./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c00e63dc 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 12:52:24,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 12:52:24,077 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2025-02-06 12:52:24,084 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 12:52:24,084 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 12:52:24,106 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 12:52:24,107 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 12:52:24,107 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 12:52:24,107 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 12:52:24,107 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 12:52:24,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 12:52:24,108 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 12:52:24,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 12:52:24,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 12:52:24,109 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 12:52:24,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 12:52:24,109 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 12:52:24,109 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 12:52:24,109 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 12:52:24,110 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 12:52:24,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 12:52:24,111 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 12:52:24,111 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 12:52:24,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:52:24,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 12:52:24,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 12:52:24,111 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 12:52:24,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 12:52:24,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 12:52:24,112 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 12:52:24,112 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 12:52:24,112 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 12:52:24,112 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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> a9552a698db9701543deeff63aa990ab8fc4764b65dba5035623425bdf77554d [2025-02-06 12:52:24,443 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 12:52:24,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 12:52:24,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 12:52:24,452 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 12:52:24,453 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 12:52:24,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2025-02-06 12:52:25,752 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2393b3b37/d718f7da81b4442bbc952dc5f692a5b7/FLAGbcc990c81 [2025-02-06 12:52:26,101 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 12:52:26,102 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/ldv-races/race-4_1-thread_local_vars.i [2025-02-06 12:52:26,123 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2393b3b37/d718f7da81b4442bbc952dc5f692a5b7/FLAGbcc990c81 [2025-02-06 12:52:26,345 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/2393b3b37/d718f7da81b4442bbc952dc5f692a5b7 [2025-02-06 12:52:26,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 12:52:26,351 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 12:52:26,353 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 12:52:26,353 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 12:52:26,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 12:52:26,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:52:26" (1/1) ... [2025-02-06 12:52:26,362 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@659b9ad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:26, skipping insertion in model container [2025-02-06 12:52:26,362 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 12:52:26" (1/1) ... [2025-02-06 12:52:26,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 12:52:26,880 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:52:26,892 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 12:52:26,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 12:52:27,053 INFO L204 MainTranslator]: Completed translation [2025-02-06 12:52:27,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27 WrapperNode [2025-02-06 12:52:27,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 12:52:27,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 12:52:27,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 12:52:27,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 12:52:27,064 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,089 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,109 INFO L138 Inliner]: procedures = 487, calls = 37, calls flagged for inlining = 16, calls inlined = 21, statements flattened = 209 [2025-02-06 12:52:27,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 12:52:27,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 12:52:27,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 12:52:27,110 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 12:52:27,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,121 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,153 INFO L175 MemorySlicer]: Split 9 memory accesses to 4 slices as follows [2, 1, 5, 1]. 56 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 5, 0]. The 2 writes are split as follows [0, 1, 0, 1]. [2025-02-06 12:52:27,154 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,181 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 12:52:27,210 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 12:52:27,210 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 12:52:27,210 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 12:52:27,210 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (1/1) ... [2025-02-06 12:52:27,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 12:52:27,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 12:52:27,248 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) [2025-02-06 12:52:27,250 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 [2025-02-06 12:52:27,272 INFO L130 BoogieDeclarations]: Found specification of procedure thread_usb [2025-02-06 12:52:27,273 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_usb [2025-02-06 12:52:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 12:52:27,273 INFO L130 BoogieDeclarations]: Found specification of procedure thread_ath9k [2025-02-06 12:52:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_ath9k [2025-02-06 12:52:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-02-06 12:52:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 12:52:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 12:52:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 12:52:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 12:52:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-06 12:52:27,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 12:52:27,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 12:52:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 12:52:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-02-06 12:52:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 12:52:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 12:52:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 12:52:27,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-06 12:52:27,277 WARN L227 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-02-06 12:52:27,540 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 12:52:27,542 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 12:52:27,700 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1724: havoc ieee80211_deregister_hw_~#status~0#1.base, ieee80211_deregister_hw_~#status~0#1.offset; [2025-02-06 12:52:27,700 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L1724-1: SUMMARY for call ULTIMATE.dealloc(ieee80211_deregister_hw_~#status~0#1.base, ieee80211_deregister_hw_~#status~0#1.offset); srcloc: null [2025-02-06 12:52:27,817 INFO L304 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-02-06 12:52:27,818 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 12:52:27,961 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 12:52:27,961 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 12:52:27,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:52:27 BoogieIcfgContainer [2025-02-06 12:52:27,961 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 12:52:27,963 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 12:52:27,964 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 12:52:27,967 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 12:52:27,967 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 12:52:26" (1/3) ... [2025-02-06 12:52:27,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afa054d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:52:27, skipping insertion in model container [2025-02-06 12:52:27,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 12:52:27" (2/3) ... [2025-02-06 12:52:27,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@afa054d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 12:52:27, skipping insertion in model container [2025-02-06 12:52:27,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:52:27" (3/3) ... [2025-02-06 12:52:27,969 INFO L128 eAbstractionObserver]: Analyzing ICFG race-4_1-thread_local_vars.i [2025-02-06 12:52:27,980 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 12:52:27,983 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG race-4_1-thread_local_vars.i that has 3 procedures, 81 locations, 1 initial locations, 2 loop locations, and 11 error locations. [2025-02-06 12:52:27,984 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-02-06 12:52:28,046 INFO L143 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2025-02-06 12:52:28,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 119 places, 152 transitions, 331 flow [2025-02-06 12:52:28,125 INFO L124 PetriNetUnfolderBase]: 36/156 cut-off events. [2025-02-06 12:52:28,129 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2025-02-06 12:52:28,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 167 conditions, 156 events. 36/156 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 489 event pairs, 0 based on Foata normal form. 0/98 useless extension candidates. Maximal degree in co-relation 107. Up to 11 conditions per place. [2025-02-06 12:52:28,133 INFO L82 GeneralOperation]: Start removeDead. Operand has 119 places, 152 transitions, 331 flow [2025-02-06 12:52:28,137 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 86 places, 106 transitions, 228 flow [2025-02-06 12:52:28,144 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 12:52:28,160 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=None, 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;@2ba463d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 12:52:28,161 INFO L334 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2025-02-06 12:52:28,164 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-02-06 12:52:28,164 INFO L124 PetriNetUnfolderBase]: 2/10 cut-off events. [2025-02-06 12:52:28,165 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-02-06 12:52:28,165 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:28,165 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2025-02-06 12:52:28,166 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:28,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:28,170 INFO L85 PathProgramCache]: Analyzing trace with hash 16418843, now seen corresponding path program 1 times [2025-02-06 12:52:28,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:28,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643299062] [2025-02-06 12:52:28,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:28,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:28,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-06 12:52:28,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-06 12:52:28,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:28,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:28,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:28,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:28,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643299062] [2025-02-06 12:52:28,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643299062] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:28,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:28,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 12:52:28,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102123403] [2025-02-06 12:52:28,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:28,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:52:28,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:28,606 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:52:28,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:52:28,618 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 152 [2025-02-06 12:52:28,622 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 106 transitions, 228 flow. Second operand has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2025-02-06 12:52:28,622 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:28,622 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 152 [2025-02-06 12:52:28,623 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:29,081 INFO L124 PetriNetUnfolderBase]: 2021/3758 cut-off events. [2025-02-06 12:52:29,082 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2025-02-06 12:52:29,094 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6828 conditions, 3758 events. 