./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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/heap-manipulation/dll_of_dll-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 09:40:33,801 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 09:40:33,850 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-06 09:40:33,859 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 09:40:33,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 09:40:33,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 09:40:33,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 09:40:33,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 09:40:33,875 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 09:40:33,875 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 09:40:33,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 09:40:33,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 09:40:33,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 09:40:33,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 09:40:33,875 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 09:40:33,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 09:40:33,876 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-06 09:40:33,877 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 09:40:33,877 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 09:40:33,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 09:40:33,877 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 09:40:33,877 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 09:40:33,877 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 09:40:33,877 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 09:40:33,877 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 09:40:33,877 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 09:40:33,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:40:33,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 09:40:33,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 09:40:33,878 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 09:40:33,878 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 09:40:33,878 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 09:40:33,878 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 09:40:33,878 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 09:40:33,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 09:40:33,878 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-memcleanup) ) 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 -> 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 [2025-02-06 09:40:34,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 09:40:34,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 09:40:34,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 09:40:34,130 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 09:40:34,130 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 09:40:34,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2025-02-06 09:40:35,421 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8eabfba45/520df6fc62f84cb381bb6d7a4ecd1a4c/FLAGa45816d79 [2025-02-06 09:40:35,758 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 09:40:35,758 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2025-02-06 09:40:35,768 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8eabfba45/520df6fc62f84cb381bb6d7a4ecd1a4c/FLAGa45816d79 [2025-02-06 09:40:36,004 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/8eabfba45/520df6fc62f84cb381bb6d7a4ecd1a4c [2025-02-06 09:40:36,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 09:40:36,006 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 09:40:36,007 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 09:40:36,007 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 09:40:36,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 09:40:36,015 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,016 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113cd9f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36, skipping insertion in model container [2025-02-06 09:40:36,016 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 09:40:36,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:40:36,280 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 09:40:36,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 09:40:36,332 INFO L204 MainTranslator]: Completed translation [2025-02-06 09:40:36,333 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36 WrapperNode [2025-02-06 09:40:36,333 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 09:40:36,334 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 09:40:36,334 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 09:40:36,334 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 09:40:36,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,364 INFO L138 Inliner]: procedures = 140, calls = 95, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 204 [2025-02-06 09:40:36,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 09:40:36,366 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 09:40:36,366 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 09:40:36,366 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 09:40:36,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,377 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,406 INFO L175 MemorySlicer]: Split 48 memory accesses to 3 slices as follows [2, 6, 40]. 83 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 13 writes are split as follows [0, 2, 11]. [2025-02-06 09:40:36,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,416 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,419 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,420 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,423 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 09:40:36,423 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 09:40:36,423 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 09:40:36,424 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 09:40:36,424 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (1/1) ... [2025-02-06 09:40:36,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 09:40:36,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:40:36,455 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 09:40:36,460 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 09:40:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2025-02-06 09:40:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2025-02-06 09:40:36,481 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2025-02-06 09:40:36,481 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2025-02-06 09:40:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 09:40:36,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 09:40:36,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-06 09:40:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-06 09:40:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-06 09:40:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2025-02-06 09:40:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2025-02-06 09:40:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2025-02-06 09:40:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2025-02-06 09:40:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 09:40:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-06 09:40:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-06 09:40:36,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 09:40:36,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 09:40:36,622 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 09:40:36,624 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 09:40:36,653 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc #t~ret12.base, #t~ret12.offset; [2025-02-06 09:40:36,760 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L593: havoc #t~mem11.base, #t~mem11.offset;call ULTIMATE.dealloc(~#dll~0.base, ~#dll~0.offset);havoc ~#dll~0.base, ~#dll~0.offset; [2025-02-06 09:40:36,996 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L641: havoc dll_create_master_#t~ret21#1.base, dll_create_master_#t~ret21#1.offset; [2025-02-06 09:40:37,025 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2025-02-06 09:40:37,025 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 09:40:37,035 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 09:40:37,037 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 