/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 04:35:28,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 04:35:28,166 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 04:35:28,169 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 04:35:28,170 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 04:35:28,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 04:35:28,182 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 04:35:28,182 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 04:35:28,183 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 04:35:28,183 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 04:35:28,183 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 04:35:28,183 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 04:35:28,184 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 04:35:28,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 04:35:28,184 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 04:35:28,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 04:35:28,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 04:35:28,185 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 04:35:28,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 04:35:28,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 04:35:28,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 04:35:28,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 04:35:28,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 04:35:28,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 04:35:28,186 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 04:35:28,187 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 04:35:28,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 04:35:28,187 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 04:35:28,187 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 04:35:28,187 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 04:35:28,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 04:35:28,188 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 04:35:28,188 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:35:28,188 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 04:35:28,188 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 04:35:28,189 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 04:35:28,189 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 04:35:28,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 04:35:28,189 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 04:35:28,189 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 04:35:28,190 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 04:35:28,190 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 04:35:28,190 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 04:35:28,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 04:35:28,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 04:35:28,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 04:35:28,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 04:35:28,346 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 04:35:28,346 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 04:35:28,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i [2023-12-16 04:35:29,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 04:35:29,741 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 04:35:29,742 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i [2023-12-16 04:35:29,752 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b849176/5b85406c18dc406188da83005c4df9fa/FLAGa898e8b2b [2023-12-16 04:35:29,766 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b849176/5b85406c18dc406188da83005c4df9fa [2023-12-16 04:35:29,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 04:35:29,771 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 04:35:29,772 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 04:35:29,772 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 04:35:29,776 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 04:35:29,776 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:35:29" (1/1) ... [2023-12-16 04:35:29,777 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e385380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:29, skipping insertion in model container [2023-12-16 04:35:29,777 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:35:29" (1/1) ... [2023-12-16 04:35:29,810 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 04:35:29,949 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i[917,930] [2023-12-16 04:35:29,990 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:35:30,001 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 04:35:30,019 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-97.i[917,930] [2023-12-16 04:35:30,053 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:35:30,085 INFO L206 MainTranslator]: Completed translation [2023-12-16 04:35:30,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30 WrapperNode [2023-12-16 04:35:30,086 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 04:35:30,087 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 04:35:30,087 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 04:35:30,087 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 04:35:30,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,105 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,143 INFO L138 Inliner]: procedures = 29, calls = 145, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 433 [2023-12-16 04:35:30,143 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 04:35:30,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 04:35:30,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 04:35:30,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 04:35:30,158 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,158 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,178 INFO L175 MemorySlicer]: Split 116 memory accesses to 2 slices as follows [2, 114]. 98 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 15]. The 19 writes are split as follows [0, 19]. [2023-12-16 04:35:30,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,211 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 04:35:30,211 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 04:35:30,212 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 04:35:30,212 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 04:35:30,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (1/1) ... [2023-12-16 04:35:30,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:35:30,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:35:30,256 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) [2023-12-16 04:35:30,291 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 [2023-12-16 04:35:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 04:35:30,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-16 04:35:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-16 04:35:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-16 04:35:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-16 04:35:30,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-16 04:35:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-16 04:35:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-16 04:35:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-16 04:35:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-16 04:35:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-16 04:35:30,311 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 04:35:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 04:35:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 04:35:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 04:35:30,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 04:35:30,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 04:35:30,418 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 04:35:30,420 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 04:35:30,820 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 04:35:30,850 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 