/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_array_index_value_2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-20 00:01:50,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-20 00:01:50,829 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-20 00:01:50,832 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-20 00:01:50,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-20 00:01:50,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-20 00:01:50,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-20 00:01:50,854 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-20 00:01:50,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-20 00:01:50,857 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-20 00:01:50,857 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-20 00:01:50,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-20 00:01:50,858 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-20 00:01:50,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-20 00:01:50,859 INFO L153 SettingsManager]: * Use SBE=true [2023-12-20 00:01:50,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-20 00:01:50,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-20 00:01:50,859 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-20 00:01:50,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-20 00:01:50,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-20 00:01:50,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-20 00:01:50,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-20 00:01:50,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-20 00:01:50,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-20 00:01:50,860 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-20 00:01:50,861 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-20 00:01:50,861 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-20 00:01:50,861 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-20 00:01:50,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-20 00:01:50,861 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-20 00:01:50,862 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-20 00:01:50,862 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-20 00:01:50,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 00:01:50,863 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-20 00:01:50,863 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-20 00:01:50,863 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-20 00:01:50,863 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-20 00:01:50,863 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-20 00:01:50,863 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-20 00:01:50,863 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-20 00:01:50,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-20 00:01:50,864 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-20 00:01:50,864 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-20 00:01:50,864 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-20 00:01:51,052 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-20 00:01:51,066 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-20 00:01:51,068 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-20 00:01:51,068 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-20 00:01:51,069 INFO L274 PluginConnector]: CDTParser initialized [2023-12-20 00:01:51,069 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_array_index_value_2.i [2023-12-20 00:01:52,409 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-20 00:01:52,669 INFO L384 CDTParser]: Found 1 translation units. [2023-12-20 00:01:52,670 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_array_index_value_2.i [2023-12-20 00:01:52,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31147e717/29ceabb1e9cd419ea48d5b5ed584b4e0/FLAG9f2a33db1 [2023-12-20 00:01:52,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31147e717/29ceabb1e9cd419ea48d5b5ed584b4e0 [2023-12-20 00:01:52,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-20 00:01:52,709 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-20 00:01:52,711 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-20 00:01:52,711 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-20 00:01:52,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-20 00:01:52,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:52,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd1e07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52, skipping insertion in model container [2023-12-20 00:01:52,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:52,746 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-20 00:01:52,893 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_array_index_value_2.i[1800,1813] [2023-12-20 00:01:52,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 00:01:52,921 INFO L202 MainTranslator]: Completed pre-run [2023-12-20 00:01:52,930 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursified_loop-crafted/recursified_simple_array_index_value_2.i[1800,1813] [2023-12-20 00:01:52,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-20 00:01:52,944 INFO L206 MainTranslator]: Completed translation [2023-12-20 00:01:52,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52 WrapperNode [2023-12-20 00:01:52,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-20 00:01:52,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-20 00:01:52,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-20 00:01:52,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-20 00:01:52,952 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:52,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:52,974 INFO L138 Inliner]: procedures = 19, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 68 [2023-12-20 00:01:52,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-20 00:01:52,975 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-20 00:01:52,975 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-20 00:01:52,975 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-20 00:01:52,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:52,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:52,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:52,997 INFO L175 MemorySlicer]: Split 16 memory accesses to 3 slices as follows [2, 2, 12]. 75 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 5 writes are split as follows [0, 1, 4]. [2023-12-20 00:01:52,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:52,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:53,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:53,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:53,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:53,004 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:53,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-20 00:01:53,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-20 00:01:53,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-20 00:01:53,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-20 00:01:53,012 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (1/1) ... [2023-12-20 00:01:53,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-20 00:01:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 00:01:53,073 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) [2023-12-20 00:01:53,078 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 [2023-12-20 00:01:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-20 00:01:53,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-20 00:01:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-20 00:01:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-20 00:01:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-20 