09:40:37,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:40:37 BoogieIcfgContainer [2025-02-06 09:40:37,038 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 09:40:37,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 09:40:37,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 09:40:37,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 09:40:37,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 09:40:36" (1/3) ... [2025-02-06 09:40:37,045 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92b8eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:40:37, skipping insertion in model container [2025-02-06 09:40:37,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 09:40:36" (2/3) ... [2025-02-06 09:40:37,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92b8eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 09:40:37, skipping insertion in model container [2025-02-06 09:40:37,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 09:40:37" (3/3) ... [2025-02-06 09:40:37,048 INFO L128 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2025-02-06 09:40:37,061 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 09:40:37,062 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dll_of_dll-2.i that has 7 procedures, 133 locations, 1 initial locations, 24 loop locations, and 2 error locations. [2025-02-06 09:40:37,099 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 09:40:37,109 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;@76c0456, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 09:40:37,109 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 09:40:37,113 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 100 states have (on average 1.61) internal successors, (161), 121 states have internal predecessors, (161), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-06 09:40:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-06 09:40:37,120 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:40:37,121 INFO L218 NwaCegarLoop]: trace histogram [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, 1] [2025-02-06 09:40:37,121 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:40:37,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:40:37,125 INFO L85 PathProgramCache]: Analyzing trace with hash -1272751670, now seen corresponding path program 1 times [2025-02-06 09:40:37,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:40:37,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864186605] [2025-02-06 09:40:37,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:37,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:40:37,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 09:40:37,253 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 09:40:37,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:37,254 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-06 09:40:37,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:40:37,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864186605] [2025-02-06 09:40:37,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864186605] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:40:37,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1950688527] [2025-02-06 09:40:37,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:37,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:37,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:40:37,376 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 09:40:37,377 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 09:40:37,482 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-06 09:40:37,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-06 09:40:37,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:37,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:37,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-06 09:40:37,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:40:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-02-06 09:40:37,603 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:40:37,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1950688527] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:40:37,604 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 09:40:37,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-06 09:40:37,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787080341] [2025-02-06 09:40:37,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:40:37,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 09:40:37,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:40:37,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 09:40:37,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:40:37,637 INFO L87 Difference]: Start difference. First operand has 133 states, 100 states have (on average 1.61) internal successors, (161), 121 states have internal predecessors, (161), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 09:40:37,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:40:37,654 INFO L93 Difference]: Finished difference Result 130 states and 160 transitions. [2025-02-06 09:40:37,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 09:40:37,656 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 40 [2025-02-06 09:40:37,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:40:37,661 INFO L225 Difference]: With dead ends: 130 [2025-02-06 09:40:37,663 INFO L226 Difference]: Without dead ends: 128 [2025-02-06 09:40:37,665 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 09:40:37,667 INFO L435 NwaCegarLoop]: 160 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 09:40:37,668 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 09:40:37,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2025-02-06 09:40:37,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2025-02-06 09:40:37,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 97 states have (on average 1.2783505154639174) internal successors, (124), 116 states have internal predecessors, (124), 24 states have call successors, (24), 6 states have call predecessors, (24), 5 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 09:40:37,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 158 transitions. [2025-02-06 09:40:37,704 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 158 transitions. Word has length 40 [2025-02-06 09:40:37,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:40:37,705 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 158 transitions. [2025-02-06 09:40:37,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 09:40:37,705 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 158 transitions. [2025-02-06 09:40:37,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-06 09:40:37,706 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:40:37,706 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1] [2025-02-06 09:40:37,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 09:40:37,907 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,SelfDestructingSolverStorable0 [2025-02-06 09:40:37,907 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:40:37,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:40:37,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1024835636, now seen corresponding path program 1 times [2025-02-06 09:40:37,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:40:37,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103587533] [2025-02-06 09:40:37,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:37,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:40:37,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 09:40:37,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 09:40:37,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:37,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 09:40:38,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:40:38,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103587533] [2025-02-06 09:40:38,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103587533] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:40:38,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594663309] [2025-02-06 09:40:38,701 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:38,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:38,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:40:38,706 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 09:40:38,707 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 09:40:38,801 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-06 