04:35:30,850 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 04:35:30,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:35:30 BoogieIcfgContainer [2023-12-16 04:35:30,851 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 04:35:30,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 04:35:30,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 04:35:30,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 04:35:30,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:35:29" (1/3) ... [2023-12-16 04:35:30,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecf4fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:35:30, skipping insertion in model container [2023-12-16 04:35:30,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:35:30" (2/3) ... [2023-12-16 04:35:30,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ecf4fd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:35:30, skipping insertion in model container [2023-12-16 04:35:30,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:35:30" (3/3) ... [2023-12-16 04:35:30,856 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-97.i [2023-12-16 04:35:30,867 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 04:35:30,867 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 04:35:30,900 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 04:35:30,905 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7b7818f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 04:35:30,905 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 04:35:30,910 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 04:35:30,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-16 04:35:30,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:35:30,921 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:35:30,921 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:35:30,925 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:35:30,925 INFO L85 PathProgramCache]: Analyzing trace with hash 474665468, now seen corresponding path program 1 times [2023-12-16 04:35:30,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:35:30,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457441474] [2023-12-16 04:35:30,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:35:30,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:35:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 04:35:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 04:35:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 04:35:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 04:35:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 04:35:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 04:35:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-16 04:35:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-16 04:35:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 04:35:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 04:35:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 04:35:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 04:35:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 04:35:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 04:35:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 04:35:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 04:35:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 04:35:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,200 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-16 04:35:31,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:35:31,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457441474] [2023-12-16 04:35:31,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457441474] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:35:31,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:35:31,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 04:35:31,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860119014] [2023-12-16 04:35:31,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:35:31,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 04:35:31,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:35:31,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 04:35:31,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:35:31,226 INFO L87 Difference]: Start difference. First operand has 93 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 74 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 04:35:31,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:35:31,283 INFO L93 Difference]: Finished difference Result 183 states and 291 transitions. [2023-12-16 04:35:31,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 04:35:31,285 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 129 [2023-12-16 04:35:31,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:35:31,292 INFO L225 Difference]: With dead ends: 183 [2023-12-16 04:35:31,292 INFO L226 Difference]: Without dead ends: 91 [2023-12-16 04:35:31,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:35:31,299 INFO L413 NwaCegarLoop]: 129 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, 129 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 [2023-12-16 04:35:31,300 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:35:31,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-16 04:35:31,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-12-16 04:35:31,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 04:35:31,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 133 transitions. [2023-12-16 04:35:31,345 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 133 transitions. Word has length 129 [2023-12-16 04:35:31,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:35:31,345 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 133 transitions. [2023-12-16 04:35:31,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-16 04:35:31,345 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 133 transitions. [2023-12-16 04:35:31,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2023-12-16 04:35:31,347 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:35:31,347 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:35:31,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-16 04:35:31,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:35:31,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:35:31,348 INFO L85 PathProgramCache]: Analyzing trace with hash 631241818, now seen corresponding path program 1 times [2023-12-16 04:35:31,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:35:31,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576063961] [2023-12-16 04:35:31,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:35:31,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:35:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 04:35:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 04:35:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 04:35:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 04:35:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 04:35:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 04:35:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-16 04:35:31,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-16 04:35:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 04:35:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 04:35:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 04:35:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 04:35:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 04:35:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 04:35:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 04:35:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 04:35:31,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 04:35:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:31,760 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-16 04:35:31,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:35:31,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576063961] [2023-12-16 