./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2274e339d27706db1309e66a8dc56713dc7b235e9296f50d0c5bcd9c8dae4a5d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 06:38:28,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 06:38:28,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-13 06:38:28,222 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 06:38:28,223 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 06:38:28,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 06:38:28,259 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 06:38:28,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 06:38:28,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 06:38:28,262 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 06:38:28,263 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 06:38:28,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 06:38:28,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 06:38:28,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 06:38:28,265 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 06:38:28,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 06:38:28,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 06:38:28,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 06:38:28,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 06:38:28,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 06:38:28,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 06:38:28,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 06:38:28,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 06:38:28,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 06:38:28,271 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 06:38:28,271 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 06:38:28,271 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 06:38:28,272 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 06:38:28,272 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 06:38:28,272 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 06:38:28,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 06:38:28,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 06:38:28,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 06:38:28,274 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 06:38:28,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 06:38:28,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 06:38:28,274 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 06:38:28,275 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 06:38:28,275 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 06:38:28,276 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 06:38:28,276 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 06:38:28,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 06:38:28,281 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2274e339d27706db1309e66a8dc56713dc7b235e9296f50d0c5bcd9c8dae4a5d [2024-10-13 06:38:28,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 06:38:28,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 06:38:28,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 06:38:28,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 06:38:28,574 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 06:38:28,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i [2024-10-13 06:38:30,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 06:38:30,480 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 06:38:30,481 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i [2024-10-13 06:38:30,490 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800eacbdd/015509454512469e91e05eefe760d343/FLAG53c1b99d5 [2024-10-13 06:38:30,508 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800eacbdd/015509454512469e91e05eefe760d343 [2024-10-13 06:38:30,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 06:38:30,513 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 06:38:30,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 06:38:30,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 06:38:30,520 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 06:38:30,522 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:30,523 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c16476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30, skipping insertion in model container [2024-10-13 06:38:30,523 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:30,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 06:38:30,789 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/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i[917,930] [2024-10-13 06:38:30,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 06:38:30,891 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 06:38:30,906 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/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-40.i[917,930] [2024-10-13 06:38:30,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 06:38:30,992 INFO L204 MainTranslator]: Completed translation [2024-10-13 06:38:30,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30 WrapperNode [2024-10-13 06:38:30,993 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 06:38:30,994 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 06:38:30,995 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 06:38:30,995 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 06:38:31,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,021 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,074 INFO L138 Inliner]: procedures = 29, calls = 151, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 479 [2024-10-13 06:38:31,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 06:38:31,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 06:38:31,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 06:38:31,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 06:38:31,103 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,112 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,149 INFO L175 MemorySlicer]: Split 120 memory accesses to 2 slices as follows [2, 118]. 98 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 16]. The 17 writes are split as follows [0, 17]. [2024-10-13 06:38:31,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,181 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,196 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,204 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,216 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 06:38:31,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 06:38:31,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 06:38:31,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 06:38:31,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (1/1) ... [2024-10-13 06:38:31,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 06:38:31,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:38:31,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 06:38:31,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 06:38:31,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 06:38:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-10-13 06:38:31,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-10-13 06:38:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 06:38:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 06:38:31,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-10-13 06:38:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-10-13 06:38:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 06:38:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 06:38:31,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-10-13 06:38:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-10-13 06:38:31,357 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 06:38:31,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 06:38:31,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 06:38:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 06:38:31,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 06:38:31,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 06:38:31,517 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 06:38:31,520 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 06:38:32,133 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-10-13 06:38:32,133 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 06:38:32,182 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 06:38:32,183 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 06:38:32,184 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:38:32 BoogieIcfgContainer [2024-10-13 06:38:32,184 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 06:38:32,187 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 06:38:32,188 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 06:38:32,192 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 06:38:32,193 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:38:30" (1/3) ... [2024-10-13 06:38:32,193 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429aa0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:38:32, skipping insertion in model container [2024-10-13 06:38:32,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:38:30" (2/3) ... [2024-10-13 06:38:32,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429aa0f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:38:32, skipping insertion in model container [2024-10-13 06:38:32,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:38:32" (3/3) ... [2024-10-13 06:38:32,196 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-40.i [2024-10-13 06:38:32,216 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 06:38:32,216 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 06:38:32,296 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 06:38:32,303 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;@744fd515, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 06:38:32,303 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 06:38:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 