./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-multidimensional/init-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/init-3-u.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-08 22:28:39,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-08 22:28:40,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-08 22:28:40,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-08 22:28:40,015 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-08 22:28:40,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-08 22:28:40,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-08 22:28:40,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-08 22:28:40,049 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-08 22:28:40,049 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-08 22:28:40,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-08 22:28:40,050 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-08 22:28:40,050 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-08 22:28:40,051 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-08 22:28:40,051 INFO L153 SettingsManager]: * Use SBE=true [2025-01-08 22:28:40,051 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-08 22:28:40,051 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-08 22:28:40,052 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:28:40,052 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:28:40,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:28:40,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-08 22:28:40,053 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-08 22:28:40,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-08 22:28:40,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-08 22:28:40,054 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 ! call(reach_error())) ) 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 -> 385b06dfd41f8b2cf291934cb4635d07bfe2a63001fa162165126d7b890c1d72 [2025-01-08 22:28:40,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-08 22:28:40,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-08 22:28:40,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-08 22:28:40,356 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-08 22:28:40,356 INFO L274 PluginConnector]: CDTParser initialized [2025-01-08 22:28:40,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-3-u.c [2025-01-08 22:28:41,630 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fa8374af/9447f0b341214735aea4a4aaad11475a/FLAG15add51a2 [2025-01-08 22:28:41,863 INFO L384 CDTParser]: Found 1 translation units. [2025-01-08 22:28:41,868 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-3-u.c [2025-01-08 22:28:41,883 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fa8374af/9447f0b341214735aea4a4aaad11475a/FLAG15add51a2 [2025-01-08 22:28:42,200 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7fa8374af/9447f0b341214735aea4a4aaad11475a [2025-01-08 22:28:42,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-08 22:28:42,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-08 22:28:42,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-08 22:28:42,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-08 22:28:42,212 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-08 22:28:42,213 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,215 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@697dc5cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42, skipping insertion in model container [2025-01-08 22:28:42,215 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-08 22:28:42,347 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-3-u.c[320,333] [2025-01-08 22:28:42,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:28:42,367 INFO L200 MainTranslator]: Completed pre-run [2025-01-08 22:28:42,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-3-u.c[320,333] [2025-01-08 22:28:42,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-08 22:28:42,403 INFO L204 MainTranslator]: Completed translation [2025-01-08 22:28:42,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42 WrapperNode [2025-01-08 22:28:42,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-08 22:28:42,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-08 22:28:42,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-08 22:28:42,405 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-08 22:28:42,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,418 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,434 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2025-01-08 22:28:42,434 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-08 22:28:42,435 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-08 22:28:42,435 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-08 22:28:42,435 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-08 22:28:42,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,444 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,455 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2025-01-08 22:28:42,456 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,456 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,460 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,463 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,464 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,465 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-08 22:28:42,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-08 22:28:42,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-08 22:28:42,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-08 22:28:42,469 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (1/1) ... [2025-01-08 22:28:42,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-08 22:28:42,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:28:42,495 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) [2025-01-08 22:28:42,498 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 [2025-01-08 22:28:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-08 22:28:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-08 22:28:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-08 22:28:42,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-01-08 22:28:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-01-08 22:28:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-01-08 22:28:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-08 22:28:42,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-08 22:28:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-01-08 22:28:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-01-08 22:28:42,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-01-08 22:28:42,568 INFO L234 CfgBuilder]: Building ICFG [2025-01-08 22:28:42,570 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-08 22:28:42,676 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2025-01-08 22:28:42,676 INFO L283 CfgBuilder]: Performing block encoding [2025-01-08 22:28:42,688 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-08 22:28:42,688 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-08 22:28:42,689 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:28:42 BoogieIcfgContainer [2025-01-08 22:28:42,689 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-08 22:28:42,690 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-08 22:28:42,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-08 22:28:42,694 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-08 22:28:42,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.01 10:28:42" (1/3) ... [2025-01-08 22:28:42,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2361c1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:28:42, skipping insertion in model container [2025-01-08 22:28:42,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.01 10:28:42" (2/3) ... [2025-01-08 22:28:42,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2361c1a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.01 10:28:42, skipping insertion in model container [2025-01-08 22:28:42,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.01 10:28:42" (3/3) ... [2025-01-08 22:28:42,696 