./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-3.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 3ab0e6b3adccdafccbf4f7749fddf566a909e7e6b26ed4ad49012db1c4c97a10 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 01:37:05,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 01:37:05,502 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 01:37:05,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 01:37:05,508 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 01:37:05,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 01:37:05,531 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 01:37:05,531 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 01:37:05,532 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 01:37:05,533 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 01:37:05,533 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 01:37:05,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 01:37:05,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 01:37:05,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 01:37:05,535 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 01:37:05,536 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 01:37:05,536 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 01:37:05,536 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 01:37:05,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 01:37:05,537 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 01:37:05,540 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 01:37:05,540 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 01:37:05,540 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 01:37:05,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 01:37:05,541 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 01:37:05,541 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 01:37:05,541 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 01:37:05,541 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 01:37:05,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 01:37:05,542 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 01:37:05,542 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 01:37:05,542 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 01:37:05,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 01:37:05,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 01:37:05,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 01:37:05,543 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 01:37:05,543 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 01:37:05,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 01:37:05,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 01:37:05,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 01:37:05,543 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 01:37:05,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 01:37:05,544 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ab0e6b3adccdafccbf4f7749fddf566a909e7e6b26ed4ad49012db1c4c97a10 [2024-10-11 01:37:05,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 01:37:05,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 01:37:05,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 01:37:05,860 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 01:37:05,861 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 01:37:05,862 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-3.i [2024-10-11 01:37:07,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 01:37:07,334 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 01:37:07,334 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-3.i [2024-10-11 01:37:07,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2e4ead422/571b3025d4614f328e8058bdbf624729/FLAGa822fa7f6 [2024-10-11 01:37:07,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/2e4ead422/571b3025d4614f328e8058bdbf624729 [2024-10-11 01:37:07,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 01:37:07,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 01:37:07,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 01:37:07,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 01:37:07,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 01:37:07,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:37:07" (1/1) ... [2024-10-11 01:37:07,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3495e58f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:07, skipping insertion in model container [2024-10-11 01:37:07,717 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 01:37:07" (1/1) ... [2024-10-11 01:37:07,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 01:37:07,993 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-3.i[22626,22639] [2024-10-11 01:37:08,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 01:37:08,023 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 01:37:08,048 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/heap-manipulation/tree-3.i[22626,22639] [2024-10-11 01:37:08,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 01:37:08,107 INFO L204 MainTranslator]: Completed translation [2024-10-11 01:37:08,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08 WrapperNode [2024-10-11 01:37:08,107 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 01:37:08,108 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 01:37:08,109 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 01:37:08,109 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 01:37:08,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,128 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,149 INFO L138 Inliner]: procedures = 122, calls = 44, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 148 [2024-10-11 01:37:08,150 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 01:37:08,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 01:37:08,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 01:37:08,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 01:37:08,157 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,160 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,185 INFO L175 MemorySlicer]: Split 29 memory accesses to 2 slices as follows [2, 27]. 93 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 10 writes are split as follows [0, 10]. [2024-10-11 01:37:08,186 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,186 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,201 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,203 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,206 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 01:37:08,207 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 01:37:08,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 01:37:08,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 01:37:08,208 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (1/1) ... [2024-10-11 01:37:08,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 01:37:08,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 01:37:08,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 01:37:08,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 01:37:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 01:37:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 01:37:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2024-10-11 01:37:08,274 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2024-10-11 01:37:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 01:37:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 01:37:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 01:37:08,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 01:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 01:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 01:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 01:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 01:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 01:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 01:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 01:37:08,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 01:37:08,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 01:37:08,359 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 01:37:08,361 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 01:37:08,552 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-10-11 01:37:08,552 