./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/array-multidimensional/rev-3-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/rev-3-u.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 17:10:35,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 17:10:35,980 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 17:10:35,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 17:10:35,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 17:10:36,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 17:10:36,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 17:10:36,018 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 17:10:36,018 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 17:10:36,019 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 17:10:36,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 17:10:36,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 17:10:36,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 17:10:36,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 17:10:36,020 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 17:10:36,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 17:10:36,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 17:10:36,020 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 17:10:36,021 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 17:10:36,021 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 17:10:36,021 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 17:10:36,021 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 17:10:36,021 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 17:10:36,021 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 17:10:36,021 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 17:10:36,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 17:10:36,022 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 17:10:36,022 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 17:10:36,022 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 17:10:36,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 17:10:36,022 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 17:10:36,022 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 17:10:36,022 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 17:10:36,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 17:10:36,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 17:10:36,023 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 17:10:36,023 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 17:10:36,023 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 17:10:36,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 17:10:36,023 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 17:10:36,024 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 17:10:36,024 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 17:10:36,024 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 17:10:36,024 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 -> fe3cf414f0e241a9a4e73e59647cf6619ea50b905df4a1c2a404b3413992b780 [2025-02-07 17:10:36,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 17:10:36,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 17:10:36,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 17:10:36,313 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 17:10:36,313 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 17:10:36,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/rev-3-u.c [2025-02-07 17:10:37,588 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aa276358a/35b03f671f5a48b0a65c0f10931db8bf/FLAG9de4bae90 [2025-02-07 17:10:37,854 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 17:10:37,854 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-3-u.c [2025-02-07 17:10:37,869 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aa276358a/35b03f671f5a48b0a65c0f10931db8bf/FLAG9de4bae90 [2025-02-07 17:10:38,149 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/aa276358a/35b03f671f5a48b0a65c0f10931db8bf [2025-02-07 17:10:38,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 17:10:38,152 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 17:10:38,153 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 17:10:38,153 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 17:10:38,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 17:10:38,157 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,160 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6ac75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38, skipping insertion in model container [2025-02-07 17:10:38,160 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 17:10:38,303 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-3-u.c[319,332] [2025-02-07 17:10:38,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 17:10:38,337 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 17:10:38,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-3-u.c[319,332] [2025-02-07 17:10:38,361 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 17:10:38,374 INFO L204 MainTranslator]: Completed translation [2025-02-07 17:10:38,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38 WrapperNode [2025-02-07 17:10:38,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 17:10:38,377 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 17:10:38,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 17:10:38,378 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 17:10:38,383 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,389 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,407 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 79 [2025-02-07 17:10:38,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 17:10:38,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 17:10:38,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 17:10:38,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 17:10:38,417 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,418 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,436 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 3, 2]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2025-02-07 17:10:38,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,444 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,454 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 17:10:38,455 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 17:10:38,455 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 17:10:38,455 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 17:10:38,456 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (1/1) ... [2025-02-07 17:10:38,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 17:10:38,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 17:10:38,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 17:10:38,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 17:10:38,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 17:10:38,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 17:10:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 17:10:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 17:10:38,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 17:10:38,567 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 17:10:38,569 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 17:10:38,716 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L18: call ULTIMATE.dealloc(main_~#A~0#1.base, main_~#A~0#1.offset);havoc main_~#A~0#1.base, main_~#A~0#1.offset;call ULTIMATE.dealloc(main_~#B~0#1.base, main_~#B~0#1.offset);havoc main_~#B~0#1.base, main_~#B~0#1.offset; [2025-02-07 17:10:38,716 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L71: havoc __VERIFIER_assert_~cond#1;havoc __VERIFIER_assert_#in~cond#1;assume { :end_inline___VERIFIER_assert } true;havoc main_#t~mem6#1;havoc main_#t~mem7#1;main_~k~0#1 := 1 + main_~k~0#1; [2025-02-07 17:10:38,731 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2025-02-07 17:10:38,731 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 17:10:38,740 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 17:10:38,741 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 17:10:38,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 05:10:38 