04:35:31,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576063961] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:35:31,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:35:31,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:35:31,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108940564] [2023-12-16 04:35:31,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:35:31,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:35:31,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:35:31,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:35:31,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:35:31,763 INFO L87 Difference]: Start difference. First operand 91 states and 133 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:31,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:35:31,833 INFO L93 Difference]: Finished difference Result 204 states and 299 transitions. [2023-12-16 04:35:31,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:35:31,833 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 129 [2023-12-16 04:35:31,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:35:31,835 INFO L225 Difference]: With dead ends: 204 [2023-12-16 04:35:31,835 INFO L226 Difference]: Without dead ends: 114 [2023-12-16 04:35:31,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:35:31,836 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 49 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 408 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 [2023-12-16 04:35:31,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 408 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:35:31,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-12-16 04:35:31,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 93. [2023-12-16 04:35:31,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 74 states have (on average 1.364864864864865) internal successors, (101), 74 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 04:35:31,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2023-12-16 04:35:31,844 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 129 [2023-12-16 04:35:31,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:35:31,846 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2023-12-16 04:35:31,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:31,846 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2023-12-16 04:35:31,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 04:35:31,847 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:35:31,847 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:35:31,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-16 04:35:31,848 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:35:31,848 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:35:31,848 INFO L85 PathProgramCache]: Analyzing trace with hash 776918632, now seen corresponding path program 1 times [2023-12-16 04:35:31,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:35:31,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101754817] [2023-12-16 04:35:31,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:35:31,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:35:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 04:35:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 04:35:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 04:35:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 04:35:32,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 04:35:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 04:35:32,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-16 04:35:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-16 04:35:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 04:35:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 04:35:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 04:35:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 04:35:32,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 04:35:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 04:35:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 04:35:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 04:35:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 04:35:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-16 04:35:32,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:35:32,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101754817] [2023-12-16 04:35:32,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101754817] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:35:32,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:35:32,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:35:32,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647389770] [2023-12-16 04:35:32,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:35:32,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:35:32,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:35:32,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:35:32,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:35:32,071 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:32,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:35:32,113 INFO L93 Difference]: Finished difference Result 197 states and 286 transitions. [2023-12-16 04:35:32,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:35:32,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-16 04:35:32,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:35:32,117 INFO L225 Difference]: With dead ends: 197 [2023-12-16 04:35:32,117 INFO L226 Difference]: Without dead ends: 105 [2023-12-16 04:35:32,119 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:35:32,121 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 21 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:35:32,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 378 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:35:32,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-16 04:35:32,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2023-12-16 04:35:32,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 76 states have (on average 1.355263157894737) internal successors, (103), 76 states have internal predecessors, (103), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 04:35:32,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2023-12-16 04:35:32,139 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 131 [2023-12-16 04:35:32,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:35:32,139 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2023-12-16 04:35:32,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:32,139 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2023-12-16 04:35:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 04:35:32,141 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:35:32,141 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:35:32,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-16 04:35:32,141 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:35:32,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:35:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash -32427994, now seen corresponding path program 1 times [2023-12-16 04:35:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:35:32,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995113495] [2023-12-16 04:35:32,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:35:32,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:35:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 04:35:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 04:35:32,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 04:35:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 04:35:32,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 04:35:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 04:35:32,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-16 04:35:32,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-16 04:35:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 04:35:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 04:35:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 04:35:32,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 04:35:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 