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 01:37:08,570 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 01:37:08,570 INFO L314 CfgBuilder]: Removed 11 assume(true) statements. [2024-10-11 01:37:08,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:37:08 BoogieIcfgContainer [2024-10-11 01:37:08,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 01:37:08,572 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 01:37:08,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 01:37:08,574 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 01:37:08,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 01:37:07" (1/3) ... [2024-10-11 01:37:08,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e708a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:37:08, skipping insertion in model container [2024-10-11 01:37:08,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 01:37:08" (2/3) ... [2024-10-11 01:37:08,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e708a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 01:37:08, skipping insertion in model container [2024-10-11 01:37:08,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 01:37:08" (3/3) ... [2024-10-11 01:37:08,577 INFO L112 eAbstractionObserver]: Analyzing ICFG tree-3.i [2024-10-11 01:37:08,590 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 01:37:08,590 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 01:37:08,650 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 01:37:08,655 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5bc04f9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 01:37:08,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 01:37:08,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 41 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-11 01:37:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-11 01:37:08,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 01:37:08,664 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 01:37:08,664 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 01:37:08,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 01:37:08,671 INFO L85 PathProgramCache]: Analyzing trace with hash -649736538, now seen corresponding path program 1 times [2024-10-11 01:37:08,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 01:37:08,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130551145] [2024-10-11 01:37:08,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:08,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 01:37:08,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:08,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:08,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 01:37:08,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130551145] [2024-10-11 01:37:08,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130551145] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 01:37:08,796 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 01:37:08,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 01:37:08,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835837932] [2024-10-11 01:37:08,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 01:37:08,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 01:37:08,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 01:37:08,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 01:37:08,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 01:37:08,825 INFO L87 Difference]: Start difference. First operand has 43 states, 37 states have (on average 1.8108108108108107) internal successors, (67), 41 states have internal predecessors, (67), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:08,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 01:37:08,861 INFO L93 Difference]: Finished difference Result 84 states and 145 transitions. [2024-10-11 01:37:08,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 01:37:08,868 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-10-11 01:37:08,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 01:37:08,876 INFO L225 Difference]: With dead ends: 84 [2024-10-11 01:37:08,876 INFO L226 Difference]: Without dead ends: 31 [2024-10-11 01:37:08,881 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 01:37:08,887 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 01:37:08,888 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 01:37:08,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2024-10-11 01:37:08,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2024-10-11 01:37:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 29 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:08,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2024-10-11 01:37:08,964 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 39 transitions. Word has length 9 [2024-10-11 01:37:08,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 01:37:08,968 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-10-11 01:37:08,968 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:08,969 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-10-11 01:37:08,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 01:37:08,969 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 01:37:08,970 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 01:37:08,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 01:37:08,971 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 01:37:08,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 01:37:08,975 INFO L85 PathProgramCache]: Analyzing trace with hash -2088849895, now seen corresponding path program 1 times [2024-10-11 01:37:08,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 01:37:08,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991145727] [2024-10-11 01:37:08,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:08,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 01:37:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:09,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 01:37:09,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991145727] [2024-10-11 01:37:09,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991145727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 01:37:09,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 01:37:09,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 01:37:09,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712514044] [2024-10-11 01:37:09,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 01:37:09,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 01:37:09,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 01:37:09,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 01:37:09,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 01:37:09,077 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 01:37:09,121 INFO L93 Difference]: Finished difference Result 56 states and 71 transitions. [2024-10-11 01:37:09,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 01:37:09,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-11 01:37:09,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 01:37:09,123 INFO L225 Difference]: With dead ends: 56 [2024-10-11 01:37:09,123 INFO L226 Difference]: Without dead ends: 35 [2024-10-11 01:37:09,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 01:37:09,125 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 01:37:09,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 61 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 01:37:09,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-10-11 01:37:09,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-10-11 01:37:09,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 33 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 44 transitions. [2024-10-11 01:37:09,129 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 44 transitions. Word has length 10 [2024-10-11 01:37:09,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 01:37:09,130 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 44 transitions. [2024-10-11 01:37:09,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2024-10-11 01:37:09,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 01:37:09,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 01:37:09,130 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 01:37:09,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 01:37:09,131 