./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/heap-manipulation/tree-4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/heap-manipulation/tree-4.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-09 22:02:19,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 22:02:19,976 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-09 22:02:19,982 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 22:02:19,982 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 22:02:20,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 22:02:20,011 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 22:02:20,011 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 22:02:20,012 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 22:02:20,012 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 22:02:20,012 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 22:02:20,013 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 22:02:20,014 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 22:02:20,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 22:02:20,016 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 22:02:20,017 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 22:02:20,017 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 22:02:20,017 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 22:02:20,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 22:02:20,018 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 22:02:20,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 22:02:20,022 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 22:02:20,022 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 22:02:20,023 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 22:02:20,023 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 22:02:20,023 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 22:02:20,023 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 22:02:20,024 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 22:02:20,024 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-09 22:02:20,024 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 22:02:20,024 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 22:02:20,024 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 22:02:20,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:02:20,025 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 22:02:20,025 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 22:02:20,025 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 22:02:20,025 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 22:02:20,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 22:02:20,026 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 22:02:20,026 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 22:02:20,026 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 22:02:20,027 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 22:02:20,027 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93cf6e13715dcd5309cb599b4358d41a64464f02c52b3716bc554a9d0e833f5e [2024-11-09 22:02:20,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 22:02:20,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 22:02:20,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 22:02:20,267 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 22:02:20,268 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 22:02:20,269 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/tree-4.i [2024-11-09 22:02:21,473 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 22:02:21,659 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 22:02:21,659 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-4.i [2024-11-09 22:02:21,669 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcbda64d/4e955d484a6a453d8ef9f623e96c4dfb/FLAG6580ccff2 [2024-11-09 22:02:21,684 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbcbda64d/4e955d484a6a453d8ef9f623e96c4dfb [2024-11-09 22:02:21,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 22:02:21,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 22:02:21,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 22:02:21,690 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 22:02:21,694 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 22:02:21,695 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:02:21" (1/1) ... [2024-11-09 22:02:21,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45df6ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:21, skipping insertion in model container [2024-11-09 22:02:21,696 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 10:02:21" (1/1) ... [2024-11-09 22:02:21,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 22:02:21,970 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-4.i[22626,22639] [2024-11-09 22:02:22,011 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:02:22,022 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 22:02:22,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-4.i[22626,22639] [2024-11-09 22:02:22,082 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 22:02:22,102 INFO L204 MainTranslator]: Completed translation [2024-11-09 22:02:22,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22 WrapperNode [2024-11-09 22:02:22,102 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 22:02:22,103 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 22:02:22,103 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 22:02:22,103 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 22:02:22,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,134 INFO L138 Inliner]: procedures = 122, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 138 [2024-11-09 22:02:22,134 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 22:02:22,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 22:02:22,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 22:02:22,135 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 22:02:22,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,171 INFO L175 MemorySlicer]: Split 29 memory accesses to 2 slices as follows [2, 27]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 10 writes are split as follows [0, 10]. [2024-11-09 22:02:22,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,177 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,177 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,183 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 22:02:22,190 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-09 22:02:22,190 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-09 22:02:22,190 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-09 22:02:22,191 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (1/1) ... [2024-11-09 22:02:22,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 22:02:22,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:02:22,219 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 22:02:22,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 22:02:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 22:02:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 22:02:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2024-11-09 22:02:22,253 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2024-11-09 22:02:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 22:02:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 22:02:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 22:02:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 22:02:22,345 INFO L256 CfgBuilder]: Building ICFG [2024-11-09 22:02:22,347 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 22:02:22,588 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-09 22:02:22,588 INFO L307 CfgBuilder]: Performing block encoding [2024-11-09 22:02:22,600 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 22:02:22,600 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 22:02:22,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:02:22 BoogieIcfgContainer [2024-11-09 22:02:22,601 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-09 22:02:22,602 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 22:02:22,603 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 22:02:22,606 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 22:02:22,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 10:02:21" (1/3) ... [2024-11-09 22:02:22,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd33cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:02:22, skipping insertion in model container [2024-11-09 22:02:22,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 10:02:22" (2/3) ... [2024-11-09 22:02:22,606 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd33cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 10:02:22, skipping insertion in model container [2024-11-09 22:02:22,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 09.11 10:02:22" (3/3) ... [2024-11-09 22:02:22,607 INFO L112 eAbstractionObserver]: Analyzing ICFG tree-4.i [2024-11-09 22:02:22,620 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 22:02:22,620 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 22:02:22,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 22:02:22,677 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;@1f0a736f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 22:02:22,678 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 22:02:22,681 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 47 states have (on average 1.6170212765957446) internal successors, (76), 51 states have internal predecessors, (76), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-09 22:02:22,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 22:02:22,689 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:02:22,689 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:02:22,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:02:22,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:02:22,697 INFO L85 PathProgramCache]: Analyzing trace with hash -1820560261, now seen corresponding path program 1 times [2024-11-09 22:02:22,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:02:22,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173884773] [2024-11-09 