./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/list-simple/dll2c_prepend_equal.i --full-output --preprocessor.use.memory.slicer false --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6ae2ee47 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/list-simple/dll2c_prepend_equal.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0e4fff172a515598d076941b225a1a1f31b97f5ac14127a866784b10a4e3537 --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-dev-6ae2ee4-m [2023-11-22 23:39:15,862 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-22 23:39:15,910 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-22 23:39:15,913 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-22 23:39:15,916 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-22 23:39:15,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-22 23:39:15,935 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-22 23:39:15,936 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-22 23:39:15,936 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-22 23:39:15,939 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-22 23:39:15,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-22 23:39:15,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-22 23:39:15,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-22 23:39:15,941 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-22 23:39:15,941 INFO L153 SettingsManager]: * Use SBE=true [2023-11-22 23:39:15,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-22 23:39:15,942 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-22 23:39:15,942 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-22 23:39:15,942 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-22 23:39:15,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-22 23:39:15,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-22 23:39:15,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-22 23:39:15,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-22 23:39:15,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-22 23:39:15,944 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-22 23:39:15,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-22 23:39:15,945 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-22 23:39:15,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-22 23:39:15,946 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-22 23:39:15,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-22 23:39:15,947 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-22 23:39:15,947 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:39:15,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-22 23:39:15,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-22 23:39:15,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-22 23:39:15,947 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-22 23:39:15,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-22 23:39:15,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-22 23:39:15,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-22 23:39:15,949 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-22 23:39:15,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-22 23:39:15,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-22 23:39:15,949 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0e4fff172a515598d076941b225a1a1f31b97f5ac14127a866784b10a4e3537 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-22 23:39:16,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-22 23:39:16,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-22 23:39:16,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-22 23:39:16,195 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-22 23:39:16,196 INFO L274 PluginConnector]: CDTParser initialized [2023-11-22 23:39:16,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_prepend_equal.i [2023-11-22 23:39:17,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-22 23:39:17,492 INFO L384 CDTParser]: Found 1 translation units. [2023-11-22 23:39:17,493 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_prepend_equal.i [2023-11-22 23:39:17,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c3ce1ee4/9c88bba2590e4b4fa60daf6bc79ab09b/FLAG8d00ceaea [2023-11-22 23:39:17,514 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c3ce1ee4/9c88bba2590e4b4fa60daf6bc79ab09b [2023-11-22 23:39:17,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-22 23:39:17,519 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-22 23:39:17,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-22 23:39:17,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-22 23:39:17,525 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-22 23:39:17,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,527 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11aa64de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17, skipping insertion in model container [2023-11-22 23:39:17,527 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,571 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-22 23:39:17,771 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_prepend_equal.i[24640,24653] [2023-11-22 23:39:17,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:39:17,785 INFO L202 MainTranslator]: Completed pre-run [2023-11-22 23:39:17,842 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_prepend_equal.i[24640,24653] [2023-11-22 23:39:17,846 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-22 23:39:17,871 INFO L206 MainTranslator]: Completed translation [2023-11-22 23:39:17,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17 WrapperNode [2023-11-22 23:39:17,872 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-22 23:39:17,873 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-22 23:39:17,873 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-22 23:39:17,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-22 23:39:17,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,900 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,925 INFO L138 Inliner]: procedures = 127, calls = 47, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 137 [2023-11-22 23:39:17,925 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-22 23:39:17,926 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-22 23:39:17,926 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-22 23:39:17,926 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-22 23:39:17,934 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,936 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,965 