09:40:38,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-06 09:40:38,840 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:38,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:38,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 09:40:38,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:40:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:40:38,978 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:40:38,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594663309] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:40:38,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 09:40:38,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2025-02-06 09:40:38,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922379253] [2025-02-06 09:40:38,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:40:38,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 09:40:38,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:40:38,981 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 09:40:38,982 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-02-06 09:40:38,983 INFO L87 Difference]: Start difference. First operand 128 states and 158 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 09:40:39,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:40:39,089 INFO L93 Difference]: Finished difference Result 141 states and 176 transitions. [2025-02-06 09:40:39,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 09:40:39,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2025-02-06 09:40:39,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:40:39,091 INFO L225 Difference]: With dead ends: 141 [2025-02-06 09:40:39,091 INFO L226 Difference]: Without dead ends: 141 [2025-02-06 09:40:39,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2025-02-06 09:40:39,091 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 14 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 09:40:39,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 590 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 09:40:39,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-02-06 09:40:39,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2025-02-06 09:40:39,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 105 states have (on average 1.2666666666666666) internal successors, (133), 124 states have internal predecessors, (133), 27 states have call successors, (27), 8 states have call predecessors, (27), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2025-02-06 09:40:39,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 173 transitions. [2025-02-06 09:40:39,109 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 173 transitions. Word has length 41 [2025-02-06 09:40:39,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:40:39,109 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 173 transitions. [2025-02-06 09:40:39,109 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2025-02-06 09:40:39,109 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 173 transitions. [2025-02-06 09:40:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 09:40:39,115 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:40:39,115 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 09:40:39,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-06 09:40:39,316 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:39,317 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:40:39,317 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:40:39,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1226476596, now seen corresponding path program 1 times [2025-02-06 09:40:39,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:40:39,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323500451] [2025-02-06 09:40:39,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:39,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:40:39,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 09:40:39,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 09:40:39,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:39,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:40,269 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-06 09:40:40,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:40:40,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323500451] [2025-02-06 09:40:40,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323500451] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:40:40,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944983306] [2025-02-06 09:40:40,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:40,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:40,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:40:40,273 INFO L229 MonitoredProcess]: Starting monitored process 4 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 09:40:40,281 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 09:40:40,427 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 09:40:40,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 09:40:40,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:40,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:40,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 1071 conjuncts, 45 conjuncts are in the unsatisfiable core [2025-02-06 09:40:40,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:40:40,678 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2025-02-06 09:40:40,680 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 09:40:40,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944983306] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 09:40:40,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 09:40:40,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [11] total 13 [2025-02-06 09:40:40,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501522683] [2025-02-06 09:40:40,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 09:40:40,681 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 09:40:40,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:40:40,682 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 09:40:40,682 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2025-02-06 09:40:40,682 INFO L87 Difference]: Start difference. First operand 141 states and 173 transitions. Second operand has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 09:40:40,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:40:40,960 INFO L93 Difference]: Finished difference Result 145 states and 178 transitions. [2025-02-06 09:40:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-06 09:40:40,961 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) Word has length 113 [2025-02-06 09:40:40,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:40:40,962 INFO L225 Difference]: With dead ends: 145 [2025-02-06 09:40:40,962 INFO L226 Difference]: Without dead ends: 145 [2025-02-06 09:40:40,962 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2025-02-06 09:40:40,963 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 54 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 404 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 09:40:40,963 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 464 Invalid, 404 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 09:40:40,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2025-02-06 09:40:40,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2025-02-06 09:40:40,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 108 states have (on average 1.2592592592592593) internal successors, (136), 128 states have internal predecessors, (136), 27 states have call successors, (27), 8 states have call predecessors, (27), 8 states have return successors, (15), 11 states have call predecessors, (15), 13 states have call successors, (15) [2025-02-06 09:40:40,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 178 transitions. [2025-02-06 09:40:40,976 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 178 transitions. Word has length 113 [2025-02-06 09:40:40,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:40:40,976 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 178 transitions. [2025-02-06 09:40:40,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (12), 2 states have call predecessors, (12), 3 states have call successors, (12) [2025-02-06 09:40:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 178 transitions. [2025-02-06 09:40:40,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 09:40:40,981 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:40:40,981 