./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 3289d67d 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 00:49:19,920 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 00:49:19,967 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-17 00:49:19,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 00:49:19,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 00:49:19,999 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 00:49:20,000 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 00:49:20,000 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 00:49:20,001 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 00:49:20,002 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 00:49:20,004 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 00:49:20,004 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 00:49:20,005 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 00:49:20,005 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 00:49:20,005 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 00:49:20,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 00:49:20,006 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 00:49:20,006 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 00:49:20,006 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 00:49:20,007 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 00:49:20,007 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-17 00:49:20,008 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-17 00:49:20,008 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-17 00:49:20,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 00:49:20,008 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-17 00:49:20,008 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 00:49:20,009 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 00:49:20,009 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 00:49:20,009 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 00:49:20,009 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 00:49:20,009 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 00:49:20,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 00:49:20,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 00:49:20,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:49:20,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 00:49:20,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 00:49:20,010 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 00:49:20,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 00:49:20,011 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 00:49:20,011 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 00:49:20,011 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 00:49:20,012 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 00:49:20,012 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4fb6aa6206205a747f158782e93b3c9333c1a2cdc4e8dab70046fca960e31961 [2024-11-17 00:49:20,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 00:49:20,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 00:49:20,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 00:49:20,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 00:49:20,251 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 00:49:20,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2024-11-17 00:49:21,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 00:49:21,790 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 00:49:21,791 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/list-ext3-properties/dll_circular_traversal-2.i [2024-11-17 00:49:21,806 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c2134a7/8030ca67b84343028c36f29d4cd9de02/FLAG1dfd94b52 [2024-11-17 00:49:21,827 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62c2134a7/8030ca67b84343028c36f29d4cd9de02 [2024-11-17 00:49:21,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 00:49:21,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 00:49:21,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 00:49:21,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 00:49:21,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 00:49:21,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:49:21" (1/1) ... [2024-11-17 00:49:21,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f7ef599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:21, skipping insertion in model container [2024-11-17 00:49:21,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 12:49:21" (1/1) ... [2024-11-17 00:49:21,873 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 00:49:22,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:49:22,142 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 00:49:22,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 00:49:22,237 INFO L204 MainTranslator]: Completed translation [2024-11-17 00:49:22,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22 WrapperNode [2024-11-17 00:49:22,238 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 00:49:22,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 00:49:22,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 00:49:22,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 00:49:22,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,263 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,292 INFO L138 Inliner]: procedures = 122, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2024-11-17 00:49:22,295 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 00:49:22,296 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 00:49:22,296 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 00:49:22,296 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 00:49:22,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,309 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,328 INFO L175 MemorySlicer]: Split 17 memory accesses to 2 slices as follows [2, 15]. 88 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]. [2024-11-17 00:49:22,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,339 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,345 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,345 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 00:49:22,352 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 00:49:22,352 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 00:49:22,352 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 00:49:22,353 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (1/1) ... [2024-11-17 00:49:22,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 00:49:22,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:49:22,390 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) [2024-11-17 00:49:22,397 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 [2024-11-17 00:49:22,451 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2024-11-17 00:49:22,452 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2024-11-17 00:49:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 00:49:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 00:49:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 00:49:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 00:49:22,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-17 00:49:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 00:49:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-17 00:49:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-17 00:49:22,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-17 00:49:22,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-17 00:49:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 00:49:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 00:49:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 00:49:22,455 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 00:49:22,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 00:49:22,582 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 00:49:22,584 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 00:49:22,606 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2024-11-17 00:49:22,803 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-17 00:49:22,803 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 00:49:22,819 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 00:49:22,821 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 00:49:22,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:49:22 BoogieIcfgContainer [2024-11-17 00:49:22,822 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 00:49:22,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 00:49:22,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 00:49:22,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 00:49:22,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 12:49:21" (1/3) ... [2024-11-17 00:49:22,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54544c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:49:22, skipping insertion in model container [2024-11-17 00:49:22,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 12:49:22" (2/3) ... [2024-11-17 00:49:22,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54544c3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 12:49:22, skipping insertion in model container [2024-11-17 00:49:22,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 12:49:22" (3/3) ... [2024-11-17 00:49:22,830 INFO L112 eAbstractionObserver]: Analyzing ICFG dll_circular_traversal-2.i [2024-11-17 00:49:22,845 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 00:49:22,846 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 35 error locations. [2024-11-17 00:49:22,890 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 00:49:22,895 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=None, 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;@19a04bda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 00:49:22,895 INFO L334 AbstractCegarLoop]: Starting to check reachability of 35 error locations. [2024-11-17 00:49:22,899 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 50 states have (on average 1.92) internal successors, (96), 86 states have internal predecessors, (96), 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) [2024-11-17 00:49:22,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-17 00:49:22,904 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:22,905 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-17 00:49:22,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:22,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:22,913 INFO L85 PathProgramCache]: Analyzing trace with hash 4154812, now seen corresponding path program 1 times [2024-11-17 00:49:22,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:22,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1350786162] [2024-11-17 00:49:22,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:22,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:23,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:23,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1350786162] [2024-11-17 00:49:23,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1350786162] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:23,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:23,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 00:49:23,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799023262] [2024-11-17 00:49:23,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:23,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 00:49:23,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:23,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 00:49:23,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:49:23,151 INFO L87 Difference]: Start difference. First operand has 88 states, 50 states have (on average 1.92) internal successors, (96), 86 states have internal predecessors, (96), 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) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:23,260 INFO L93 Difference]: Finished difference Result 83 states and 88 transitions. [2024-11-17 00:49:23,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 00:49:23,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-17 00:49:23,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:23,268 INFO L225 Difference]: With dead ends: 83 [2024-11-17 00:49:23,268 INFO L226 Difference]: Without dead ends: 76 [2024-11-17 00:49:23,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:49:23,273 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 22 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:23,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 102 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:49:23,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-17 00:49:23,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2024-11-17 00:49:23,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 45 states have (on average 1.7555555555555555) internal successors, (79), 75 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2024-11-17 00:49:23,304 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 4 [2024-11-17 00:49:23,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:23,305 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2024-11-17 00:49:23,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,305 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2024-11-17 00:49:23,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-17 00:49:23,306 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:23,306 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-17 00:49:23,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 00:49:23,306 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:23,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:23,307 INFO L85 PathProgramCache]: Analyzing trace with hash 4154813, now seen corresponding path program 1 times [2024-11-17 00:49:23,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:23,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478040620] [2024-11-17 00:49:23,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:23,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:23,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:23,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:23,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478040620] [2024-11-17 00:49:23,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478040620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:23,423 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:23,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 00:49:23,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719482304] [2024-11-17 00:49:23,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:23,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 00:49:23,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:23,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 00:49:23,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:49:23,425 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:23,470 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2024-11-17 00:49:23,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 00:49:23,471 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-17 00:49:23,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:23,471 INFO L225 Difference]: With dead ends: 72 [2024-11-17 00:49:23,472 INFO L226 Difference]: Without dead ends: 72 [2024-11-17 00:49:23,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:49:23,473 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 20 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:23,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 95 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 00:49:23,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-17 00:49:23,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-17 00:49:23,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 45 states have (on average 1.6666666666666667) internal successors, (75), 71 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-17 00:49:23,478 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 4 [2024-11-17 00:49:23,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:23,478 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-17 00:49:23,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,478 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2024-11-17 00:49:23,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 00:49:23,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:23,479 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:23,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 00:49:23,479 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:23,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:23,480 INFO L85 PathProgramCache]: Analyzing trace with hash 111850366, now seen corresponding path program 1 times [2024-11-17 00:49:23,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:23,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2110763080] [2024-11-17 00:49:23,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:23,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:23,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:23,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2110763080] [2024-11-17 00:49:23,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2110763080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:23,577 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:23,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:49:23,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056633147] [2024-11-17 