INFO L128 eAbstractionObserver]: Analyzing ICFG init-3-u.c [2025-01-08 22:28:42,708 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-08 22:28:42,709 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG init-3-u.c that has 1 procedures, 15 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-01-08 22:28:42,752 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-08 22:28:42,761 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@54529639, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-08 22:28:42,762 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-08 22:28:42,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 14 states have internal predecessors, (21), 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) [2025-01-08 22:28:42,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-01-08 22:28:42,770 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:28:42,770 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-01-08 22:28:42,770 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-08 22:28:42,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:28:42,775 INFO L85 PathProgramCache]: Analyzing trace with hash 563166445, now seen corresponding path program 1 times [2025-01-08 22:28:42,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:28:42,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489642301] [2025-01-08 22:28:42,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:28:42,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:28:42,865 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-08 22:28:42,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-08 22:28:42,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:28:42,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:28:43,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:28:43,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-08 22:28:43,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489642301] [2025-01-08 22:28:43,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489642301] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-08 22:28:43,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-08 22:28:43,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-08 22:28:43,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048999340] [2025-01-08 22:28:43,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-08 22:28:43,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-08 22:28:43,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-08 22:28:43,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-08 22:28:43,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-08 22:28:43,068 INFO L87 Difference]: Start difference. First operand has 15 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 14 states have internal predecessors, (21), 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) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-01-08 22:28:43,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-08 22:28:43,133 INFO L93 Difference]: Finished difference Result 28 states and 40 transitions. [2025-01-08 22:28:43,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-08 22:28:43,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) Word has length 8 [2025-01-08 22:28:43,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-08 22:28:43,144 INFO L225 Difference]: With dead ends: 28 [2025-01-08 22:28:43,145 INFO L226 Difference]: Without dead ends: 15 [2025-01-08 22:28:43,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-08 22:28:43,151 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-08 22:28:43,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 21 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-08 22:28:43,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-01-08 22:28:43,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2025-01-08 22:28:43,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 states have internal predecessors, (18), 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) [2025-01-08 22:28:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2025-01-08 22:28:43,179 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 18 transitions. Word has length 8 [2025-01-08 22:28:43,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-08 22:28:43,179 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 18 transitions. [2025-01-08 22:28:43,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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) [2025-01-08 22:28:43,180 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2025-01-08 22:28:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-01-08 22:28:43,180 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:28:43,180 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-08 22:28:43,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-08 22:28:43,181 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-08 22:28:43,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:28:43,181 INFO L85 PathProgramCache]: Analyzing trace with hash 140845049, now seen corresponding path program 1 times [2025-01-08 22:28:43,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:28:43,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861697820] [2025-01-08 22:28:43,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:28:43,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:28:43,199 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-01-08 22:28:43,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-01-08 22:28:43,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:28:43,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:28:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:28:43,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-08 22:28:43,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861697820] [2025-01-08 22:28:43,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861697820] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-08 22:28:43,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-08 22:28:43,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-08 22:28:43,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294090723] [2025-01-08 22:28:43,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-08 22:28:43,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-08 22:28:43,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-08 22:28:43,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-08 22:28:43,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-08 22:28:43,332 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-08 22:28:43,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-08 22:28:43,373 INFO L93 Difference]: Finished difference Result 31 states and 45 transitions. [2025-01-08 22:28:43,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-08 22:28:43,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10 [2025-01-08 22:28:43,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-08 22:28:43,374 INFO L225 Difference]: With dead ends: 31 [2025-01-08 22:28:43,374 INFO L226 Difference]: Without dead ends: 21 [2025-01-08 22:28:43,374 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-08 22:28:43,375 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 32 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-08 22:28:43,375 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 11 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-08 22:28:43,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-01-08 22:28:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 15. [2025-01-08 22:28:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) [2025-01-08 22:28:43,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2025-01-08 22:28:43,379 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 20 transitions. Word has length 10 [2025-01-08 22:28:43,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-08 22:28:43,380 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 20 transitions. [2025-01-08 22:28:43,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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) [2025-01-08 22:28:43,380 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 