00:01:53,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-20 00:01:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-20 00:01:53,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-20 00:01:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_38_to_41_0 [2023-12-20 00:01:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_38_to_41_0 [2023-12-20 00:01:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_44_to_45_0 [2023-12-20 00:01:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_44_to_45_0 [2023-12-20 00:01:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-20 00:01:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-20 00:01:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-20 00:01:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-20 00:01:53,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-20 00:01:53,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-20 00:01:53,218 INFO L241 CfgBuilder]: Building ICFG [2023-12-20 00:01:53,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-20 00:01:53,349 INFO L282 CfgBuilder]: Performing block encoding [2023-12-20 00:01:53,376 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-20 00:01:53,376 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-20 00:01:53,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 12:01:53 BoogieIcfgContainer [2023-12-20 00:01:53,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-20 00:01:53,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-20 00:01:53,378 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-20 00:01:53,390 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-20 00:01:53,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.12 12:01:52" (1/3) ... [2023-12-20 00:01:53,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b372bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 12:01:53, skipping insertion in model container [2023-12-20 00:01:53,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.12 12:01:52" (2/3) ... [2023-12-20 00:01:53,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b372bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.12 12:01:53, skipping insertion in model container [2023-12-20 00:01:53,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.12 12:01:53" (3/3) ... [2023-12-20 00:01:53,393 INFO L112 eAbstractionObserver]: Analyzing ICFG recursified_simple_array_index_value_2.i [2023-12-20 00:01:53,422 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-20 00:01:53,423 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-20 00:01:53,463 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-20 00:01:53,471 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;@c92508, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-20 00:01:53,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-20 00:01:53,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-20 00:01:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-20 00:01:53,485 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 00:01:53,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 00:01:53,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 00:01:53,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 00:01:53,491 INFO L85 PathProgramCache]: Analyzing trace with hash 290853727, now seen corresponding path program 1 times [2023-12-20 00:01:53,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 00:01:53,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303398312] [2023-12-20 00:01:53,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 00:01:53,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 00:01:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:53,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 00:01:53,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:53,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 00:01:53,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 00:01:53,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303398312] [2023-12-20 00:01:53,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303398312] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-20 00:01:53,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-20 00:01:53,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-20 00:01:53,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657229732] [2023-12-20 00:01:53,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-20 00:01:53,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-20 00:01:53,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 00:01:53,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-20 00:01:53,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-20 00:01:53,966 INFO L87 Difference]: Start difference. First operand has 22 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 17 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-20 00:01:54,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 00:01:54,070 INFO L93 Difference]: Finished difference Result 47 states and 62 transitions. [2023-12-20 00:01:54,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-20 00:01:54,072 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2023-12-20 00:01:54,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 00:01:54,102 INFO L225 Difference]: With dead ends: 47 [2023-12-20 00:01:54,103 INFO L226 Difference]: Without dead ends: 20 [2023-12-20 00:01:54,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-20 00:01:54,110 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-20 00:01:54,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 23 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-20 00:01:54,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2023-12-20 00:01:54,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2023-12-20 00:01:54,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-20 00:01:54,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2023-12-20 00:01:54,165 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 12 [2023-12-20 00:01:54,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 00:01:54,165 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2023-12-20 00:01:54,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-20 00:01:54,166 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2023-12-20 00:01:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-20 00:01:54,168 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 00:01:54,168 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 00:01:54,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-20 00:01:54,168 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 00:01:54,169 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 00:01:54,170 INFO L85 PathProgramCache]: Analyzing trace with hash -813217266, now seen corresponding path program 1 times [2023-12-20 00:01:54,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 00:01:54,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167071522] [2023-12-20 00:01:54,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 00:01:54,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 00:01:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:54,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 00:01:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:54,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:01:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:54,858 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-20 00:01:54,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 00:01:54,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167071522] [2023-12-20 00:01:54,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167071522] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 00:01:54,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959590882] [2023-12-20 