00:49:23,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:23,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 00:49:23,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:23,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 00:49:23,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:49:23,578 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:23,592 INFO L93 Difference]: Finished difference Result 85 states and 88 transitions. [2024-11-17 00:49:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 00:49:23,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 00:49:23,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:23,595 INFO L225 Difference]: With dead ends: 85 [2024-11-17 00:49:23,595 INFO L226 Difference]: Without dead ends: 85 [2024-11-17 00:49:23,596 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 [2024-11-17 00:49:23,596 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 11 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:23,597 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 138 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 00:49:23,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-17 00:49:23,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 74. [2024-11-17 00:49:23,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 47 states have (on average 1.6382978723404256) internal successors, (77), 73 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2024-11-17 00:49:23,602 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 11 [2024-11-17 00:49:23,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:23,602 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2024-11-17 00:49:23,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,602 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2024-11-17 00:49:23,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 00:49:23,603 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:23,603 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:23,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 00:49:23,603 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:23,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:23,604 INFO L85 PathProgramCache]: Analyzing trace with hash 111852766, now seen corresponding path program 1 times [2024-11-17 00:49:23,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:23,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367981042] [2024-11-17 00:49:23,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:23,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:23,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:23,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:23,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367981042] [2024-11-17 00:49:23,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367981042] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:23,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:23,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 00:49:23,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667502376] [2024-11-17 00:49:23,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:23,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 00:49:23,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:23,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 00:49:23,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:49:23,677 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:23,741 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2024-11-17 00:49:23,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 00:49:23,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 00:49:23,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:23,742 INFO L225 Difference]: With dead ends: 72 [2024-11-17 00:49:23,742 INFO L226 Difference]: Without dead ends: 72 [2024-11-17 00:49:23,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:49:23,743 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 5 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:23,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 101 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:49:23,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-17 00:49:23,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-17 00:49:23,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.5957446808510638) internal successors, (75), 71 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-17 00:49:23,753 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 11 [2024-11-17 00:49:23,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:23,753 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-17 00:49:23,753 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2024-11-17 00:49:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 00:49:23,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:23,754 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:23,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 00:49:23,754 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:23,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:23,755 INFO L85 PathProgramCache]: Analyzing trace with hash 111852767, now seen corresponding path program 1 times [2024-11-17 00:49:23,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:23,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972034634] [2024-11-17 00:49:23,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:23,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:23,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:23,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:23,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972034634] [2024-11-17 00:49:23,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972034634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:23,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:23,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 00:49:23,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44184350] [2024-11-17 00:49:23,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:23,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 00:49:23,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:23,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 00:49:23,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:49:23,840 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:23,883 INFO L93 Difference]: Finished difference Result 70 states and 73 transitions. [2024-11-17 00:49:23,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 00:49:23,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 00:49:23,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:23,885 INFO L225 Difference]: With dead ends: 70 [2024-11-17 00:49:23,885 INFO L226 Difference]: Without dead ends: 70 [2024-11-17 00:49:23,885 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 00:49:23,886 INFO L432 NwaCegarLoop]: 65 mSDtfsCounter, 5 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:23,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 105 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 00:49:23,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-11-17 00:49:23,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-11-17 00:49:23,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 47 states have (on average 1.553191489361702) internal successors, (73), 69 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 73 transitions. [2024-11-17 00:49:23,890 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 73 transitions. Word has length 11 [2024-11-17 00:49:23,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:23,891 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 73 transitions. [2024-11-17 00:49:23,891 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:23,891 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 73 transitions. [2024-11-17 00:49:23,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 00:49:23,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:23,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:23,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 00:49:23,892 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:23,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:23,892 INFO L85 PathProgramCache]: Analyzing trace with hash 116327195, now seen corresponding path program 1 times [2024-11-17 00:49:23,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:23,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264687072] [2024-11-17 00:49:23,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:23,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:24,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:24,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:24,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264687072] [2024-11-17 00:49:24,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264687072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:24,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:24,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 00:49:24,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229058592] [2024-11-17 00:49:24,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:24,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 00:49:24,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:24,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 00:49:24,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:49:24,029 INFO L87 Difference]: Start difference. First operand 70 states and 73 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:24,100 INFO L93 Difference]: Finished difference Result 74 states and 78 transitions. [2024-11-17 00:49:24,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:49:24,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 00:49:24,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:24,104 INFO L225 Difference]: With dead ends: 74 [2024-11-17 00:49:24,105 INFO L226 Difference]: Without dead ends: 74 [2024-11-17 00:49:24,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:49:24,106 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 20 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:24,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 118 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:49:24,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-17 00:49:24,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-17 00:49:24,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.5294117647058822) internal successors, (78), 73 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 78 transitions. [2024-11-17 00:49:24,113 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 78 transitions. Word has length 13 [2024-11-17 00:49:24,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:24,113 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 78 transitions. [2024-11-17 00:49:24,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,113 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 78 transitions. [2024-11-17 00:49:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 00:49:24,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:24,113 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:24,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 00:49:24,114 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:24,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:24,114 INFO L85 PathProgramCache]: Analyzing trace with hash 116327196, now seen corresponding path program 1 times [2024-11-17 00:49:24,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:24,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343559082] [2024-11-17 00:49:24,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:24,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:24,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:24,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343559082] [2024-11-17 00:49:24,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343559082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:24,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:24,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:49:24,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180278775] [2024-11-17 00:49:24,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:24,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:49:24,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:24,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:49:24,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:49:24,255 INFO L87 Difference]: Start difference. First operand 74 states and 78 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:24,319 INFO L93 Difference]: Finished difference Result 74 states and 77 transitions. [2024-11-17 00:49:24,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 00:49:24,320 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-17 00:49:24,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:24,321 INFO L225 Difference]: With dead ends: 74 [2024-11-17 00:49:24,321 INFO L226 Difference]: Without dead ends: 74 [2024-11-17 00:49:24,321 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:49:24,321 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 18 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:24,322 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 130 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:49:24,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-17 00:49:24,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2024-11-17 00:49:24,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 73 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 77 transitions. [2024-11-17 00:49:24,325 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 77 transitions. Word has length 13 [2024-11-17 00:49:24,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:24,325 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 77 transitions. [2024-11-17 00:49:24,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 77 transitions. [2024-11-17 00:49:24,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 00:49:24,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:24,326 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:24,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 00:49:24,326 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:24,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:24,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1165572585, now seen corresponding path program 1 times [2024-11-17 00:49:24,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:24,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355062225] [2024-11-17 00:49:24,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:24,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:24,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:24,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355062225] [2024-11-17 00:49:24,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355062225] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:24,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:24,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 00:49:24,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019750469] [2024-11-17 00:49:24,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:24,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 00:49:24,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:24,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 00:49:24,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 00:49:24,400 INFO L87 Difference]: Start difference. First operand 74 states and 77 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:24,461 INFO L93 Difference]: Finished difference Result 72 states and 75 transitions. [2024-11-17 00:49:24,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:49:24,461 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-17 00:49:24,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:24,462 INFO L225 Difference]: With dead ends: 72 [2024-11-17 00:49:24,462 INFO L226 Difference]: Without dead ends: 72 [2024-11-17 00:49:24,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 00:49:24,463 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 6 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:24,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 127 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 00:49:24,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-17 00:49:24,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-11-17 00:49:24,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 51 states have (on average 1.4705882352941178) internal successors, (75), 71 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 75 transitions. [2024-11-17 00:49:24,465 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 75 transitions. Word has length 18 [2024-11-17 00:49:24,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:24,466 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 75 transitions. [2024-11-17 00:49:24,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,466 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 75 transitions. [2024-11-17 00:49:24,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 00:49:24,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:24,466 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:24,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 00:49:24,467 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:24,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:24,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1165572586, now seen corresponding path program 1 times [2024-11-17 00:49:24,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:24,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159047781] [2024-11-17 00:49:24,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:24,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:24,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:24,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159047781] [2024-11-17 00:49:24,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159047781] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:49:24,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860436258] [2024-11-17 00:49:24,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:24,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:24,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:49:24,514 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) [2024-11-17 00:49:24,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 00:49:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:24,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 00:49:24,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:49:24,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:24,672 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:49:24,711 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:24,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860436258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:49:24,715 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:49:24,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2024-11-17 00:49:24,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044061287] [2024-11-17 00:49:24,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:49:24,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 00:49:24,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:24,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 00:49:24,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:49:24,717 INFO L87 Difference]: Start difference. First operand 72 states and 75 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:24,735 INFO L93 Difference]: Finished difference Result 91 states and 94 transitions. [2024-11-17 00:49:24,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 00:49:24,736 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-17 00:49:24,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:24,736 INFO L225 Difference]: With dead ends: 91 [2024-11-17 00:49:24,736 INFO L226 Difference]: Without dead ends: 91 [2024-11-17 00:49:24,736 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:49:24,737 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 15 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:24,737 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 139 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 00:49:24,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-17 00:49:24,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 89. [2024-11-17 00:49:24,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 88 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 94 transitions. [2024-11-17 00:49:24,741 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 94 transitions. Word has length 18 [2024-11-17 00:49:24,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:24,741 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 94 transitions. [2024-11-17 00:49:24,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2024-11-17 00:49:24,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 00:49:24,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:24,742 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:24,756 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 00:49:24,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:24,947 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:24,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:24,948 INFO L85 PathProgramCache]: Analyzing trace with hash -868902201, now seen corresponding path program 1 times [2024-11-17 00:49:24,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:24,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186204100] [2024-11-17 00:49:24,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:24,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:25,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:25,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:25,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186204100] [2024-11-17 00:49:25,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186204100] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:49:25,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280606929] [2024-11-17 00:49:25,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:25,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:25,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:49:25,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:49:25,286 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 00:49:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:25,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 00:49:25,403 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:49:25,429 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 6 treesize of output 5 [2024-11-17 00:49:25,474 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-17 00:49:25,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-17 00:49:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:25,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:49:25,574 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:25,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280606929] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:49:25,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:49:25,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 4] total 6 [2024-11-17 00:49:25,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973399601] [2024-11-17 00:49:25,575 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:49:25,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 00:49:25,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:25,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 00:49:25,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:49:25,576 INFO L87 Difference]: Start difference. First operand 89 states and 94 transitions. Second operand has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:25,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:25,662 INFO L93 Difference]: Finished difference Result 87 states and 90 transitions. [2024-11-17 00:49:25,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 00:49:25,663 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-17 00:49:25,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:25,663 INFO L225 Difference]: With dead ends: 87 [2024-11-17 00:49:25,663 INFO L226 Difference]: Without dead ends: 87 [2024-11-17 00:49:25,663 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-17 00:49:25,664 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 6 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:25,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 210 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:49:25,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-17 00:49:25,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-11-17 00:49:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 86 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:25,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 90 transitions. [2024-11-17 00:49:25,667 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 90 transitions. Word has length 20 [2024-11-17 00:49:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:25,667 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 90 transitions. [2024-11-17 00:49:25,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.333333333333333) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 90 transitions. [2024-11-17 00:49:25,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 00:49:25,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:25,668 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:25,684 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 00:49:25,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-17 00:49:25,871 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:25,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:25,871 INFO L85 PathProgramCache]: Analyzing trace with hash -766232455, now seen corresponding path program 1 times [2024-11-17 00:49:25,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:25,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500177983] [2024-11-17 00:49:25,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:25,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:26,116 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-17 00:49:26,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:26,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500177983] [2024-11-17 00:49:26,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500177983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:26,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:26,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 00:49:26,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156149101] [2024-11-17 00:49:26,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:26,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 00:49:26,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:26,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 00:49:26,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 00:49:26,119 INFO L87 Difference]: Start difference. First operand 87 states and 90 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:26,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:26,222 INFO L93 Difference]: Finished difference Result 85 states and 89 transitions. [2024-11-17 00:49:26,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 00:49:26,223 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2024-11-17 00:49:26,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:26,224 INFO L225 Difference]: With dead ends: 85 [2024-11-17 00:49:26,224 INFO L226 Difference]: Without dead ends: 85 [2024-11-17 00:49:26,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:49:26,224 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 19 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:26,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 138 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:49:26,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-17 00:49:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2024-11-17 00:49:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 70 states have (on average 1.2714285714285714) internal successors, (89), 84 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2024-11-17 00:49:26,227 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 43 [2024-11-17 00:49:26,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:26,227 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2024-11-17 00:49:26,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:26,227 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2024-11-17 00:49:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 00:49:26,228 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:26,228 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:26,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-17 00:49:26,228 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:26,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:26,229 INFO L85 PathProgramCache]: Analyzing trace with hash -766232454, now seen corresponding path program 1 times [2024-11-17 00:49:26,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:26,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31573313] [2024-11-17 00:49:26,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:26,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:26,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:26,409 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 00:49:26,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:26,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31573313] [2024-11-17 00:49:26,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31573313] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:26,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:26,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-17 00:49:26,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985944179] [2024-11-17 00:49:26,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:26,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 00:49:26,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:26,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 00:49:26,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-17 00:49:26,411 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:26,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:26,494 INFO L93 Difference]: Finished difference Result 92 states and 95 transitions. [2024-11-17 00:49:26,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 00:49:26,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43 [2024-11-17 00:49:26,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:26,495 INFO L225 Difference]: With dead ends: 92 [2024-11-17 00:49:26,495 INFO L226 Difference]: Without dead ends: 92 [2024-11-17 00:49:26,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-17 00:49:26,495 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 11 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:26,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 208 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:49:26,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-17 00:49:26,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 88. [2024-11-17 00:49:26,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 87 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:26,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 92 transitions. [2024-11-17 00:49:26,498 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 92 transitions. Word has length 43 [2024-11-17 00:49:26,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:26,498 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 92 transitions. [2024-11-17 00:49:26,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:26,498 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 92 transitions. [2024-11-17 00:49:26,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-17 00:49:26,499 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:26,499 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:26,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-17 00:49:26,500 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:26,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:26,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1540561044, now seen corresponding path program 1 times [2024-11-17 00:49:26,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:26,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99818931] [2024-11-17 00:49:26,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:26,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:27,048 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 23 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-17 00:49:27,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:27,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99818931] [2024-11-17 00:49:27,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99818931] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:49:27,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [286163415] [2024-11-17 00:49:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:27,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:27,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:49:27,053 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:49:27,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 00:49:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:27,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-17 00:49:27,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:49:27,213 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 6 treesize of output 5 [2024-11-17 00:49:27,283 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-17 00:49:27,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-11-17 00:49:27,390 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-17 00:49:27,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2024-11-17 00:49:27,572 INFO L349 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2024-11-17 00:49:27,572 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 43 [2024-11-17 00:49:27,766 INFO L349 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2024-11-17 00:49:27,767 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 16 treesize of output 18 [2024-11-17 00:49:27,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-17 00:49:27,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-17 00:49:27,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-17 00:49:27,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2024-11-17 00:49:28,076 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:28,077 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:49:28,212 WARN L851 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_845 (Array Int Int)) (v_ArrVal_846 (Array Int Int))) (let ((.cse0 (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_845))) (or (= (select (select (store .cse0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_846) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) |c_ULTIMATE.start_main_~data_init~0#1|) (not (= v_ArrVal_846 (let ((.cse1 (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4))) (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse1 (select v_ArrVal_846 .cse1)))))))) is different from false [2024-11-17 00:49:28,222 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:28,223 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 48 treesize of output 40 [2024-11-17 00:49:28,230 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:28,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 160 treesize of output 160 [2024-11-17 00:49:28,248 INFO L349 Elim1Store]: treesize reduction 16, result has 61.9 percent of original size [2024-11-17 00:49:28,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 62 treesize of output 76 [2024-11-17 00:49:28,260 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 13 treesize of output 1 [2024-11-17 00:49:28,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:28,320 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 49 treesize of output 53 [2024-11-17 00:49:28,357 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:28,358 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 45 treesize of output 49 [2024-11-17 00:49:28,393 INFO L349 Elim1Store]: treesize reduction 16, result has 61.9 percent of original size [2024-11-17 00:49:28,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 73 [2024-11-17 00:49:28,414 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:28,414 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 26 treesize of output 30 [2024-11-17 00:49:28,439 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:49:28,441 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 26 treesize of output 20 [2024-11-17 00:49:28,454 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 77 treesize of output 71 [2024-11-17 00:49:29,444 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 12 proven. 32 refuted. 0 times theorem prover too weak. 3 trivial. 3 not checked. [2024-11-17 00:49:29,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [286163415] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:49:29,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:49:29,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19, 17] total 41 [2024-11-17 00:49:29,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915781170] [2024-11-17 00:49:29,445 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:49:29,445 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-17 00:49:29,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:29,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-17 00:49:29,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1341, Unknown=21, NotChecked=76, Total=1640 [2024-11-17 00:49:29,447 INFO L87 Difference]: Start difference. First operand 88 states and 92 transitions. Second operand has 41 states, 41 states have (on average 2.8048780487804876) internal successors, (115), 41 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:29,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:29,943 INFO L93 Difference]: Finished difference Result 88 states and 91 transitions. [2024-11-17 00:49:29,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 00:49:29,944 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 41 states have (on average 2.8048780487804876) internal successors, (115), 41 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2024-11-17 00:49:29,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:29,944 INFO L225 Difference]: With dead ends: 88 [2024-11-17 00:49:29,944 INFO L226 Difference]: Without dead ends: 88 [2024-11-17 00:49:29,945 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 66 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=416, Invalid=1919, Unknown=21, NotChecked=94, Total=2450 [2024-11-17 00:49:29,946 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 32 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 724 SdHoareTripleChecker+Invalid, 501 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:29,946 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 724 Invalid, 501 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 452 Invalid, 0 Unknown, 32 Unchecked, 0.3s Time] [2024-11-17 00:49:29,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-17 00:49:29,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2024-11-17 00:49:29,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 73 states have (on average 1.2465753424657535) internal successors, (91), 87 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:29,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 91 transitions. [2024-11-17 00:49:29,951 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 91 transitions. Word has length 47 [2024-11-17 00:49:29,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:29,952 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 91 transitions. [2024-11-17 00:49:29,952 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 2.8048780487804876) internal successors, (115), 41 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:29,952 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 91 transitions. [2024-11-17 00:49:29,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 00:49:29,953 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:29,953 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:29,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 00:49:30,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:30,154 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:30,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:30,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1349386288, now seen corresponding path program 1 times [2024-11-17 00:49:30,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:30,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965215113] [2024-11-17 00:49:30,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:30,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:30,352 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-17 00:49:30,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:30,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965215113] [2024-11-17 00:49:30,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965215113] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:30,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:30,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-17 00:49:30,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957790340] [2024-11-17 00:49:30,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:30,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 00:49:30,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:30,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 00:49:30,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-17 00:49:30,354 INFO L87 Difference]: Start difference. First operand 88 states and 91 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:30,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:30,566 INFO L93 Difference]: Finished difference Result 90 states and 92 transitions. [2024-11-17 00:49:30,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 00:49:30,566 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-11-17 00:49:30,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:30,567 INFO L225 Difference]: With dead ends: 90 [2024-11-17 00:49:30,567 INFO L226 Difference]: Without dead ends: 90 [2024-11-17 00:49:30,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-17 00:49:30,567 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 37 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:30,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 149 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 00:49:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-17 00:49:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2024-11-17 00:49:30,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 73 states have (on average 1.2191780821917808) internal successors, (89), 85 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 89 transitions. [2024-11-17 00:49:30,570 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 89 transitions. Word has length 49 [2024-11-17 00:49:30,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:30,570 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 89 transitions. [2024-11-17 00:49:30,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:30,570 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 89 transitions. [2024-11-17 00:49:30,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-17 00:49:30,571 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:30,571 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:30,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-17 00:49:30,571 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:30,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:30,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1349386289, now seen corresponding path program 1 times [2024-11-17 00:49:30,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:30,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849057587] [2024-11-17 00:49:30,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:30,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 00:49:30,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:30,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849057587] [2024-11-17 00:49:30,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849057587] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:30,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 00:49:30,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-17 00:49:30,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091687546] [2024-11-17 00:49:30,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:30,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 00:49:30,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:30,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 00:49:30,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 00:49:30,763 INFO L87 Difference]: Start difference. First operand 86 states and 89 transitions. Second operand has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:30,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:30,867 INFO L93 Difference]: Finished difference Result 88 states and 90 transitions. [2024-11-17 00:49:30,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 00:49:30,867 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 49 [2024-11-17 00:49:30,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:30,868 INFO L225 Difference]: With dead ends: 88 [2024-11-17 00:49:30,868 INFO L226 Difference]: Without dead ends: 88 [2024-11-17 00:49:30,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-17 00:49:30,869 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 21 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:30,869 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 198 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 00:49:30,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-17 00:49:30,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2024-11-17 00:49:30,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 73 states have (on average 1.1917808219178083) internal successors, (87), 83 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:30,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 87 transitions. [2024-11-17 00:49:30,871 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 87 transitions. Word has length 49 [2024-11-17 00:49:30,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:30,871 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 87 transitions. [2024-11-17 00:49:30,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.25) internal successors, (34), 9 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:30,871 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 87 transitions. [2024-11-17 00:49:30,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 00:49:30,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:30,872 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:30,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 00:49:30,872 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:30,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:30,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1118696485, now seen corresponding path program 1 times [2024-11-17 00:49:30,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:30,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004146444] [2024-11-17 00:49:30,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:30,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:31,721 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 00:49:31,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:31,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004146444] [2024-11-17 00:49:31,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004146444] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:49:31,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368143529] [2024-11-17 00:49:31,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:31,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:31,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:49:31,723 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:49:31,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 00:49:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:31,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-17 00:49:31,869 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:49:31,890 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 6 treesize of output 5 [2024-11-17 00:49:31,958 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-17 00:49:31,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-17 00:49:32,001 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 [2024-11-17 00:49:32,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 00:49:32,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:49:32,061 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 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 29 [2024-11-17 00:49:32,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:49:32,194 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-17 00:49:32,195 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 43 [2024-11-17 00:49:32,334 INFO L349 Elim1Store]: treesize reduction 120, result has 22.6 percent of original size [2024-11-17 00:49:32,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 87 treesize of output 91 [2024-11-17 00:49:32,732 INFO L349 Elim1Store]: treesize reduction 128, result has 21.5 percent of original size [2024-11-17 00:49:32,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 87 treesize of output 91 [2024-11-17 00:49:32,881 INFO L349 Elim1Store]: treesize reduction 18, result has 76.6 percent of original size [2024-11-17 00:49:32,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 104 [2024-11-17 00:49:33,083 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 00:49:33,083 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:49:33,408 INFO L349 Elim1Store]: treesize reduction 21, result has 16.0 percent of original size [2024-11-17 00:49:33,408 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2398 treesize of output 2312 [2024-11-17 00:49:33,442 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 125 treesize of output 121 [2024-11-17 00:49:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-17 00:49:33,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368143529] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:49:33,525 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:49:33,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 11] total 36 [2024-11-17 00:49:33,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104844048] [2024-11-17 00:49:33,525 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:49:33,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-17 00:49:33,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:33,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-17 00:49:33,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1192, Unknown=2, NotChecked=0, Total=1332 [2024-11-17 00:49:33,527 INFO L87 Difference]: Start difference. First operand 84 states and 87 transitions. Second operand has 37 states, 36 states have (on average 3.1666666666666665) internal successors, (114), 37 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:34,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:34,173 INFO L93 Difference]: Finished difference Result 96 states and 103 transitions. [2024-11-17 00:49:34,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-17 00:49:34,174 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.1666666666666665) internal successors, (114), 37 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-17 00:49:34,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:34,174 INFO L225 Difference]: With dead ends: 96 [2024-11-17 00:49:34,174 INFO L226 Difference]: Without dead ends: 96 [2024-11-17 00:49:34,175 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 82 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 580 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=269, Invalid=1709, Unknown=2, NotChecked=0, Total=1980 [2024-11-17 00:49:34,175 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 50 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 636 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 636 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:34,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 301 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 636 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 00:49:34,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-17 00:49:34,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 88. [2024-11-17 00:49:34,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 77 states have (on average 1.2077922077922079) internal successors, (93), 87 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:34,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 93 transitions. [2024-11-17 00:49:34,177 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 93 transitions. Word has length 50 [2024-11-17 00:49:34,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:34,178 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 93 transitions. [2024-11-17 00:49:34,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.1666666666666665) internal successors, (114), 37 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:34,178 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 93 transitions. [2024-11-17 00:49:34,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-17 00:49:34,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:34,179 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:34,198 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 00:49:34,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 00:49:34,383 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:34,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:34,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1118696484, now seen corresponding path program 1 times [2024-11-17 00:49:34,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:34,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214359764] [2024-11-17 00:49:34,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:34,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:35,368 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 8 proven. 41 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 00:49:35,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:35,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214359764] [2024-11-17 00:49:35,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214359764] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:49:35,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060321657] [2024-11-17 00:49:35,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:35,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:35,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:49:35,370 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:49:35,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 00:49:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:35,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-11-17 00:49:35,530 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:49:35,552 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 6 treesize of output 5 [2024-11-17 00:49:35,557 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 6 treesize of output 5 [2024-11-17 00:49:35,633 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-17 00:49:35,634 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 11 treesize of output 11 [2024-11-17 00:49:35,640 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 14 treesize of output 9 [2024-11-17 00:49:35,679 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 [2024-11-17 00:49:35,683 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 [2024-11-17 00:49:35,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 00:49:35,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 00:49:35,760 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-17 00:49:35,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 54 [2024-11-17 00:49:35,767 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 35 treesize of output 11 [2024-11-17 00:49:35,893 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2024-11-17 00:49:35,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2024-11-17 00:49:35,915 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2024-11-17 00:49:35,916 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 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-17 00:49:35,999 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-17 00:49:35,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 66 treesize of output 49 [2024-11-17 00:49:36,005 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-17 00:49:36,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 73 treesize of output 64 [2024-11-17 00:49:36,245 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-17 00:49:36,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 66 treesize of output 49 [2024-11-17 00:49:36,249 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-17 00:49:36,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 73 treesize of output 64 [2024-11-17 00:49:36,297 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:36,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 58 treesize of output 46 [2024-11-17 00:49:36,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:36,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 42 treesize of output 42 [2024-11-17 00:49:36,464 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 00:49:36,464 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:49:37,315 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 40 treesize of output 38 [2024-11-17 00:49:37,320 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 7 treesize of output 3 [2024-11-17 00:49:37,326 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:37,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 94 treesize of output 98 [2024-11-17 00:49:37,379 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-17 00:49:37,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 150 treesize of output 150 [2024-11-17 00:49:37,390 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 139 treesize of output 137 [2024-11-17 00:49:37,402 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 52 treesize of output 40 [2024-11-17 00:49:37,465 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-17 00:49:37,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 163 treesize of output 1 [2024-11-17 00:49:37,493 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-17 00:49:37,493 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 219 treesize of output 217 [2024-11-17 00:49:37,505 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 116 treesize of output 114 [2024-11-17 00:49:37,516 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 40 treesize of output 32 [2024-11-17 00:49:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 32 proven. 9 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 00:49:37,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060321657] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:49:37,944 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:49:37,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 13] total 40 [2024-11-17 00:49:37,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902401331] [2024-11-17 00:49:37,944 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:49:37,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-11-17 00:49:37,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:37,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-11-17 00:49:37,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1496, Unknown=2, NotChecked=0, Total=1640 [2024-11-17 00:49:37,945 INFO L87 Difference]: Start difference. First operand 88 states and 93 transitions. Second operand has 41 states, 40 states have (on average 3.075) internal successors, (123), 41 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:40,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-11-17 00:49:41,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:41,688 INFO L93 Difference]: Finished difference Result 95 states and 99 transitions. [2024-11-17 00:49:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 00:49:41,688 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 40 states have (on average 3.075) internal successors, (123), 41 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 50 [2024-11-17 00:49:41,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:41,689 INFO L225 Difference]: With dead ends: 95 [2024-11-17 00:49:41,689 INFO L226 Difference]: Without dead ends: 95 [2024-11-17 00:49:41,690 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 872 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=382, Invalid=3154, Unknown=4, NotChecked=0, Total=3540 [2024-11-17 00:49:41,690 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 54 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 971 mSolverCounterSat, 24 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 524 SdHoareTripleChecker+Invalid, 996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 971 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:41,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 524 Invalid, 996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 971 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2024-11-17 00:49:41,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-17 00:49:41,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2024-11-17 00:49:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 80 states have (on average 1.1875) internal successors, (95), 89 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 95 transitions. [2024-11-17 00:49:41,692 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 95 transitions. Word has length 50 [2024-11-17 00:49:41,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:41,692 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 95 transitions. [2024-11-17 00:49:41,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 40 states have (on average 3.075) internal successors, (123), 41 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 95 transitions. [2024-11-17 00:49:41,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 00:49:41,693 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:41,693 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:41,706 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 00:49:41,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 00:49:41,898 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:41,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:41,898 INFO L85 PathProgramCache]: Analyzing trace with hash 384298488, now seen corresponding path program 1 times [2024-11-17 00:49:41,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:41,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1863077503] [2024-11-17 00:49:41,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:41,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 00:49:42,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:42,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1863077503] [2024-11-17 00:49:42,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1863077503] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:49:42,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [847319458] [2024-11-17 00:49:42,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:42,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:42,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:49:42,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:49:42,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 00:49:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:42,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-17 00:49:42,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:49:42,953 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 6 treesize of output 5 [2024-11-17 00:49:42,992 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-11-17 00:49:42,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-11-17 00:49:43,018 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 13 treesize of output 9 [2024-11-17 00:49:43,044 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 [2024-11-17 00:49:43,060 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-17 00:49:43,060 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 41 [2024-11-17 00:49:43,119 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-17 00:49:43,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 27 [2024-11-17 00:49:43,127 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 18 treesize of output 10 [2024-11-17 00:49:43,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 40 [2024-11-17 00:49:43,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 43 [2024-11-17 00:49:43,585 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:43,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 28 treesize of output 10 [2024-11-17 00:49:43,663 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 00:49:43,663 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 00:49:43,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [847319458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 00:49:43,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 00:49:43,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [18] total 33 [2024-11-17 00:49:43,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784425279] [2024-11-17 00:49:43,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 00:49:43,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 00:49:43,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:43,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 00:49:43,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=957, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 00:49:43,665 INFO L87 Difference]: Start difference. First operand 90 states and 95 transitions. Second operand has 17 states, 16 states have (on average 2.875) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:44,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:44,273 INFO L93 Difference]: Finished difference Result 112 states and 119 transitions. [2024-11-17 00:49:44,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 00:49:44,274 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.875) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-17 00:49:44,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:44,274 INFO L225 Difference]: With dead ends: 112 [2024-11-17 00:49:44,275 INFO L226 Difference]: Without dead ends: 112 [2024-11-17 00:49:44,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=129, Invalid=1203, Unknown=0, NotChecked=0, Total=1332 [2024-11-17 00:49:44,275 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 29 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 640 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:44,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 348 Invalid, 648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 640 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 00:49:44,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2024-11-17 00:49:44,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 96. [2024-11-17 00:49:44,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 86 states have (on average 1.186046511627907) internal successors, (102), 95 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:44,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 102 transitions. [2024-11-17 00:49:44,277 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 102 transitions. Word has length 54 [2024-11-17 00:49:44,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:44,277 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 102 transitions. [2024-11-17 00:49:44,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.875) internal successors, (46), 17 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:44,278 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 102 transitions. [2024-11-17 00:49:44,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 00:49:44,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:44,278 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:44,291 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 00:49:44,482 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-17 00:49:44,483 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:44,483 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:44,483 INFO L85 PathProgramCache]: Analyzing trace with hash 384298489, now seen corresponding path program 1 times [2024-11-17 00:49:44,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:44,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567584204] [2024-11-17 00:49:44,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:44,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 8 proven. 