2021/3758 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 25124 event pairs, 1646 based on Foata normal form. 321/3593 useless extension candidates. Maximal degree in co-relation 6486. Up to 2973 conditions per place. [2025-02-06 12:52:29,109 INFO L140 encePairwiseOnDemand]: 135/152 looper letters, 54 selfloop transitions, 6 changer transitions 0/88 dead transitions. [2025-02-06 12:52:29,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 88 transitions, 312 flow [2025-02-06 12:52:29,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:52:29,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:52:29,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 233 transitions. [2025-02-06 12:52:29,132 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5109649122807017 [2025-02-06 12:52:29,133 INFO L175 Difference]: Start difference. First operand has 86 places, 106 transitions, 228 flow. Second operand 3 states and 233 transitions. [2025-02-06 12:52:29,133 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 88 transitions, 312 flow [2025-02-06 12:52:29,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 88 transitions, 308 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 12:52:29,143 INFO L231 Difference]: Finished difference. Result has 71 places, 77 transitions, 178 flow [2025-02-06 12:52:29,145 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=178, PETRI_PLACES=71, PETRI_TRANSITIONS=77} [2025-02-06 12:52:29,148 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -15 predicate places. [2025-02-06 12:52:29,149 INFO L471 AbstractCegarLoop]: Abstraction has has 71 places, 77 transitions, 178 flow [2025-02-06 12:52:29,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.666666666666664) internal successors, (161), 3 states have internal predecessors, (161), 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) [2025-02-06 12:52:29,149 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:29,149 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:29,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 12:52:29,150 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:29,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:29,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1504700196, now seen corresponding path program 1 times [2025-02-06 12:52:29,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:29,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117928530] [2025-02-06 12:52:29,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:29,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:29,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 12:52:29,192 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 12:52:29,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:29,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:29,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:29,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:29,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117928530] [2025-02-06 12:52:29,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117928530] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:29,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:29,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 12:52:29,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783238362] [2025-02-06 12:52:29,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:29,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 12:52:29,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:29,297 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 12:52:29,297 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 12:52:29,298 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 56 out of 152 [2025-02-06 12:52:29,298 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 77 transitions, 178 flow. Second operand has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 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) [2025-02-06 12:52:29,298 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:29,298 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 152 [2025-02-06 12:52:29,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:29,906 INFO L124 PetriNetUnfolderBase]: 1295/2395 cut-off events. [2025-02-06 12:52:29,906 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2025-02-06 12:52:29,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4487 conditions, 2395 events. 1295/2395 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 14646 event pairs, 383 based on Foata normal form. 0/2222 useless extension candidates. Maximal degree in co-relation 4244. Up to 1159 conditions per place. [2025-02-06 12:52:29,920 INFO L140 encePairwiseOnDemand]: 148/152 looper letters, 108 selfloop transitions, 3 changer transitions 2/144 dead transitions. [2025-02-06 12:52:29,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 144 transitions, 556 flow [2025-02-06 12:52:29,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 12:52:29,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 12:52:29,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 338 transitions. [2025-02-06 12:52:29,922 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.555921052631579 [2025-02-06 12:52:29,922 INFO L175 Difference]: Start difference. First operand has 71 places, 77 transitions, 178 flow. Second operand 4 states and 338 transitions. [2025-02-06 12:52:29,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 144 transitions, 556 flow [2025-02-06 12:52:29,925 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 144 transitions, 544 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 12:52:29,929 INFO L231 Difference]: Finished difference. Result has 74 places, 78 transitions, 183 flow [2025-02-06 12:52:29,929 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=166, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=183, PETRI_PLACES=74, PETRI_TRANSITIONS=78} [2025-02-06 12:52:29,930 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -12 predicate places. [2025-02-06 12:52:29,930 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 78 transitions, 183 flow [2025-02-06 12:52:29,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.75) internal successors, (231), 4 states have internal predecessors, (231), 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) [2025-02-06 12:52:29,931 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:29,931 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:29,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 12:52:29,932 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:29,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:29,932 INFO L85 PathProgramCache]: Analyzing trace with hash -878881833, now seen corresponding path program 1 times [2025-02-06 12:52:29,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:29,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508259774] [2025-02-06 12:52:29,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:29,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:29,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-06 12:52:29,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-06 12:52:29,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:29,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:30,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:30,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508259774] [2025-02-06 12:52:30,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508259774] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:30,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:30,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-06 12:52:30,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560709969] [2025-02-06 12:52:30,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:30,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:52:30,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:30,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:52:30,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:52:30,034 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:30,035 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 78 transitions, 183 flow. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2025-02-06 12:52:30,035 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:30,035 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:30,035 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:30,321 INFO L124 PetriNetUnfolderBase]: 2329/4170 cut-off events. [2025-02-06 12:52:30,321 INFO L125 PetriNetUnfolderBase]: For 2902/2902 co-relation queries the response was YES. [2025-02-06 12:52:30,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9293 conditions, 4170 events. 2329/4170 cut-off events. For 2902/2902 co-relation queries the response was YES. Maximal size of possible extension queue 142. Compared 23781 event pairs, 1035 based on Foata normal form. 0/3831 useless extension candidates. Maximal degree in co-relation 4080. Up to 2197 conditions per place. [2025-02-06 12:52:30,342 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 70 selfloop transitions, 4 changer transitions 6/109 dead transitions. [2025-02-06 12:52:30,342 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 109 transitions, 417 flow [2025-02-06 12:52:30,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:52:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:52:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 244 transitions. [2025-02-06 12:52:30,346 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5350877192982456 [2025-02-06 12:52:30,346 INFO L175 Difference]: Start difference. First operand has 74 places, 78 transitions, 183 flow. Second operand 3 states and 244 transitions. [2025-02-06 12:52:30,346 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 109 transitions, 417 flow [2025-02-06 12:52:30,349 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 109 transitions, 415 flow, removed 0 selfloop flow, removed 1 redundant places. [2025-02-06 12:52:30,350 INFO L231 Difference]: Finished difference. Result has 76 places, 75 transitions, 194 flow [2025-02-06 12:52:30,351 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=182, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=76, PETRI_TRANSITIONS=75} [2025-02-06 12:52:30,351 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -10 predicate places. [2025-02-06 12:52:30,351 INFO L471 AbstractCegarLoop]: Abstraction has has 76 places, 75 transitions, 194 flow [2025-02-06 12:52:30,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2025-02-06 12:52:30,352 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:30,352 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:30,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 12:52:30,352 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_usbErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:30,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:30,352 INFO L85 PathProgramCache]: Analyzing trace with hash -985325208, now seen corresponding path program 1 times [2025-02-06 12:52:30,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:30,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599826800] [2025-02-06 12:52:30,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:30,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:30,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-06 12:52:30,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-06 12:52:30,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:30,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:30,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:30,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:30,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599826800] [2025-02-06 12:52:30,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599826800] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:30,460 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:30,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 12:52:30,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548067088] [2025-02-06 12:52:30,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:30,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:52:30,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:30,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:52:30,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:52:30,465 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2025-02-06 12:52:30,465 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 75 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2025-02-06 12:52:30,465 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:30,465 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2025-02-06 12:52:30,466 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:30,739 INFO L124 PetriNetUnfolderBase]: 2336/4120 cut-off events. [2025-02-06 12:52:30,739 INFO L125 PetriNetUnfolderBase]: For 3381/3381 co-relation queries the response was YES. [2025-02-06 12:52:30,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9856 conditions, 4120 events. 