20 transitions. [2025-01-08 22:28:43,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-01-08 22:28:43,380 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:28:43,380 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-08 22:28:43,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-08 22:28:43,381 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-08 22:28:43,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:28:43,381 INFO L85 PathProgramCache]: Analyzing trace with hash -160122701, now seen corresponding path program 1 times [2025-01-08 22:28:43,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:28:43,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382509928] [2025-01-08 22:28:43,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:28:43,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:28:43,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-01-08 22:28:43,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-01-08 22:28:43,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:28:43,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:28:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:28:43,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-08 22:28:43,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382509928] [2025-01-08 22:28:43,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382509928] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-08 22:28:43,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-08 22:28:43,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-08 22:28:43,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140505222] [2025-01-08 22:28:43,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-08 22:28:43,483 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-08 22:28:43,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-08 22:28:43,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-08 22:28:43,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-08 22:28:43,484 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-01-08 22:28:43,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-08 22:28:43,529 INFO L93 Difference]: Finished difference Result 33 states and 45 transitions. [2025-01-08 22:28:43,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-08 22:28:43,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) Word has length 12 [2025-01-08 22:28:43,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-08 22:28:43,530 INFO L225 Difference]: With dead ends: 33 [2025-01-08 22:28:43,531 INFO L226 Difference]: Without dead ends: 21 [2025-01-08 22:28:43,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-08 22:28:43,532 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 23 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-08 22:28:43,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 9 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-08 22:28:43,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2025-01-08 22:28:43,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 17. [2025-01-08 22:28:43,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.375) internal successors, (22), 16 states have internal predecessors, (22), 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) [2025-01-08 22:28:43,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2025-01-08 22:28:43,543 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 22 transitions. Word has length 12 [2025-01-08 22:28:43,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-08 22:28:43,543 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 22 transitions. [2025-01-08 22:28:43,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-01-08 22:28:43,544 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2025-01-08 22:28:43,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-01-08 22:28:43,544 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:28:43,544 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-08 22:28:43,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-08 22:28:43,545 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-08 22:28:43,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:28:43,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1862078995, now seen corresponding path program 1 times [2025-01-08 22:28:43,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:28:43,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868510243] [2025-01-08 22:28:43,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:28:43,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:28:43,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-08 22:28:43,582 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-08 22:28:43,582 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:28:43,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:28:43,710 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:28:43,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-08 22:28:43,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868510243] [2025-01-08 22:28:43,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868510243] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-08 22:28:43,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539844181] [2025-01-08 22:28:43,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-08 22:28:43,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-08 22:28:43,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:28:43,713 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) [2025-01-08 22:28:43,714 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 [2025-01-08 22:28:43,750 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-08 22:28:43,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-08 22:28:43,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-08 22:28:43,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:28:43,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-08 22:28:43,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-08 22:28:43,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:28:43,851 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-08 22:28:43,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:28:43,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539844181] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-08 22:28:43,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-08 22:28:43,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-01-08 22:28:43,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761050249] [2025-01-08 22:28:43,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-08 22:28:43,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-08 22:28:43,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-08 22:28:43,900 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-08 22:28:43,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-01-08 22:28:43,900 INFO L87 Difference]: Start difference. First operand 17 states and 22 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2025-01-08 22:28:43,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-08 22:28:43,995 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2025-01-08 22:28:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-08 22:28:43,995 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) Word has length 13 [2025-01-08 22:28:43,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-08 22:28:43,996 INFO L225 Difference]: With dead ends: 49 [2025-01-08 22:28:43,996 INFO L226 Difference]: Without dead ends: 35 [2025-01-08 22:28:43,996 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2025-01-08 22:28:43,997 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 59 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-08 22:28:43,997 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 18 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-08 22:28:43,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2025-01-08 22:28:44,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2025-01-08 22:28:44,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 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) [2025-01-08 22:28:44,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2025-01-08 