04:35:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 04:35:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 04:35:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 04:35:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 04:35:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,307 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-16 04:35:32,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:35:32,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995113495] [2023-12-16 04:35:32,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995113495] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:35:32,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:35:32,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:35:32,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137386858] [2023-12-16 04:35:32,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:35:32,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:35:32,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:35:32,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:35:32,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:35:32,309 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:32,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:35:32,343 INFO L93 Difference]: Finished difference Result 197 states and 284 transitions. [2023-12-16 04:35:32,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:35:32,344 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-16 04:35:32,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:35:32,347 INFO L225 Difference]: With dead ends: 197 [2023-12-16 04:35:32,347 INFO L226 Difference]: Without dead ends: 103 [2023-12-16 04:35:32,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:35:32,355 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 12 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:35:32,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 376 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:35:32,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-12-16 04:35:32,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 97. [2023-12-16 04:35:32,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 78 states have (on average 1.3461538461538463) internal successors, (105), 78 states have internal predecessors, (105), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 04:35:32,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 139 transitions. [2023-12-16 04:35:32,364 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 139 transitions. Word has length 131 [2023-12-16 04:35:32,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:35:32,364 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 139 transitions. [2023-12-16 04:35:32,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:32,364 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 139 transitions. [2023-12-16 04:35:32,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 04:35:32,365 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:35:32,366 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:35:32,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-16 04:35:32,366 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:35:32,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:35:32,366 INFO L85 PathProgramCache]: Analyzing trace with hash 24830308, now seen corresponding path program 1 times [2023-12-16 04:35:32,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:35:32,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841441666] [2023-12-16 04:35:32,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:35:32,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:35:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 04:35:32,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 04:35:32,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 04:35:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 04:35:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 04:35:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 04:35:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-16 04:35:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-16 04:35:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 04:35:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 04:35:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 04:35:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 04:35:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 04:35:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 04:35:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 04:35:32,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 04:35:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 04:35:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:32,488 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-16 04:35:32,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:35:32,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841441666] [2023-12-16 04:35:32,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841441666] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:35:32,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:35:32,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:35:32,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64085031] [2023-12-16 04:35:32,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:35:32,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:35:32,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:35:32,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:35:32,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:35:32,491 INFO L87 Difference]: Start difference. First operand 97 states and 139 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:32,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:35:32,528 INFO L93 Difference]: Finished difference Result 197 states and 282 transitions. [2023-12-16 04:35:32,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:35:32,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-16 04:35:32,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:35:32,530 INFO L225 Difference]: With dead ends: 197 [2023-12-16 04:35:32,530 INFO L226 Difference]: Without dead ends: 101 [2023-12-16 04:35:32,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:35:32,531 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 3 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:35:32,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 376 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:35:32,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2023-12-16 04:35:32,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 99. [2023-12-16 04:35:32,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 80 states have (on average 1.3375) internal successors, (107), 80 states have internal predecessors, (107), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 04:35:32,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 141 transitions. [2023-12-16 04:35:32,542 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 141 transitions. Word has length 131 [2023-12-16 04:35:32,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:35:32,542 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 141 transitions. [2023-12-16 04:35:32,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:32,542 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 141 transitions. [2023-12-16 04:35:32,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 04:35:32,546 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:35:32,546 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:35:32,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-16 04:35:32,547 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:35:32,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:35:32,547 INFO L85 PathProgramCache]: Analyzing trace with hash 24889890, now seen corresponding path program 1 times [2023-12-16 04:35:32,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:35:32,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239233524] [2023-12-16 