2336/4120 cut-off events. For 3381/3381 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 22567 event pairs, 1456 based on Foata normal form. 0/3784 useless extension candidates. Maximal degree in co-relation 4110. Up to 2917 conditions per place. [2025-02-06 12:52:30,759 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 56 selfloop transitions, 4 changer transitions 0/84 dead transitions. [2025-02-06 12:52:30,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 84 transitions, 351 flow [2025-02-06 12:52:30,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:52:30,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:52:30,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 221 transitions. [2025-02-06 12:52:30,760 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.48464912280701755 [2025-02-06 12:52:30,761 INFO L175 Difference]: Start difference. First operand has 76 places, 75 transitions, 194 flow. Second operand 3 states and 221 transitions. [2025-02-06 12:52:30,761 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 84 transitions, 351 flow [2025-02-06 12:52:30,763 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 84 transitions, 316 flow, removed 1 selfloop flow, removed 5 redundant places. [2025-02-06 12:52:30,765 INFO L231 Difference]: Finished difference. Result has 65 places, 69 transitions, 170 flow [2025-02-06 12:52:30,765 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=170, PETRI_PLACES=65, PETRI_TRANSITIONS=69} [2025-02-06 12:52:30,766 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2025-02-06 12:52:30,766 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 69 transitions, 170 flow [2025-02-06 12:52:30,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2025-02-06 12:52:30,766 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:30,767 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:30,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-06 12:52:30,767 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:30,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:30,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1275039753, now seen corresponding path program 1 times [2025-02-06 12:52:30,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:30,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147401793] [2025-02-06 12:52:30,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:30,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:30,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 12:52:30,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 12:52:30,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:30,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:30,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:30,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:30,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147401793] [2025-02-06 12:52:30,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147401793] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:30,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:30,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 12:52:30,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235138475] [2025-02-06 12:52:30,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:30,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:52:30,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:30,887 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:52:30,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:52:30,895 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:30,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 69 transitions, 170 flow. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2025-02-06 12:52:30,896 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:30,896 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:30,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:31,178 INFO L124 PetriNetUnfolderBase]: 2362/4298 cut-off events. [2025-02-06 12:52:31,178 INFO L125 PetriNetUnfolderBase]: For 608/614 co-relation queries the response was YES. [2025-02-06 12:52:31,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8502 conditions, 4298 events. 2362/4298 cut-off events. For 608/614 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 25205 event pairs, 1441 based on Foata normal form. 6/3936 useless extension candidates. Maximal degree in co-relation 3426. Up to 2855 conditions per place. [2025-02-06 12:52:31,194 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 71 selfloop transitions, 5 changer transitions 0/101 dead transitions. [2025-02-06 12:52:31,195 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 101 transitions, 406 flow [2025-02-06 12:52:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:52:31,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:52:31,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 240 transitions. [2025-02-06 12:52:31,196 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5263157894736842 [2025-02-06 12:52:31,196 INFO L175 Difference]: Start difference. First operand has 65 places, 69 transitions, 170 flow. Second operand 3 states and 240 transitions. [2025-02-06 12:52:31,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 101 transitions, 406 flow [2025-02-06 12:52:31,197 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 101 transitions, 390 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 12:52:31,202 INFO L231 Difference]: Finished difference. Result has 67 places, 71 transitions, 192 flow [2025-02-06 12:52:31,202 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=162, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=192, PETRI_PLACES=67, PETRI_TRANSITIONS=71} [2025-02-06 12:52:31,203 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -19 predicate places. [2025-02-06 12:52:31,204 INFO L471 AbstractCegarLoop]: Abstraction has has 67 places, 71 transitions, 192 flow [2025-02-06 12:52:31,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2025-02-06 12:52:31,204 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:31,204 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:31,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 12:52:31,204 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:31,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:31,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1617841350, now seen corresponding path program 1 times [2025-02-06 12:52:31,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:31,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327512864] [2025-02-06 12:52:31,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:31,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:31,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 12:52:31,227 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 12:52:31,227 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:31,227 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:31,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:31,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327512864] [2025-02-06 12:52:31,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327512864] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:31,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:31,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 12:52:31,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003142345] [2025-02-06 12:52:31,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:31,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:52:31,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:31,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:52:31,309 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:52:31,313 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:31,314 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 71 transitions, 192 flow. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2025-02-06 12:52:31,314 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:31,314 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:31,314 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:31,619 INFO L124 PetriNetUnfolderBase]: 2349/4259 cut-off events. [2025-02-06 12:52:31,619 INFO L125 PetriNetUnfolderBase]: For 1950/1960 co-relation queries the response was YES. [2025-02-06 12:52:31,623 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8909 conditions, 4259 events. 2349/4259 cut-off events. For 1950/1960 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 24822 event pairs, 1430 based on Foata normal form. 32/3938 useless extension candidates. Maximal degree in co-relation 5556. Up to 2489 conditions per place. [2025-02-06 12:52:31,633 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 72 selfloop transitions, 3 changer transitions 0/100 dead transitions. [2025-02-06 12:52:31,633 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 100 transitions, 413 flow [2025-02-06 12:52:31,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:52:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:52:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 237 transitions. [2025-02-06 12:52:31,635 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5197368421052632 [2025-02-06 12:52:31,635 INFO L175 Difference]: Start difference. First operand has 67 places, 71 transitions, 192 flow. Second operand 3 states and 237 transitions. [2025-02-06 12:52:31,635 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 100 transitions, 413 flow [2025-02-06 12:52:31,637 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 100 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 12:52:31,640 INFO L231 Difference]: Finished difference. Result has 66 places, 70 transitions, 186 flow [2025-02-06 12:52:31,641 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=186, PETRI_PLACES=66, PETRI_TRANSITIONS=70} [2025-02-06 12:52:31,641 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -20 predicate places. [2025-02-06 12:52:31,642 INFO L471 AbstractCegarLoop]: Abstraction has has 66 places, 70 transitions, 186 flow [2025-02-06 12:52:31,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 3 states have internal predecessors, (180), 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) [2025-02-06 12:52:31,642 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:31,642 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:31,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 12:52:31,642 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:31,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:31,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1007627996, now seen corresponding path program 1 times [2025-02-06 12:52:31,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:31,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135836304] [2025-02-06 12:52:31,643 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:31,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:31,656 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 12:52:31,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 12:52:31,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:31,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:31,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:31,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135836304] [2025-02-06 12:52:31,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135836304] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:31,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:31,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 12:52:31,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105259905] [2025-02-06 12:52:31,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:31,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:52:31,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:31,712 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:52:31,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:52:31,713 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:31,714 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 70 transitions, 186 flow. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2025-02-06 12:52:31,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:31,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:31,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:31,971 INFO L124 PetriNetUnfolderBase]: 2349/4023 cut-off events. [2025-02-06 12:52:31,972 INFO L125 PetriNetUnfolderBase]: For 1949/1951 co-relation queries the response was YES. [2025-02-06 12:52:31,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8634 conditions, 4023 events. 