BoogieIcfgContainer [2025-02-07 17:10:38,741 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 17:10:38,744 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 17:10:38,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 17:10:38,747 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 17:10:38,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 05:10:38" (1/3) ... [2025-02-07 17:10:38,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb21a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 05:10:38, skipping insertion in model container [2025-02-07 17:10:38,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 05:10:38" (2/3) ... [2025-02-07 17:10:38,748 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb21a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 05:10:38, skipping insertion in model container [2025-02-07 17:10:38,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 05:10:38" (3/3) ... [2025-02-07 17:10:38,749 INFO L128 eAbstractionObserver]: Analyzing ICFG rev-3-u.c [2025-02-07 17:10:38,761 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 17:10:38,763 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG rev-3-u.c that has 1 procedures, 17 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-02-07 17:10:38,809 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 17:10:38,821 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;@4661a614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 17:10:38,821 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 17:10:38,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:38,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-07 17:10:38,829 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 17:10:38,829 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 17:10:38,830 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 17:10:38,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 17:10:38,835 INFO L85 PathProgramCache]: Analyzing trace with hash -95741864, now seen corresponding path program 1 times [2025-02-07 17:10:38,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 17:10:38,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437154794] [2025-02-07 17:10:38,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 17:10:38,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 17:10:38,906 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-07 17:10:38,928 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-07 17:10:38,929 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 17:10:38,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:39,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 17:10:39,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 17:10:39,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437154794] [2025-02-07 17:10:39,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437154794] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 17:10:39,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 17:10:39,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-07 17:10:39,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617101031] [2025-02-07 17:10:39,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 17:10:39,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-07 17:10:39,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 17:10:39,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-07 17:10:39,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 17:10:39,102 INFO L87 Difference]: Start difference. First operand has 17 states, 14 states have (on average 1.7857142857142858) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 17:10:39,153 INFO L93 Difference]: Finished difference Result 33 states and 49 transitions. [2025-02-07 17:10:39,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-07 17:10:39,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-07 17:10:39,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 17:10:39,160 INFO L225 Difference]: With dead ends: 33 [2025-02-07 17:10:39,160 INFO L226 Difference]: Without dead ends: 16 [2025-02-07 17:10:39,162 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-07 17:10:39,165 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 17:10:39,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 23 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 17:10:39,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-02-07 17:10:39,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2025-02-07 17:10:39,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 13 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 21 transitions. [2025-02-07 17:10:39,187 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 21 transitions. Word has length 8 [2025-02-07 17:10:39,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 17:10:39,188 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 21 transitions. [2025-02-07 17:10:39,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2025-02-07 17:10:39,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2025-02-07 17:10:39,189 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 17:10:39,189 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 17:10:39,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 17:10:39,189 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 17:10:39,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 17:10:39,191 INFO L85 PathProgramCache]: Analyzing trace with hash -969428964, now seen corresponding path program 1 times [2025-02-07 17:10:39,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 17:10:39,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924783944] [2025-02-07 17:10:39,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 17:10:39,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 17:10:39,204 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 10 statements into 1 equivalence classes. [2025-02-07 17:10:39,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 10 of 10 statements. [2025-02-07 17:10:39,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 17:10:39,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:39,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 17:10:39,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 17:10:39,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924783944] [2025-02-07 17:10:39,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924783944] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 17:10:39,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 17:10:39,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 17:10:39,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138197670] [2025-02-07 17:10:39,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 17:10:39,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 17:10:39,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 17:10:39,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 17:10:39,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-07 17:10:39,282 INFO L87 Difference]: Start difference. First operand 14 states and 21 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 17:10:39,343 INFO L93 Difference]: Finished difference Result 32 states and 52 transitions. [2025-02-07 17:10:39,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 17:10:39,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2025-02-07 17:10:39,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 17:10:39,344 INFO L225 Difference]: With dead ends: 32 [2025-02-07 17:10:39,344 INFO L226 Difference]: Without dead ends: 20 [2025-02-07 17:10:39,345 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-07 17:10:39,345 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 28 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-07 17:10:39,345 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 5 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-07 17:10:39,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2025-02-07 17:10:39,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 17. [2025-02-07 17:10:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 24 transitions. [2025-02-07 17:10:39,355 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 24 transitions. Word has length 10 [2025-02-07 17:10:39,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 