22:28:44,003 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 37 transitions. Word has length 13 [2025-01-08 22:28:44,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-08 22:28:44,004 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 37 transitions. [2025-01-08 22:28:44,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 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) [2025-01-08 22:28:44,004 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2025-01-08 22:28:44,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-01-08 22:28:44,004 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:28:44,004 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-08 22:28:44,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-08 22:28:44,209 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-08 22:28:44,209 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-08 22:28:44,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:28:44,209 INFO L85 PathProgramCache]: Analyzing trace with hash 40898739, now seen corresponding path program 2 times [2025-01-08 22:28:44,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:28:44,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503496176] [2025-01-08 22:28:44,210 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-08 22:28:44,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:28:44,223 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 2 equivalence classes. [2025-01-08 22:28:44,231 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-01-08 22:28:44,232 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-08 22:28:44,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:28:44,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-08 22:28:44,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-08 22:28:44,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503496176] [2025-01-08 22:28:44,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503496176] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-08 22:28:44,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636629841] [2025-01-08 22:28:44,315 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-08 22:28:44,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-08 22:28:44,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:28:44,318 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) [2025-01-08 22:28:44,320 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 [2025-01-08 22:28:44,355 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 16 statements into 2 equivalence classes. [2025-01-08 22:28:44,374 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 16 of 16 statements. [2025-01-08 22:28:44,374 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-08 22:28:44,374 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:28:44,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-01-08 22:28:44,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-08 22:28:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:28:44,469 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-08 22:28:44,558 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-08 22:28:44,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636629841] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-08 22:28:44,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-08 22:28:44,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 8, 8] total 16 [2025-01-08 22:28:44,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419699316] [2025-01-08 22:28:44,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-08 22:28:44,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-08 22:28:44,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-08 22:28:44,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-08 22:28:44,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2025-01-08 22:28:44,560 INFO L87 Difference]: Start difference. First operand 29 states and 37 transitions. Second operand has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 states have internal predecessors, (31), 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) [2025-01-08 22:28:45,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-08 22:28:45,169 INFO L93 Difference]: Finished difference Result 232 states and 290 transitions. [2025-01-08 22:28:45,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-08 22:28:45,169 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 states have internal predecessors, (31), 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) Word has length 16 [2025-01-08 22:28:45,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-08 22:28:45,171 INFO L225 Difference]: With dead ends: 232 [2025-01-08 22:28:45,172 INFO L226 Difference]: Without dead ends: 206 [2025-01-08 22:28:45,173 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=629, Invalid=1093, Unknown=0, NotChecked=0, Total=1722 [2025-01-08 22:28:45,174 INFO L435 NwaCegarLoop]: 5 mSDtfsCounter, 660 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 660 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-08 22:28:45,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [660 Valid, 42 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-08 22:28:45,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2025-01-08 22:28:45,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 67. [2025-01-08 22:28:45,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 66 states have (on average 1.2575757575757576) internal successors, (83), 66 states have internal predecessors, (83), 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) [2025-01-08 22:28:45,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2025-01-08 22:28:45,199 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 16 [2025-01-08 22:28:45,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-08 22:28:45,200 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2025-01-08 22:28:45,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.9375) internal successors, (31), 16 states have internal predecessors, (31), 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) [2025-01-08 22:28:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2025-01-08 22:28:45,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-08 22:28:45,201 INFO L210 NwaCegarLoop]: Found error trace [2025-01-08 22:28:45,201 INFO L218 NwaCegarLoop]: trace histogram [20, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-08 22:28:45,208 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 [2025-01-08 22:28:45,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-08 22:28:45,402 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-08 22:28:45,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-08 22:28:45,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2000954887, now seen corresponding path program 3 times [2025-01-08 22:28:45,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-08 22:28:45,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832826389] [2025-01-08 22:28:45,402 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-08 22:28:45,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-08 22:28:45,419 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 36 statements into 15 equivalence classes. [2025-01-08 22:28:45,471 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 34 of 36 statements. [2025-01-08 22:28:45,471 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-01-08 22:28:45,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:28:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 126 proven. 