2349/4023 cut-off events. For 1949/1951 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 21304 event pairs, 1390 based on Foata normal form. 0/3649 useless extension candidates. Maximal degree in co-relation 5331. Up to 2927 conditions per place. [2025-02-06 12:52:31,983 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 64 selfloop transitions, 2 changer transitions 2/90 dead transitions. [2025-02-06 12:52:31,983 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 90 transitions, 389 flow [2025-02-06 12:52:31,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:52:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:52:31,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 227 transitions. [2025-02-06 12:52:31,985 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49780701754385964 [2025-02-06 12:52:31,985 INFO L175 Difference]: Start difference. First operand has 66 places, 70 transitions, 186 flow. Second operand 3 states and 227 transitions. [2025-02-06 12:52:31,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 90 transitions, 389 flow [2025-02-06 12:52:31,987 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 90 transitions, 377 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 12:52:31,988 INFO L231 Difference]: Finished difference. Result has 63 places, 66 transitions, 174 flow [2025-02-06 12:52:31,989 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=174, PETRI_PLACES=63, PETRI_TRANSITIONS=66} [2025-02-06 12:52:31,989 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -23 predicate places. [2025-02-06 12:52:31,990 INFO L471 AbstractCegarLoop]: Abstraction has has 63 places, 66 transitions, 174 flow [2025-02-06 12:52:31,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 3 states have internal predecessors, (179), 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) [2025-02-06 12:52:31,990 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:31,990 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:31,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 12:52:31,990 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:31,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:31,991 INFO L85 PathProgramCache]: Analyzing trace with hash -1182840880, now seen corresponding path program 1 times [2025-02-06 12:52:31,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:31,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378178767] [2025-02-06 12:52:31,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:31,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:32,006 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 20 statements into 1 equivalence classes. [2025-02-06 12:52:32,011 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 20 of 20 statements. [2025-02-06 12:52:32,011 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:32,011 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:32,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:32,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:32,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378178767] [2025-02-06 12:52:32,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378178767] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:32,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:32,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 12:52:32,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737779291] [2025-02-06 12:52:32,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:32,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:52:32,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:32,053 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:52:32,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:52:32,062 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 152 [2025-02-06 12:52:32,063 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 66 transitions, 174 flow. Second operand has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2025-02-06 12:52:32,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:32,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 152 [2025-02-06 12:52:32,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:32,310 INFO L124 PetriNetUnfolderBase]: 2069/3672 cut-off events. [2025-02-06 12:52:32,310 INFO L125 PetriNetUnfolderBase]: For 1019/1020 co-relation queries the response was YES. [2025-02-06 12:52:32,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7418 conditions, 3672 events. 2069/3672 cut-off events. For 1019/1020 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 20066 event pairs, 659 based on Foata normal form. 288/3706 useless extension candidates. Maximal degree in co-relation 4998. Up to 1525 conditions per place. [2025-02-06 12:52:32,323 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 60 selfloop transitions, 3 changer transitions 2/85 dead transitions. [2025-02-06 12:52:32,323 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 85 transitions, 357 flow [2025-02-06 12:52:32,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:52:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:52:32,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2025-02-06 12:52:32,326 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4780701754385965 [2025-02-06 12:52:32,326 INFO L175 Difference]: Start difference. First operand has 63 places, 66 transitions, 174 flow. Second operand 3 states and 218 transitions. [2025-02-06 12:52:32,326 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 85 transitions, 357 flow [2025-02-06 12:52:32,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 85 transitions, 343 flow, removed 0 selfloop flow, removed 4 redundant places. [2025-02-06 12:52:32,330 INFO L231 Difference]: Finished difference. Result has 61 places, 65 transitions, 183 flow [2025-02-06 12:52:32,331 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=161, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=183, PETRI_PLACES=61, PETRI_TRANSITIONS=65} [2025-02-06 12:52:32,331 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -25 predicate places. [2025-02-06 12:52:32,331 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 65 transitions, 183 flow [2025-02-06 12:52:32,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.333333333333336) internal successors, (172), 3 states have internal predecessors, (172), 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) [2025-02-06 12:52:32,331 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:32,331 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] [2025-02-06 12:52:32,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 12:52:32,331 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:32,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:32,332 INFO L85 PathProgramCache]: Analyzing trace with hash 589789611, now seen corresponding path program 1 times [2025-02-06 12:52:32,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:32,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14402328] [2025-02-06 12:52:32,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:32,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:32,351 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-02-06 12:52:32,358 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-02-06 12:52:32,358 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:32,358 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:32,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:32,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:32,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14402328] [2025-02-06 12:52:32,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14402328] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:32,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:32,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 12:52:32,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023937742] [2025-02-06 12:52:32,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:32,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 12:52:32,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:32,511 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 12:52:32,511 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 12:52:32,527 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:32,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 65 transitions, 183 flow. Second operand has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 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) [2025-02-06 12:52:32,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:32,528 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:32,528 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:32,839 INFO L124 PetriNetUnfolderBase]: 2172/3984 cut-off events. [2025-02-06 12:52:32,840 INFO L125 PetriNetUnfolderBase]: For 1263/1269 co-relation queries the response was YES. [2025-02-06 12:52:32,844 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8226 conditions, 3984 events. 2172/3984 cut-off events. For 1263/1269 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 22678 event pairs, 1103 based on Foata normal form. 15/3760 useless extension candidates. Maximal degree in co-relation 2302. Up to 1887 conditions per place. [2025-02-06 12:52:32,852 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 85 selfloop transitions, 4 changer transitions 8/118 dead transitions. [2025-02-06 12:52:32,852 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 118 transitions, 506 flow [2025-02-06 12:52:32,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 12:52:32,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 12:52:32,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 316 transitions. [2025-02-06 12:52:32,855 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5197368421052632 [2025-02-06 12:52:32,855 INFO L175 Difference]: Start difference. First operand has 61 places, 65 transitions, 183 flow. Second operand 4 states and 316 transitions. [2025-02-06 12:52:32,855 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 118 transitions, 506 flow [2025-02-06 12:52:32,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 118 transitions, 496 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 12:52:32,859 INFO L231 Difference]: Finished difference. Result has 64 places, 66 transitions, 202 flow [2025-02-06 12:52:32,859 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=177, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=202, PETRI_PLACES=64, PETRI_TRANSITIONS=66} [2025-02-06 12:52:32,860 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -22 predicate places. [2025-02-06 12:52:32,860 INFO L471 AbstractCegarLoop]: Abstraction has has 64 places, 66 transitions, 202 flow [2025-02-06 12:52:32,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 59.25) internal successors, (237), 4 states have internal predecessors, (237), 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) [2025-02-06 12:52:32,860 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:32,860 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:32,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-06 12:52:32,861 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread_usbErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:32,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:32,861 INFO L85 PathProgramCache]: Analyzing trace with hash -1332880090, now seen corresponding path program 1 times [2025-02-06 12:52:32,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:32,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712650789] [2025-02-06 12:52:32,861 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:32,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:32,873 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 12:52:32,877 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 12:52:32,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:32,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:32,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:32,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712650789] [2025-02-06 12:52:32,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712650789] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:32,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:32,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 12:52:32,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603684943] [2025-02-06 12:52:32,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:32,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:52:32,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:32,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:52:32,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:52:32,941 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:32,941 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 66 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2025-02-06 12:52:32,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:32,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:32,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:33,225 INFO L124 PetriNetUnfolderBase]: 1938/3590 cut-off events. [2025-02-06 12:52:33,225 INFO L125 PetriNetUnfolderBase]: For 2220/2221 co-relation queries the response was YES. [2025-02-06 12:52:33,229 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7911 conditions, 3590 events. 