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 09:40:40,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-02-06 09:40:41,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:41,182 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:40:41,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:40:41,183 INFO L85 PathProgramCache]: Analyzing trace with hash -768508332, now seen corresponding path program 1 times [2025-02-06 09:40:41,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:40:41,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819345590] [2025-02-06 09:40:41,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:41,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:40:41,228 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 09:40:41,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 09:40:41,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:41,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-06 09:40:42,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:40:42,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819345590] [2025-02-06 09:40:42,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819345590] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:40:42,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1735043692] [2025-02-06 09:40:42,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:42,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:42,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:40:42,245 INFO L229 MonitoredProcess]: Starting monitored process 5 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 09:40:42,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 09:40:42,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 09:40:42,493 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 09:40:42,493 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:42,493 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:42,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 1053 conjuncts, 61 conjuncts are in the unsatisfiable core [2025-02-06 09:40:42,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:40:42,647 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 94 proven. 5 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-02-06 09:40:42,648 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:40:43,349 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2025-02-06 09:40:43,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1735043692] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:40:43,349 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 09:40:43,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 18 [2025-02-06 09:40:43,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231250764] [2025-02-06 09:40:43,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 09:40:43,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 09:40:43,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:40:43,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 09:40:43,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2025-02-06 09:40:43,352 INFO L87 Difference]: Start difference. First operand 145 states and 178 transitions. Second operand has 18 states, 15 states have (on average 5.466666666666667) internal successors, (82), 14 states have internal predecessors, (82), 8 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (18), 5 states have call predecessors, (18), 8 states have call successors, (18) [2025-02-06 09:40:43,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:40:43,777 INFO L93 Difference]: Finished difference Result 151 states and 186 transitions. [2025-02-06 09:40:43,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 09:40:43,778 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.466666666666667) internal successors, (82), 14 states have internal predecessors, (82), 8 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (18), 5 states have call predecessors, (18), 8 states have call successors, (18) Word has length 113 [2025-02-06 09:40:43,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:40:43,779 INFO L225 Difference]: With dead ends: 151 [2025-02-06 09:40:43,779 INFO L226 Difference]: Without dead ends: 151 [2025-02-06 09:40:43,779 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2025-02-06 09:40:43,779 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 137 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 09:40:43,779 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 638 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 09:40:43,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2025-02-06 09:40:43,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2025-02-06 09:40:43,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 111 states have (on average 1.2522522522522523) internal successors, (139), 132 states have internal predecessors, (139), 28 states have call successors, (28), 8 states have call predecessors, (28), 10 states have return successors, (19), 13 states have call predecessors, (19), 14 states have call successors, (19) [2025-02-06 09:40:43,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2025-02-06 09:40:43,785 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 113 [2025-02-06 09:40:43,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:40:43,786 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2025-02-06 09:40:43,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.466666666666667) internal successors, (82), 14 states have internal predecessors, (82), 8 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (18), 5 states have call predecessors, (18), 8 states have call successors, (18) [2025-02-06 09:40:43,786 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2025-02-06 09:40:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 09:40:43,787 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:40:43,787 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 09:40:43,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 09:40:43,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:43,988 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:40:43,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:40:43,989 INFO L85 PathProgramCache]: Analyzing trace with hash 1163413620, now seen corresponding path program 1 times [2025-02-06 09:40:43,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:40:43,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993936457] [2025-02-06 09:40:43,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:43,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:40:44,018 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 09:40:44,031 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 09:40:44,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:44,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:44,867 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 31 proven. 23 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-02-06 09:40:44,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:40:44,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993936457] [2025-02-06 09:40:44,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993936457] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:40:44,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748578442] [2025-02-06 09:40:44,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:44,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:44,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:40:44,870 INFO L229 MonitoredProcess]: Starting monitored process 6 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 09:40:44,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 09:40:45,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-02-06 09:40:45,123 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 09:40:45,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:45,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:45,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 1035 conjuncts, 41 conjuncts are in the unsatisfiable core [2025-02-06 09:40:45,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:40:45,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-06 09:40:45,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2025-02-06 09:40:45,491 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-02-06 09:40:45,491 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 09:40:45,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2025-02-06 09:40:45,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 