./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i --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/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i -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 c9660027c68c4b9a4c9b5d2fcf28f08d02ad5d65bde0be334146e93683fb06d5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:17:35,275 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:17:35,326 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 16:17:35,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:17:35,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:17:35,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:17:35,350 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:17:35,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:17:35,351 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:17:35,351 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:17:35,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:17:35,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:17:35,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:17:35,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:17:35,352 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:17:35,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:17:35,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:17:35,353 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 16:17:35,353 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:17:35,353 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 16:17:35,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:17:35,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:17:35,353 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:17:35,353 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:17:35,353 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 16:17:35,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:17:35,354 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:17:35,354 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:17:35,354 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:17:35,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:17:35,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:17:35,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:17:35,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:17:35,355 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:17:35,355 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:17:35,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:17:35,355 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 -> c9660027c68c4b9a4c9b5d2fcf28f08d02ad5d65bde0be334146e93683fb06d5 [2025-01-09 16:17:35,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:17:35,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:17:35,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:17:35,584 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:17:35,584 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:17:35,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i [2025-01-09 16:17:36,745 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b97a2508/f82ba3a62d2244ebbea568436c657b43/FLAG9e0d1f5aa [2025-01-09 16:17:36,984 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:17:36,985 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i [2025-01-09 16:17:36,991 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b97a2508/f82ba3a62d2244ebbea568436c657b43/FLAG9e0d1f5aa [2025-01-09 16:17:37,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6b97a2508/f82ba3a62d2244ebbea568436c657b43 [2025-01-09 16:17:37,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:17:37,009 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:17:37,009 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:17:37,010 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:17:37,012 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:17:37,013 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18185998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37, skipping insertion in model container [2025-01-09 16:17:37,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,031 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:17:37,132 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/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i[917,930] [2025-01-09 16:17:37,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:17:37,177 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:17:37,185 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/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i[917,930] [2025-01-09 16:17:37,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:17:37,222 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:17:37,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37 WrapperNode [2025-01-09 16:17:37,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:17:37,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:17:37,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:17:37,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:17:37,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,240 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,265 INFO L138 Inliner]: procedures = 30, calls = 145, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 444 [2025-01-09 16:17:37,266 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:17:37,266 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:17:37,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:17:37,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:17:37,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,286 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 16:17:37,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,298 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,301 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,309 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,310 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,317 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:17:37,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:17:37,318 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:17:37,318 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:17:37,320 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (1/1) ... [2025-01-09 16:17:37,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:17:37,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:17:37,349 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) [2025-01-09 16:17:37,351 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 [2025-01-09 16:17:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:17:37,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-01-09 16:17:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-09 16:17:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-01-09 16:17:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 16:17:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-01-09 16:17:37,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 16:17:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:17:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:17:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 16:17:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:17:37,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:17:37,477 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:17:37,479 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:17:38,001 INFO L? ?]: Removed 86 outVars from TransFormulas that were not future-live. [2025-01-09 16:17:38,001 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:17:38,011 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:17:38,011 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 16:17:38,012 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:17:38 BoogieIcfgContainer [2025-01-09 16:17:38,012 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:17:38,014 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:17:38,014 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:17:38,017 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:17:38,017 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:17:37" (1/3) ... [2025-01-09 16:17:38,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6ebe42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:17:38, skipping insertion in model container [2025-01-09 16:17:38,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:17:37" (2/3) ... [2025-01-09 16:17:38,018 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b6ebe42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:17:38, skipping insertion in model container [2025-01-09 16:17:38,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:17:38" (3/3) ... [2025-01-09 16:17:38,019 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-97.i [2025-01-09 16:17:38,030 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:17:38,031 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-97.i that has 2 procedures, 107 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 16:17:38,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:17:38,090 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;@5acf3fdc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:17:38,090 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:17:38,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 