17:10:39,356 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 24 transitions. [2025-02-07 17:10:39,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,356 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2025-02-07 17:10:39,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-07 17:10:39,357 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 17:10:39,357 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 17:10:39,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-07 17:10:39,357 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 17:10:39,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 17:10:39,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1768713530, now seen corresponding path program 1 times [2025-02-07 17:10:39,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 17:10:39,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27854441] [2025-02-07 17:10:39,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 17:10:39,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 17:10:39,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-07 17:10:39,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-07 17:10:39,390 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 17:10:39,390 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:39,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-07 17:10:39,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 17:10:39,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27854441] [2025-02-07 17:10:39,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [27854441] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 17:10:39,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 17:10:39,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 17:10:39,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945845702] [2025-02-07 17:10:39,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 17:10:39,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 17:10:39,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 17:10:39,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 17:10:39,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-07 17:10:39,454 INFO L87 Difference]: Start difference. First operand 17 states and 24 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 17:10:39,495 INFO L93 Difference]: Finished difference Result 33 states and 48 transitions. [2025-02-07 17:10:39,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 17:10:39,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-02-07 17:10:39,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 17:10:39,496 INFO L225 Difference]: With dead ends: 33 [2025-02-07 17:10:39,496 INFO L226 Difference]: Without dead ends: 18 [2025-02-07 17:10:39,496 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-07 17:10:39,497 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 12 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 17:10:39,497 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 7 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 17:10:39,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-02-07 17:10:39,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-02-07 17:10:39,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 17 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2025-02-07 17:10:39,516 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 23 transitions. Word has length 12 [2025-02-07 17:10:39,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 17:10:39,516 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 23 transitions. [2025-02-07 17:10:39,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,516 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2025-02-07 17:10:39,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-07 17:10:39,518 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 17:10:39,518 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 17:10:39,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-07 17:10:39,518 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 17:10:39,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 17:10:39,521 INFO L85 PathProgramCache]: Analyzing trace with hash -205973836, now seen corresponding path program 1 times [2025-02-07 17:10:39,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 17:10:39,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250291620] [2025-02-07 17:10:39,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 17:10:39,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 17:10:39,531 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-07 17:10:39,538 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-07 17:10:39,538 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 17:10:39,538 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:39,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-07 17:10:39,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 17:10:39,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250291620] [2025-02-07 17:10:39,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250291620] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-07 17:10:39,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-07 17:10:39,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-07 17:10:39,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163342993] [2025-02-07 17:10:39,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-07 17:10:39,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-07 17:10:39,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 17:10:39,599 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-07 17:10:39,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-07 17:10:39,600 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 17:10:39,648 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2025-02-07 17:10:39,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-07 17:10:39,650 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2025-02-07 17:10:39,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 17:10:39,650 INFO L225 Difference]: With dead ends: 33 [2025-02-07 17:10:39,651 INFO L226 Difference]: Without dead ends: 27 [2025-02-07 17:10:39,651 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-07 17:10:39,652 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 16 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-07 17:10:39,652 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 7 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-07 17:10:39,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2025-02-07 17:10:39,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 19. [2025-02-07 17:10:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 18 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2025-02-07 17:10:39,659 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 24 transitions. Word has length 13 [2025-02-07 17:10:39,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 17:10:39,660 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 24 transitions. [2025-02-07 17:10:39,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:39,660 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 24 transitions. [2025-02-07 17:10:39,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-07 17:10:39,660 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 17:10:39,660 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 17:10:39,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-07 17:10:39,660 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 17:10:39,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 17:10:39,661 INFO L85 PathProgramCache]: Analyzing trace with hash 415076344, now seen corresponding path program 1 times [2025-02-07 17:10:39,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 17:10:39,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789816398] [2025-02-07 17:10:39,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 17:10:39,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 17:10:39,673 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-07 17:10:39,687 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-07 17:10:39,688 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 17:10:39,688 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-07 