39 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-17 00:49:45,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:45,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567584204] [2024-11-17 00:49:45,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567584204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:49:45,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646312898] [2024-11-17 00:49:45,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:45,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:45,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:49:45,125 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:49:45,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 00:49:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:45,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-17 00:49:45,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:49:45,316 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 6 treesize of output 5 [2024-11-17 00:49:45,366 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 1 [2024-11-17 00:49:45,372 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-17 00:49:45,372 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 11 treesize of output 11 [2024-11-17 00:49:45,404 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 13 treesize of output 9 [2024-11-17 00:49:45,436 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 [2024-11-17 00:49:45,450 INFO L349 Elim1Store]: treesize reduction 21, result has 19.2 percent of original size [2024-11-17 00:49:45,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 32 [2024-11-17 00:49:45,522 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-17 00:49:45,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2024-11-17 00:49:45,528 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 8 treesize of output 4 [2024-11-17 00:49:45,561 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2024-11-17 00:49:45,566 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 13 treesize of output 9 [2024-11-17 00:49:45,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2024-11-17 00:49:45,701 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 [2024-11-17 00:49:45,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 treesize of output 10 [2024-11-17 00:49:45,816 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 9 treesize of output 3 [2024-11-17 00:49:45,869 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 32 proven. 7 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-17 00:49:45,869 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:49:46,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:49:46,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:49:46,881 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) (.cse4 (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (and (forall ((v_ArrVal_2103 (Array Int Int))) (or (not (= v_ArrVal_2103 (store .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_2103 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (forall ((v_ArrVal_2105 (Array Int Int)) (v_ArrVal_2104 (Array Int Int)) (v_ArrVal_2112 (Array Int Int))) (let ((.cse2 (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 8))) (let ((.cse1 (select v_ArrVal_2112 .cse2)) (.cse3 (select v_ArrVal_2112 .cse4))) (or (not (= v_ArrVal_2112 (store (store (select (store (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_2103) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_2104) .cse1 v_ArrVal_2105) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2 .cse1) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_2112 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (< (+ 3 |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (select |c_#length| (select (select (store (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_2104) .cse1 v_ArrVal_2105) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_2112) .cse3) .cse2))) (not (= .cse3 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)))))))) (or (< 0 (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1)) (forall ((v_ArrVal_2105 (Array Int Int)) (v_ArrVal_2104 (Array Int Int)) (v_ArrVal_2103 (Array Int Int)) (|ULTIMATE.start_dll_circular_create_~last~0#1.base| Int)) (or (not (= v_ArrVal_2103 (store .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| (select v_ArrVal_2103 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|)))) (not (= (select (select (store (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_2103) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_2104) |ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_2105) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse4) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))))))) is different from false [2024-11-17 00:49:46,892 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 151 treesize of output 149 [2024-11-17 00:49:46,903 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 8 treesize of output 4 [2024-11-17 00:49:46,912 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 8 treesize of output 4 [2024-11-17 00:49:46,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:49:46,920 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 146 treesize of output 144 [2024-11-17 00:49:46,943 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:46,943 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 118 treesize of output 111 [2024-11-17 00:49:46,965 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:46,966 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 95 treesize of output 102 [2024-11-17 00:49:46,977 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:46,978 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 91 [2024-11-17 00:49:46,999 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 21 treesize of output 15 [2024-11-17 00:49:47,015 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 21 treesize of output 15 [2024-11-17 00:49:47,036 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 21 treesize of output 15 [2024-11-17 00:49:47,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 35 [2024-11-17 00:49:47,058 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:47,058 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 33 treesize of output 21 [2024-11-17 00:49:47,119 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 35 treesize of output 33 [2024-11-17 00:49:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 26 refuted. 10 times theorem prover too weak. 11 trivial. 3 not checked. [2024-11-17 00:49:47,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646312898] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 00:49:47,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 00:49:47,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 19] total 51 [2024-11-17 00:49:47,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325261958] [2024-11-17 00:49:47,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 00:49:47,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-17 00:49:47,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 00:49:47,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-17 00:49:47,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=2190, Unknown=82, NotChecked=96, Total=2550 [2024-11-17 00:49:47,372 INFO L87 Difference]: Start difference. First operand 96 states and 102 transitions. Second operand has 51 states, 51 states have (on average 2.6862745098039214) internal successors, (137), 51 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:47,411 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse3 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (forall ((v_ArrVal_2112 (Array Int Int))) (let ((.cse1 (+ 8 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse0 (select v_ArrVal_2112 .cse3))) (or (< (+ 3 |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (select |c_#length| (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_2112) .cse0) .cse1))) (not (= (store (store .cse2 .cse1 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select v_ArrVal_2112 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) v_ArrVal_2112)) (not (= .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))))) (or (< 0 (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1)) (not (= (select .cse2 .cse3) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1))) is different from false [2024-11-17 00:49:47,613 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse3 (+ 4 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|))) (and (= |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 0) (forall ((v_ArrVal_2112 (Array Int Int))) (let ((.cse1 (+ 8 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse0 (select v_ArrVal_2112 .cse3))) (or (< (+ 3 |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset|) (select |c_#length| (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_2112) .cse0) .cse1))) (not (= (store (store .cse2 .cse1 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset| (select v_ArrVal_2112 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) v_ArrVal_2112)) (not (= .cse0 |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))))) (or (< 0 (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 1)) (not (= (select .cse2 .cse3) |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|))) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) 1) (= (select |c_#valid| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) 1))) is different from false [2024-11-17 00:49:48,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 00:49:48,902 INFO L93 Difference]: Finished difference Result 94 states and 97 transitions. [2024-11-17 00:49:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-17 00:49:48,902 INFO L78 Accepts]: Start accepts. Automaton has has 51 states, 51 states have (on average 2.6862745098039214) internal successors, (137), 51 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2024-11-17 00:49:48,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 00:49:48,903 INFO L225 Difference]: With dead ends: 94 [2024-11-17 00:49:48,903 INFO L226 Difference]: Without dead ends: 94 [2024-11-17 00:49:48,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 78 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 1053 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=355, Invalid=3465, Unknown=98, NotChecked=372, Total=4290 [2024-11-17 00:49:48,904 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 58 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 1192 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 1466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 250 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 00:49:48,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 744 Invalid, 1466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1192 Invalid, 0 Unknown, 250 Unchecked, 0.8s Time] [2024-11-17 00:49:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-17 00:49:48,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2024-11-17 00:49:48,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 80 states have (on average 1.175) internal successors, (94), 89 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:48,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2024-11-17 00:49:48,906 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 54 [2024-11-17 00:49:48,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 00:49:48,906 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2024-11-17 00:49:48,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.6862745098039214) internal successors, (137), 51 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 00:49:48,906 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2024-11-17 00:49:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 00:49:48,907 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 00:49:48,907 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 00:49:48,922 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 00:49:49,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:49,112 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr2ASSERT_VIOLATIONMEMORY_FREE (and 32 more)] === [2024-11-17 00:49:49,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 00:49:49,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1802385870, now seen corresponding path program 1 times [2024-11-17 00:49:49,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 00:49:49,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123840281] [2024-11-17 00:49:49,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:49,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 00:49:49,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 3 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 00:49:51,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 00:49:51,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123840281] [2024-11-17 00:49:51,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123840281] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 00:49:51,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [603889568] [2024-11-17 00:49:51,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 00:49:51,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 00:49:51,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 00:49:51,419 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 00:49:51,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 00:49:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 00:49:51,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 102 conjuncts are in the unsatisfiable core [2024-11-17 00:49:51,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 00:49:51,606 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 6 treesize of output 5 [2024-11-17 00:49:51,686 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-17 00:49:51,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-17 00:49:51,733 INFO L349 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2024-11-17 00:49:51,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2024-11-17 00:49:51,878 INFO L349 Elim1Store]: treesize reduction 44, result has 30.2 percent of original size [2024-11-17 00:49:51,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 22 treesize of output 33 [2024-11-17 00:49:51,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-17 00:49:52,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-17 00:49:52,213 INFO L349 Elim1Store]: treesize reduction 20, result has 39.4 percent of original size [2024-11-17 00:49:52,214 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 21 treesize of output 25 [2024-11-17 00:49:52,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-17 00:49:52,302 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 11 treesize of output 7 [2024-11-17 00:49:52,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 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 [2024-11-17 00:49:52,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-17 00:49:52,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 00:49:52,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 00:49:52,406 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2024-11-17 00:49:52,406 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 2 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 83 [2024-11-17 00:49:52,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 15 [2024-11-17 00:49:52,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 11 [2024-11-17 00:49:52,569 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 39 treesize of output 30 [2024-11-17 00:49:52,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-17 00:49:52,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-11-17 00:49:52,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2024-11-17 00:49:52,663 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-17 00:49:52,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 50 treesize of output 33 [2024-11-17 00:49:52,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:49:52,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-17 00:49:52,908 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-11-17 00:49:52,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 50 treesize of output 33 [2024-11-17 00:49:52,913 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 20 treesize of output 15 [2024-11-17 00:49:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:49:52,920 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2024-11-17 00:49:52,946 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-17 00:49:52,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 42 treesize of output 26 [2024-11-17 00:49:52,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-11-17 00:49:53,139 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 15 proven. 36 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 00:49:53,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 00:49:53,644 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse2 (+ 4 |c_ULTIMATE.start_dll_circular_create_#res#1.offset|))) (let ((.cse0 (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_#res#1.base|) .cse2)) (.cse1 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_#res#1.base|) .cse2))) (and (forall ((v_ArrVal_2380 (Array Int Int)) (|v_ULTIMATE.start_main_~ptr~0#1.offset_44| Int)) (or (< |v_ULTIMATE.start_main_~ptr~0#1.offset_44| 0) (< .cse0 |v_ULTIMATE.start_main_~ptr~0#1.offset_44|) (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_#res#1.base| v_ArrVal_2380) .cse1) |v_ULTIMATE.start_main_~ptr~0#1.offset_44|)) (= |v_ULTIMATE.start_main_~ptr~0#1.offset_44| |c_ULTIMATE.start_dll_circular_create_#res#1.offset|))) (or (forall ((v_ArrVal_2380 (Array Int Int)) (v_prenex_31 Int)) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_#res#1.base| v_ArrVal_2380) .cse1) v_prenex_31)) (< v_prenex_31 0) (< .cse0 v_prenex_31))) (= .cse1 |c_ULTIMATE.start_dll_circular_create_#res#1.base|))))) is different from false [2024-11-17 00:49:54,163 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (.cse2 (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (let ((.cse0 (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse1 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2))) (and (forall ((v_ArrVal_2373 Int)) (or (< |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_2373) (forall ((v_ArrVal_2380 (Array Int Int)) (|v_ULTIMATE.start_main_~ptr~0#1.offset_44| Int) (v_ArrVal_2372 (Array Int Int))) (or (= |c_ULTIMATE.start_main_~data_init~0#1| (select (select (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_2372) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_2380) .cse0) |v_ULTIMATE.start_main_~ptr~0#1.offset_44|)) (< (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse1 v_ArrVal_2373)) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2) |v_ULTIMATE.start_main_~ptr~0#1.offset_44|) (= |v_ULTIMATE.start_main_~ptr~0#1.offset_44| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (< |v_ULTIMATE.start_main_~ptr~0#1.offset_44| 0))))) (or (= .