88 states have internal predecessors, (121), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 16:17:38,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 16:17:38,104 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:17:38,104 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:17:38,105 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:17:38,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:17:38,110 INFO L85 PathProgramCache]: Analyzing trace with hash 989941791, now seen corresponding path program 1 times [2025-01-09 16:17:38,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:17:38,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441090443] [2025-01-09 16:17:38,116 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:38,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:17:38,235 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 16:17:38,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 16:17:38,327 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:38,327 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:38,707 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-01-09 16:17:38,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:17:38,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441090443] [2025-01-09 16:17:38,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441090443] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:17:38,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838485091] [2025-01-09 16:17:38,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:38,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:17:38,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:17:38,711 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) [2025-01-09 16:17:38,713 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 [2025-01-09 16:17:38,841 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 16:17:38,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 16:17:38,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:38,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:38,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 16:17:38,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:17:38,983 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-09 16:17:38,984 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:17:38,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838485091] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:17:38,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:17:38,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-01-09 16:17:38,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610106869] [2025-01-09 16:17:38,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:17:38,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 16:17:38,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:17:39,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 16:17:39,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:17:39,002 INFO L87 Difference]: Start difference. First operand has 107 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 88 states have internal predecessors, (121), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:39,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:17:39,049 INFO L93 Difference]: Finished difference Result 211 states and 326 transitions. [2025-01-09 16:17:39,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 16:17:39,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2025-01-09 16:17:39,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:17:39,055 INFO L225 Difference]: With dead ends: 211 [2025-01-09 16:17:39,056 INFO L226 Difference]: Without dead ends: 107 [2025-01-09 16:17:39,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:17:39,060 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 16:17:39,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 430 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:17:39,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2025-01-09 16:17:39,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 106. [2025-01-09 16:17:39,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 87 states have (on average 1.3563218390804597) internal successors, (118), 87 states have internal predecessors, (118), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 16:17:39,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 152 transitions. [2025-01-09 16:17:39,089 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 152 transitions. Word has length 134 [2025-01-09 16:17:39,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:17:39,091 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 152 transitions. [2025-01-09 16:17:39,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:39,091 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 152 transitions. [2025-01-09 16:17:39,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 16:17:39,093 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:17:39,093 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:17:39,100 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 [2025-01-09 16:17:39,293 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 [2025-01-09 16:17:39,294 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:17:39,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:17:39,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1670000161, now seen corresponding path program 1 times [2025-01-09 16:17:39,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:17:39,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432816484] [2025-01-09 16:17:39,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:39,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:17:39,329 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 16:17:39,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 16:17:39,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:39,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:39,550 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-01-09 16:17:39,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:17:39,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432816484] [2025-01-09 16:17:39,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432816484] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:17:39,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433580529] [2025-01-09 16:17:39,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:39,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:17:39,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:17:39,552 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) [2025-01-09 16:17:39,554 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 [2025-01-09 16:17:39,675 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 16:17:39,741 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 16:17:39,741 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:39,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:39,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 16:17:39,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:17:39,769 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-09 16:17:39,770 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:17:39,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433580529] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:17:39,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:17:39,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-01-09 16:17:39,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788956700] [2025-01-09 16:17:39,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:17:39,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 16:17:39,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:17:39,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 16:17:39,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:17:39,773 INFO L87 Difference]: Start difference. First operand 106 states and 152 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:17:39,800 INFO L93 Difference]: Finished difference Result 212 states and 305 transitions. [2025-01-09 16:17:39,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 16:17:39,801 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2025-01-09 16:17:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:17:39,803 INFO L225 Difference]: With dead ends: 212 [2025-01-09 16:17:39,803 INFO L226 Difference]: Without dead ends: 109 [2025-01-09 16:17:39,804 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:17:39,804 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 16:17:39,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 431 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:17:39,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2025-01-09 16:17:39,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2025-01-09 16:17:39,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 89 states have (on average 1.348314606741573) internal successors, (120), 89 states have internal predecessors, (120), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 16:17:39,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 154 transitions. [2025-01-09 16:17:39,813 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 154 transitions. Word has length 134 [2025-01-09 16:17:39,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:17:39,814 