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,966 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-22 23:39:17,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-22 23:39:17,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-22 23:39:17,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-22 23:39:17,970 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (1/1) ... [2023-11-22 23:39:17,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-22 23:39:17,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:39:18,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-22 23:39:18,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-22 23:39:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-22 23:39:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-22 23:39:18,049 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2023-11-22 23:39:18,050 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2023-11-22 23:39:18,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-22 23:39:18,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-22 23:39:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-22 23:39:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-22 23:39:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-22 23:39:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-22 23:39:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-22 23:39:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-22 23:39:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-22 23:39:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-22 23:39:18,287 INFO L241 CfgBuilder]: Building ICFG [2023-11-22 23:39:18,289 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-22 23:39:18,592 INFO L282 CfgBuilder]: Performing block encoding [2023-11-22 23:39:18,628 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-22 23:39:18,628 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-22 23:39:18,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:39:18 BoogieIcfgContainer [2023-11-22 23:39:18,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-22 23:39:18,631 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-22 23:39:18,631 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-22 23:39:18,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-22 23:39:18,634 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:39:17" (1/3) ... [2023-11-22 23:39:18,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158a916f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:39:18, skipping insertion in model container [2023-11-22 23:39:18,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:39:17" (2/3) ... [2023-11-22 23:39:18,637 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158a916f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:39:18, skipping insertion in model container [2023-11-22 23:39:18,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:39:18" (3/3) ... [2023-11-22 23:39:18,638 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_prepend_equal.i [2023-11-22 23:39:18,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-22 23:39:18,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-22 23:39:18,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-22 23:39:18,698 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3fa3e5bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-22 23:39:18,698 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-22 23:39:18,702 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 23 states have (on average 1.565217391304348) internal successors, (36), 24 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-22 23:39:18,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-22 23:39:18,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:39:18,708 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:39:18,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:39:18,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:39:18,713 INFO L85 PathProgramCache]: Analyzing trace with hash -540897351, now seen corresponding path program 1 times [2023-11-22 23:39:18,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:39:18,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286682564] [2023-11-22 23:39:18,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:18,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:39:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:18,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:39:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:18,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:39:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:18,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 23:39:18,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:39:18,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286682564] [2023-11-22 23:39:18,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286682564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:39:18,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:39:18,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-22 23:39:18,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436836077] [2023-11-22 23:39:18,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:39:18,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-22 23:39:18,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:39:18,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-22 23:39:18,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 23:39:18,990 INFO L87 Difference]: Start difference. First operand has 29 states, 23 states have (on average 1.565217391304348) internal successors, (36), 24 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-22 23:39:19,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:39:19,069 INFO L93 Difference]: Finished difference Result 50 states and 71 transitions. [2023-11-22 23:39:19,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-22 23:39:19,071 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-11-22 23:39:19,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:39:19,076 INFO L225 Difference]: With dead ends: 50 [2023-11-22 23:39:19,076 INFO L226 Difference]: Without dead ends: 22 [2023-11-22 23:39:19,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-22 23:39:19,082 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 0 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-22 23:39:19,083 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-22 23:39:19,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-11-22 23:39:19,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-22 