06:38:32,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-13 06:38:32,321 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:38:32,322 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:38:32,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:38:32,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:38:32,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1535190352, now seen corresponding path program 1 times [2024-10-13 06:38:32,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:38:32,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877044105] [2024-10-13 06:38:32,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:38:32,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:38:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:38:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:38:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:38:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:38:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:38:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:38:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:38:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:38:32,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:38:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:38:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:38:32,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:38:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:38:32,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:38:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 06:38:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 06:38:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 06:38:32,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 06:38:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 06:38:32,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-13 06:38:32,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:38:32,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877044105] [2024-10-13 06:38:32,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877044105] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:38:32,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:38:32,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 06:38:32,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645760014] [2024-10-13 06:38:32,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:38:32,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-13 06:38:32,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:38:32,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-13 06:38:32,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 06:38:32,871 INFO L87 Difference]: Start difference. First operand has 106 states, 84 states have (on average 1.4523809523809523) internal successors, (122), 85 states have internal predecessors, (122), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 06:38:32,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:38:32,950 INFO L93 Difference]: Finished difference Result 209 states and 337 transitions. [2024-10-13 06:38:32,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-13 06:38:32,953 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 145 [2024-10-13 06:38:32,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:38:32,963 INFO L225 Difference]: With dead ends: 209 [2024-10-13 06:38:32,963 INFO L226 Difference]: Without dead ends: 104 [2024-10-13 06:38:33,001 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-13 06:38:33,012 INFO L432 NwaCegarLoop]: 151 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, 151 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 [2024-10-13 06:38:33,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:38:33,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-13 06:38:33,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-13 06:38:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.4096385542168675) internal successors, (117), 83 states have internal predecessors, (117), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 06:38:33,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 155 transitions. [2024-10-13 06:38:33,133 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 155 transitions. Word has length 145 [2024-10-13 06:38:33,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:38:33,134 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 155 transitions. [2024-10-13 06:38:33,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2024-10-13 06:38:33,136 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2024-10-13 06:38:33,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-10-13 06:38:33,142 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:38:33,142 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:38:33,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 06:38:33,143 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:38:33,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:38:33,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1610267518, now seen corresponding path program 1 times [2024-10-13 06:38:33,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:38:33,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110975867] [2024-10-13 06:38:33,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:38:33,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:38:33,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:38:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:38:33,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:38:33,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:38:33,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:38:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:38:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:38:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:38:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:38:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:38:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:38:33,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:38:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:38:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:38:33,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 06:38:33,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 06:38:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 06:38:33,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 06:38:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 06:38:33,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:33,747 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-13 06:38:33,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:38:33,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110975867] [2024-10-13 06:38:33,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110975867] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:38:33,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:38:33,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:38:33,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796513676] [2024-10-13 06:38:33,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:38:33,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:38:33,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:38:33,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:38:33,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:38:33,754 INFO L87 Difference]: Start difference. First operand 104 states and 155 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-13 06:38:33,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:38:33,835 INFO L93 Difference]: Finished difference Result 209 states and 312 transitions. [2024-10-13 06:38:33,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:38:33,836 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 145 [2024-10-13 06:38:33,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:38:33,838 INFO L225 Difference]: With dead ends: 209 [2024-10-13 06:38:33,838 INFO L226 Difference]: Without dead ends: 106 [2024-10-13 06:38:33,842 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:38:33,843 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 06:38:33,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 440 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 06:38:33,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-13 06:38:33,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-10-13 06:38:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 85 states have (on average 1.4) internal successors, (119), 85 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 06:38:33,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 157 transitions. [2024-10-13 06:38:33,863 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 157 transitions. Word has length 145 [2024-10-13 06:38:33,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:38:33,865 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 157 transitions. [2024-10-13 06:38:33,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-13 06:38:33,868 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 157 transitions. [2024-10-13 06:38:33,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-13 06:38:33,872 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:38:33,872 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:38:33,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 06:38:33,872 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:38:33,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:38:33,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1235371411, now seen corresponding path program 1 times [2024-10-13 06:38:33,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:38:33,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356142970] [2024-10-13 06:38:33,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:38:33,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:38:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:38:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:38:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:38:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:38:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:38:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:38:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:38:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:38:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:38:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:38:34,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:38:34,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:38:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:38:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:38:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 06:38:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 06:38:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 06:38:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 06:38:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 06:38:34,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-13 06:38:34,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:38:34,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356142970] [2024-10-13 06:38:34,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356142970] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:38:34,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:38:34,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:38:34,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858255214] [2024-10-13 06:38:34,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:38:34,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:38:34,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:38:34,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:38:34,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:38:34,312 INFO L87 Difference]: Start difference. First operand 106 states and 157 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-13 06:38:34,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:38:34,380 INFO L93 Difference]: Finished difference Result 214 states and 317 transitions. [2024-10-13 06:38:34,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:38:34,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-13 06:38:34,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:38:34,386 INFO L225 Difference]: With dead ends: 214 [2024-10-13 06:38:34,386 INFO L226 Difference]: Without dead ends: 109 [2024-10-13 06:38:34,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:38:34,390 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 1 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:38:34,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 437 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:38:34,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-10-13 06:38:34,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 108. [2024-10-13 06:38:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 87 states have internal predecessors, (121), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 06:38:34,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 159 transitions. [2024-10-13 06:38:34,400 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 159 transitions. Word has length 148 [2024-10-13 06:38:34,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:38:34,400 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 159 transitions. [2024-10-13 06:38:34,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-13 06:38:34,401 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 159 transitions. [2024-10-13 06:38:34,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-13 06:38:34,403 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:38:34,403 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:38:34,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 06:38:34,404 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:38:34,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:38:34,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2044718037, now seen corresponding path program 1 times [2024-10-13 06:38:34,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:38:34,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868730114] [2024-10-13 06:38:34,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:38:34,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:38:34,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:38:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:38:34,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:38:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:38:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:38:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:38:34,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:38:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:38:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:38:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:38:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:38:34,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:38:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:38:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:38:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 06:38:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 06:38:34,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 06:38:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 06:38:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 06:38:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-10-13 06:38:34,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:38:34,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868730114] [2024-10-13 06:38:34,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868730114] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 06:38:34,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 06:38:34,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-13 06:38:34,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432515115] [2024-10-13 06:38:34,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 06:38:34,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 06:38:34,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 06:38:34,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 06:38:34,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:38:34,681 INFO L87 Difference]: Start difference. First operand 108 states and 159 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-13 06:38:34,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 06:38:34,739 INFO L93 Difference]: Finished difference Result 218 states and 321 transitions. [2024-10-13 06:38:34,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 06:38:34,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 148 [2024-10-13 06:38:34,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 06:38:34,745 INFO L225 Difference]: With dead ends: 218 [2024-10-13 06:38:34,745 INFO L226 Difference]: Without dead ends: 111 [2024-10-13 06:38:34,746 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 06:38:34,751 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 441 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 06:38:34,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 441 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 06:38:34,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-13 06:38:34,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2024-10-13 06:38:34,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 89 states have (on average 1.3820224719101124) internal successors, (123), 89 states have internal predecessors, (123), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-10-13 06:38:34,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2024-10-13 06:38:34,768 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 148 [2024-10-13 06:38:34,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 06:38:34,769 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2024-10-13 06:38:34,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2024-10-13 06:38:34,769 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2024-10-13 06:38:34,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-10-13 06:38:34,773 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 06:38:34,773 INFO L215 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 06:38:34,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 06:38:34,774 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 06:38:34,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 06:38:34,774 INFO L85 PathProgramCache]: Analyzing trace with hash -2044658455, now seen corresponding path program 1 times [2024-10-13 06:38:34,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 06:38:34,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466248997] [2024-10-13 06:38:34,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:38:34,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 06:38:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:50,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 06:38:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:50,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-13 06:38:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:50,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-13 06:38:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:50,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-13 06:38:50,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:50,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 06:38:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-13 06:38:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-10-13 06:38:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 06:38:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 06:38:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-13 06:38:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-13 06:38:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-13 06:38:51,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-10-13 06:38:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-10-13 06:38:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 06:38:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-13 06:38:51,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 06:38:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-13 06:38:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-13 06:38:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 27 proven. 27 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2024-10-13 06:38:51,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 06:38:51,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466248997] [2024-10-13 06:38:51,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466248997] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 06:38:51,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621313721] [2024-10-13 06:38:51,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 06:38:51,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 06:38:51,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 06:38:51,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 06:38:51,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 06:38:51,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 06:38:51,831 INFO L255 TraceCheckSpWp]: Trace formula consists of 541 conjuncts, 86 conjuncts are in the unsatisfiable core [2024-10-13 06:38:51,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 06:38:52,154 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 [2024-10-13 06:38:53,067 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 [2024-10-13 06:38:53,876 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 [2024-10-13 06:38:54,941 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 [2024-10-13 06:38:56,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-13 06:38:56,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-13 06:38:57,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-13 06:38:57,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-13 06:38:58,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 24 [2024-10-13 06:38:58,833 INFO L349 Elim1Store]: treesize reduction 88, result has 17.0 percent of original size [2024-10-13 06:38:58,834 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 174 treesize of output 176 [2024-10-13 06:38:58,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:58,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:58,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:58,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:58,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:58,954 INFO L349 Elim1Store]: treesize reduction 46, result has 39.5 percent of original size [2024-10-13 06:38:58,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 160 [2024-10-13 06:38:59,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:59,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:59,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:59,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:59,135 INFO L349 Elim1Store]: treesize reduction 173, result has 20.3 percent of original size [2024-10-13 06:38:59,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 61 treesize of output 172 [2024-10-13 06:38:59,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:59,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:59,812 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-10-13 06:38:59,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 219 treesize of output 191 [2024-10-13 06:38:59,891 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 59 [2024-10-13 06:38:59,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:59,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:59,902 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 59 treesize of output 33 [2024-10-13 06:38:59,982 INFO L349 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2024-10-13 06:38:59,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 95 treesize of output 96 [2024-10-13 06:38:59,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:38:59,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,016 INFO L349 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2024-10-13 06:39:00,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 case distinctions, treesize of input 106 treesize of output 93 [2024-10-13 06:39:00,043 INFO L349 Elim1Store]: treesize reduction 33, result has 8.3 percent of original size [2024-10-13 06:39:00,044 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 66 [2024-10-13 06:39:00,072 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 9 treesize of output 7 [2024-10-13 06:39:00,104 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-13 06:39:00,104 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 19 treesize of output 15 [2024-10-13 06:39:00,123 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 153 treesize of output 133 [2024-10-13 06:39:00,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 125 treesize of output 97 [2024-10-13 06:39:00,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,217 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-10-13 06:39:00,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 106 treesize of output 80 [2024-10-13 06:39:00,653 INFO L349 Elim1Store]: treesize reduction 58, result has 23.7 percent of original size [2024-10-13 06:39:00,653 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 4 new quantified variables, introduced 3 case distinctions, treesize of input 89 treesize of output 102 [2024-10-13 06:39:00,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,712 INFO L349 Elim1Store]: treesize reduction 30, result has 38.8 percent of original size [2024-10-13 06:39:00,713 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 93 [2024-10-13 06:39:00,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:00,844 INFO L349 Elim1Store]: treesize reduction 127, result has 12.4 percent of original size [2024-10-13 06:39:00,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 90 [2024-10-13 06:39:01,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 46 [2024-10-13 06:39:01,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,034 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-10-13 06:39:01,034 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-10-13 06:39:01,090 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52 [2024-10-13 06:39:01,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,103 INFO L349 Elim1Store]: treesize reduction 15, result has 6.3 percent of original size [2024-10-13 06:39:01,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 52 treesize of output 30 [2024-10-13 06:39:01,285 INFO L349 Elim1Store]: treesize reduction 129, result has 12.2 percent of original size [2024-10-13 06:39:01,285 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 460 treesize of output 301 [2024-10-13 06:39:01,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,372 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 06:39:01,403 INFO L349 Elim1Store]: treesize reduction 46, result has 39.5 percent of original size [2024-10-13 06:39:01,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 82 treesize of output 214 [2024-10-13 06:39:01,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:01,689 INFO L349 Elim1Store]: treesize reduction 252, result has 13.7 percent of original size [2024-10-13 06:39:01,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 8 case distinctions, treesize of input 82 treesize of output 233 [2024-10-13 06:39:02,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 54 [2024-10-13 06:39:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,612 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2024-10-13 06:39:02,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 113 treesize of output 91 [2024-10-13 06:39:02,641 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 0 case distinctions, treesize of input 87 treesize of output 72 [2024-10-13 06:39:02,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,658 INFO L173 IndexEqualityManager]: detected equality via solver [2024-10-13 06:39:02,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 56 treesize of output 29 [2024-10-13 06:39:02,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 58 [2024-10-13 06:39:02,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:02,717 INFO L349 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2024-10-13 06:39:02,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 9 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 61 [2024-10-13 06:39:02,823 INFO L349 Elim1Store]: treesize reduction 60, result has 46.4 percent of original size [2024-10-13 06:39:02,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 336 treesize of output 313 [2024-10-13 06:39:04,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:04,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:04,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:04,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:04,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:04,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:04,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:04,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:04,797 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-13 06:39:04,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 75 [2024-10-13 06:39:05,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,378 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-13 06:39:05,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 64 treesize of output 68 [2024-10-13 06:39:05,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,534 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-13 06:39:05,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 75 [2024-10-13 06:39:05,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,751 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-13 06:39:05,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 75 [2024-10-13 06:39:05,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-10-13 06:39:05,885 INFO L349 Elim1Store]: treesize reduction 120, result has 13.0 percent of original size [2024-10-13 06:39:05,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 9 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 75