17:10:39,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 17:10:39,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789816398] [2025-02-07 17:10:39,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789816398] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-07 17:10:39,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494829266] [2025-02-07 17:10:39,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 17:10:39,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 17:10:39,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 17:10:39,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-07 17:10:39,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-07 17:10:39,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-07 17:10:39,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-07 17:10:39,861 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 17:10:39,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:39,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-07 17:10:39,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 17:10:39,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-07 17:10:39,925 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-07 17:10:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-02-07 17:10:39,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494829266] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-07 17:10:39,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-07 17:10:39,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2025-02-07 17:10:39,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610798395] [2025-02-07 17:10:39,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-07 17:10:39,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-07 17:10:39,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 17:10:39,960 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-07 17:10:39,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2025-02-07 17:10:39,961 INFO L87 Difference]: Start difference. First operand 19 states and 24 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:40,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 17:10:40,063 INFO L93 Difference]: Finished difference Result 42 states and 58 transitions. [2025-02-07 17:10:40,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-07 17:10:40,064 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2025-02-07 17:10:40,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 17:10:40,064 INFO L225 Difference]: With dead ends: 42 [2025-02-07 17:10:40,066 INFO L226 Difference]: Without dead ends: 25 [2025-02-07 17:10:40,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=75, Unknown=0, NotChecked=0, Total=132 [2025-02-07 17:10:40,067 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 17 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-07 17:10:40,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 13 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-07 17:10:40,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2025-02-07 17:10:40,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2025-02-07 17:10:40,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 24 states have (on average 1.25) internal successors, (30), 24 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:40,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2025-02-07 17:10:40,078 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 30 transitions. Word has length 18 [2025-02-07 17:10:40,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 17:10:40,080 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 30 transitions. [2025-02-07 17:10:40,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 9 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:40,080 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2025-02-07 17:10:40,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2025-02-07 17:10:40,081 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 17:10:40,081 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 17:10:40,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-07 17:10:40,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 17:10:40,282 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 17:10:40,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 17:10:40,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1531097576, now seen corresponding path program 2 times [2025-02-07 17:10:40,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 17:10:40,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038578938] [2025-02-07 17:10:40,282 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-07 17:10:40,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 17:10:40,298 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-02-07 17:10:40,321 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-02-07 17:10:40,321 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-07 17:10:40,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:40,419 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2025-02-07 17:10:40,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 17:10:40,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038578938] [2025-02-07 17:10:40,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038578938] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-07 17:10:40,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375519112] [2025-02-07 17:10:40,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-07 17:10:40,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 17:10:40,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 17:10:40,422 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-07 17:10:40,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-07 17:10:40,500 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-02-07 17:10:40,530 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-02-07 17:10:40,530 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-07 17:10:40,530 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:40,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-07 17:10:40,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 17:10:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-07 17:10:40,619 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-07 17:10:40,707 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-07 17:10:40,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375519112] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-07 17:10:40,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-07 17:10:40,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 7, 7] total 15 [2025-02-07 17:10:40,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701207039] [2025-02-07 17:10:40,707 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-07 17:10:40,708 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-07 17:10:40,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-07 17:10:40,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-07 17:10:40,708 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=152, Unknown=0, NotChecked=0, Total=240 [2025-02-07 17:10:40,709 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. Second operand has 16 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-07 17:10:41,320 INFO L93 Difference]: Finished difference Result 114 states and 170 transitions. [2025-02-07 17:10:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-02-07 17:10:41,321 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2025-02-07 17:10:41,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-07 17:10:41,322 INFO L225 Difference]: With dead ends: 114 [2025-02-07 17:10:41,322 INFO L226 Difference]: Without dead ends: 91 [2025-02-07 17:10:41,323 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 456 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=629, Invalid=1093, Unknown=0, NotChecked=0, Total=1722 [2025-02-07 17:10:41,323 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 124 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-07 17:10:41,324 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 15 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-07 17:10:41,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-02-07 17:10:41,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 