22:02:22,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:02:22,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:02:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:02:22,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:02:22,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:02:22,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173884773] [2024-11-09 22:02:22,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173884773] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:02:22,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:02:22,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 22:02:22,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964150151] [2024-11-09 22:02:22,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:02:22,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 22:02:22,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:02:22,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 22:02:22,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:02:22,850 INFO L87 Difference]: Start difference. First operand has 53 states, 47 states have (on average 1.6170212765957446) internal successors, (76), 51 states have internal predecessors, (76), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:22,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:02:22,867 INFO L93 Difference]: Finished difference Result 101 states and 160 transitions. [2024-11-09 22:02:22,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 22:02:22,869 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-09 22:02:22,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:02:22,873 INFO L225 Difference]: With dead ends: 101 [2024-11-09 22:02:22,873 INFO L226 Difference]: Without dead ends: 35 [2024-11-09 22:02:22,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 22:02:22,877 INFO L432 NwaCegarLoop]: 62 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, 62 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 [2024-11-09 22:02:22,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:02:22,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-09 22:02:22,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-09 22:02:22,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 33 states have internal predecessors, (39), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:22,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2024-11-09 22:02:22,901 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 13 [2024-11-09 22:02:22,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:02:22,901 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2024-11-09 22:02:22,901 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:22,902 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2024-11-09 22:02:22,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 22:02:22,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:02:22,902 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:02:22,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 22:02:22,903 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:02:22,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:02:22,903 INFO L85 PathProgramCache]: Analyzing trace with hash -2069099375, now seen corresponding path program 1 times [2024-11-09 22:02:22,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:02:22,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201761559] [2024-11-09 22:02:22,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:02:22,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:02:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:02:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:02:23,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:02:23,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201761559] [2024-11-09 22:02:23,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201761559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:02:23,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:02:23,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 22:02:23,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529518457] [2024-11-09 22:02:23,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:02:23,055 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 22:02:23,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:02:23,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 22:02:23,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 22:02:23,056 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:23,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:02:23,090 INFO L93 Difference]: Finished difference Result 81 states and 99 transitions. [2024-11-09 22:02:23,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 22:02:23,091 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 22:02:23,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:02:23,092 INFO L225 Difference]: With dead ends: 81 [2024-11-09 22:02:23,092 INFO L226 Difference]: Without dead ends: 40 [2024-11-09 22:02:23,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 22:02:23,095 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 7 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:02:23,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 146 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:02:23,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-11-09 22:02:23,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-11-09 22:02:23,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 38 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:23,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 47 transitions. [2024-11-09 22:02:23,103 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 47 transitions. Word has length 15 [2024-11-09 22:02:23,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:02:23,103 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 47 transitions. [2024-11-09 22:02:23,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:23,103 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-11-09 22:02:23,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 22:02:23,104 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:02:23,104 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:02:23,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 22:02:23,104 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:02:23,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:02:23,105 INFO L85 PathProgramCache]: Analyzing trace with hash -796292362, now seen corresponding path program 1 times [2024-11-09 22:02:23,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:02:23,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255280366] [2024-11-09 22:02:23,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:02:23,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:02:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:02:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:02:23,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:02:23,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255280366] [2024-11-09 22:02:23,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255280366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:02:23,188 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:02:23,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 22:02:23,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545181668] [2024-11-09 22:02:23,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:02:23,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 22:02:23,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:02:23,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 22:02:23,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 22:02:23,189 INFO L87 Difference]: Start difference. First operand 40 states and 47 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:23,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:02:23,225 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2024-11-09 22:02:23,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 22:02:23,226 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-09 22:02:23,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:02:23,227 INFO L225 Difference]: With dead ends: 70 [2024-11-09 22:02:23,227 INFO L226 Difference]: Without dead ends: 44 [2024-11-09 22:02:23,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 22:02:23,228 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 22:02:23,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 62 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 22:02:23,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-09 22:02:23,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 42. [2024-11-09 22:02:23,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 40 states have internal predecessors, (45), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:23,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 48 transitions. [2024-11-09 22:02:23,237 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 48 transitions. Word has length 21 [2024-11-09 22:02:23,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:02:23,238 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 48 transitions. [2024-11-09 22:02:23,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 48 transitions. [2024-11-09 22:02:23,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 22:02:23,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:02:23,240 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:02:23,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 22:02:23,240 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:02:23,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:02:23,241 INFO L85 PathProgramCache]: Analyzing trace with hash 299924306, now seen corresponding path program 1 times [2024-11-09 22:02:23,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:02:23,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694346474] [2024-11-09 22:02:23,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:02:23,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:02:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:02:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 22:02:23,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:02:23,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694346474] [2024-11-09 