04:35:32,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:35:32,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:35:32,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 04:35:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 04:35:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 04:35:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 04:35:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 04:35:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 04:35:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-16 04:35:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-16 04:35:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 04:35:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 04:35:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 04:35:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 04:35:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 04:35:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 04:35:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 04:35:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 04:35:33,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 04:35:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:33,187 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-16 04:35:33,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:35:33,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239233524] [2023-12-16 04:35:33,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239233524] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:35:33,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:35:33,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 04:35:33,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290978225] [2023-12-16 04:35:33,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:35:33,190 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 04:35:33,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:35:33,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 04:35:33,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-16 04:35:33,190 INFO L87 Difference]: Start difference. First operand 99 states and 141 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:33,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:35:33,498 INFO L93 Difference]: Finished difference Result 234 states and 329 transitions. [2023-12-16 04:35:33,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 04:35:33,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-16 04:35:33,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:35:33,500 INFO L225 Difference]: With dead ends: 234 [2023-12-16 04:35:33,500 INFO L226 Difference]: Without dead ends: 136 [2023-12-16 04:35:33,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-16 04:35:33,502 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 255 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-16 04:35:33,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 338 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-16 04:35:33,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-12-16 04:35:33,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 101. [2023-12-16 04:35:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 82 states have (on average 1.329268292682927) internal successors, (109), 82 states have internal predecessors, (109), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-16 04:35:33,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 143 transitions. [2023-12-16 04:35:33,510 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 143 transitions. Word has length 131 [2023-12-16 04:35:33,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:35:33,511 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 143 transitions. [2023-12-16 04:35:33,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 8 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-16 04:35:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2023-12-16 04:35:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-16 04:35:33,512 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:35:33,513 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:35:33,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-16 04:35:33,513 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:35:33,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:35:33,514 INFO L85 PathProgramCache]: Analyzing trace with hash -360872647, now seen corresponding path program 1 times [2023-12-16 04:35:33,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:35:33,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614949614] [2023-12-16 04:35:33,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:35:33,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:35:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-16 04:35:35,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-12-16 04:35:35,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-12-16 04:35:35,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-12-16 04:35:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-12-16 04:35:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-12-16 04:35:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-12-16 04:35:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2023-12-16 04:35:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-12-16 04:35:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-12-16 04:35:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-12-16 04:35:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-12-16 04:35:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-12-16 04:35:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-12-16 04:35:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-12-16 04:35:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-12-16 04:35:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-16 04:35:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2023-12-16 04:35:35,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:35:35,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614949614] [2023-12-16 04:35:35,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614949614] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-16 04:35:35,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910360077] [2023-12-16 04:35:35,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:35:35,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:35:35,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:35:35,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:35:35,373 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 04:35:35,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:35:35,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 51 conjunts are in the unsatisfiable core [2023-12-16 04:35:35,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:35:38,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-16 04:35:38,674 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 [2023-12-16 04:35:39,128 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 [2023-12-16 04:35:39,486 INFO L349 Elim1Store]: treesize reduction 39, result has 31.6 percent of original size [2023-12-16 04:35:39,487 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 59 treesize of output 82 [2023-12-16 04:35:39,609 INFO L349 Elim1Store]: treesize reduction 16, result has 46.7 percent of original size [2023-12-16 04:35:39,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 80 treesize of output 71 [2023-12-16 04:35:39,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,689 INFO L349 Elim1Store]: treesize reduction 170, result has 5.0 percent of original size [2023-12-16 04:35:39,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 127 treesize of output 236 [2023-12-16 04:35:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 42 [2023-12-16 04:35:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,803 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-16 04:35:39,807 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 0 case distinctions, treesize of input 60 treesize of output 42 [2023-12-16 04:35:39,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 45 treesize of output 22 [2023-12-16 