23:39:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 17 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-22 23:39:19,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2023-11-22 23:39:19,112 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 28 transitions. Word has length 18 [2023-11-22 23:39:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:39:19,113 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 28 transitions. [2023-11-22 23:39:19,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-22 23:39:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2023-11-22 23:39:19,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-22 23:39:19,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:39:19,114 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:39:19,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-22 23:39:19,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:39:19,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:39:19,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2075980679, now seen corresponding path program 1 times [2023-11-22 23:39:19,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:39:19,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664468362] [2023-11-22 23:39:19,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:19,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:39:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:19,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:39:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:19,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-22 23:39:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:19,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 23:39:19,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:39:19,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664468362] [2023-11-22 23:39:19,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664468362] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-22 23:39:19,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-22 23:39:19,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-22 23:39:19,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359281799] [2023-11-22 23:39:19,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-22 23:39:19,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-22 23:39:19,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:39:19,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-22 23:39:19,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-22 23:39:19,240 INFO L87 Difference]: Start difference. First operand 22 states and 28 transitions. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-22 23:39:19,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:39:19,302 INFO L93 Difference]: Finished difference Result 41 states and 52 transitions. [2023-11-22 23:39:19,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-22 23:39:19,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 18 [2023-11-22 23:39:19,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:39:19,303 INFO L225 Difference]: With dead ends: 41 [2023-11-22 23:39:19,303 INFO L226 Difference]: Without dead ends: 27 [2023-11-22 23:39:19,307 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-22 23:39:19,308 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 4 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-22 23:39:19,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 50 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-22 23:39:19,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-22 23:39:19,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2023-11-22 23:39:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 18 states have internal predecessors, (23), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-22 23:39:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2023-11-22 23:39:19,318 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 29 transitions. Word has length 18 [2023-11-22 23:39:19,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:39:19,318 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 29 transitions. [2023-11-22 23:39:19,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-22 23:39:19,319 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-22 23:39:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-22 23:39:19,320 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:39:19,320 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:39:19,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-22 23:39:19,320 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:39:19,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:39:19,321 INFO L85 PathProgramCache]: Analyzing trace with hash 12333954, now seen corresponding path program 1 times [2023-11-22 23:39:19,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:39:19,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446941874] [2023-11-22 23:39:19,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:19,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:39:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:19,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:39:19,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:19,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:39:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:19,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:39:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:19,997 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 23:39:19,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:39:19,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446941874] [2023-11-22 23:39:19,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446941874] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:39:19,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783388601] [2023-11-22 23:39:19,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:19,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:39:19,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:39:20,013 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) [2023-11-22 23:39:20,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-22 23:39:20,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:20,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-22 23:39:20,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:39:20,256 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 8 treesize of output 4 [2023-11-22 23:39:20,283 WARN L876 $PredicateComparison]: unable to prove that (exists ((|node_create_~temp~0#1.base| Int)) (and (<= (+ |node_create_~temp~0#1.base| 1) |c_#StackHeapBarrier|) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |node_create_~temp~0#1.base| (select |c_#memory_$Pointer$.base| |node_create_~temp~0#1.base|))))) is different from true [2023-11-22 23:39:20,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:20,311 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 17 treesize of output 12 [2023-11-22 23:39:20,338 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 16 treesize of output 8 [2023-11-22 23:39:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 1 not checked. [2023-11-22 23:39:20,352 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 23:39:20,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783388601] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:39:20,419 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-22 23:39:20,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 19 [2023-11-22 23:39:20,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141822996] [2023-11-22 23:39:20,420 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-22 23:39:20,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-11-22 23:39:20,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-22 23:39:20,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-11-22 23:39:20,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=286, Unknown=6, NotChecked=34, Total=380 [2023-11-22 23:39:20,424 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. Second operand has 19 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-22 23:39:20,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-22 23:39:20,839 INFO L93 Difference]: Finished difference Result 46 states and 59 transitions. [2023-11-22 23:39:20,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-22 23:39:20,840 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 26 [2023-11-22 23:39:20,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-22 23:39:20,840 INFO L225 Difference]: With dead ends: 46 [2023-11-22 23:39:20,840 INFO L226 Difference]: Without dead ends: 27 [2023-11-22 23:39:20,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=465, Unknown=6, NotChecked=44, Total=600 [2023-11-22 23:39:20,841 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 18 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-22 23:39:20,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 145 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 202 Invalid, 0 Unknown, 32 Unchecked, 0.3s Time] [2023-11-22 23:39:20,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2023-11-22 23:39:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26. [2023-11-22 23:39:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 20 states have (on average 1.2) internal successors, (24), 20 states have internal predecessors, (24), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-22 23:39:20,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2023-11-22 23:39:20,845 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 32 transitions. Word has length 26 [2023-11-22 23:39:20,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-22 23:39:20,845 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 32 transitions. [2023-11-22 23:39:20,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 14 states have (on average 1.9285714285714286) internal successors, (27), 14 states have internal predecessors, (27), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-22 23:39:20,845 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 32 transitions. [2023-11-22 23:39:20,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-22 23:39:20,846 INFO L187 NwaCegarLoop]: Found error trace [2023-11-22 23:39:20,846 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-22 23:39:20,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-22 23:39:21,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:39:21,053 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-22 23:39:21,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-22 23:39:21,054 INFO L85 PathProgramCache]: Analyzing trace with hash 14180996, now seen corresponding path program 1 times [2023-11-22 23:39:21,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-22 23:39:21,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148108359] [2023-11-22 23:39:21,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:21,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-22 23:39:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:22,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-22 23:39:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:22,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2023-11-22 23:39:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:23,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-22 23:39:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:23,317 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-22 23:39:23,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-22 23:39:23,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148108359] [2023-11-22 23:39:23,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148108359] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-22 23:39:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807970920] [2023-11-22 23:39:23,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-22 23:39:23,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-22 23:39:23,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-22 23:39:23,333 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) [2023-11-22 23:39:23,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-22 23:39:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-22 23:39:23,500 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 115 conjunts are in the unsatisfiable core [2023-11-22 23:39:23,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-22 23:39:23,672 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 [2023-11-22 23:39:23,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 32 treesize of output 48 [2023-11-22 23:39:23,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 44 treesize of output 60 [2023-11-22 23:39:23,947 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 15 [2023-11-22 23:39:23,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2023-11-22 23:39:23,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:23,998 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 38 treesize of output 19 [2023-11-22 23:39:24,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:24,017 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 42 treesize of output 