26 [2025-02-06 09:40:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 32 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2025-02-06 09:40:45,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748578442] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 09:40:45,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 09:40:45,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 23 [2025-02-06 09:40:45,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281481281] [2025-02-06 09:40:45,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 09:40:45,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-02-06 09:40:45,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 09:40:45,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-02-06 09:40:45,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=453, Unknown=0, NotChecked=0, Total=506 [2025-02-06 09:40:45,868 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 23 states, 21 states have (on average 3.238095238095238) internal successors, (68), 19 states have internal predecessors, (68), 8 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-06 09:40:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 09:40:46,937 INFO L93 Difference]: Finished difference Result 223 states and 272 transitions. [2025-02-06 09:40:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-02-06 09:40:46,937 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 3.238095238095238) internal successors, (68), 19 states have internal predecessors, (68), 8 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) Word has length 113 [2025-02-06 09:40:46,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 09:40:46,938 INFO L225 Difference]: With dead ends: 223 [2025-02-06 09:40:46,938 INFO L226 Difference]: Without dead ends: 216 [2025-02-06 09:40:46,939 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=165, Invalid=1475, Unknown=0, NotChecked=0, Total=1640 [2025-02-06 09:40:46,940 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 160 mSDsluCounter, 1882 mSDsCounter, 0 mSdLazyCounter, 1501 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 2001 SdHoareTripleChecker+Invalid, 1537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1501 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-02-06 09:40:46,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 2001 Invalid, 1537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1501 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-02-06 09:40:46,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2025-02-06 09:40:46,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 184. [2025-02-06 09:40:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 142 states have (on average 1.232394366197183) internal successors, (175), 161 states have internal predecessors, (175), 29 states have call successors, (29), 11 states have call predecessors, (29), 11 states have return successors, (17), 13 states have call predecessors, (17), 15 states have call successors, (17) [2025-02-06 09:40:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 221 transitions. [2025-02-06 09:40:46,952 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 221 transitions. Word has length 113 [2025-02-06 09:40:46,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 09:40:46,953 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 221 transitions. [2025-02-06 09:40:46,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 3.238095238095238) internal successors, (68), 19 states have internal predecessors, (68), 8 states have call successors, (14), 4 states have call predecessors, (14), 7 states have return successors, (14), 8 states have call predecessors, (14), 6 states have call successors, (14) [2025-02-06 09:40:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 221 transitions. [2025-02-06 09:40:46,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2025-02-06 09:40:46,955 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 09:40:46,955 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-02-06 09:40:46,963 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-06 09:40:47,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:47,159 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONMEMORY_LEAK === [failErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK] === [2025-02-06 09:40:47,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 09:40:47,159 INFO L85 PathProgramCache]: Analyzing trace with hash 508489007, now seen corresponding path program 1 times [2025-02-06 09:40:47,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 09:40:47,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286484386] [2025-02-06 09:40:47,159 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:47,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 09:40:47,195 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-06 09:40:47,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 09:40:47,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:47,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 43 proven. 89 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-06 09:40:54,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 09:40:54,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286484386] [2025-02-06 09:40:54,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286484386] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 09:40:54,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807202531] [2025-02-06 09:40:54,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 09:40:54,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 09:40:54,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 09:40:54,130 INFO L229 MonitoredProcess]: Starting monitored process 7 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 09:40:54,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 09:40:54,290 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 116 statements into 1 equivalence classes. [2025-02-06 09:40:54,396 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 116 of 116 statements. [2025-02-06 09:40:54,399 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 09:40:54,399 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 09:40:54,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 224 conjuncts are in the unsatisfiable core [2025-02-06 09:40:54,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 09:40:54,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2025-02-06 09:40:54,674 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-02-06 09:40:54,990 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 6 treesize of output 5 [2025-02-06 09:40:55,187 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2025-02-06 09:40:55,317 INFO L349 Elim1Store]: treesize reduction 33, result has 38.9 percent of original size [2025-02-06 09:40:55,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 57 treesize of output 61 [2025-02-06 09:40:55,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2025-02-06 09:40:55,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2025-02-06 09:40:55,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2025-02-06 09:40:55,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-02-06 09:40:56,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-06 09:40:56,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2025-02-06 09:40:56,460 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-02-06 09:41:23,997 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 16 [2025-02-06 09:41:25,004 INFO L349 Elim1Store]: treesize reduction 71, result has 15.5 percent of original size [2025-02-06 09:41:25,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 127 treesize of output 154 [2025-02-06 09:41:25,045 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-06 09:41:25,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 187 treesize of output 225 [2025-02-06 09:41:27,049 INFO L349 Elim1Store]: treesize reduction 98, result has 4.9 percent of original size [2025-02-06 09:41:27,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 50 treesize of output 31 [2025-02-06 09:41:28,803 INFO L349 Elim1Store]: treesize reduction 270, result has 35.9 percent of original size [2025-02-06 09:41:28,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 27 case distinctions, treesize of input 892 treesize of output 977 [2025-02-06 09:41:29,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 295 treesize of output 280 [2025-02-06 09:41:29,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1