04:35:39,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 15 [2023-12-16 04:35:39,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,903 INFO L349 Elim1Store]: treesize reduction 43, result has 20.4 percent of original size [2023-12-16 04:35:39,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 121 treesize of output 136 [2023-12-16 04:35:39,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,959 INFO L349 Elim1Store]: treesize reduction 118, result has 9.2 percent of original size [2023-12-16 04:35:39,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 108 treesize of output 168 [2023-12-16 04:35:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:39,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 38 [2023-12-16 04:35:40,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,038 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 0 case distinctions, treesize of input 52 treesize of output 38 [2023-12-16 04:35:40,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 7 [2023-12-16 04:35:40,511 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 41 treesize of output 34 [2023-12-16 04:35:40,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,578 INFO L349 Elim1Store]: treesize reduction 148, result has 5.7 percent of original size [2023-12-16 04:35:40,579 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 199 treesize of output 286 [2023-12-16 04:35:40,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,757 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 44 treesize of output 25 [2023-12-16 04:35:40,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 54 treesize of output 44 [2023-12-16 04:35:40,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 45 treesize of output 27 [2023-12-16 04:35:40,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:40,876 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 13 [2023-12-16 04:35:41,051 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 76 treesize of output 63 [2023-12-16 04:35:41,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,136 INFO L349 Elim1Store]: treesize reduction 237, result has 4.8 percent of original size [2023-12-16 04:35:41,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 322 treesize of output 401 [2023-12-16 04:35:41,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 84 [2023-12-16 04:35:41,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 63 [2023-12-16 04:35:41,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:41,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 44 [2023-12-16 04:35:42,559 INFO L349 Elim1Store]: treesize reduction 39, result has 31.6 percent of original size [2023-12-16 04:35:42,560 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 54 treesize of output 77 [2023-12-16 04:35:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,620 INFO L349 Elim1Store]: treesize reduction 129, result has 6.5 percent of original size [2023-12-16 04:35:42,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 71 treesize of output 151 [2023-12-16 04:35:42,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 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 65 treesize of output 44 [2023-12-16 04:35:42,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,758 INFO L349 Elim1Store]: treesize reduction 86, result has 11.3 percent of original size [2023-12-16 04:35:42,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 71 treesize of output 102 [2023-12-16 04:35:42,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 7 [2023-12-16 04:35:42,934 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 235 treesize of output 176 [2023-12-16 04:35:42,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:42,995 INFO L349 Elim1Store]: treesize reduction 31, result has 13.9 percent of original size [2023-12-16 04:35:42,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 63 [2023-12-16 04:35:43,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:43,262 INFO L349 Elim1Store]: treesize reduction 67, result has 6.9 percent of original size [2023-12-16 04:35:43,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 99 [2023-12-16 04:35:43,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:43,281 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-16 04:35:43,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 40 [2023-12-16 04:35:43,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:43,363 INFO L349 Elim1Store]: treesize reduction 46, result has 9.8 percent of original size [2023-12-16 04:35:43,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 69 [2023-12-16 04:35:43,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:43,377 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-16 04:35:43,378 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 1 case distinctions, treesize of input 31 treesize of output 22 [2023-12-16 04:35:43,421 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 97 treesize of output 74 [2023-12-16 04:35:43,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:43,438 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 20 treesize of output 11 [2023-12-16 04:35:48,297 INFO L349 Elim1Store]: treesize reduction 13, result has 58.1 percent of original size [2023-12-16 04:35:48,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 1794 treesize of output 1458 [2023-12-16 04:35:49,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:49,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:49,738 INFO L349 Elim1Store]: treesize reduction 44, result has 43.6 percent of original size [2023-12-16 04:35:49,738 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 4 case distinctions, treesize of input 23 treesize of output 49 [2023-12-16 04:35:49,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:49,832 INFO L349 Elim1Store]: treesize reduction 44, result has 48.8 percent of original size [2023-12-16 04:35:49,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 57 [2023-12-16 04:35:49,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:49,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,046 INFO L349 Elim1Store]: treesize reduction 76, result has 42.9 percent of original size [2023-12-16 04:35:50,048 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 171 treesize of output 196 [2023-12-16 04:35:50,424 INFO L349 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2023-12-16 04:35:50,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 24 [2023-12-16 04:35:50,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,501 INFO L349 Elim1Store]: treesize reduction 68, result has 41.9 percent of original size [2023-12-16 04:35:50,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 46 treesize of output 83 [2023-12-16 04:35:50,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,808 INFO L349 Elim1Store]: treesize reduction 52, result has 33.3 percent of original size [2023-12-16 04:35:50,808 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 4 case distinctions, treesize of input 23 treesize of output 41 [2023-12-16 04:35:50,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:50,882 INFO L349 Elim1Store]: treesize reduction 68, result has 41.9 percent of original size [2023-12-16 04:35:50,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 143 treesize of output 164 [2023-12-16 04:35:51,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,161 INFO L349 Elim1Store]: treesize reduction 88, result has 40.5 percent of original size [2023-12-16 04:35:51,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 43 treesize of output 87 [2023-12-16 04:35:51,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,393 INFO L349 Elim1Store]: treesize reduction 52, result has 33.3 percent of original size [2023-12-16 04:35:51,394 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 4 case distinctions, treesize of input 23 treesize of output 41 [2023-12-16 04:35:51,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,478 INFO L349 Elim1Store]: treesize reduction 60, result has 45.0 percent of original size [2023-12-16 04:35:51,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 43 treesize of output 80 [2023-12-16 04:35:51,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,765 