1938/3590 cut-off events. For 2220/2221 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 20080 event pairs, 1477 based on Foata normal form. 5/3357 useless extension candidates. Maximal degree in co-relation 5422. Up to 2814 conditions per place. [2025-02-06 12:52:33,237 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 52 selfloop transitions, 5 changer transitions 0/78 dead transitions. [2025-02-06 12:52:33,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 78 transitions, 344 flow [2025-02-06 12:52:33,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:52:33,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:52:33,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2025-02-06 12:52:33,239 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4780701754385965 [2025-02-06 12:52:33,239 INFO L175 Difference]: Start difference. First operand has 64 places, 66 transitions, 202 flow. Second operand 3 states and 218 transitions. [2025-02-06 12:52:33,239 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 78 transitions, 344 flow [2025-02-06 12:52:33,241 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 78 transitions, 331 flow, removed 2 selfloop flow, removed 3 redundant places. [2025-02-06 12:52:33,243 INFO L231 Difference]: Finished difference. Result has 62 places, 65 transitions, 197 flow [2025-02-06 12:52:33,243 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=60, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=197, PETRI_PLACES=62, PETRI_TRANSITIONS=65} [2025-02-06 12:52:33,245 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -24 predicate places. [2025-02-06 12:52:33,245 INFO L471 AbstractCegarLoop]: Abstraction has has 62 places, 65 transitions, 197 flow [2025-02-06 12:52:33,245 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2025-02-06 12:52:33,245 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:33,245 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:33,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-02-06 12:52:33,245 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread_usbErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:33,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:33,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1099560931, now seen corresponding path program 1 times [2025-02-06 12:52:33,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:33,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066638660] [2025-02-06 12:52:33,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:33,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:33,262 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-02-06 12:52:33,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-02-06 12:52:33,270 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:33,270 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:33,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:33,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:33,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066638660] [2025-02-06 12:52:33,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066638660] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:33,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:33,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 12:52:33,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400418156] [2025-02-06 12:52:33,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:33,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 12:52:33,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:33,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 12:52:33,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 12:52:33,338 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:33,339 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 65 transitions, 197 flow. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2025-02-06 12:52:33,339 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:33,339 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:33,339 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:33,881 INFO L124 PetriNetUnfolderBase]: 1938/3585 cut-off events. [2025-02-06 12:52:33,881 INFO L125 PetriNetUnfolderBase]: For 1985/1986 co-relation queries the response was YES. [2025-02-06 12:52:33,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7794 conditions, 3585 events. 1938/3585 cut-off events. For 1985/1986 co-relation queries the response was YES. Maximal size of possible extension queue 114. Compared 20008 event pairs, 1477 based on Foata normal form. 5/3352 useless extension candidates. Maximal degree in co-relation 5388. Up to 2814 conditions per place. [2025-02-06 12:52:33,890 INFO L140 encePairwiseOnDemand]: 149/152 looper letters, 52 selfloop transitions, 5 changer transitions 0/77 dead transitions. [2025-02-06 12:52:33,890 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 77 transitions, 339 flow [2025-02-06 12:52:33,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 12:52:33,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-02-06 12:52:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 218 transitions. [2025-02-06 12:52:33,892 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4780701754385965 [2025-02-06 12:52:33,892 INFO L175 Difference]: Start difference. First operand has 62 places, 65 transitions, 197 flow. Second operand 3 states and 218 transitions. [2025-02-06 12:52:33,892 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 77 transitions, 339 flow [2025-02-06 12:52:33,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 77 transitions, 329 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 12:52:33,894 INFO L231 Difference]: Finished difference. Result has 61 places, 64 transitions, 195 flow [2025-02-06 12:52:33,894 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=195, PETRI_PLACES=61, PETRI_TRANSITIONS=64} [2025-02-06 12:52:33,895 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -25 predicate places. [2025-02-06 12:52:33,895 INFO L471 AbstractCegarLoop]: Abstraction has has 61 places, 64 transitions, 195 flow [2025-02-06 12:52:33,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 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) [2025-02-06 12:52:33,895 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:33,895 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 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] [2025-02-06 12:52:33,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 12:52:33,895 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:33,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:33,896 INFO L85 PathProgramCache]: Analyzing trace with hash -722351248, now seen corresponding path program 1 times [2025-02-06 12:52:33,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:33,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210882141] [2025-02-06 12:52:33,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:33,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:33,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-06 12:52:33,930 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 12:52:33,930 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:33,930 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:34,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:34,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:34,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210882141] [2025-02-06 12:52:34,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210882141] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:34,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:34,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 12:52:34,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800989406] [2025-02-06 12:52:34,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:34,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 12:52:34,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:34,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 12:52:34,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 12:52:34,276 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2025-02-06 12:52:34,276 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 64 transitions, 195 flow. Second operand has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 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) [2025-02-06 12:52:34,276 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:34,276 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2025-02-06 12:52:34,276 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:34,714 INFO L124 PetriNetUnfolderBase]: 2097/3919 cut-off events. [2025-02-06 12:52:34,714 INFO L125 PetriNetUnfolderBase]: For 2134/2146 co-relation queries the response was YES. [2025-02-06 12:52:34,739 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8537 conditions, 3919 events. 2097/3919 cut-off events. For 2134/2146 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 23096 event pairs, 1201 based on Foata normal form. 12/3664 useless extension candidates. Maximal degree in co-relation 6102. Up to 2201 conditions per place. [2025-02-06 12:52:34,749 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 80 selfloop transitions, 9 changer transitions 0/108 dead transitions. [2025-02-06 12:52:34,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 108 transitions, 493 flow [2025-02-06 12:52:34,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 12:52:34,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-02-06 12:52:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 301 transitions. [2025-02-06 12:52:34,751 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.49506578947368424 [2025-02-06 12:52:34,751 INFO L175 Difference]: Start difference. First operand has 61 places, 64 transitions, 195 flow. Second operand 4 states and 301 transitions. [2025-02-06 12:52:34,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 108 transitions, 493 flow [2025-02-06 12:52:34,754 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 108 transitions, 477 flow, removed 0 selfloop flow, removed 2 redundant places. [2025-02-06 12:52:34,755 INFO L231 Difference]: Finished difference. Result has 65 places, 68 transitions, 253 flow [2025-02-06 12:52:34,755 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=253, PETRI_PLACES=65, PETRI_TRANSITIONS=68} [2025-02-06 12:52:34,756 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2025-02-06 12:52:34,757 INFO L471 AbstractCegarLoop]: Abstraction has has 65 places, 68 transitions, 253 flow [2025-02-06 12:52:34,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 61.5) internal successors, (246), 4 states have internal predecessors, (246), 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) [2025-02-06 12:52:34,757 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:34,757 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 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] [2025-02-06 12:52:34,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-02-06 12:52:34,758 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:34,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:34,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1474822434, now seen corresponding path program 2 times [2025-02-06 12:52:34,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:34,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029167749] [2025-02-06 12:52:34,759 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 12:52:34,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:34,776 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 1 equivalence classes. [2025-02-06 12:52:34,790 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-06 12:52:34,791 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 12:52:34,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:34,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:34,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:34,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029167749] [2025-02-06 12:52:34,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029167749] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:34,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:34,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 12:52:34,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545421609] [2025-02-06 12:52:34,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:34,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:52:34,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:34,969 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:52:34,969 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:52:34,981 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2025-02-06 12:52:34,981 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 68 transitions, 253 flow. Second operand has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 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) [2025-02-06 12:52:34,981 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:34,981 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2025-02-06 12:52:34,981 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:35,330 INFO L124 PetriNetUnfolderBase]: 2088/3891 cut-off events. [2025-02-06 12:52:35,331 INFO L125 PetriNetUnfolderBase]: For 4206/4224 co-relation queries the response was YES. [2025-02-06 12:52:35,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9037 conditions, 3891 events. 