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 01:37:09,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 01:37:09,131 INFO L85 PathProgramCache]: Analyzing trace with hash -313842533, now seen corresponding path program 1 times [2024-10-11 01:37:09,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 01:37:09,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182703123] [2024-10-11 01:37:09,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:09,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 01:37:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:09,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 01:37:09,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182703123] [2024-10-11 01:37:09,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1182703123] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 01:37:09,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 01:37:09,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 01:37:09,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550566769] [2024-10-11 01:37:09,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 01:37:09,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 01:37:09,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 01:37:09,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 01:37:09,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 01:37:09,229 INFO L87 Difference]: Start difference. First operand 35 states and 44 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 01:37:09,257 INFO L93 Difference]: Finished difference Result 72 states and 90 transitions. [2024-10-11 01:37:09,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 01:37:09,258 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-10-11 01:37:09,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 01:37:09,261 INFO L225 Difference]: With dead ends: 72 [2024-10-11 01:37:09,261 INFO L226 Difference]: Without dead ends: 37 [2024-10-11 01:37:09,261 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 01:37:09,263 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 01:37:09,263 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 102 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 01:37:09,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-10-11 01:37:09,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-10-11 01:37:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 35 states have internal predecessors, (42), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2024-10-11 01:37:09,270 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 10 [2024-10-11 01:37:09,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 01:37:09,270 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2024-10-11 01:37:09,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,270 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2024-10-11 01:37:09,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-11 01:37:09,271 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 01:37:09,271 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 01:37:09,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 01:37:09,271 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 01:37:09,271 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 01:37:09,271 INFO L85 PathProgramCache]: Analyzing trace with hash 258150092, now seen corresponding path program 1 times [2024-10-11 01:37:09,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 01:37:09,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653682130] [2024-10-11 01:37:09,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:09,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 01:37:09,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:09,320 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:09,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 01:37:09,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653682130] [2024-10-11 01:37:09,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653682130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 01:37:09,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 01:37:09,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 01:37:09,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346607799] [2024-10-11 01:37:09,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 01:37:09,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 01:37:09,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 01:37:09,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 01:37:09,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 01:37:09,322 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 01:37:09,367 INFO L93 Difference]: Finished difference Result 58 states and 70 transitions. [2024-10-11 01:37:09,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 01:37:09,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-10-11 01:37:09,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 01:37:09,369 INFO L225 Difference]: With dead ends: 58 [2024-10-11 01:37:09,369 INFO L226 Difference]: Without dead ends: 39 [2024-10-11 01:37:09,369 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 01:37:09,370 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 4 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 01:37:09,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 51 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 01:37:09,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-10-11 01:37:09,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2024-10-11 01:37:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 35 states have internal predecessors, (41), 3 states have call successors, (3), 1 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2024-10-11 01:37:09,374 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 18 [2024-10-11 01:37:09,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 01:37:09,374 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2024-10-11 01:37:09,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,375 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2024-10-11 01:37:09,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-11 01:37:09,375 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 01:37:09,375 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 01:37:09,375 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 01:37:09,375 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 01:37:09,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 01:37:09,376 INFO L85 PathProgramCache]: Analyzing trace with hash -2145593121, now seen corresponding path program 1 times [2024-10-11 01:37:09,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 01:37:09,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932305373] [2024-10-11 01:37:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:09,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 01:37:09,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:09,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-11 01:37:09,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 01:37:09,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932305373] [2024-10-11 01:37:09,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932305373] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 01:37:09,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 01:37:09,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 01:37:09,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275500944] [2024-10-11 01:37:09,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 01:37:09,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 01:37:09,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 01:37:09,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 01:37:09,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 01:37:09,523 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 01:37:09,633 INFO L93 Difference]: Finished difference Result 80 states and 97 transitions. [2024-10-11 01:37:09,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 01:37:09,634 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-10-11 01:37:09,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 01:37:09,634 INFO L225 Difference]: With dead ends: 80 [2024-10-11 01:37:09,635 INFO L226 Difference]: Without dead ends: 49 [2024-10-11 01:37:09,635 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-11 01:37:09,637 