00:01:54,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 00:01:54,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 00:01:54,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 00:01:54,882 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) [2023-12-20 00:01:54,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-20 00:01:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:54,946 WARN L260 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 73 conjunts are in the unsatisfiable core [2023-12-20 00:01:54,951 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 00:01:54,987 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 11 treesize of output 7 [2023-12-20 00:01:55,203 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 35 treesize of output 1 [2023-12-20 00:01:55,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-20 00:01:55,339 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 11 treesize of output 7 [2023-12-20 00:01:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 00:01:55,497 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 00:01:55,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 49 [2023-12-20 00:01:55,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 36 [2023-12-20 00:01:56,211 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-20 00:01:56,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 96 [2023-12-20 00:01:56,249 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-20 00:01:56,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 48 [2023-12-20 00:01:56,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 52 [2023-12-20 00:01:56,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-20 00:01:56,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959590882] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-20 00:01:56,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-20 00:01:56,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 13, 13] total 33 [2023-12-20 00:01:56,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134411096] [2023-12-20 00:01:56,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-20 00:01:56,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-12-20 00:01:56,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 00:01:56,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-12-20 00:01:56,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1017, Unknown=0, NotChecked=0, Total=1122 [2023-12-20 00:01:56,687 INFO L87 Difference]: Start difference. First operand 20 states and 22 transitions. Second operand has 34 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 26 states have internal predecessors, (40), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-20 00:01:58,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 00:01:58,572 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2023-12-20 00:01:58,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-12-20 00:01:58,572 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 26 states have internal predecessors, (40), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 19 [2023-12-20 00:01:58,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 00:01:58,573 INFO L225 Difference]: With dead ends: 44 [2023-12-20 00:01:58,573 INFO L226 Difference]: Without dead ends: 33 [2023-12-20 00:01:58,574 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=301, Invalid=2351, Unknown=0, NotChecked=0, Total=2652 [2023-12-20 00:01:58,575 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 42 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 23 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-20 00:01:58,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 40 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 320 Invalid, 7 Unknown, 0 Unchecked, 1.1s Time] [2023-12-20 00:01:58,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2023-12-20 00:01:58,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30. [2023-12-20 00:01:58,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-12-20 00:01:58,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2023-12-20 00:01:58,601 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 19 [2023-12-20 00:01:58,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 00:01:58,604 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2023-12-20 00:01:58,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 26 states have internal predecessors, (40), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-20 00:01:58,607 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2023-12-20 00:01:58,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-20 00:01:58,608 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 00:01:58,608 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 00:01:58,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-20 00:01:58,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 00:01:58,815 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 00:01:58,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 00:01:58,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1232206891, now seen corresponding path program 1 times [2023-12-20 00:01:58,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 00:01:58,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202281194] [2023-12-20 00:01:58,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 00:01:58,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 00:01:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 00:01:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:59,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:01:59,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:59,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:01:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:59,591 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-20 00:01:59,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 00:01:59,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202281194] [2023-12-20 00:01:59,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202281194] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 00:01:59,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013580278] [2023-12-20 00:01:59,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 00:01:59,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 00:01:59,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 00:01:59,593 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 00:01:59,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-20 00:01:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:01:59,669 WARN L260 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 124 conjunts are in the unsatisfiable core [2023-12-20 00:01:59,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 00:01:59,682 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 11 treesize of output 7 [2023-12-20 00:01:59,945 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 35 treesize of output 1 [2023-12-20 00:02:00,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-20 00:02:00,171 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 11 treesize of output 7 [2023-12-20 00:02:00,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-20 00:02:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-20 00:02:00,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 00:02:01,302 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2023-12-20 00:02:01,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 44 [2023-12-20 00:02:01,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 60 [2023-12-20 00:02:01,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013580278] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 00:02:01,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 