2088/3891 cut-off events. For 4206/4224 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 22748 event pairs, 1131 based on Foata normal form. 30/3672 useless extension candidates. Maximal degree in co-relation 6298. Up to 1784 conditions per place. [2025-02-06 12:52:35,340 INFO L140 encePairwiseOnDemand]: 147/152 looper letters, 86 selfloop transitions, 14 changer transitions 0/119 dead transitions. [2025-02-06 12:52:35,341 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 119 transitions, 580 flow [2025-02-06 12:52:35,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 12:52:35,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 12:52:35,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 362 transitions. [2025-02-06 12:52:35,342 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4763157894736842 [2025-02-06 12:52:35,342 INFO L175 Difference]: Start difference. First operand has 65 places, 68 transitions, 253 flow. Second operand 5 states and 362 transitions. [2025-02-06 12:52:35,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 119 transitions, 580 flow [2025-02-06 12:52:35,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 119 transitions, 574 flow, removed 3 selfloop flow, removed 0 redundant places. [2025-02-06 12:52:35,349 INFO L231 Difference]: Finished difference. Result has 68 places, 70 transitions, 297 flow [2025-02-06 12:52:35,349 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=297, PETRI_PLACES=68, PETRI_TRANSITIONS=70} [2025-02-06 12:52:35,350 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -18 predicate places. [2025-02-06 12:52:35,350 INFO L471 AbstractCegarLoop]: Abstraction has has 68 places, 70 transitions, 297 flow [2025-02-06 12:52:35,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 60.4) internal successors, (302), 5 states have internal predecessors, (302), 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) [2025-02-06 12:52:35,350 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:35,351 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 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] [2025-02-06 12:52:35,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-06 12:52:35,351 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:35,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:35,351 INFO L85 PathProgramCache]: Analyzing trace with hash 555678284, now seen corresponding path program 1 times [2025-02-06 12:52:35,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:35,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015137131] [2025-02-06 12:52:35,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 12:52:35,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:35,366 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 12:52:35,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 12:52:35,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 12:52:35,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:35,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 12:52:35,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:35,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015137131] [2025-02-06 12:52:35,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015137131] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:35,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:35,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 12:52:35,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512802469] [2025-02-06 12:52:35,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:35,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:52:35,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:35,649 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:52:35,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:52:35,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:35,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 70 transitions, 297 flow. Second operand has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 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) [2025-02-06 12:52:35,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:35,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:35,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:36,387 INFO L124 PetriNetUnfolderBase]: 2186/4090 cut-off events. [2025-02-06 12:52:36,387 INFO L125 PetriNetUnfolderBase]: For 5820/5844 co-relation queries the response was YES. [2025-02-06 12:52:36,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9714 conditions, 4090 events. 2186/4090 cut-off events. For 5820/5844 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 24118 event pairs, 1199 based on Foata normal form. 35/3873 useless extension candidates. Maximal degree in co-relation 6849. Up to 1783 conditions per place. [2025-02-06 12:52:36,411 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 101 selfloop transitions, 9 changer transitions 8/136 dead transitions. [2025-02-06 12:52:36,411 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 136 transitions, 698 flow [2025-02-06 12:52:36,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 12:52:36,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 12:52:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 386 transitions. [2025-02-06 12:52:36,413 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5078947368421053 [2025-02-06 12:52:36,413 INFO L175 Difference]: Start difference. First operand has 68 places, 70 transitions, 297 flow. Second operand 5 states and 386 transitions. [2025-02-06 12:52:36,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 136 transitions, 698 flow [2025-02-06 12:52:36,427 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 136 transitions, 688 flow, removed 5 selfloop flow, removed 0 redundant places. [2025-02-06 12:52:36,429 INFO L231 Difference]: Finished difference. Result has 74 places, 70 transitions, 329 flow [2025-02-06 12:52:36,430 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=287, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=329, PETRI_PLACES=74, PETRI_TRANSITIONS=70} [2025-02-06 12:52:36,430 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -12 predicate places. [2025-02-06 12:52:36,430 INFO L471 AbstractCegarLoop]: Abstraction has has 74 places, 70 transitions, 329 flow [2025-02-06 12:52:36,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.2) internal successors, (306), 5 states have internal predecessors, (306), 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) [2025-02-06 12:52:36,430 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:36,430 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 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] [2025-02-06 12:52:36,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-06 12:52:36,431 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:36,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:36,431 INFO L85 PathProgramCache]: Analyzing trace with hash 370864904, now seen corresponding path program 2 times [2025-02-06 12:52:36,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:36,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163097968] [2025-02-06 12:52:36,431 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 12:52:36,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:36,444 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 1 equivalence classes. [2025-02-06 12:52:36,452 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 12:52:36,452 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-02-06 12:52:36,452 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:36,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:36,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:36,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163097968] [2025-02-06 12:52:36,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163097968] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:36,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:36,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 12:52:36,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649876662] [2025-02-06 12:52:36,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:36,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 12:52:36,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:36,737 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 12:52:36,737 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 12:52:36,761 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:36,762 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 70 transitions, 329 flow. Second operand has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 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) [2025-02-06 12:52:36,762 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:36,762 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:36,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:37,162 INFO L124 PetriNetUnfolderBase]: 2484/4691 cut-off events. [2025-02-06 12:52:37,163 INFO L125 PetriNetUnfolderBase]: For 10102/10132 co-relation queries the response was YES. [2025-02-06 12:52:37,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11437 conditions, 4691 events. 2484/4691 cut-off events. For 10102/10132 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 27416 event pairs, 1292 based on Foata normal form. 41/4439 useless extension candidates. Maximal degree in co-relation 9481. Up to 2183 conditions per place. [2025-02-06 12:52:37,176 INFO L140 encePairwiseOnDemand]: 145/152 looper letters, 125 selfloop transitions, 6 changer transitions 12/161 dead transitions. [2025-02-06 12:52:37,177 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 161 transitions, 854 flow [2025-02-06 12:52:37,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 12:52:37,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-02-06 12:52:37,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 465 transitions. [2025-02-06 12:52:37,178 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5098684210526315 [2025-02-06 12:52:37,178 INFO L175 Difference]: Start difference. First operand has 74 places, 70 transitions, 329 flow. Second operand 6 states and 465 transitions. [2025-02-06 12:52:37,178 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 161 transitions, 854 flow [2025-02-06 12:52:37,189 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 161 transitions, 819 flow, removed 7 selfloop flow, removed 4 redundant places. [2025-02-06 12:52:37,190 INFO L231 Difference]: Finished difference. Result has 79 places, 72 transitions, 356 flow [2025-02-06 12:52:37,190 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=301, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=356, PETRI_PLACES=79, PETRI_TRANSITIONS=72} [2025-02-06 12:52:37,191 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -7 predicate places. [2025-02-06 12:52:37,191 INFO L471 AbstractCegarLoop]: Abstraction has has 79 places, 72 transitions, 356 flow [2025-02-06 12:52:37,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 60.666666666666664) internal successors, (364), 6 states have internal predecessors, (364), 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) [2025-02-06 12:52:37,191 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:37,191 INFO L206 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 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] [2025-02-06 12:52:37,191 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 12:52:37,191 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:37,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:37,192 INFO L85 PathProgramCache]: Analyzing trace with hash -2050943750, now seen corresponding path program 3 times [2025-02-06 12:52:37,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:37,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140316917] [2025-02-06 12:52:37,192 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 12:52:37,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:37,207 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 46 statements into 1 equivalence classes. [2025-02-06 12:52:37,216 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 12:52:37,217 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-02-06 12:52:37,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:37,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:37,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:37,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140316917] [2025-02-06 12:52:37,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140316917] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:37,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:37,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 12:52:37,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348413532] [2025-02-06 12:52:37,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:37,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 12:52:37,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:37,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 12:52:37,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-02-06 12:52:37,493 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:37,493 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 72 transitions, 356 flow. Second operand has 7 states, 7 states have (on average 59.857142857142854) internal successors, (419), 7 states have internal predecessors, (419), 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) [2025-02-06 12:52:37,493 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:37,493 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:37,493 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:38,004 INFO L124 PetriNetUnfolderBase]: 2592/5009 cut-off events. [2025-02-06 12:52:38,004 INFO L125 PetriNetUnfolderBase]: For 10159/10189 co-relation queries the response was YES. [2025-02-06 12:52:38,013 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12183 conditions, 5009 events. 