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 51 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 01:37:09,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 86 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 01:37:09,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-10-11 01:37:09,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 36. [2024-10-11 01:37:09,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 34 states have internal predecessors, (39), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2024-10-11 01:37:09,647 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 21 [2024-10-11 01:37:09,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 01:37:09,647 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2024-10-11 01:37:09,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:09,647 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2024-10-11 01:37:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 01:37:09,648 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 01:37:09,648 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 01:37:09,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 01:37:09,648 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 01:37:09,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 01:37:09,649 INFO L85 PathProgramCache]: Analyzing trace with hash 160458488, now seen corresponding path program 1 times [2024-10-11 01:37:09,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 01:37:09,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764458738] [2024-10-11 01:37:09,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:09,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 01:37:09,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:10,726 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:10,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 01:37:10,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764458738] [2024-10-11 01:37:10,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764458738] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 01:37:10,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146449370] [2024-10-11 01:37:10,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:10,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 01:37:10,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 01:37:10,730 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 01:37:10,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 01:37:10,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:10,842 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-10-11 01:37:10,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 01:37:10,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 01:37:10,990 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 15 treesize of output 1 [2024-10-11 01:37:11,092 INFO L349 Elim1Store]: treesize reduction 211, result has 0.5 percent of original size [2024-10-11 01:37:11,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 4221 treesize of output 3302 [2024-10-11 01:37:11,125 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:11,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,178 INFO L349 Elim1Store]: treesize reduction 385, result has 0.3 percent of original size [2024-10-11 01:37:11,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 7068 treesize of output 5268 [2024-10-11 01:37:11,214 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:11,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,257 INFO L349 Elim1Store]: treesize reduction 385, result has 0.3 percent of original size [2024-10-11 01:37:11,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 6323 treesize of output 4747 [2024-10-11 01:37:11,367 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 1934 treesize of output 1584 [2024-10-11 01:37:11,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,449 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:11,482 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 1562 treesize of output 1302 [2024-10-11 01:37:11,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,509 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 57 treesize of output 42 [2024-10-11 01:37:11,512 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 36 treesize of output 13 [2024-10-11 01:37:11,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,526 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:11,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,558 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 1505 treesize of output 1253 [2024-10-11 01:37:11,592 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:11,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,626 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 57 treesize of output 42 [2024-10-11 01:37:11,630 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 36 treesize of output 13 [2024-10-11 01:37:11,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,654 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 1481 treesize of output 1231 [2024-10-11 01:37:11,688 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:11,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,698 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:11,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:11,706 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:11,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:12,335 INFO L349 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2024-10-11 01:37:12,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 3716 treesize of output 2855 [2024-10-11 01:37:12,360 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:12,503 INFO L349 Elim1Store]: treesize reduction 389, result has 30.0 percent of original size [2024-10-11 01:37:12,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 271 treesize of output 680 [2024-10-11 01:37:12,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:12,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:12,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:13,803 INFO L349 Elim1Store]: treesize reduction 1088, result has 23.5 percent of original size [2024-10-11 01:37:13,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 2892 treesize of output 3986 [2024-10-11 01:37:13,850 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:13,851 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:13,870 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:13,871 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:13,876 INFO L349 Elim1Store]: treesize reduction 81, result has 1.2 percent of original size [2024-10-11 01:37:13,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 649 treesize of output 395 [2024-10-11 01:37:13,926 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 278 treesize of output 270 [2024-10-11 01:37:14,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 130 [2024-10-11 01:37:14,289 INFO L349 Elim1Store]: treesize reduction 13, result has 53.6 percent of original size [2024-10-11 01:37:14,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 49 [2024-10-11 01:37:14,324 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:14,324 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 25 treesize of output 27 [2024-10-11 01:37:15,264 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 70 treesize of output 52 [2024-10-11 01:37:15,272 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-10-11 01:37:15,287 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:15,287 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:15,288 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:15,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 287 treesize of output 169 [2024-10-11 01:37:15,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:15,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:15,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:15,452 INFO L349 Elim1Store]: treesize reduction 644, result has 20.9 percent of original size [2024-10-11 01:37:15,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 14 case distinctions, treesize of input 3882 treesize of output 3921 [2024-10-11 01:37:15,952 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:15,956 INFO L349 Elim1Store]: treesize reduction 88, result has 1.1 percent of original size [2024-10-11 01:37:15,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 169 treesize of output 86 [2024-10-11 01:37:16,047 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 11 treesize of output 9 [2024-10-11 01:37:16,066 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 93 treesize of output 91 [2024-10-11 01:37:16,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:16,476 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 28 treesize of output 18 [2024-10-11 01:37:16,566 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 746 treesize of output 661 [2024-10-11 01:37:16,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 649 treesize of output 576 [2024-10-11 01:37:16,624 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 0 case distinctions, treesize of input 179 treesize of output 161 [2024-10-11 01:37:16,644 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 746 treesize of output 661 [2024-10-11 01:37:16,681 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 649 treesize of output 576 [2024-10-11 01:37:16,742 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size [2024-10-11 01:37:16,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 5808 treesize of output 4457 [2024-10-11 01:37:16,764 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:16,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:16,777 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:16,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:16,800 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size [2024-10-11 01:37:16,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 5289 treesize of output 4090 [2024-10-11 01:37:16,815 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-10-11 01:37:16,840 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size [2024-10-11 01:37:16,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 5421 treesize of output 4168 [2024-10-11 01:37:16,854 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-10-11 01:37:16,859 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:16,859 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:16,862 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-10-11 01:37:16,880 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size [2024-10-11 01:37:16,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 4902 treesize of output 3801 [2024-10-11 01:37:16,892 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-10-11 01:37:18,190 INFO L349 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2024-10-11 01:37:18,190 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 3502 treesize of output 2691 [2024-10-11 01:37:18,231 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:18,467 INFO L349 Elim1Store]: treesize reduction 389, result has 30.0 percent of original size [2024-10-11 01:37:18,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 271 treesize of output 680 [2024-10-11 01:37:18,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:18,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:18,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:19,520 INFO L349 Elim1Store]: treesize reduction 1094, result has 23.1 percent of original size [2024-10-11 01:37:19,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 2892 treesize of output 3980 [2024-10-11 01:37:19,607 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 2797 treesize of output 2469 [2024-10-11 01:37:19,618 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:19,618 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:19,619 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:19,622 WARN L214 Elim1Store]: Array PQE input equivalent to false [2024-10-11 01:37:19,658 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 554 treesize of output 546 [2024-10-11 01:37:19,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:19,857 INFO L349 Elim1Store]: treesize reduction 41, result has 43.1 percent of original size [2024-10-11 01:37:19,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 414 treesize of output 640 [2024-10-11 01:37:20,629 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:20,731 INFO L349 Elim1Store]: treesize reduction 91, result has 17.3 percent of original size [2024-10-11 01:37:20,732 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 5 case distinctions, treesize of input 89 treesize of output 49 [2024-10-11 01:37:20,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:20,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:20,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:20,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:20,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:20,914 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:20,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:20,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:20,922 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:20,924 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:20,925 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:20,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 438 treesize of output 321 [2024-10-11 01:37:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:20,958 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:20,962 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 3 new quantified variables, introduced 0 case distinctions, treesize of input 183 treesize of output 56 [2024-10-11 01:37:21,013 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:21,016 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:21,017 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:21,018 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:21,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 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 201 treesize of output 154 [2024-10-11 01:37:21,078 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 554 treesize of output 546 [2024-10-11 01:37:21,949 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:21,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:21,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:21,953 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:21,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:21,959 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:21,965 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:21,966 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 0 case distinctions, treesize of input 438 treesize of output 313 [2024-10-11 01:37:21,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:21,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 192 [2024-10-11 01:37:22,077 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:22,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:22,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:22,082 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 116 treesize of output 106 [2024-10-11 01:37:22,095 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 0 case distinctions, treesize of input 95 treesize of output 81 [2024-10-11 01:37:22,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 211 treesize of output 191 [2024-10-11 01:37:22,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:22,656 INFO L349 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2024-10-11 01:37:22,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 175 treesize of output 171 [2024-10-11 01:37:22,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:22,662 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 153 treesize of output 131 [2024-10-11 01:37:22,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 126 [2024-10-11 01:37:22,697 INFO L349 Elim1Store]: treesize reduction 72, result has 46.7 percent of original size [2024-10-11 01:37:22,698 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 103 treesize of output 190 [2024-10-11 01:37:22,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 62 [2024-10-11 01:37:22,711 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 289 treesize of output 245 [2024-10-11 01:37:22,785 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2024-10-11 01:37:22,792 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 21 treesize of output 13 [2024-10-11 01:37:22,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-10-11 01:37:22,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-10-11 01:37:22,844 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 11 treesize of output 7 [2024-10-11 01:37:22,863 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 11 