23 [2023-11-22 23:39:24,206 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-22 23:39:24,207 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 241 treesize of output 168 [2023-11-22 23:39:24,213 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 163 treesize of output 127 [2023-11-22 23:39:24,221 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 0 case distinctions, treesize of input 116 treesize of output 119 [2023-11-22 23:39:24,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:24,228 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 133 treesize of output 109 [2023-11-22 23:39:24,242 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2023-11-22 23:39:24,242 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 1 case distinctions, treesize of input 103 treesize of output 109 [2023-11-22 23:39:24,256 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2023-11-22 23:39:24,257 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 1 case distinctions, treesize of input 98 treesize of output 104 [2023-11-22 23:39:24,265 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 0 case distinctions, treesize of input 93 treesize of output 96 [2023-11-22 23:39:24,274 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 5 treesize of output 3 [2023-11-22 23:39:24,390 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 5 [2023-11-22 23:39:24,420 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 5 [2023-11-22 23:39:24,429 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-22 23:39:24,430 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 70 [2023-11-22 23:39:24,434 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 18 [2023-11-22 23:39:24,442 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-22 23:39:24,443 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 40 [2023-11-22 23:39:24,465 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 23:39:24,465 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 65 treesize of output 81 [2023-11-22 23:39:24,472 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 23:39:24,473 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 72 treesize of output 66 [2023-11-22 23:39:24,607 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 [2023-11-22 23:39:24,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:24,725 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2023-11-22 23:39:24,726 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 249 treesize of output 178 [2023-11-22 23:39:24,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:24,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:24,745 INFO L349 Elim1Store]: treesize reduction 21, result has 44.7 percent of original size [2023-11-22 23:39:24,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 260 treesize of output 206 [2023-11-22 23:39:24,762 INFO L349 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2023-11-22 23:39:24,763 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 1 case distinctions, treesize of input 178 treesize of output 184 [2023-11-22 23:39:24,770 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 0 case distinctions, treesize of input 173 treesize of output 176 [2023-11-22 23:39:24,783 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2023-11-22 23:39:24,784 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 1 case distinctions, treesize of input 168 treesize of output 174 [2023-11-22 23:39:24,792 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 0 case distinctions, treesize of input 157 treesize of output 160 [2023-11-22 23:39:24,893 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 13 treesize of output 11 [2023-11-22 23:39:24,936 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 5 [2023-11-22 23:39:24,945 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-22 23:39:24,948 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 117 treesize of output 111 [2023-11-22 23:39:25,009 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-11-22 23:39:25,010 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 152 treesize of output 146 [2023-11-22 23:39:25,052 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-22 23:39:25,053 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2023-11-22 23:39:25,132 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-22 23:39:25,133 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 15 treesize of output 15 [2023-11-22 23:39:25,450 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:25,450 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:25,451 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:25,453 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-22 23:39:25,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:25,464 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:25,465 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:25,467 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-22 23:39:25,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,493 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 93 treesize of output 54 [2023-11-22 23:39:25,531 INFO L349 Elim1Store]: treesize reduction 80, result has 15.8 percent of original size [2023-11-22 23:39:25,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 407 treesize of output 206 [2023-11-22 23:39:25,547 INFO L349 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2023-11-22 23:39:25,548 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 3 case distinctions, treesize of input 232 treesize of output 198 [2023-11-22 23:39:25,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 17 [2023-11-22 23:39:25,567 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-22 23:39:25,567 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 153 treesize of output 137 [2023-11-22 23:39:25,589 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 170 treesize of output 132 [2023-11-22 23:39:25,602 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-22 23:39:25,602 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 3 new quantified variables, introduced 1 case distinctions, treesize of input 111 treesize of output 100 [2023-11-22 23:39:25,610 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-22 23:39:25,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 88 treesize of output 84 [2023-11-22 23:39:25,652 INFO L349 Elim1Store]: treesize reduction 86, result has 1.1 percent of original size [2023-11-22 23:39:25,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 400 treesize of output 186 [2023-11-22 23:39:25,664 INFO L349 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-22 