55 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2025-01-08 22:28:45,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-08 22:28:45,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832826389] [2025-01-08 22:28:45,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832826389] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-08 22:28:45,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991055804] [2025-01-08 22:28:45,788 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-08 22:28:45,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-08 22:28:45,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-08 22:28:45,791 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) [2025-01-08 22:28:45,792 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 [2025-01-08 22:28:45,843 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 36 statements into 15 equivalence classes. [2025-01-08 22:28:46,095 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 32 of 36 statements. [2025-01-08 22:28:46,095 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-01-08 22:28:46,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-08 22:28:46,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 88 conjuncts are in the unsatisfiable core [2025-01-08 22:28:46,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-08 22:28:46,208 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 [2025-01-08 22:28:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 21 treesize of output 20 [2025-01-08 22:28:46,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,379 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-08 22:28:46,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2025-01-08 22:28:46,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:46,505 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-08 22:28:46,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2025-01-08 22:28:52,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:52,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:52,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:52,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:52,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:52,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:52,253 INFO L349 Elim1Store]: treesize reduction 70, result has 33.3 percent of original size [2025-01-08 22:28:52,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 56 [2025-01-08 22:28:56,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:56,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:56,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:56,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:56,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:56,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:28:56,958 INFO L349 Elim1Store]: treesize reduction 70, result has 33.3 percent of original size [2025-01-08 22:28:56,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 56 [2025-01-08 22:29:05,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:05,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:05,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:05,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:05,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:05,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:05,101 INFO L349 Elim1Store]: treesize reduction 70, result has 33.3 percent of original size [2025-01-08 22:29:05,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 56 [2025-01-08 22:29:09,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:09,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:09,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:09,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:09,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:09,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:09,960 INFO L349 Elim1Store]: treesize reduction 70, result has 33.3 percent of original size [2025-01-08 22:29:09,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 56 [2025-01-08 22:29:16,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:16,823 INFO L349 Elim1Store]: treesize reduction 70, result has 33.3 percent of original size [2025-01-08 22:29:16,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 56 [2025-01-08 22:29:21,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:21,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:21,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:21,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:21,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:21,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:21,485 INFO L349 Elim1Store]: treesize reduction 70, result has 33.3 percent of original size [2025-01-08 22:29:21,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 48 treesize of output 56 [2025-01-08 22:29:26,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:26,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:26,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:26,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:26,105 INFO L349 Elim1Store]: treesize reduction 190, result has 18.8 percent of original size [2025-01-08 22:29:26,106 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 64 treesize of output 75 [2025-01-08 22:29:35,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:35,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:35,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:35,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:35,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:35,614 INFO L349 Elim1Store]: treesize reduction 290, result has 17.1 percent of original size [2025-01-08 22:29:35,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 6 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 80 treesize of output 94 [2025-01-08 22:29:54,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,470 INFO L349 Elim1Store]: treesize reduction 422, result has 15.3 percent of original size [2025-01-08 22:29:54,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 6 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 97 treesize of output 114 [2025-01-08 22:29:54,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,786 INFO L349 Elim1Store]: treesize reduction 525, result has 12.6 percent of original size [2025-01-08 22:29:54,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 35 case distinctions, treesize of input 114 treesize of output 134 [2025-01-08 22:29:54,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:54,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,115 INFO L349 Elim1Store]: treesize reduction 628, result has 10.8 percent of original size [2025-01-08 22:29:55,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 6 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 43 case distinctions, treesize of input 131 treesize of output 154 [2025-01-08 22:29:55,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,465 INFO L349 Elim1Store]: treesize reduction 731, result has 9.4 percent of original size [2025-01-08 22:29:55,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 6 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 52 case distinctions, treesize of input 148 treesize of output 174 [2025-01-08 22:29:55,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:55,817 INFO L349 Elim1Store]: treesize reduction 834, result has 8.4 percent of original size [2025-01-08 22:29:55,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 6 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 62 case distinctions, treesize of input 165 treesize of output 194 [2025-01-08 22:29:56,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,208 INFO L349 Elim1Store]: treesize reduction 937, result has 7.5 percent of original size [2025-01-08 22:29:56,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 6 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 73 case distinctions, treesize of input 182 treesize of output 214 [2025-01-08 22:29:56,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,682 INFO L349 Elim1Store]: treesize reduction 1040, result has 6.8 percent of original size [2025-01-08 22:29:56,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 6 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 85 case distinctions, treesize of input 199 treesize of output 234 [2025-01-08 22:29:56,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:56,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-08 22:29:57,162 INFO L349 Elim1Store]: treesize reduction 1119, result has 6.4 percent of original size [2025-01-08 22:29:57,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 6 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 98 case distinctions, treesize of input 215 treesize of output 253