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 154 transitions. [2025-01-09 16:17:39,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:39,814 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 154 transitions. [2025-01-09 16:17:39,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 16:17:39,815 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:17:39,815 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:17:39,822 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 [2025-01-09 16:17:40,016 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 [2025-01-09 16:17:40,016 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:17:40,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:17:40,017 INFO L85 PathProgramCache]: Analyzing trace with hash -849959773, now seen corresponding path program 1 times [2025-01-09 16:17:40,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:17:40,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093030184] [2025-01-09 16:17:40,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:40,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:17:40,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 16:17:40,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 16:17:40,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:40,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:40,246 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-01-09 16:17:40,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:17:40,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093030184] [2025-01-09 16:17:40,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093030184] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:17:40,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [369552656] [2025-01-09 16:17:40,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:40,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:17:40,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:17:40,248 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) [2025-01-09 16:17:40,250 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 [2025-01-09 16:17:40,392 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 16:17:40,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 16:17:40,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:40,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:40,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 16:17:40,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:17:40,503 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-09 16:17:40,503 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:17:40,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [369552656] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:17:40,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:17:40,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 8 [2025-01-09 16:17:40,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333293873] [2025-01-09 16:17:40,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:17:40,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 16:17:40,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:17:40,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 16:17:40,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:17:40,505 INFO L87 Difference]: Start difference. First operand 108 states and 154 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:40,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:17:40,530 INFO L93 Difference]: Finished difference Result 216 states and 309 transitions. [2025-01-09 16:17:40,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 16:17:40,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2025-01-09 16:17:40,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:17:40,531 INFO L225 Difference]: With dead ends: 216 [2025-01-09 16:17:40,531 INFO L226 Difference]: Without dead ends: 111 [2025-01-09 16:17:40,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:17:40,532 INFO L435 NwaCegarLoop]: 147 mSDtfsCounter, 1 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 16:17:40,533 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 433 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:17:40,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-01-09 16:17:40,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2025-01-09 16:17:40,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 91 states have (on average 1.3406593406593406) internal successors, (122), 91 states have internal predecessors, (122), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 16:17:40,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 156 transitions. [2025-01-09 16:17:40,539 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 156 transitions. Word has length 134 [2025-01-09 16:17:40,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:17:40,542 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 156 transitions. [2025-01-09 16:17:40,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:40,542 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 156 transitions. [2025-01-09 16:17:40,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-01-09 16:17:40,544 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:17:40,546 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:17:40,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-09 16:17:40,747 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 [2025-01-09 16:17:40,747 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:17:40,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:17:40,747 INFO L85 PathProgramCache]: Analyzing trace with hash -848112731, now seen corresponding path program 1 times [2025-01-09 16:17:40,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:17:40,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699924918] [2025-01-09 16:17:40,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:40,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:17:40,783 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 16:17:40,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 16:17:40,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:40,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:40,961 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 42 proven. 6 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-01-09 16:17:40,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:17:40,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699924918] [2025-01-09 16:17:40,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699924918] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:17:40,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1788671929] [2025-01-09 16:17:40,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:40,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:17:40,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:17:40,963 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) [2025-01-09 16:17:40,965 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 [2025-01-09 16:17:41,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-01-09 16:17:41,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-01-09 16:17:41,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:41,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:41,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-09 16:17:41,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:17:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-09 16:17:41,197 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:17:41,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1788671929] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:17:41,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:17:41,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 7 [2025-01-09 16:17:41,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697700232] [2025-01-09 16:17:41,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:17:41,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-09 16:17:41,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:17:41,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-09 16:17:41,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-09 16:17:41,198 INFO L87 Difference]: Start difference. First operand 110 states and 156 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:41,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:17:41,218 INFO L93 Difference]: Finished difference Result 219 states and 312 transitions. [2025-01-09 16:17:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-09 16:17:41,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 134 [2025-01-09 16:17:41,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:17:41,220 INFO L225 Difference]: With dead ends: 219 [2025-01-09 16:17:41,220 INFO L226 Difference]: Without dead ends: 112 [2025-01-09 16:17:41,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-01-09 16:17:41,221 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 0 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 16:17:41,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 433 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:17:41,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-01-09 16:17:41,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2025-01-09 16:17:41,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 