23:39:25,665 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 2 case distinctions, treesize of input 210 treesize of output 1 [2023-11-22 23:39:25,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 51 [2023-11-22 23:39:25,700 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-22 23:39:25,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 259 treesize of output 223 [2023-11-22 23:39:25,717 INFO L349 Elim1Store]: treesize reduction 94, result has 1.1 percent of original size [2023-11-22 23:39:25,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 350 treesize of output 171 [2023-11-22 23:39:25,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 205 treesize of output 160 [2023-11-22 23:39:25,765 INFO L349 Elim1Store]: treesize reduction 51, result has 1.9 percent of original size [2023-11-22 23:39:25,765 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 183 treesize of output 1 [2023-11-22 23:39:25,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-22 23:39:25,794 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:25,797 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 59 treesize of output 51 [2023-11-22 23:39:25,809 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-22 23:39:25,809 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 1 case distinctions, treesize of input 197 treesize of output 161 [2023-11-22 23:39:25,819 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:25,821 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 239 treesize of output 161 [2023-11-22 23:39:25,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 51 treesize of output 17 [2023-11-22 23:39:25,844 INFO L349 Elim1Store]: treesize reduction 106, result has 0.9 percent of original size [2023-11-22 23:39:25,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 203 treesize of output 107 [2023-11-22 23:39:25,854 INFO L349 Elim1Store]: treesize reduction 37, result has 2.6 percent of original size [2023-11-22 23:39:25,854 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 2 case distinctions, treesize of input 106 treesize of output 1 [2023-11-22 23:39:25,900 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 34 treesize of output 22 [2023-11-22 23:39:25,903 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 28 treesize of output 16 [2023-11-22 23:39:25,981 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-22 23:39:25,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-22 23:39:26,078 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_700 (Array Int Int)) (v_ArrVal_697 Int) (v_ArrVal_710 (Array Int Int)) (v_ArrVal_699 (Array Int Int)) (v_ArrVal_704 (Array Int Int)) (v_ArrVal_705 (Array Int Int)) (v_ArrVal_707 (Array Int Int)) (v_ArrVal_703 Int) (v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int))) (let ((.cse4 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base|)) (.cse5 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base|))) (let ((.cse8 (+ (select .cse5 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset|) 4)) (.cse0 (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| v_ArrVal_695)) (.cse1 (select .cse4 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset|))) (let ((.cse6 (store (store .cse0 |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base| (store (select .cse0 |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|) |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.offset| v_ArrVal_697)) .cse1 v_ArrVal_707)) (.cse2 (select (select |c_#memory_$Pointer$.base| .cse1) .cse8))) (let ((.cse3 (store (select .cse6 .cse2) (select (select |c_#memory_$Pointer$.offset| .cse1) .cse8) v_ArrVal_703))) (or (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store .cse0 .cse1 v_ArrVal_707) .cse2 .cse3) |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base| v_ArrVal_700) (select (select (store (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| (store .cse4 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|)) .cse1 v_ArrVal_704) .cse2 v_ArrVal_710) |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base| v_ArrVal_698) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| (store .cse5 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.offset|)) .cse1 v_ArrVal_699) .cse2 v_ArrVal_696) |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base| v_ArrVal_705) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 8))) (not (= v_ArrVal_700 (let ((.cse7 (+ |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.offset| 4))) (store (select (store .cse6 .cse2 .cse3) |c_ULTIMATE.start_dll_circular_prepend_~new_head~1#1.base|) .cse7 (select v_ArrVal_700 .cse7))))))))))) is different from false [2023-11-22 23:39:26,103 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_700 (Array Int Int)) (v_ArrVal_697 Int) (v_ArrVal_710 (Array Int Int)) (v_ArrVal_699 (Array Int Int)) (v_ArrVal_704 (Array Int Int)) (v_ArrVal_705 (Array Int Int)) (v_ArrVal_707 (Array Int Int)) (v_ArrVal_703 Int) (v_ArrVal_696 (Array Int Int)) (v_ArrVal_695 (Array Int Int)) (v_ArrVal_698 (Array Int Int))) (let ((.cse6 (select |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base|)) (.cse7 (select |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base|))) (let ((.cse8 (+ (select .cse7 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset|) 4)) (.cse4 (store |c_#memory_int| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| v_ArrVal_695)) (.cse5 (select .cse6 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset|))) (let ((.cse0 (store (store .cse4 |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base| (store (select .cse4 |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|) |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.offset| v_ArrVal_697)) .cse5 v_ArrVal_707)) (.cse1 (select (select |c_#memory_$Pointer$.base| .cse5) .cse8))) (let ((.cse2 (store (select .cse0 .cse1) (select (select |c_#memory_$Pointer$.offset| .cse5) .cse8) v_ArrVal_703))) (or (not (= v_ArrVal_700 (let ((.cse3 (+ |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.offset| 4))) (store (select (store .cse0 .cse1 .cse2) |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|) .cse3 (select v_ArrVal_700 .cse3))))) (= |c_ULTIMATE.start_main_~data~0#1| (select (select (store (store (store .cse4 .cse5 v_ArrVal_707) .cse1 .cse2) |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base| v_ArrVal_700) (select (select (store (store (store (store |c_#memory_$Pointer$.base| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| (store .cse6 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base|)) .cse5 v_ArrVal_704) .cse1 