2592/5009 cut-off events. For 10159/10189 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 29477 event pairs, 1435 based on Foata normal form. 41/4717 useless extension candidates. Maximal degree in co-relation 10324. Up to 1781 conditions per place. [2025-02-06 12:52:38,024 INFO L140 encePairwiseOnDemand]: 145/152 looper letters, 132 selfloop transitions, 15 changer transitions 13/178 dead transitions. [2025-02-06 12:52:38,025 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 178 transitions, 948 flow [2025-02-06 12:52:38,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 12:52:38,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-02-06 12:52:38,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 535 transitions. [2025-02-06 12:52:38,026 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5028195488721805 [2025-02-06 12:52:38,026 INFO L175 Difference]: Start difference. First operand has 79 places, 72 transitions, 356 flow. Second operand 7 states and 535 transitions. [2025-02-06 12:52:38,026 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 178 transitions, 948 flow [2025-02-06 12:52:38,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 178 transitions, 927 flow, removed 4 selfloop flow, removed 5 redundant places. [2025-02-06 12:52:38,042 INFO L231 Difference]: Finished difference. Result has 83 places, 74 transitions, 417 flow [2025-02-06 12:52:38,043 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=417, PETRI_PLACES=83, PETRI_TRANSITIONS=74} [2025-02-06 12:52:38,043 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -3 predicate places. [2025-02-06 12:52:38,043 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 74 transitions, 417 flow [2025-02-06 12:52:38,043 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 59.857142857142854) internal successors, (419), 7 states have internal predecessors, (419), 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) [2025-02-06 12:52:38,043 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:38,044 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:38,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-06 12:52:38,044 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:38,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:38,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1192294013, now seen corresponding path program 4 times [2025-02-06 12:52:38,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:38,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138772483] [2025-02-06 12:52:38,044 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-02-06 12:52:38,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:38,059 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 69 statements into 2 equivalence classes. [2025-02-06 12:52:38,074 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 12:52:38,074 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-02-06 12:52:38,074 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-02-06 12:52:38,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:38,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138772483] [2025-02-06 12:52:38,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138772483] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:38,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 12:52:38,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 12:52:38,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729463896] [2025-02-06 12:52:38,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:38,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 12:52:38,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:38,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 12:52:38,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 12:52:38,386 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 55 out of 152 [2025-02-06 12:52:38,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 74 transitions, 417 flow. Second operand has 5 states, 5 states have (on average 63.6) internal successors, (318), 5 states have internal predecessors, (318), 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) [2025-02-06 12:52:38,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:38,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 55 of 152 [2025-02-06 12:52:38,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:38,749 INFO L124 PetriNetUnfolderBase]: 2966/5781 cut-off events. [2025-02-06 12:52:38,749 INFO L125 PetriNetUnfolderBase]: For 13379/13409 co-relation queries the response was YES. [2025-02-06 12:52:38,758 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13954 conditions, 5781 events. 2966/5781 cut-off events. For 13379/13409 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 33929 event pairs, 1597 based on Foata normal form. 41/5451 useless extension candidates. Maximal degree in co-relation 11404. Up to 2709 conditions per place. [2025-02-06 12:52:38,804 INFO L140 encePairwiseOnDemand]: 146/152 looper letters, 94 selfloop transitions, 3 changer transitions 26/141 dead transitions. [2025-02-06 12:52:38,804 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 141 transitions, 851 flow [2025-02-06 12:52:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 12:52:38,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-02-06 12:52:38,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 385 transitions. [2025-02-06 12:52:38,806 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.506578947368421 [2025-02-06 12:52:38,806 INFO L175 Difference]: Start difference. First operand has 83 places, 74 transitions, 417 flow. Second operand 5 states and 385 transitions. [2025-02-06 12:52:38,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 141 transitions, 851 flow [2025-02-06 12:52:38,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 141 transitions, 796 flow, removed 8 selfloop flow, removed 7 redundant places. [2025-02-06 12:52:38,813 INFO L231 Difference]: Finished difference. Result has 83 places, 71 transitions, 339 flow [2025-02-06 12:52:38,814 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=339, PETRI_PLACES=83, PETRI_TRANSITIONS=71} [2025-02-06 12:52:38,814 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -3 predicate places. [2025-02-06 12:52:38,814 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 71 transitions, 339 flow [2025-02-06 12:52:38,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 63.6) internal successors, (318), 5 states have internal predecessors, (318), 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) [2025-02-06 12:52:38,814 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:38,814 INFO L206 CegarLoopForPetriNet]: trace histogram [5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:38,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-02-06 12:52:38,814 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:38,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:38,815 INFO L85 PathProgramCache]: Analyzing trace with hash -2070552587, now seen corresponding path program 5 times [2025-02-06 12:52:38,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:38,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219275754] [2025-02-06 12:52:38,815 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 12:52:38,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:38,828 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 69 statements into 2 equivalence classes. [2025-02-06 12:52:38,836 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 12:52:38,836 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 12:52:38,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:40,023 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 12:52:40,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:40,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219275754] [2025-02-06 12:52:40,024 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219275754] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 12:52:40,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198334228] [2025-02-06 12:52:40,024 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-02-06 12:52:40,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 12:52:40,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 12:52:40,027 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 12:52:40,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 12:52:40,193 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 69 statements into 2 equivalence classes. [2025-02-06 12:52:40,241 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 69 of 69 statements. [2025-02-06 12:52:40,241 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 12:52:40,241 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:40,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 12:52:40,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 12:52:41,515 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-02-06 12:52:41,517 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 12:52:41,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198334228] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:41,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 12:52:41,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 13 [2025-02-06 12:52:41,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946650387] [2025-02-06 12:52:41,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:41,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 12:52:41,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:41,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 12:52:41,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2025-02-06 12:52:41,760 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2025-02-06 12:52:41,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 71 transitions, 339 flow. Second operand has 9 states, 9 states have (on average 59.0) internal successors, (531), 9 states have internal predecessors, (531), 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) [2025-02-06 12:52:41,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:41,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2025-02-06 12:52:41,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:42,884 INFO L124 PetriNetUnfolderBase]: 2346/4539 cut-off events. [2025-02-06 12:52:42,884 INFO L125 PetriNetUnfolderBase]: For 9772/9799 co-relation queries the response was YES. [2025-02-06 12:52:42,891 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10909 conditions, 4539 events. 2346/4539 cut-off events. For 9772/9799 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 24899 event pairs, 1338 based on Foata normal form. 39/4273 useless extension candidates. Maximal degree in co-relation 9977. Up to 1759 conditions per place. [2025-02-06 12:52:42,898 INFO L140 encePairwiseOnDemand]: 145/152 looper letters, 78 selfloop transitions, 6 changer transitions 66/168 dead transitions. [2025-02-06 12:52:42,899 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 168 transitions, 856 flow [2025-02-06 12:52:42,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 12:52:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2025-02-06 12:52:42,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 576 transitions. [2025-02-06 12:52:42,900 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.47368421052631576 [2025-02-06 12:52:42,900 INFO L175 Difference]: Start difference. First operand has 83 places, 71 transitions, 339 flow. Second operand 8 states and 576 transitions. [2025-02-06 12:52:42,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 168 transitions, 856 flow [2025-02-06 12:52:42,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 168 transitions, 836 flow, removed 6 selfloop flow, removed 6 redundant places. [2025-02-06 12:52:42,908 INFO L231 Difference]: Finished difference. Result has 83 places, 65 transitions, 274 flow [2025-02-06 12:52:42,908 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=321, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=274, PETRI_PLACES=83, PETRI_TRANSITIONS=65} [2025-02-06 12:52:42,909 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -3 predicate places. [2025-02-06 12:52:42,909 INFO L471 AbstractCegarLoop]: Abstraction has has 83 places, 65 transitions, 274 flow [2025-02-06 12:52:42,909 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 59.0) internal successors, (531), 9 states have internal predecessors, (531), 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) [2025-02-06 12:52:42,909 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-02-06 12:52:42,909 INFO L206 CegarLoopForPetriNet]: trace histogram [7, 6, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:42,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-06 12:52:43,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 12:52:43,111 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (and 16 more)] === [2025-02-06 12:52:43,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 12:52:43,115 INFO L85 PathProgramCache]: Analyzing trace with hash 1793876774, now seen corresponding path program 6 times [2025-02-06 12:52:43,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 12:52:43,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158277066] [2025-02-06 12:52:43,115 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 12:52:43,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 12:52:43,134 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 92 statements into 2 equivalence classes. [2025-02-06 12:52:43,147 