treesize of output 7 [2024-10-11 01:37:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:22,881 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 01:37:23,017 INFO L349 Elim1Store]: treesize reduction 1079, result has 53.3 percent of original size [2024-10-11 01:37:23,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 8376 treesize of output 7874 [2024-10-11 01:37:23,027 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 1120 treesize of output 867 [2024-10-11 01:37:23,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:23,064 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 3109 treesize of output 3389 [2024-10-11 01:37:23,236 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 95 treesize of output 4 [2024-10-11 01:37:23,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:23,356 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 621 treesize of output 621 [2024-10-11 01:37:23,407 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 256 treesize of output 3 [2024-10-11 01:37:23,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:23,488 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 3868 treesize of output 3524 [2024-10-11 01:37:23,745 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 (select (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|))) (let ((.cse2 (store |c_#memory_$Pointer$#1.base| .cse8 (store (select |c_#memory_$Pointer$#1.base| .cse8) (select (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|) 0)))) (let ((.cse3 (select (select .cse2 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|))) (and (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (let ((.cse1 (store .cse2 .cse3 v_ArrVal_209))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|))) (= .cse0 (select (select (store .cse1 .cse0 v_ArrVal_213) |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|))))) (forall ((v_ArrVal_215 (Array Int Int)) (v_ArrVal_217 (Array Int Int)) (v_ArrVal_209 (Array Int Int)) (v_ArrVal_211 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (let ((.cse4 (let ((.cse7 (store |c_#memory_$Pointer$#1.offset| .cse8 v_ArrVal_215))) (store .cse7 .cse3 (store (select .cse7 .cse3) (+ (select (select .cse7 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|) 4) 0))))) (= (select (select .cse4 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|) (select (select (let ((.cse6 (store .cse2 .cse3 v_ArrVal_209))) (let ((.cse5 (select (select .cse6 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|))) (store (store .cse4 .cse5 v_ArrVal_211) (select (select (store .cse6 .cse5 v_ArrVal_213) |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|) v_ArrVal_217))) |c_ULTIMATE.start_create_tree_~nodelast~0#1.base|) |c_ULTIMATE.start_create_tree_~nodelast~0#1.offset|)))) (forall ((v_ArrVal_215 (Array Int Int)) (v_ArrVal_217 (Array Int Int)) (v_ArrVal_209 (Array Int Int)) (v_ArrVal_211 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (not (let ((.cse10 (store .cse2 .cse3 v_ArrVal_209))) (let ((.cse11 (select (select .cse10 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|))) (let ((.cse9 (store (let ((.cse12 (store |c_#memory_$Pointer$#1.offset| .cse8 v_ArrVal_215))) (store .cse12 .cse3 (store (select .cse12 .cse3) (+ (select (select .cse12 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|) 4) 0))) .cse11 v_ArrVal_211))) (= (+ (select (select (store .cse9 (select (select (store .cse10 .cse11 v_ArrVal_213) |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|) v_ArrVal_217) |c_ULTIMATE.start_create_tree_~nodelast~0#1.base|) |c_ULTIMATE.start_create_tree_~nodelast~0#1.offset|) 4) (select (select .cse9 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|))))))) (forall ((v_ArrVal_209 (Array Int Int)) (v_ArrVal_210 (Array Int Int)) (v_ArrVal_213 (Array Int Int))) (let ((.cse14 (let ((.cse15 (store .cse2 .cse3 v_ArrVal_209))) (store .cse15 (select (select .cse15 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|) v_ArrVal_213)))) (let ((.cse13 (select (select .cse14 |c_ULTIMATE.start_create_tree_~node~0#1.base|) |c_ULTIMATE.start_create_tree_~node~0#1.offset|))) (= .cse13 (select (select (store .cse14 .cse13 v_ArrVal_210) |c_ULTIMATE.start_create_tree_~nodelast~0#1.base|) |c_ULTIMATE.start_create_tree_~nodelast~0#1.offset|))))))))) is different from false [2024-10-11 01:37:23,820 INFO L349 Elim1Store]: treesize reduction 25, result has 50.0 percent of original size [2024-10-11 01:37:23,820 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 168 treesize of output 110 [2024-10-11 01:37:23,851 INFO L349 Elim1Store]: treesize reduction 24, result has 27.3 percent of original size [2024-10-11 01:37:23,851 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 1722 treesize of output 1678 [2024-10-11 01:37:23,924 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:23,924 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 288 treesize of output 278 [2024-10-11 01:37:23,937 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:23,938 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 270 treesize of output 256 [2024-10-11 01:37:24,139 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 70 treesize of output 66 [2024-10-11 01:37:24,184 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 15 treesize of output 11 [2024-10-11 01:37:24,194 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:24,194 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 13 treesize of output 17 [2024-10-11 01:37:24,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:24,205 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 403 treesize of output 364 [2024-10-11 01:37:24,345 INFO L349 Elim1Store]: treesize reduction 36, result has 55.6 percent of original size [2024-10-11 01:37:24,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 2416970 treesize of output 2269812 [2024-10-11 01:37:24,605 INFO L349 Elim1Store]: treesize reduction 12, result has 71.4 percent of original size [2024-10-11 01:37:24,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 7135 treesize of output 5002 [2024-10-11 01:37:24,708 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:24,709 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 685 treesize of output 653 [2024-10-11 01:37:24,732 INFO L349 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2024-10-11 01:37:24,733 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 3 case distinctions, treesize of input 1156 treesize of output 992 [2024-10-11 01:37:24,761 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 444 treesize of output 392 [2024-10-11 01:37:24,767 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-11 01:37:24,774 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:24,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 380 treesize of output 324 [2024-10-11 01:37:24,792 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 266 treesize of output 258 [2024-10-11 01:37:24,799 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 284 treesize of output 266 [2024-10-11 01:37:24,808 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 242 treesize of output 234 [2024-10-11 01:37:24,980 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 23 treesize of output 19 [2024-10-11 01:37:24,987 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-11 01:37:24,987 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 468 treesize of output 1 [2024-10-11 01:37:24,993 INFO L349 Elim1Store]: treesize reduction 41, result has 2.4 percent of original size [2024-10-11 01:37:24,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 316 treesize of output 1 [2024-10-11 01:37:25,022 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:25,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146449370] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 01:37:25,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 01:37:25,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-10-11 01:37:25,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143651775] [2024-10-11 01:37:25,023 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 01:37:25,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-10-11 01:37:25,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 01:37:25,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-10-11 01:37:25,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=264, Unknown=1, NotChecked=32, Total=342 [2024-10-11 01:37:25,024 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:25,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 01:37:25,657 INFO L93 Difference]: Finished difference Result 67 states and 78 transitions. [2024-10-11 01:37:25,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 01:37:25,658 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-10-11 01:37:25,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 01:37:25,659 INFO L225 Difference]: With dead ends: 67 [2024-10-11 01:37:25,659 INFO L226 Difference]: Without dead ends: 64 [2024-10-11 01:37:25,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=96, Invalid=507, Unknown=1, NotChecked=46, Total=650 [2024-10-11 01:37:25,659 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 73 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 55 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 01:37:25,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 344 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 330 Invalid, 0 Unknown, 55 Unchecked, 0.4s Time] [2024-10-11 01:37:25,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-11 01:37:25,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 47. [2024-10-11 01:37:25,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 44 states have (on average 1.1818181818181819) internal successors, (52), 45 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:25,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2024-10-11 01:37:25,668 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 26 [2024-10-11 01:37:25,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 01:37:25,669 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2024-10-11 01:37:25,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.0) internal successors, (57), 19 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:25,669 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2024-10-11 01:37:25,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-10-11 01:37:25,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 01:37:25,670 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 01:37:25,683 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 01:37:25,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 01:37:25,874 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 01:37:25,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 01:37:25,875 INFO L85 PathProgramCache]: Analyzing trace with hash 179544010, now seen corresponding path program 1 times [2024-10-11 01:37:25,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 01:37:25,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856224684] [2024-10-11 01:37:25,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:25,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 01:37:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:26,161 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:26,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 01:37:26,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856224684] [2024-10-11 01:37:26,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856224684] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 01:37:26,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320050155] [2024-10-11 01:37:26,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:26,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 01:37:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 01:37:26,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 01:37:26,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 01:37:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:26,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-10-11 01:37:26,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 01:37:26,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-11 01:37:26,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-10-11 01:37:26,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-10-11 01:37:26,344 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2024-10-11 01:37:26,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2024-10-11 01:37:26,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-11 01:37:26,394 INFO L349 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2024-10-11 01:37:26,394 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 799 treesize of output 535 [2024-10-11 01:37:26,410 INFO L349 Elim1Store]: treesize reduction 293, result has 0.3 percent of original size [2024-10-11 01:37:26,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 9 new quantified variables, introduced 11 case distinctions, treesize of input 1147 treesize of output 955 [2024-10-11 01:37:26,424 INFO L349 Elim1Store]: treesize reduction 385, result has 0.3 percent of original size [2024-10-11 01:37:26,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 12 case distinctions, treesize of input 1405 treesize of output 1166 [2024-10-11 01:37:26,434 INFO L349 Elim1Store]: treesize reduction 211, result has 0.5 percent of original size [2024-10-11 01:37:26,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 920 treesize of output 729 [2024-10-11 01:37:26,443 INFO L349 Elim1Store]: treesize reduction 53, result has 1.9 percent of original size [2024-10-11 01:37:26,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 696 treesize of output 1 [2024-10-11 01:37:26,453 INFO L349 Elim1Store]: treesize reduction 213, result has 0.5 percent of original size [2024-10-11 01:37:26,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 815 treesize of output 643 [2024-10-11 01:37:26,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 12 [2024-10-11 01:37:26,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:26,526 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 01:37:26,595 INFO L349 Elim1Store]: treesize reduction 15, result has 70.0 percent of original size [2024-10-11 01:37:26,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 228 treesize of output 149 [2024-10-11 01:37:26,644 INFO L349 Elim1Store]: treesize reduction 56, result has 48.1 percent of original size [2024-10-11 01:37:26,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 5348 treesize of output 5005 [2024-10-11 01:37:26,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:26,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2719 treesize of output 2565 [2024-10-11 01:37:26,822 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:26,822 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 1904 treesize of output 1831 [2024-10-11 01:37:26,847 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 1806 treesize of output 1764 [2024-10-11 01:37:26,886 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:26,887 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 1764 treesize of output 1605 [2024-10-11 01:37:27,389 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:27,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 32 [2024-10-11 01:37:27,416 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 6 treesize of output 4 [2024-10-11 01:37:27,420 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 6 treesize of output 4 [2024-10-11 01:37:27,425 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 6 treesize of output 4 [2024-10-11 01:37:27,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:27,471 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 169 treesize of output 179 [2024-10-11 01:37:27,568 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:37:27,568 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 45 treesize of output 59 [2024-10-11 01:37:27,827 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:27,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320050155] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 01:37:27,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 01:37:27,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-10-11 01:37:27,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359067833] [2024-10-11 01:37:27,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 01:37:27,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 01:37:27,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 01:37:27,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 01:37:27,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=251, Unknown=1, NotChecked=0, Total=306 [2024-10-11 01:37:27,831 INFO L87 Difference]: Start difference. First operand 47 states and 54 transitions. Second operand