00:02:01,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21] total 33 [2023-12-20 00:02:01,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979567106] [2023-12-20 00:02:01,849 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 00:02:01,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-12-20 00:02:01,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 00:02:01,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-12-20 00:02:01,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2018, Unknown=0, NotChecked=0, Total=2162 [2023-12-20 00:02:01,851 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 34 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 28 states have internal predecessors, (43), 9 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-20 00:02:03,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 00:02:03,876 INFO L93 Difference]: Finished difference Result 68 states and 78 transitions. [2023-12-20 00:02:03,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-12-20 00:02:03,877 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 28 states have internal predecessors, (43), 9 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 31 [2023-12-20 00:02:03,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 00:02:03,882 INFO L225 Difference]: With dead ends: 68 [2023-12-20 00:02:03,882 INFO L226 Difference]: Without dead ends: 54 [2023-12-20 00:02:03,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1006 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=540, Invalid=5010, Unknown=0, NotChecked=0, Total=5550 [2023-12-20 00:02:03,901 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 96 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-20 00:02:03,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 139 Invalid, 1082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-20 00:02:03,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-12-20 00:02:03,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 42. [2023-12-20 00:02:03,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 31 states have internal predecessors, (35), 7 states have call successors, (7), 6 states have call predecessors, (7), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-20 00:02:03,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2023-12-20 00:02:03,919 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 31 [2023-12-20 00:02:03,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 00:02:03,919 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2023-12-20 00:02:03,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 28 states have internal predecessors, (43), 9 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-20 00:02:03,919 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2023-12-20 00:02:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-20 00:02:03,920 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 00:02:03,920 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 00:02:03,934 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-20 00:02:04,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-12-20 00:02:04,125 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 00:02:04,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 00:02:04,125 INFO L85 PathProgramCache]: Analyzing trace with hash 382865606, now seen corresponding path program 2 times [2023-12-20 00:02:04,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 00:02:04,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064109596] [2023-12-20 00:02:04,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 00:02:04,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 00:02:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 00:02:04,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:05,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:05,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:05,595 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-20 00:02:05,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 00:02:05,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064109596] [2023-12-20 00:02:05,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064109596] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 00:02:05,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99126908] [2023-12-20 00:02:05,596 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-20 00:02:05,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 00:02:05,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 00:02:05,598 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 00:02:05,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-20 00:02:05,679 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-20 00:02:05,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-20 00:02:05,682 WARN L260 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 142 conjunts are in the unsatisfiable core [2023-12-20 00:02:05,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 00:02:05,695 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 11 treesize of output 7 [2023-12-20 00:02:06,036 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 35 treesize of output 1 [2023-12-20 00:02:06,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52 [2023-12-20 00:02:06,334 WARN L876 $PredicateComparison]: unable to prove that (exists ((|func_to_recursive_line_38_to_41_0_~array#1.offset| Int) (v_z_20 Int)) (let ((.cse1 (+ |func_to_recursive_line_38_to_41_0_~array#1.offset| (* v_z_20 4)))) (let ((.cse0 (select (select |c_#memory_int#1| |c_func_to_recursive_line_38_to_41_0_#in~array#1.base|) .cse1))) (and (<= |func_to_recursive_line_38_to_41_0_~array#1.offset| |c_func_to_recursive_line_38_to_41_0_#in~array#1.offset|) (<= (+ v_z_20 1) (mod .cse0 4294967296)) (<= v_z_20 9999) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |c_func_to_recursive_line_38_to_41_0_#in~array#1.base| (store (select |c_old(#memory_int#1)| |c_func_to_recursive_line_38_to_41_0_#in~array#1.base|) .cse1 .cse0))) (<= 0 v_z_20))))) is different from true [2023-12-20 00:02:06,389 INFO L349 Elim1Store]: treesize reduction 45, result has 43.8 percent of original size [2023-12-20 00:02:06,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 49 [2023-12-20 00:02:06,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-20 00:02:06,773 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 11 treesize of output 7 [2023-12-20 00:02:07,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-20 00:02:07,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-20 00:02:07,410 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 68 treesize of output 50 [2023-12-20 00:02:07,480 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 8 not checked. [2023-12-20 00:02:07,481 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 00:02:08,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 97 [2023-12-20 00:02:08,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 130 [2023-12-20 00:02:08,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 126 [2023-12-20 00:02:09,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 162 [2023-12-20 00:02:09,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 150 [2023-12-20 00:02:09,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 150 [2023-12-20 00:02:14,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99126908] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 00:02:14,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 00:02:14,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 25] total 41 [2023-12-20 00:02:14,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054142562] [2023-12-20 00:02:14,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 00:02:14,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-12-20 