22:02:23,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694346474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 22:02:23,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 22:02:23,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-09 22:02:23,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102712326] [2024-11-09 22:02:23,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 22:02:23,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 22:02:23,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 22:02:23,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 22:02:23,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-09 22:02:23,483 INFO L87 Difference]: Start difference. First operand 42 states and 48 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:23,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 22:02:23,633 INFO L93 Difference]: Finished difference Result 90 states and 105 transitions. [2024-11-09 22:02:23,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 22:02:23,633 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-09 22:02:23,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 22:02:23,634 INFO L225 Difference]: With dead ends: 90 [2024-11-09 22:02:23,634 INFO L226 Difference]: Without dead ends: 55 [2024-11-09 22:02:23,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-09 22:02:23,635 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 55 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 22:02:23,636 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 121 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 22:02:23,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-09 22:02:23,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 41. [2024-11-09 22:02:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 38 states have (on average 1.131578947368421) internal successors, (43), 39 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2024-11-09 22:02:23,642 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 25 [2024-11-09 22:02:23,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 22:02:23,642 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2024-11-09 22:02:23,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 22:02:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2024-11-09 22:02:23,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 22:02:23,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 22:02:23,644 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 22:02:23,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 22:02:23,644 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 22:02:23,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 22:02:23,645 INFO L85 PathProgramCache]: Analyzing trace with hash -1856152811, now seen corresponding path program 1 times [2024-11-09 22:02:23,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 22:02:23,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625209816] [2024-11-09 22:02:23,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:02:23,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 22:02:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:02:24,284 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:02:24,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 22:02:24,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625209816] [2024-11-09 22:02:24,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625209816] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 22:02:24,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838759103] [2024-11-09 22:02:24,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 22:02:24,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 22:02:24,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 22:02:24,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 22:02:24,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 22:02:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 22:02:24,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-11-09 22:02:24,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 22:02:24,470 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-09 22:02:24,655 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2024-11-09 22:02:24,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2024-11-09 22:02:24,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 [2024-11-09 22:02:24,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-09 22:02:24,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 22:02:24,780 INFO L349 Elim1Store]: treesize reduction 370, result has 0.3 percent of original size [2024-11-09 22:02:24,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 11 new quantified variables, introduced 13 case distinctions, treesize of input 1932 treesize of output 1380 [2024-11-09 22:02:24,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 22:02:24,833 INFO L349 Elim1Store]: treesize reduction 125, result has 17.8 percent of original size [2024-11-09 22:02:24,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 1800 treesize of output 1003 [2024-11-09 22:02:24,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 22:02:24,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 71 treesize of output 51 [2024-11-09 22:02:24,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 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 53 treesize of output 117 [2024-11-09 22:02:24,943 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 22:02:24,945 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-09 22:02:24,966 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 22:02:24,969 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-09 22:02:24,981 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 22:02:24,983 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-11-09 22:02:25,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2024-11-09 22:02:25,379 INFO L349 Elim1Store]: treesize reduction 18, result has 5.3 percent of original size [2024-11-09 22:02:25,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 353 treesize of output 281 [2024-11-09 22:02:25,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-11-09 22:02:25,392 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 22:02:25,392 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 22:02:25,482 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:25,482 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 545 treesize of output 522 [2024-11-09 22:02:25,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1013 treesize of output 993 [2024-11-09 22:02:27,202 INFO L349 Elim1Store]: treesize reduction 203, result has 53.3 percent of original size [2024-11-09 22:02:27,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 1824 treesize of output 1243 [2024-11-09 22:02:27,274 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:27,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 381 treesize of output 363 [2024-11-09 22:02:27,320 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 22:02:27,645 INFO L349 Elim1Store]: treesize reduction 530, result has 8.9 percent of original size [2024-11-09 22:02:27,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 27 case distinctions, treesize of input 29177 treesize of output 29302 [2024-11-09 22:02:28,129 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 22:02:28,138 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 22:02:32,108 INFO L349 Elim1Store]: treesize reduction 1589, result has 20.7 percent of original size [2024-11-09 22:02:32,110 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 16 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 20 new quantified variables, introduced 117 case distinctions, treesize of input 97926 treesize of output 100619 [2024-11-09 22:02:35,811 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:35,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 4025 treesize of output 3840 [2024-11-09 22:02:36,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3815 treesize of output 3699 [2024-11-09 22:02:42,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-09 22:02:43,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-09 22:02:43,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-09 22:02:44,697 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:44,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 64 [2024-11-09 22:02:45,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:45,641 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 63 treesize of output 73 [2024-11-09 22:02:46,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-11-09 22:02:46,227 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:46,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 48 treesize of output 52 [2024-11-09 22:02:46,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:46,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 72 [2024-11-09 22:02:46,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:46,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 43 [2024-11-09 22:02:48,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:48,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 450 treesize of output 426 [2024-11-09 22:02:51,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2024-11-09 22:02:51,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 19 [2024-11-09 22:02:51,731 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-09 22:02:52,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 25 [2024-11-09 22:02:52,554 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2024-11-09 22:02:52,601 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:52,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 150 treesize of output 172 [2024-11-09 22:02:52,991 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-09 22:02:52,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30 [2024-11-09 22:02:53,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:53,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 41 [2024-11-09 22:02:53,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 10 [2024-11-09 22:02:53,078 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:53,078 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2024-11-09 22:02:53,125 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-09 22:02:53,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 47