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2023-12-16 04:35:51,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 53 [2023-12-16 04:35:51,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:51,951 INFO L349 Elim1Store]: treesize reduction 68, result has 41.9 percent of original size [2023-12-16 04:35:51,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 28 treesize of output 67 [2023-12-16 04:35:52,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:52,133 INFO L349 Elim1Store]: treesize reduction 48, result has 44.2 percent of original size [2023-12-16 04:35:52,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 23 treesize of output 53 [2023-12-16 04:35:52,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:52,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:52,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:52,275 INFO L349 Elim1Store]: treesize reduction 68, result has 41.9 percent of original size [2023-12-16 04:35:52,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 74 treesize of output 109 [2023-12-16 04:35:53,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,153 INFO L349 Elim1Store]: treesize reduction 24, result has 48.9 percent of original size [2023-12-16 04:35:53,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 25 treesize of output 42 [2023-12-16 04:35:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,252 INFO L349 Elim1Store]: treesize reduction 60, result has 48.7 percent of original size [2023-12-16 04:35:53,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 198 treesize of output 239 [2023-12-16 04:35:53,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,362 INFO L349 Elim1Store]: treesize reduction 48, result has 38.5 percent of original size [2023-12-16 04:35:53,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 85 treesize of output 99 [2023-12-16 04:35:53,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:53,440 INFO L349 Elim1Store]: treesize reduction 40, result has 42.9 percent of original size [2023-12-16 04:35:53,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 52 [2023-12-16 04:35:53,594 INFO L349 Elim1Store]: treesize reduction 68, result has 65.3 percent of original size [2023-12-16 04:35:53,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 100 treesize of output 206 [2023-12-16 04:35:57,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,095 INFO L349 Elim1Store]: treesize reduction 48, result has 38.5 percent of original size [2023-12-16 04:35:57,096 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 4 case distinctions, treesize of input 57 treesize of output 77 [2023-12-16 04:35:57,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,187 INFO L349 Elim1Store]: treesize reduction 60, result has 48.7 percent of original size [2023-12-16 04:35:57,188 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 83 treesize of output 124 [2023-12-16 04:35:57,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,517 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2023-12-16 04:35:57,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 25 treesize of output 38 [2023-12-16 04:35:57,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-16 04:35:57,585 INFO L349 Elim1Store]: treesize reduction 40, result has 42.9 percent of original size [2023-12-16 04:35:57,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 120 treesize of output 134 [2023-12-16 04:36:15,714 INFO L349 Elim1Store]: treesize reduction 32, result has 52.2 percent of original size [2023-12-16 04:36:15,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 7517 treesize of output 5805 Received shutdown request... [2023-12-16 04:36:32,026 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 04:36:32,033 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 04:36:32,062 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 04:36:32,062 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-16 04:36:32,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:36:32,232 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 132 with TraceHistMax 17,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-1 context. [2023-12-16 04:36:32,237 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:36:32,238 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 04:36:32,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:36:32 BoogieIcfgContainer [2023-12-16 04:36:32,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 04:36:32,240 INFO L158 Benchmark]: Toolchain (without parser) took 62469.65ms. Allocated memory was 172.0MB in the beginning and 878.7MB in the end (delta: 706.7MB). Free memory was 122.5MB in the beginning and 624.2MB in the end (delta: -501.7MB). Peak memory consumption was 516.8MB. Max. memory is 8.0GB. [2023-12-16 04:36:32,240 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 04:36:32,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 314.14ms. Allocated memory is still 172.0MB. Free memory was 122.1MB in the beginning and 106.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-16 04:36:32,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.16ms. Allocated memory is still 172.0MB. Free memory was 106.8MB in the beginning and 103.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 04:36:32,241 INFO L158 Benchmark]: Boogie Preprocessor took 67.37ms. Allocated memory is still 172.0MB. Free memory was 103.3MB in the beginning and 99.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 04:36:32,241 INFO L158 Benchmark]: RCFGBuilder took 639.48ms. Allocated memory is still 172.0MB. Free memory was 99.1MB in the beginning and 125.3MB in the end (delta: -26.2MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. [2023-12-16 04:36:32,241 INFO L158 Benchmark]: TraceAbstraction took 61387.62ms. Allocated memory was 172.0MB in the beginning and 878.7MB in the end (delta: 706.7MB). Free memory was 124.8MB in the beginning and 624.2MB in the end (delta: -499.5MB). Peak memory consumption was 518.0MB. Max. memory is 8.0GB. [2023-12-16 04:36:32,242 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 172.0MB. Free memory is still 125.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 314.14ms. Allocated memory is still 172.0MB. Free memory was 122.1MB in the beginning and 106.8MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.16ms. Allocated memory is still 172.0MB. Free memory was 106.8MB in the beginning and 103.3MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 67.37ms. Allocated memory is still 172.0MB. Free memory was 103.3MB in the beginning and 99.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 639.48ms. Allocated memory is still 172.0MB. Free memory was 99.1MB in the beginning and 125.3MB in the end (delta: -26.2MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. * TraceAbstraction took 61387.62ms. Allocated memory was 172.0MB in the beginning and 878.7MB in the end (delta: 706.7MB). Free memory was 124.8MB in the beginning and 624.2MB in the end (delta: -499.5MB). Peak memory consumption was 518.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 19). Cancelled while NwaCegarLoop was analyzing trace of length 132 with TraceHistMax 17,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-12-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 61.4s, OverallIterations: 7, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 340 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 340 mSDsluCounter, 2005 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1249 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 416 IncrementalHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 756 mSDtfsCounter, 416 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 254 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=6, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 74 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 782 NumberOfCodeBlocks, 782 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 776 ConstructedInterpolants, 0 QuantifiedInterpolants, 1356 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 3264/3264 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown