./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b39844280cd53a63ba1f93097bf0be84b51153e793ce6510d7ba173d0fc112df --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-09 16:09:27,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-09 16:09:27,791 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-01-09 16:09:27,798 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-09 16:09:27,801 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-09 16:09:27,829 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-09 16:09:27,830 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-09 16:09:27,830 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-09 16:09:27,831 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-09 16:09:27,831 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-09 16:09:27,832 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-09 16:09:27,832 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-09 16:09:27,832 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-09 16:09:27,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-09 16:09:27,832 INFO L153 SettingsManager]: * Use SBE=true [2025-01-09 16:09:27,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-09 16:09:27,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-09 16:09:27,832 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-09 16:09:27,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-09 16:09:27,833 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:09:27,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:09:27,834 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-09 16:09:27,834 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-09 16:09:27,835 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-09 16:09:27,835 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-09 16:09:27,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:09:27,835 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-09 16:09:27,835 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-09 16:09:27,835 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-09 16:09:27,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-09 16:09:27,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-09 16:09:27,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-09 16:09:27,836 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-09 16:09:27,836 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-09 16:09:27,836 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-09 16:09:27,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-09 16:09:27,836 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 -> b39844280cd53a63ba1f93097bf0be84b51153e793ce6510d7ba173d0fc112df [2025-01-09 16:09:28,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-09 16:09:28,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-09 16:09:28,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-09 16:09:28,141 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-09 16:09:28,141 INFO L274 PluginConnector]: CDTParser initialized [2025-01-09 16:09:28,142 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i [2025-01-09 16:09:29,374 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/745708abc/a78266493036439cb85f71b4dc90e789/FLAG3060f7ec9 [2025-01-09 16:09:29,656 INFO L384 CDTParser]: Found 1 translation units. [2025-01-09 16:09:29,657 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i [2025-01-09 16:09:29,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/745708abc/a78266493036439cb85f71b4dc90e789/FLAG3060f7ec9 [2025-01-09 16:09:29,960 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/745708abc/a78266493036439cb85f71b4dc90e789 [2025-01-09 16:09:29,962 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-09 16:09:29,964 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-09 16:09:29,965 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-09 16:09:29,965 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-09 16:09:29,969 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-09 16:09:29,970 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:09:29" (1/1) ... [2025-01-09 16:09:29,971 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b657fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:29, skipping insertion in model container [2025-01-09 16:09:29,971 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.01 04:09:29" (1/1) ... [2025-01-09 16:09:29,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-09 16:09:30,129 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i[917,930] [2025-01-09 16:09:30,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:09:30,221 INFO L200 MainTranslator]: Completed pre-run [2025-01-09 16:09:30,232 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-35.i[917,930] [2025-01-09 16:09:30,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-09 16:09:30,304 INFO L204 MainTranslator]: Completed translation [2025-01-09 16:09:30,306 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30 WrapperNode [2025-01-09 16:09:30,306 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-09 16:09:30,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-09 16:09:30,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-09 16:09:30,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-09 16:09:30,314 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,328 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,372 INFO L138 Inliner]: procedures = 30, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 425 [2025-01-09 16:09:30,377 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-09 16:09:30,377 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-09 16:09:30,377 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-09 16:09:30,377 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-09 16:09:30,388 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,392 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,404 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-01-09 16:09:30,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,418 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,420 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,427 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,433 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-09 16:09:30,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-09 16:09:30,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-09 16:09:30,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-09 16:09:30,452 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (1/1) ... [2025-01-09 16:09:30,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-09 16:09:30,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:09:30,485 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) [2025-01-09 16:09:30,492 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 [2025-01-09 16:09:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-09 16:09:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-01-09 16:09:30,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-01-09 16:09:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-01-09 16:09:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-01-09 16:09:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-01-09 16:09:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-01-09 16:09:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-09 16:09:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-09 16:09:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-01-09 16:09:30,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-09 16:09:30,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-09 16:09:30,638 INFO L234 CfgBuilder]: Building ICFG [2025-01-09 16:09:30,641 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-09 16:09:31,197 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2025-01-09 16:09:31,197 INFO L283 CfgBuilder]: Performing block encoding [2025-01-09 16:09:31,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-09 16:09:31,212 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2025-01-09 16:09:31,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:09:31 BoogieIcfgContainer [2025-01-09 16:09:31,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-09 16:09:31,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-09 16:09:31,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-09 16:09:31,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-09 16:09:31,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.01 04:09:29" (1/3) ... [2025-01-09 16:09:31,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5aec21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:09:31, skipping insertion in model container [2025-01-09 16:09:31,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.01 04:09:30" (2/3) ... [2025-01-09 16:09:31,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a5aec21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.01 04:09:31, skipping insertion in model container [2025-01-09 16:09:31,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.01 04:09:31" (3/3) ... [2025-01-09 16:09:31,224 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-35.i [2025-01-09 16:09:31,234 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-09 16:09:31,235 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-sp_file-35.i that has 2 procedures, 100 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-01-09 16:09:31,288 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-09 16:09:31,299 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;@56952e10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-09 16:09:31,299 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-01-09 16:09:31,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 80 states have internal predecessors, (108), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 16:09:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 16:09:31,316 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:09:31,317 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:09:31,318 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:09:31,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:09:31,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1122978730, now seen corresponding path program 1 times [2025-01-09 16:09:31,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:09:31,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670131049] [2025-01-09 16:09:31,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:09:31,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:09:31,498 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 16:09:31,572 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 16:09:31,576 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:09:31,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:09:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 16:09:31,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:09:31,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670131049] [2025-01-09 16:09:31,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670131049] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:09:31,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967945951] [2025-01-09 16:09:31,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:09:31,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:09:31,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:09:31,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 16:09:31,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-01-09 16:09:31,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 16:09:32,083 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 16:09:32,083 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:09:32,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:09:32,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-09 16:09:32,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:09:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2025-01-09 16:09:32,128 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-09 16:09:32,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967945951] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-09 16:09:32,128 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-09 16:09:32,128 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-09 16:09:32,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720673336] [2025-01-09 16:09:32,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-09 16:09:32,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-09 16:09:32,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-09 16:09:32,158 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-09 16:09:32,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:09:32,162 INFO L87 Difference]: Start difference. First operand has 100 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 80 states have internal predecessors, (108), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 16:09:32,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-09 16:09:32,186 INFO L93 Difference]: Finished difference Result 194 states and 301 transitions. [2025-01-09 16:09:32,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-09 16:09:32,187 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 143 [2025-01-09 16:09:32,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-09 16:09:32,195 INFO L225 Difference]: With dead ends: 194 [2025-01-09 16:09:32,195 INFO L226 Difference]: Without dead ends: 97 [2025-01-09 16:09:32,200 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-09 16:09:32,203 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-09 16:09:32,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-09 16:09:32,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2025-01-09 16:09:32,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2025-01-09 16:09:32,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 77 states have (on average 1.3246753246753247) internal successors, (102), 77 states have internal predecessors, (102), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-09 16:09:32,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 138 transitions. [2025-01-09 16:09:32,243 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 138 transitions. Word has length 143 [2025-01-09 16:09:32,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-09 16:09:32,244 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 138 transitions. [2025-01-09 16:09:32,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2025-01-09 16:09:32,245 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 138 transitions. [2025-01-09 16:09:32,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-01-09 16:09:32,247 INFO L210 NwaCegarLoop]: Found error trace [2025-01-09 16:09:32,247 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-09 16:09:32,257 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-01-09 16:09:32,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-09 16:09:32,449 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-01-09 16:09:32,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-09 16:09:32,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1404483082, now seen corresponding path program 1 times [2025-01-09 16:09:32,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-09 16:09:32,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724377849] [2025-01-09 16:09:32,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:09:32,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-09 16:09:32,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 16:09:32,821 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 16:09:32,823 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:09:32,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:09:35,431 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 33 proven. 18 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2025-01-09 16:09:35,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-09 16:09:35,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724377849] [2025-01-09 16:09:35,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724377849] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-09 16:09:35,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119553220] [2025-01-09 16:09:35,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-09 16:09:35,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-09 16:09:35,432 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-09 16:09:35,437 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-09 16:09:35,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-09 16:09:35,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-01-09 16:09:35,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-01-09 16:09:35,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-09 16:09:35,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-09 16:09:35,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-01-09 16:09:35,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-09 16:09:37,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-01-09 16:09:38,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2025-01-09 16:09:38,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2025-01-09 16:09:38,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2025-01-09 16:09:38,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:09:38,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2025-01-09 16:09:38,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:09:39,029 INFO L349 Elim1Store]: treesize reduction 72, result has 37.4 percent of original size [2025-01-09 16:09:39,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 70 [2025-01-09 16:09:40,256 INFO L349 Elim1Store]: treesize reduction 396, result has 28.0 percent of original size [2025-01-09 16:09:40,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 54 case distinctions, treesize of input 286 treesize of output 375 [2025-01-09 16:10:00,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:00,409 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:00,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2025-01-09 16:10:00,428 WARN L214 Elim1Store]: Array PQE input equivalent to false [2025-01-09 16:10:00,670 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:00,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2025-01-09 16:10:00,679 WARN L214 Elim1Store]: Array PQE input equivalent to false [2025-01-09 16:10:00,789 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:00,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 74 [2025-01-09 16:10:00,806 WARN L214 Elim1Store]: Array PQE input equivalent to false [2025-01-09 16:10:00,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:01,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:01,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:01,354 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:01,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 74 [2025-01-09 16:10:01,395 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:01,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2025-01-09 16:10:01,403 WARN L214 Elim1Store]: Array PQE input equivalent to false [2025-01-09 16:10:01,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:02,147 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:02,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 74 [2025-01-09 16:10:02,165 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-09 16:10:02,166 WARN L214 Elim1Store]: Array PQE input equivalent to false [2025-01-09 16:10:02,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:02,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:02,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:02,414 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:02,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2025-01-09 16:10:02,431 WARN L214 Elim1Store]: Array PQE input equivalent to false [2025-01-09 16:10:02,794 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:02,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 57 treesize of output 74 [2025-01-09 16:10:02,965 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:02,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2025-01-09 16:10:03,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:03,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:03,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:03,375 INFO L349 Elim1Store]: treesize reduction 58, result has 24.7 percent of original size [2025-01-09 16:10:03,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 52 treesize of output 78 [2025-01-09 16:10:03,430 WARN L214 Elim1Store]: Array PQE input equivalent to false [2025-01-09 16:10:03,567 INFO L349 Elim1Store]: treesize reduction 58, result has 31.8 percent of original size [2025-01-09 16:10:03,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 52 treesize of output 86 [2025-01-09 16:10:03,614 WARN L214 Elim1Store]: Array PQE input equivalent to false [2025-01-09 16:10:03,929 INFO L349 Elim1Store]: treesize reduction 30, result has 23.1 percent of original size [2025-01-09 16:10:03,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 54 treesize of output 73 [2025-01-09 16:10:03,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:04,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2025-01-09 16:10:19,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:19,649 INFO L349 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2025-01-09 16:10:19,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 57 [2025-01-09 16:10:19,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:19,722 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2025-01-09 16:10:19,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2025-01-09 16:10:20,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:20,101 INFO L349 Elim1Store]: treesize reduction 40, result has 48.7 percent of original size [2025-01-09 16:10:20,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 64 [2025-01-09 16:10:20,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:20,437 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:20,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2025-01-09 16:10:20,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:20,520 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:20,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2025-01-09 16:10:20,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:20,682 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2025-01-09 16:10:20,683 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2025-01-09 16:10:21,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:21,064 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2025-01-09 16:10:21,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2025-01-09 16:10:21,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:21,390 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:21,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 50 [2025-01-09 16:10:21,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:21,469 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2025-01-09 16:10:21,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2025-01-09 16:10:21,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:21,651 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:21,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 50 [2025-01-09 16:10:22,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:22,157 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:22,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2025-01-09 16:10:22,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:22,296 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:22,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2025-01-09 16:10:22,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:22,339 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:22,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2025-01-09 16:10:22,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:22,470 INFO L349 Elim1Store]: treesize reduction 68, result has 45.6 percent of original size [2025-01-09 16:10:22,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 33 treesize of output 80 [2025-01-09 16:10:24,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:24,390 INFO L349 Elim1Store]: treesize reduction 40, result has 48.7 percent of original size [2025-01-09 16:10:24,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 64 [2025-01-09 16:10:24,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:24,629 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:24,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 50 [2025-01-09 16:10:24,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:24,783 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:24,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2025-01-09 16:10:24,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:24,843 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:24,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 53 [2025-01-09 16:10:24,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:24,999 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:25,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 50 [2025-01-09 16:10:25,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:25,185 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2025-01-09 16:10:25,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 35 treesize of output 65 [2025-01-09 16:10:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-01-09 16:10:25,574 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2025-01-09 16:10:25,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 34 [2025-01-09 16:10:51,955 WARN L286 SmtUtils]: Spent 18.52s on a formula simplification. DAG size of input: 1558 DAG size of output: 1558 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)