93 states have (on average 1.3333333333333333) internal successors, (124), 93 states have internal predecessors, (124), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 16:17:41,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 158 transitions. [2025-01-09 16:17:41,231 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 158 transitions. Word has length 134 [2025-01-09 16:17:41,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:17:41,231 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 158 transitions. [2025-01-09 16:17:41,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:41,231 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 158 transitions. [2025-01-09 16:17:41,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-09 16:17:41,234 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:17:41,234 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:17:41,242 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 [2025-01-09 16:17:41,439 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 [2025-01-09 16:17:41,439 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:17:41,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:17:41,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1843520809, now seen corresponding path program 1 times [2025-01-09 16:17:41,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:17:41,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155255752] [2025-01-09 16:17:41,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:41,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:17:41,466 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 16:17:41,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 16:17:41,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:41,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-01-09 16:17:42,214 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:17:42,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155255752] [2025-01-09 16:17:42,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155255752] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:17:42,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-09 16:17:42,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-09 16:17:42,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447281922] [2025-01-09 16:17:42,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:17:42,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-09 16:17:42,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:17:42,215 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-09 16:17:42,215 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-09 16:17:42,215 INFO L87 Difference]: Start difference. First operand 112 states and 158 transitions. Second operand has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:17:42,595 INFO L93 Difference]: Finished difference Result 265 states and 370 transitions. [2025-01-09 16:17:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-09 16:17:42,596 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2025-01-09 16:17:42,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:17:42,597 INFO L225 Difference]: With dead ends: 265 [2025-01-09 16:17:42,597 INFO L226 Difference]: Without dead ends: 156 [2025-01-09 16:17:42,598 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-01-09 16:17:42,598 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 321 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 321 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-09 16:17:42,598 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [321 Valid, 359 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-09 16:17:42,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-01-09 16:17:42,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 114. [2025-01-09 16:17:42,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 95 states have (on average 1.3263157894736841) internal successors, (126), 95 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-01-09 16:17:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2025-01-09 16:17:42,605 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 136 [2025-01-09 16:17:42,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:17:42,606 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2025-01-09 16:17:42,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.75) internal successors, (54), 8 states have internal predecessors, (54), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2025-01-09 16:17:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2025-01-09 16:17:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-01-09 16:17:42,607 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:17:42,607 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:17:42,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-09 16:17:42,607 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:17:42,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:17:42,607 INFO L85 PathProgramCache]: Analyzing trace with hash -917257568, now seen corresponding path program 1 times [2025-01-09 16:17:42,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:17:42,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546772710] [2025-01-09 16:17:42,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:42,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:17:42,632 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 16:17:42,792 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 16:17:42,792 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:42,792 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:44,373 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2025-01-09 16:17:44,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:17:44,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546772710] [2025-01-09 16:17:44,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546772710] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:17:44,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630819716] [2025-01-09 16:17:44,375 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:17:44,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:17:44,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:17:44,377 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) [2025-01-09 16:17:44,378 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 [2025-01-09 16:17:44,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-01-09 16:17:44,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-01-09 16:17:44,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:17:44,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:17:44,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-01-09 16:17:44,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:17:46,741 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 [2025-01-09 16:17:47,301 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 25 treesize of output 13 [2025-01-09 16:17:47,639 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 25 treesize of output 13 [2025-01-09 16:17:47,904 INFO L349 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2025-01-09 16:17:47,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 46 [2025-01-09 16:17:47,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:47,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:47,962 INFO L349 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2025-01-09 16:17:47,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2025-01-09 16:17:48,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,030 INFO L349 Elim1Store]: treesize reduction 62, result has 23.5 percent of original size [2025-01-09 16:17:48,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 31 [2025-01-09 16:17:48,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,091 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2025-01-09 16:17:48,092 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 13 [2025-01-09 16:17:48,238 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2025-01-09 16:17:48,239 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 24 [2025-01-09 16:17:48,347 INFO L349 Elim1Store]: treesize reduction 32, result has 52.2 percent of original size [2025-01-09 16:17:48,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 108 treesize of output 110 [2025-01-09 16:17:48,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,405 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:48,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 76 treesize of output 104 [2025-01-09 16:17:48,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,513 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:48,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 37 [2025-01-09 16:17:48,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,661 INFO L349 Elim1Store]: treesize reduction 130, result has 17.2 percent of original size [2025-01-09 16:17:48,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 76 treesize of output 122 [2025-01-09 16:17:48,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:48,752 INFO L349 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2025-01-09 16:17:48,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 53 [2025-01-09 16:17:49,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:49,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,052 INFO L349 Elim1Store]: treesize reduction 698, result has 20.0 percent of original size [2025-01-09 16:17:50,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 8 select indices, 8 select index equivalence classes, 2 disjoint index pairs (out of 28 index pairs), introduced 12 new quantified variables, introduced 52 case distinctions, treesize of input 154 treesize of output 396 [2025-01-09 16:17:50,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,173 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:50,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 66 [2025-01-09 16:17:50,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,225 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:50,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 66 [2025-01-09 16:17:50,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:50,324 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:50,324 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 66 [2025-01-09 16:17:51,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:51,521 INFO L349 Elim1Store]: treesize reduction 635, result has 11.9 percent of original size [2025-01-09 16:17:51,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 7 select indices, 7 select index equivalence classes, 1 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 40 case distinctions, treesize of input 289 treesize of output 432 [2025-01-09 16:17:53,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:53,487 INFO L349 Elim1Store]: treesize reduction 90, result has 41.2 percent of original size [2025-01-09 16:17:53,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 63 treesize of output 107 [2025-01-09 16:17:53,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:53,642 INFO L349 Elim1Store]: treesize reduction 254, result has 12.1 percent of original size [2025-01-09 16:17:53,642 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 16 case distinctions, treesize of input 194 treesize of output 306 [2025-01-09 16:17:54,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:54,507 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:54,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2025-01-09 16:17:54,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:54,537 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:54,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2025-01-09 16:17:54,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:54,565 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:54,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 26 [2025-01-09 16:17:54,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:54,829 INFO L349 Elim1Store]: treesize reduction 389, result has 11.8 percent of original size [2025-01-09 16:17:54,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 286 treesize of output 411 [2025-01-09 16:17:55,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:55,907 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:55,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 70 [2025-01-09 16:17:56,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:56,043 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:56,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 70 [2025-01-09 16:17:56,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:56,131 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:17:56,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 70 [2025-01-09 16:17:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:56,960 INFO L349 Elim1Store]: treesize reduction 126, result has 28.8 percent of original size [2025-01-09 16:17:56,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 64 treesize of output 113 [2025-01-09 16:17:57,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:57,040 INFO L349 Elim1Store]: treesize reduction 81, result has 28.3 percent of original size [2025-01-09 16:17:57,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 64 treesize of output 113 [2025-01-09 16:17:57,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:57,112 INFO L349 Elim1Store]: treesize reduction 70, result has 21.3 percent of original size [2025-01-09 16:17:57,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 79 [2025-01-09 16:17:57,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:57,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 35 [2025-01-09 16:17:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:57,294 INFO L349 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2025-01-09 16:17:57,294 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 86 treesize of output 159 [2025-01-09 16:17:57,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:57,546 INFO L349 Elim1Store]: treesize reduction 90, result has 41.2 percent of original size [2025-01-09 16:17:57,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 81 treesize of output 125 [2025-01-09 16:17:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:57,739 INFO L349 Elim1Store]: treesize reduction 147, result has 39.0 percent of original size [2025-01-09 16:17:57,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 68 treesize of output 141 [2025-01-09 16:17:57,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:58,012 INFO L349 Elim1Store]: treesize reduction 389, result has 11.8 percent of original size [2025-01-09 16:17:58,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 10 new quantified variables, introduced 25 case distinctions, treesize of input 199 treesize of output 326 [2025-01-09 16:17:59,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,447 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2025-01-09 16:17:59,447 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 34 [2025-01-09 16:17:59,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,526 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2025-01-09 16:17:59,527 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2025-01-09 16:17:59,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,615 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2025-01-09 16:17:59,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2025-01-09 16:17:59,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,682 INFO L349 Elim1Store]: treesize reduction 96, result has 10.3 percent of original size [2025-01-09 16:17:59,682 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 67 treesize of output 64 [2025-01-09 16:17:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:17:59,746 INFO L349 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2025-01-09 16:17:59,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 34 [2025-01-09 16:18:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:00,560 INFO L349 Elim1Store]: treesize reduction 532, result has 11.5 percent of original size [2025-01-09 16:18:00,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 11 new quantified variables, introduced 35 case distinctions, treesize of input 291 treesize of output 431 [2025-01-09 16:18:01,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:01,944 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:18:01,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 70 [2025-01-09 16:18:02,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:02,158 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2025-01-09 16:18:02,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 70 [2025-01-09 16:18:02,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:02,319 INFO L349 Elim1Store]: treesize reduction 91, result has 5.2 percent of original size [2025-01-09 16:18:02,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 122 treesize of output 144 [2025-01-09 16:18:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:03,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:03,071 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2025-01-09 16:18:03,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2025-01-09 16:18:03,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:03,119 INFO L349 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2025-01-09 16:18:03,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 46 [2025-01-09 16:18:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:03,285 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2025-01-09 16:18:03,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2025-01-09 16:18:04,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:04,154 INFO L349 Elim1Store]: treesize reduction 224, result has 33.5 percent of original size [2025-01-09 16:18:04,154 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 1 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 18 case distinctions, treesize of input 91 treesize of output 181 [2025-01-09 16:18:04,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:04,663 INFO L349 Elim1Store]: treesize reduction 159, result has 34.0 percent of original size [2025-01-09 16:18:04,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 86 treesize of output 147 [2025-01-09 16:18:05,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:05,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:18:05,671 INFO L349 Elim1Store]: treesize reduction 184, result has 29.5 percent of original size [2025-01-09 16:18:05,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 2 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 23 case distinctions, treesize of input 77 treesize of output 141