 05:36:54,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 153 transitions, 370 flow [2025-02-08 05:36:54,694 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 153 transitions, 362 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-08 05:36:54,696 INFO L231 Difference]: Finished difference. Result has 155 places, 148 transitions, 326 flow [2025-02-08 05:36:54,696 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=336, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=150, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=155, PETRI_TRANSITIONS=148} [2025-02-08 05:36:54,696 INFO L279 CegarLoopForPetriNet]: 159 programPoint places, -4 predicate places. [2025-02-08 05:36:54,696 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 148 transitions, 326 flow [2025-02-08 05:36:54,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 150.66666666666666) internal successors, (452), 3 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:54,697 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-08 05:36:54,697 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 05:36:54,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 05:36:54,697 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-02-08 05:36:54,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 05:36:54,697 INFO L85 PathProgramCache]: Analyzing trace with hash 642730475, now seen corresponding path program 1 times [2025-02-08 05:36:54,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 05:36:54,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066345057] [2025-02-08 05:36:54,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 05:36:54,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 05:36:54,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 76 statements into 1 equivalence classes. [2025-02-08 05:36:54,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 76 of 76 statements. [2025-02-08 05:36:54,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 05:36:54,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 05:36:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 05:36:54,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 05:36:54,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066345057] [2025-02-08 05:36:54,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066345057] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 05:36:54,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 05:36:54,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-02-08 05:36:54,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487463799] [2025-02-08 05:36:54,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 05:36:54,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 05:36:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 05:36:54,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 05:36:54,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-02-08 05:36:55,021 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 169 [2025-02-08 05:36:55,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 148 transitions, 326 flow. Second operand has 6 states, 6 states have (on average 151.16666666666666) internal successors, (907), 6 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:55,022 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-08 05:36:55,022 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 169 [2025-02-08 05:36:55,022 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-08 05:36:55,075 INFO L124 PetriNetUnfolderBase]: 5/203 cut-off events. [2025-02-08 05:36:55,075 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-08 05:36:55,075 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 203 events. 5/203 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 331 event pairs, 1 based on Foata normal form. 4/196 useless extension candidates. Maximal degree in co-relation 189. Up to 12 conditions per place. [2025-02-08 05:36:55,076 INFO L140 encePairwiseOnDemand]: 165/169 looper letters, 0 selfloop transitions, 0 changer transitions 146/146 dead transitions. [2025-02-08 05:36:55,076 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 146 transitions, 332 flow [2025-02-08 05:36:55,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 05:36:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-08 05:36:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 763 transitions. [2025-02-08 05:36:55,078 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.9029585798816568 [2025-02-08 05:36:55,078 INFO L175 Difference]: Start difference. First operand has 155 places, 148 transitions, 326 flow. Second operand 5 states and 763 transitions. [2025-02-08 05:36:55,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 146 transitions, 332 flow [2025-02-08 05:36:55,081 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 146 transitions, 317 flow, removed 4 selfloop flow, removed 5 redundant places. [2025-02-08 05:36:55,082 INFO L231 Difference]: Finished difference. Result has 152 places, 0 transitions, 0 flow [2025-02-08 05:36:55,082 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=169, PETRI_DIFFERENCE_MINUEND_FLOW=291, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=152, PETRI_TRANSITIONS=0} [2025-02-08 05:36:55,083 INFO L279 CegarLoopForPetriNet]: 159 programPoint places, -7 predicate places. [2025-02-08 05:36:55,083 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 0 transitions, 0 flow [2025-02-08 05:36:55,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 151.16666666666666) internal successors, (907), 6 states have internal predecessors, (907), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 05:36:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2025-02-08 05:36:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2025-02-08 05:36:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-02-08 05:36:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2025-02-08 05:36:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2025-02-08 05:36:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2025-02-08 05:36:55,087 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2025-02-08 05:36:55,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 05:36:55,088 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-02-08 05:36:55,093 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-08 05:36:55,093 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:36:55,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:36:55 BasicIcfg [2025-02-08 05:36:55,097 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:36:55,097 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:36:55,097 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:36:55,097 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:36:55,100 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:36:53" (3/4) ... [2025-02-08 05:36:55,101 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:36:55,103 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure t_fun [2025-02-08 05:36:55,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-08 05:36:55,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 05:36:55,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 05:36:55,106 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:36:55,160 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:36:55,161 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:36:55,161 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:36:55,162 INFO L158 Benchmark]: Toolchain (without parser) took 2308.40ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 109.2MB in the beginning and 264.3MB in the end (delta: -155.1MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2025-02-08 05:36:55,162 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:36:55,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.38ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 87.9MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:36:55,163 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.59ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 86.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:36:55,163 INFO L158 Benchmark]: Boogie Preprocessor took 19.87ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 84.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:36:55,163 INFO L158 Benchmark]: IcfgBuilder took 421.64ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 62.0MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-08 05:36:55,163 INFO L158 Benchmark]: TraceAbstraction took 1409.36ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 61.2MB in the beginning and 270.6MB in the end (delta: -209.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:36:55,164 INFO L158 Benchmark]: Witness Printer took 63.44ms. Allocated memory is still 343.9MB. Free memory was 270.6MB in the beginning and 264.3MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:36:55,165 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 148.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.38ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 87.9MB in the end (delta: 20.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.59ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 86.2MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.87ms. Allocated memory is still 142.6MB. Free memory was 86.2MB in the beginning and 84.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 421.64ms. Allocated memory is still 142.6MB. Free memory was 84.5MB in the beginning and 62.0MB in the end (delta: 22.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1409.36ms. Allocated memory was 142.6MB in the beginning and 343.9MB in the end (delta: 201.3MB). Free memory was 61.2MB in the beginning and 270.6MB in the end (delta: -209.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.44ms. Allocated memory is still 343.9MB. Free memory was 270.6MB in the beginning and 264.3MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 737]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 738]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 716]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 717]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 239 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 185 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 23 mSDtfsCounter, 185 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=346occurred in iteration=3, InterpolantAutomatonStates: 17, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 312 NumberOfCodeBlocks, 312 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 307 ConstructedInterpolants, 0 QuantifiedInterpolants, 508 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:36:55,181 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 Writing output log to file Ultimate.log Result: TRUE