65. [2025-02-07 17:10:41,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 64 states have (on average 1.15625) internal successors, (74), 64 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2025-02-07 17:10:41,346 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 74 transitions. Word has length 24 [2025-02-07 17:10:41,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-07 17:10:41,347 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 74 transitions. [2025-02-07 17:10:41,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.25) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 17:10:41,347 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2025-02-07 17:10:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-07 17:10:41,349 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 17:10:41,356 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-07 17:10:41,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-07 17:10:41,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 17:10:41,557 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-07 17:10:41,558 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 17:10:41,558 INFO L85 PathProgramCache]: Analyzing trace with hash 977501144, now seen corresponding path program 3 times [2025-02-07 17:10:41,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 17:10:41,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193700913] [2025-02-07 17:10:41,558 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-07 17:10:41,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 17:10:41,595 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 15 equivalence classes. [2025-02-07 17:10:41,738 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 60 of 64 statements. [2025-02-07 17:10:41,738 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-02-07 17:10:41,739 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:42,187 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 126 proven. 55 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2025-02-07 17:10:42,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-07 17:10:42,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193700913] [2025-02-07 17:10:42,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193700913] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-07 17:10:42,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778020852] [2025-02-07 17:10:42,187 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-07 17:10:42,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-07 17:10:42,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 17:10:42,190 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-07 17:10:42,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-07 17:10:42,274 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 64 statements into 15 equivalence classes. [2025-02-07 17:10:59,271 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 56 of 64 statements. [2025-02-07 17:10:59,272 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-02-07 17:10:59,272 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-07 17:10:59,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-02-07 17:10:59,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-07 17:10:59,593 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 33 treesize of output 1 [2025-02-07 17:10:59,717 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 11 [2025-02-07 17:10:59,796 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 27 treesize of output 26 [2025-02-07 17:10:59,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-07 17:10:59,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2025-02-07 17:10:59,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-07 17:10:59,941 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 54 [2025-02-07 17:11:00,021 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-07 17:11:00,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 60 treesize of output 68 [2025-02-07 17:11:00,113 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-07 17:11:00,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 71 treesize of output 82 [2025-02-07 17:11:00,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-07 17:11:00,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 82 treesize of output 96 [2025-02-07 17:11:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,386 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-07 17:11:00,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 99 treesize of output 116 [2025-02-07 17:11:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-07 17:11:00,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 116 treesize of output 136 [2025-02-07 17:11:00,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:00,842 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-07 17:11:00,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 133 treesize of output 156 [2025-02-07 17:11:01,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,433 INFO L349 Elim1Store]: treesize reduction 446, result has 14.7 percent of original size [2025-02-07 17:11:01,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 163 treesize of output 189 [2025-02-07 17:11:01,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:01,823 INFO L349 Elim1Store]: treesize reduction 635, result has 12.8 percent of original size [2025-02-07 17:11:01,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 193 treesize of output 222 [2025-02-07 17:11:02,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,196 INFO L349 Elim1Store]: treesize reduction 635, result has 12.8 percent of original size [2025-02-07 17:11:02,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 193 treesize of output 222 [2025-02-07 17:11:02,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,582 INFO L349 Elim1Store]: treesize reduction 635, result has 12.8 percent of original size [2025-02-07 17:11:02,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 193 treesize of output 222 [2025-02-07 17:11:02,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:02,952 INFO L349 Elim1Store]: treesize reduction 635, result has 12.8 percent of original size [2025-02-07 17:11:02,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 193 treesize of output 222 [2025-02-07 17:11:03,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,428 INFO L349 Elim1Store]: treesize reduction 635, result has 12.8 percent of original size [2025-02-07 17:11:03,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 193 treesize of output 222 [2025-02-07 17:11:03,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:03,820 INFO L349 Elim1Store]: treesize reduction 651, result has 12.5 percent of original size [2025-02-07 17:11:03,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 45 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 66 case distinctions, treesize of input 194 treesize of output 223 [2025-02-07 17:11:04,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,169 INFO L349 Elim1Store]: treesize reduction 817, result has 10.2 percent of original size [2025-02-07 17:11:04,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 77 case distinctions, treesize of input 225 treesize of output 257 [2025-02-07 17:11:04,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,635 INFO L349 Elim1Store]: treesize reduction 983, result has 8.6 percent of original size [2025-02-07 17:11:04,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 45 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 89 case distinctions, treesize of input 256 treesize of output 291 [2025-02-07 17:11:04,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:04,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-02-07 17:11:05,161 INFO L349 Elim1Store]: treesize reduction 1133, result has 7.6 percent of original size [2025-02-07 17:11:05,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 45 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 102 case distinctions, treesize of input 286 treesize of output 324 [2025-02-07 17:11:20,223 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 53 proven. 281 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2025-02-07 17:11:20,223 INFO L312 TraceCheckSpWp]: Computing backward predicates...