v_ArrVal_710) |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base| v_ArrVal_698) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|)) (+ (select (select (store (store (store (store |c_#memory_$Pointer$.offset| |c_ULTIMATE.start_dll_circular_prepend_~head#1.base| (store .cse7 |c_ULTIMATE.start_dll_circular_prepend_~head#1.offset| |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.offset|)) .cse5 v_ArrVal_699) .cse1 v_ArrVal_696) |c_ULTIMATE.start_dll_circular_prepend_#t~ret9#1.base| v_ArrVal_705) |c_ULTIMATE.start_main_~#s~0#1.base|) |c_ULTIMATE.start_main_~#s~0#1.offset|) 8))))))))) is different from false [2023-11-22 23:39:26,300 INFO L349 Elim1Store]: treesize reduction 269, result has 51.1 percent of original size [2023-11-22 23:39:26,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 19522 treesize of output 19110 [2023-11-22 23:39:26,416 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 23:39:26,417 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 9909 treesize of output 9972 [2023-11-22 23:39:26,610 INFO L349 Elim1Store]: treesize reduction 1265, result has 19.5 percent of original size [2023-11-22 23:39:26,610 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 18686 treesize of output 17643 [2023-11-22 23:39:26,859 INFO L349 Elim1Store]: treesize reduction 725, result has 22.2 percent of original size [2023-11-22 23:39:26,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 14900 treesize of output 13950 [2023-11-22 23:39:27,265 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 61 treesize of output 3 [2023-11-22 23:39:28,110 INFO L349 Elim1Store]: treesize reduction 478, result has 30.6 percent of original size [2023-11-22 23:39:28,111 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 200 treesize of output 284 [2023-11-22 23:39:28,255 INFO L349 Elim1Store]: treesize reduction 478, result has 30.6 percent of original size [2023-11-22 23:39:28,255 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 200 treesize of output 284 [2023-11-22 23:39:28,492 INFO L349 Elim1Store]: treesize reduction 478, result has 30.6 percent of original size [2023-11-22 23:39:28,493 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 200 treesize of output 284 [2023-11-22 23:39:28,815 INFO L349 Elim1Store]: treesize reduction 478, result has 30.6 percent of original size [2023-11-22 23:39:28,816 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 200 treesize of output 284 [2023-11-22 23:39:29,054 INFO L349 Elim1Store]: treesize reduction 478, result has 30.6 percent of original size [2023-11-22 23:39:29,055 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 200 treesize of output 284 [2023-11-22 23:39:29,251 INFO L349 Elim1Store]: treesize reduction 478, result has 30.6 percent of original size [2023-11-22 23:39:29,251 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 200 treesize of output 284 [2023-11-22 23:39:29,564 INFO L349 Elim1Store]: treesize reduction 149, result has 30.4 percent of original size [2023-11-22 23:39:29,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 177 treesize of output 141 [2023-11-22 23:39:29,813 INFO L349 Elim1Store]: treesize reduction 149, result has 30.4 percent of original size [2023-11-22 23:39:29,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 177 treesize of output 141 [2023-11-22 23:39:30,122 INFO L349 Elim1Store]: treesize reduction 149, result has 30.4 percent of original size [2023-11-22 23:39:30,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 177 treesize of output 141 [2023-11-22 23:39:38,792 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 1570 treesize of output 1396 [2023-11-22 23:39:39,270 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 232 treesize of output 174 [2023-11-22 23:39:39,408 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 2121 treesize of output 1947 [2023-11-22 23:39:39,827 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 1036 treesize of output 920 [2023-11-22 23:39:39,992 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 232 treesize of output 174 [2023-11-22 23:39:40,145 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 798 treesize of output 682 [2023-11-22 23:39:40,690 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 232 treesize of output 174 [2023-11-22 23:39:40,798 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 232 treesize of output 174 [2023-11-22 23:39:41,016 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 232 treesize of output 174 [2023-11-22 23:39:41,150 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 232 treesize of output 174 [2023-11-22 23:39:41,280 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 232 treesize of output 174 [2023-11-22 23:39:41,420 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 232 treesize of output 174 [2023-11-22 23:39:41,551 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 232 treesize of output 174 [2023-11-22 23:39:41,661 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 232 treesize of output 174 [2023-11-22 23:39:45,775 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 23:39:45,776 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 345 treesize of output 384 [2023-11-22 23:39:45,969 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 23:39:45,969 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 219 treesize of output 221 [2023-11-22 23:39:46,043 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:46,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 23:39:46,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 248 treesize of output 312 [2023-11-22 23:39:46,151 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 23:39:46,152 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 219 treesize of output 221 [2023-11-22 23:39:46,240 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-22 23:39:46,257 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 23:39:46,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 248 treesize of output 312 [2023-11-22 23:39:46,342 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-22 23:39:46,342 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 278 treesize of output 375 [2023-11-22 23:43:09,274 WARN L293 SmtUtils]: Spent 3.17m on a formula simplification. DAG size of input: 123 DAG size of output: 87 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-22 23:43:09,275 INFO L349 Elim1Store]: treesize reduction 1927, result has 17.7 percent of original size [2023-11-22 23:43:09,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 126664 treesize of output 122433 Killed by 15