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 12:52:43,148 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-02-06 12:52:43,148 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:43,823 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-02-06 12:52:43,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 12:52:43,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158277066] [2025-02-06 12:52:43,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158277066] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 12:52:43,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540519359] [2025-02-06 12:52:43,823 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-02-06 12:52:43,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 12:52:43,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 12:52:43,825 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 12:52:43,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 12:52:43,981 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 92 statements into 2 equivalence classes. [2025-02-06 12:52:44,045 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) and asserted 92 of 92 statements. [2025-02-06 12:52:44,045 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2025-02-06 12:52:44,045 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 12:52:44,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-02-06 12:52:44,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 12:52:44,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-02-06 12:52:44,263 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2025-02-06 12:52:44,264 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 27 [2025-02-06 12:52:44,278 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2025-02-06 12:52:44,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 29 [2025-02-06 12:52:44,384 INFO L349 Elim1Store]: treesize reduction 64, result has 23.8 percent of original size [2025-02-06 12:52:44,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 5 case distinctions, treesize of input 28 treesize of output 49 [2025-02-06 12:52:44,420 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2025-02-06 12:52:44,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 29 [2025-02-06 12:52:44,772 INFO L349 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2025-02-06 12:52:44,772 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 26 treesize of output 44 [2025-02-06 12:52:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-06 12:52:44,816 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 12:52:44,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540519359] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 12:52:44,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 12:52:44,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 9 [2025-02-06 12:52:44,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441637514] [2025-02-06 12:52:44,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 12:52:44,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 12:52:44,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 12:52:44,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 12:52:44,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2025-02-06 12:52:44,900 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 54 out of 152 [2025-02-06 12:52:44,901 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 65 transitions, 274 flow. Second operand has 10 states, 10 states have (on average 60.0) internal successors, (600), 10 states have internal predecessors, (600), 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) [2025-02-06 12:52:44,901 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-02-06 12:52:44,901 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 54 of 152 [2025-02-06 12:52:44,901 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-02-06 12:52:45,903 INFO L124 PetriNetUnfolderBase]: 2023/3770 cut-off events. [2025-02-06 12:52:45,903 INFO L125 PetriNetUnfolderBase]: For 10047/10068 co-relation queries the response was YES. [2025-02-06 12:52:45,908 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9356 conditions, 3770 events. 2023/3770 cut-off events. For 10047/10068 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 19307 event pairs, 1120 based on Foata normal form. 33/3558 useless extension candidates. Maximal degree in co-relation 9341. Up to 1759 conditions per place. [2025-02-06 12:52:45,910 INFO L140 encePairwiseOnDemand]: 145/152 looper letters, 0 selfloop transitions, 0 changer transitions 158/158 dead transitions. [2025-02-06 12:52:45,910 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 158 transitions, 751 flow [2025-02-06 12:52:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 12:52:45,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-02-06 12:52:45,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 623 transitions. [2025-02-06 12:52:45,911 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4554093567251462 [2025-02-06 12:52:45,912 INFO L175 Difference]: Start difference. First operand has 83 places, 65 transitions, 274 flow. Second operand 9 states and 623 transitions. [2025-02-06 12:52:45,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 158 transitions, 751 flow [2025-02-06 12:52:45,918 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 158 transitions, 700 flow, removed 3 selfloop flow, removed 11 redundant places. [2025-02-06 12:52:45,919 INFO L231 Difference]: Finished difference. Result has 75 places, 0 transitions, 0 flow [2025-02-06 12:52:45,919 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=152, PETRI_DIFFERENCE_MINUEND_FLOW=219, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=0, PETRI_PLACES=75, PETRI_TRANSITIONS=0} [2025-02-06 12:52:45,919 INFO L279 CegarLoopForPetriNet]: 86 programPoint places, -11 predicate places. [2025-02-06 12:52:45,919 INFO L471 AbstractCegarLoop]: Abstraction has has 75 places, 0 transitions, 0 flow [2025-02-06 12:52:45,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 60.0) internal successors, (600), 10 states have internal predecessors, (600), 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) [2025-02-06 12:52:45,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK (18 of 19 remaining) [2025-02-06 12:52:45,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONMEMORY_LEAK (17 of 19 remaining) [2025-02-06 12:52:45,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK (16 of 19 remaining) [2025-02-06 12:52:45,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (15 of 19 remaining) [2025-02-06 12:52:45,922 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 19 remaining) [2025-02-06 12:52:45,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 19 remaining) [2025-02-06 12:52:45,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK (12 of 19 remaining) [2025-02-06 12:52:45,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 19 remaining) [2025-02-06 12:52:45,923 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONMEMORY_LEAK (10 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONMEMORY_LEAK (7 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_ath9kErr0ASSERT_VIOLATIONMEMORY_LEAK (5 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr0ASSERT_VIOLATIONMEMORY_LEAK (4 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbErr1ASSERT_VIOLATIONMEMORY_LEAK (1 of 19 remaining) [2025-02-06 12:52:45,924 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread_usbThread1of1ForFork0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 19 remaining) [2025-02-06 12:52:45,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 12:52:46,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 12:52:46,125 INFO L422 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 12:52:46,129 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-02-06 12:52:46,129 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 12:52:46,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 12:52:46 BasicIcfg [2025-02-06 12:52:46,132 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 12:52:46,132 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 12:52:46,132 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 12:52:46,132 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 12:52:46,133 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 12:52:27" (3/4) ... [2025-02-06 12:52:46,134 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-06 12:52:46,136 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread_ath9k [2025-02-06 12:52:46,136 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure thread_usb [2025-02-06 12:52:46,139 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2025-02-06 12:52:46,140 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-02-06 12:52:46,140 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-06 12:52:46,141 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-06 12:52:46,207 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 12:52:46,207 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 12:52:46,207 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 12:52:46,208 INFO L158 Benchmark]: Toolchain (without parser) took 19857.25ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 105.1MB in the beginning and 529.7MB in the end (delta: -424.5MB). Peak memory consumption was 50.7MB. Max. memory is 16.1GB. [2025-02-06 12:52:46,208 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 12:52:46,208 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.08ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 49.4MB in the end (delta: 55.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-06 12:52:46,208 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.48ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 46.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 12:52:46,209 INFO L158 Benchmark]: Boogie Preprocessor took 99.31ms. Allocated memory is still 142.6MB. Free memory was 45.9MB in the beginning and 42.9MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 12:52:46,209 INFO L158 Benchmark]: IcfgBuilder took 751.70ms. Allocated memory is still 142.6MB. Free memory was 42.9MB in the beginning and 68.3MB in the end (delta: -25.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2025-02-06 12:52:46,209 INFO L158 Benchmark]: TraceAbstraction took 18168.44ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 68.3MB in the beginning and 535.6MB in the end (delta: -467.3MB). Peak memory consumption was 353.7MB. Max. memory is 16.1GB. [2025-02-06 12:52:46,210 INFO L158 Benchmark]: Witness Printer took 74.96ms. Allocated memory is still 620.8MB. Free memory was 535.6MB in the beginning and 529.7MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 12:52:46,211 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 201.3MB. Free memory is still 117.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 702.08ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 49.4MB in the end (delta: 55.7MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.48ms. Allocated memory is still 142.6MB. Free memory was 49.4MB in the beginning and 46.5MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 99.31ms. Allocated memory is still 142.6MB. Free memory was 45.9MB in the beginning and 42.9MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 751.70ms. Allocated memory is still 142.6MB. Free memory was 42.9MB in the beginning and 68.3MB in the end (delta: -25.4MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. * TraceAbstraction took 18168.44ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 68.3MB in the beginning and 535.6MB in the end (delta: -467.3MB). Peak memory consumption was 353.7MB. Max. memory is 16.1GB. * Witness Printer took 74.96ms. Allocated memory is still 620.8MB. Free memory was 535.6MB in the beginning and 529.7MB in the end (delta: 6.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1795]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1691]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 133 locations, 19 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: 18.1s, OverallIterations: 19, TraceHistogramMax: 7, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1125 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 983 mSDsluCounter, 77 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 53 mSDsCounter, 40 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4574 IncrementalHoareTripleChecker+Invalid, 4614 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 40 mSolverCounterUnsat, 24 mSDtfsCounter, 4574 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 242 GetRequests, 178 SyntacticMatches, 7 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417occurred in iteration=16, InterpolantAutomatonStates: 84, 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: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 6.5s InterpolantComputationTime, 804 NumberOfCodeBlocks, 804 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 783 ConstructedInterpolants, 94 QuantifiedInterpolants, 4952 SizeOfPredicates, 0 NumberOfNonLiveVariables, 861 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 21 InterpolantComputations, 19 PerfectInterpolantSequences, 63/72 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 11 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-06 12:52:46,227 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