has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 18 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:28,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 01:37:28,214 INFO L93 Difference]: Finished difference Result 79 states and 92 transitions. [2024-10-11 01:37:28,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 01:37:28,215 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 18 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-10-11 01:37:28,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 01:37:28,216 INFO L225 Difference]: With dead ends: 79 [2024-10-11 01:37:28,216 INFO L226 Difference]: Without dead ends: 66 [2024-10-11 01:37:28,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=338, Unknown=1, NotChecked=0, Total=420 [2024-10-11 01:37:28,217 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 41 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 01:37:28,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 234 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 01:37:28,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-10-11 01:37:28,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 47. [2024-10-11 01:37:28,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 44 states have (on average 1.1590909090909092) internal successors, (51), 45 states have internal predecessors, (51), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:28,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2024-10-11 01:37:28,223 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 26 [2024-10-11 01:37:28,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 01:37:28,225 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2024-10-11 01:37:28,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.1666666666666665) internal successors, (57), 18 states have internal predecessors, (57), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 01:37:28,225 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2024-10-11 01:37:28,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-10-11 01:37:28,226 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 01:37:28,226 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 01:37:28,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 01:37:28,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 01:37:28,427 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 01:37:28,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 01:37:28,428 INFO L85 PathProgramCache]: Analyzing trace with hash -63987243, now seen corresponding path program 1 times [2024-10-11 01:37:28,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 01:37:28,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242454574] [2024-10-11 01:37:28,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:28,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 01:37:28,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:28,947 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:28,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 01:37:28,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242454574] [2024-10-11 01:37:28,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242454574] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 01:37:28,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094871288] [2024-10-11 01:37:28,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 01:37:28,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 01:37:28,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 01:37:28,949 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 01:37:28,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 01:37:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 01:37:29,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-11 01:37:29,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 01:37:29,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-10-11 01:37:29,078 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 19 treesize of output 1 [2024-10-11 01:37:29,115 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 29 treesize of output 13 [2024-10-11 01:37:29,127 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2024-10-11 01:37:29,127 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 [2024-10-11 01:37:29,131 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 15 treesize of output 1 [2024-10-11 01:37:29,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:29,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2024-10-11 01:37:29,171 INFO L349 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2024-10-11 01:37:29,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 1149 treesize of output 754 [2024-10-11 01:37:29,177 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-10-11 01:37:29,177 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 40 treesize of output 19 [2024-10-11 01:37:29,179 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 18 treesize of output 13 [2024-10-11 01:37:29,299 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 19 treesize of output 7 [2024-10-11 01:37:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 01:37:29,320 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 01:37:29,394 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 1332 treesize of output 1152 [2024-10-11 01:37:29,400 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 576 treesize of output 574 [2024-10-11 01:37:29,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1150 treesize of output 1146 [2024-10-11 01:37:40,316 WARN L286 SmtUtils]: Spent 9.50s on a formula simplification. DAG size of input: 114 DAG size of output: 96 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-11 01:37:40,316 INFO L349 Elim1Store]: treesize reduction 90, result has 64.7 percent of original size [2024-10-11 01:37:40,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 7 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 2271 treesize of output 1770 [2024-10-11 01:37:42,347 INFO L349 Elim1Store]: treesize reduction 120, result has 7.7 percent of original size [2024-10-11 01:37:42,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 6 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 15 case distinctions, treesize of input 11753 treesize of output 11847 [2024-10-11 01:37:42,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:37:42,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-11 01:38:23,480 WARN L286 SmtUtils]: Spent 40.88s on a formula simplification. DAG size of input: 95 DAG size of output: 39 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-10-11 01:38:23,480 INFO L349 Elim1Store]: treesize reduction 196, result has 24.9 percent of original size [2024-10-11 01:38:23,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 9 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 8 new quantified variables, introduced 31 case distinctions, treesize of input 15458 treesize of output 15982 [2024-10-11 01:38:23,920 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 3563 treesize of output 3545 [2024-10-11 01:38:24,041 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 3545 treesize of output 3495 [2024-10-11 01:38:24,154 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 3495 treesize of output 3491 [2024-10-11 01:38:24,267 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 3491 treesize of output 3485 [2024-10-11 01:38:24,390 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 3485 treesize of output 3479 [2024-10-11 01:38:24,512 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 3479 treesize of output 3463 [2024-10-11 01:38:25,015 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 3583 treesize of output 3543 [2024-10-11 01:38:25,141 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 3543 treesize of output 3527 [2024-10-11 01:38:27,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 162 [2024-10-11 01:38:27,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 187 treesize of output 175 [2024-10-11 01:38:27,835 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-10-11 01:38:27,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 168 [2024-10-11 01:38:28,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 181 treesize of output 171 [2024-10-11 01:38:28,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2024-10-11 01:38:42,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-10-11 01:38:42,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 69