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (forall ((v_ArrVal_2380 (Array Int Int)) (v_prenex_31 Int) (v_ArrVal_2372 (Array Int Int))) (or (= (select (select (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_2372) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_2380) (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2)) v_prenex_31) |c_ULTIMATE.start_main_~data_init~0#1|) (< (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2) v_prenex_31) (< v_prenex_31 0))))))) is different from false [2024-11-17 00:49:54,208 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse1 (+ |c_ULTIMATE.start_dll_circular_create_~last~0#1.offset| 4)) (.cse5 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base|)) (.cse4 (+ 8 |c_ULTIMATE.start_dll_circular_create_~head~0#1.offset|)) (.cse2 (+ |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| 4))) (and (forall ((v_ArrVal_2366 Int) (v_ArrVal_2368 Int) (v_ArrVal_2365 (Array Int Int))) (let ((.cse0 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_2365))) (or (= (select (select (store .cse0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse0 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse1 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|)) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) (forall ((v_ArrVal_2380 (Array Int Int)) (v_prenex_31 Int) (v_ArrVal_2372 (Array Int Int))) (or (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store .cse3 .cse4 v_ArrVal_2368)) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_2372) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_2380) (select (select .cse0 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2)) v_prenex_31) |c_ULTIMATE.start_main_~data_init~0#1|) (< v_prenex_31 0) (< (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store .cse5 .cse4 v_ArrVal_2366)) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2) v_prenex_31)))))) (forall ((v_ArrVal_2373 Int) (v_ArrVal_2366 Int) (v_ArrVal_2368 Int) (v_ArrVal_2365 (Array Int Int))) (or (< |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset| v_ArrVal_2373) (forall ((v_ArrVal_2380 (Array Int Int)) (|v_ULTIMATE.start_main_~ptr~0#1.offset_44| Int) (v_ArrVal_2372 (Array Int Int))) (or (= |v_ULTIMATE.start_main_~ptr~0#1.offset_44| |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.offset|) (< |v_ULTIMATE.start_main_~ptr~0#1.offset_44| 0) (= (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store .cse3 .cse4 v_ArrVal_2368)) |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| v_ArrVal_2372) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base| v_ArrVal_2380) (select (select (let ((.cse6 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| v_ArrVal_2365))) (store .cse6 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse6 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse1 |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|))) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2)) |v_ULTIMATE.start_main_~ptr~0#1.offset_44|) |c_ULTIMATE.start_main_~data_init~0#1|) (< (select (select (let ((.cse7 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_dll_circular_create_~head~0#1.base| (store .cse5 .cse4 v_ArrVal_2366)))) (store .cse7 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base| (store (select .cse7 |c_ULTIMATE.start_dll_circular_create_~last~0#1.base|) .cse1 v_ArrVal_2373))) |c_ULTIMATE.start_dll_circular_create_~new_head~0#1.base|) .cse2) |v_ULTIMATE.start_main_~ptr~0#1.offset_44|))))))) is different from false [2024-11-17 00:49:55,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:55,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 2734 treesize of output 2715 [2024-11-17 00:49:55,652 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 714 treesize of output 698 [2024-11-17 00:49:55,747 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:55,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1491 treesize of output 1486 [2024-11-17 00:49:55,782 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 839 treesize of output 819 [2024-11-17 00:49:55,900 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:55,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 809 treesize of output 840 [2024-11-17 00:49:56,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:56,065 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:49:56,139 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:56,139 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:49:56,353 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:56,354 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:49:56,481 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:49:56,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:56,629 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:49:57,154 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:57,155 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:49:57,523 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:57,524 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2024-11-17 00:49:57,546 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 31 treesize of output 27 [2024-11-17 00:49:57,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:57,712 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:49:57,803 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:57,803 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:49:57,843 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:57,844 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:49:57,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:57,866 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:49:57,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:57,922 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:49:57,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:49:57,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:57,956 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:49:57,976 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:57,976 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:49:58,710 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:58,711 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:49:59,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:59,069 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:49:59,100 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:59,100 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:49:59,337 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:59,337 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:49:59,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:49:59,400 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:00,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:00,499 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:00,499 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:00,686 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:00,686 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:00,928 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:00,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:01,213 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:01,213 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:01,660 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:01,660 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:02,447 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:02,448 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:02,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:02,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:02,515 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:02,778 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:02,779 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:03,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:03,422 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:03,763 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:03,764 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:04,593 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:04,593 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:04,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:04,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:04,702 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:05,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:05,684 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:05,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:05,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:05,791 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:05,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:05,938 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:06,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:06,205 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:06,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:06,253 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:06,253 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:06,333 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:06,333 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:06,431 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:06,432 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:06,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:06,509 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:06,510 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:06,882 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:06,883 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:07,451 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:07,452 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:07,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:07,493 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:07,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:07,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:07,730 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:07,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:07,768 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:08,260 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:08,260 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:08,474 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:08,475 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:08,531 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:08,532 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:08,705 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:08,705 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:08,786 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:08,786 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:08,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:08,919 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:08,919 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:08,952 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:08,952 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:09,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:09,590 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:09,622 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:09,622 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:09,713 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:09,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:09,767 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:09,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:09,947 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:10,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:10,010 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:10,067 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:10,067 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:10,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:10,090 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:10,218 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:10,254 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:10,255 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:10,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:10,328 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:10,329 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:10,386 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:10,387 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:10,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:10,735 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:10,736 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:10,930 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:10,931 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:11,002 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:11,003 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:11,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:11,083 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:11,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:11,149 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:11,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:11,202 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:11,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-11-17 00:50:11,307 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:11,307 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:11,811 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:11,811 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:11,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:11,959 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:12,126 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:12,127 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:12,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:12,206 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:12,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:12,242 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:12,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:12,403 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:15,861 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:15,862 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:15,928 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:15,929 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 50 [2024-11-17 00:50:16,188 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:16,188 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:16,444 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:16,444 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:16,594 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:16,594 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 45 [2024-11-17 00:50:16,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:16,857 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:17,196 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:17,196 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:17,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:17,237 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:17,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:17,311 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:19,834 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 8 treesize of output 6 [2024-11-17 00:50:20,962 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 23113 treesize of output 22919 [2024-11-17 00:50:29,360 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 8 treesize of output 6 [2024-11-17 00:50:29,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 8 treesize of output 6 [2024-11-17 00:50:29,642 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 8 treesize of output 6 [2024-11-17 00:50:29,769 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 8 treesize of output 6 [2024-11-17 00:50:35,785 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 23478 treesize of output 22778 [2024-11-17 00:50:36,163 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:36,163 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:36,182 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:36,182 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:36,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:36,980 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:36,999 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:36,999 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:39,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:39,205 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:39,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:39,226 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:40,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:40,970 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:43,638 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:43,638 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:43,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:43,662 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:44,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:44,148 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:44,167 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:44,168 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:44,842 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:44,842 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:45,531 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:45,532 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:46,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:46,070 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:46,096 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:46,096 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:46,268 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:46,268 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:46,287 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:46,287 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:46,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-17 00:50:46,565 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 25 [2024-11-17 00:50:51,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:51,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:51,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:51,262 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 50 treesize of output 46 [2024-11-17 00:50:51,480 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,481 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,482 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:51,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:51,497 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:51,505 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,509 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,511 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 24 treesize of output 20 [2024-11-17 00:50:51,537 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,539 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 24 treesize of output 20 [2024-11-17 00:50:51,716 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,720 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,722 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 24 treesize of output 20 [2024-11-17 00:50:51,745 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,748 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 24 treesize of output 20 [2024-11-17 00:50:51,751 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,775 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,800 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,803 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 24 treesize of output 20 [2024-11-17 00:50:51,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:51,924 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,956 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,957 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,959 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,959 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,961 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:51,964 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,964 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,966 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:51,968 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,971 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,971 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,973 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:51,975 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,978 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,978 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,980 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:51,982 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,983 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,984 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:51,987 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,987 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,990 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,990 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,992 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:51,995 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,995 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:51,997 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:51,999 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,000 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,001 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,004 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,005 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,006 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,009 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,009 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,011 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,014 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,014 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,016 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,019 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,022 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,022 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,023 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,026 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,027 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,029 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,031 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,032 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,033 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,036 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,037 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,039 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,040 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,041 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,044 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,045 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,046 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,049 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,049 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,051 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,054 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,054 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,057 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,057 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,059 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,062 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,064 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,065 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,066 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,072 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,072 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,074 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,078 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,078 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,080 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,084 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,084 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,086 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:52,098 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,101 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 24 treesize of output 20 [2024-11-17 00:50:52,207 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,223 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,226 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:52,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:52,320 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,350 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,353 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 24 treesize of output 20 [2024-11-17 00:50:52,453 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,456 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,459 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 24 treesize of output 20 [2024-11-17 00:50:52,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:52,493 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,495 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:52,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:52,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:52,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:52,829 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,848 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:52,979 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:52,982 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 24 treesize of output 20 [2024-11-17 00:50:53,053 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,053 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,148 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,150 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 24 treesize of output 20 [2024-11-17 00:50:53,154 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,176 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,198 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,228 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 118 treesize of output 110 [2024-11-17 00:50:53,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:53,326 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:53,358 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,358 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,360 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,363 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,365 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,365 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,367 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,370 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,372 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,372 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,374 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,377 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,377 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,379 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,381 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,382 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,383 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,386 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,389 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,389 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,391 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,394 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,397 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,397 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,399 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,401 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,402 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,403 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,406 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,407 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,408 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,411 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,411 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,413 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:53,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:53,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:53,446 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,462 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,478 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:53,552 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,654 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,657 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 24 treesize of output 20 [2024-11-17 00:50:53,713 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,713 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,785 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,878 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,881 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 24 treesize of output 20 [2024-11-17 00:50:53,884 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,902 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,907 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,909 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 24 treesize of output 20 [2024-11-17 00:50:53,929 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:53,932 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 24 treesize of output 20 [2024-11-17 00:50:54,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:54,106 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,109 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 24 treesize of output 20 [2024-11-17 00:50:54,168 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,171 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 24 treesize of output 20 [2024-11-17 00:50:54,175 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,201 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,202 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,204 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,204 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,206 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,209 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,210 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,212 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,214 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,214 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,216 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,219 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,219 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,221 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,224 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,224 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,226 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,229 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,229 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,231 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,234 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,234 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,237 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,237 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,239 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,242 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,242 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,245 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,245 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,246 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,249 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,250 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,251 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,254 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,254 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:54,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:54,365 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:54,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:54,592 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 50 treesize of output 46 [2024-11-17 00:50:54,674 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 118 treesize of output 110 [2024-11-17 00:50:54,720 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,722 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 24 treesize of output 20 [2024-11-17 00:50:54,754 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 118 treesize of output 110 [2024-11-17 00:50:54,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,820 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,821 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,822 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,824 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,826 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,826 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,827 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:54,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:54,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:54,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-17 00:50:54,906 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,908 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 24 treesize of output 20 [2024-11-17 00:50:54,927 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,927 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-17 00:50:54,929 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-11-17 00:50:55,106 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 118 treesize of output 110 [2024-11-17 00:50:55,160 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 50 treesize of output 46 [2024-11-17 00:50:55,293 INFO L190 IndexEqualityManager]: detected not equals via solver