00:02:14,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 00:02:14,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-12-20 00:02:14,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2799, Unknown=2, NotChecked=106, Total=3080 [2023-12-20 00:02:14,158 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand has 42 states, 33 states have (on average 1.606060606060606) internal successors, (53), 36 states have internal predecessors, (53), 11 states have call successors, (12), 6 states have call predecessors, (12), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-20 00:02:18,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 00:02:18,914 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2023-12-20 00:02:18,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2023-12-20 00:02:18,915 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 33 states have (on average 1.606060606060606) internal successors, (53), 36 states have internal predecessors, (53), 11 states have call successors, (12), 6 states have call predecessors, (12), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 38 [2023-12-20 00:02:18,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 00:02:18,916 INFO L225 Difference]: With dead ends: 87 [2023-12-20 00:02:18,916 INFO L226 Difference]: Without dead ends: 69 [2023-12-20 00:02:18,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 1632 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=834, Invalid=7724, Unknown=2, NotChecked=182, Total=8742 [2023-12-20 00:02:18,918 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 168 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 1290 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 1290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 69 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-12-20 00:02:18,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 96 Invalid, 1453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 1290 Invalid, 0 Unknown, 69 Unchecked, 1.6s Time] [2023-12-20 00:02:18,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2023-12-20 00:02:18,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 49. [2023-12-20 00:02:18,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 36 states have internal predecessors, (41), 8 states have call successors, (8), 7 states have call predecessors, (8), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-20 00:02:18,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2023-12-20 00:02:18,928 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 38 [2023-12-20 00:02:18,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 00:02:18,928 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2023-12-20 00:02:18,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 33 states have (on average 1.606060606060606) internal successors, (53), 36 states have internal predecessors, (53), 11 states have call successors, (12), 6 states have call predecessors, (12), 8 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-20 00:02:18,928 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2023-12-20 00:02:18,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-20 00:02:18,929 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 00:02:18,929 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 00:02:18,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-20 00:02:19,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 00:02:19,135 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 00:02:19,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 00:02:19,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1802681205, now seen corresponding path program 3 times [2023-12-20 00:02:19,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 00:02:19,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826525392] [2023-12-20 00:02:19,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 00:02:19,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 00:02:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:19,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 00:02:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:20,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:20,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:20,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:20,623 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-20 00:02:20,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 00:02:20,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826525392] [2023-12-20 00:02:20,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826525392] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 00:02:20,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238662327] [2023-12-20 00:02:20,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-20 00:02:20,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 00:02:20,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 00:02:20,625 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 00:02:20,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-20 00:02:20,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-12-20 00:02:20,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-20 00:02:20,985 WARN L260 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 189 conjunts are in the unsatisfiable core [2023-12-20 00:02:20,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 00:02:20,993 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 11 treesize of output 7 [2023-12-20 00:02:21,347 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 35 treesize of output 1 [2023-12-20 00:02:21,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-20 00:02:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-20 00:02:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-20 00:02:21,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 31 [2023-12-20 00:02:22,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-12-20 00:02:22,201 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 11 treesize of output 7 [2023-12-20 00:02:22,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-12-20 00:02:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-12-20 00:02:22,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-20 00:02:25,210 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:25,211 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:25,212 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:25,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-20 00:02:25,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 158 treesize of output 180 [2023-12-20 00:02:25,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 174 [2023-12-20 00:02:25,276 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:25,279 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:25,280 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:25,281 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:25,305 INFO L349 Elim1Store]: treesize reduction 5, result has 84.8 percent of original size [2023-12-20 00:02:25,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 191 treesize of output 116 [2023-12-20 00:02:25,330 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-12-20 00:02:25,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 161 treesize of output 73 [2023-12-20 00:02:26,881 INFO L349 Elim1Store]: treesize reduction 243, result has 32.7 percent of original size [2023-12-20 00:02:26,881 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 130 treesize of output 160 [2023-12-20 00:02:26,908 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:26,909 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:26,909 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:26,987 INFO L349 Elim1Store]: treesize reduction 4, result has 94.6 percent of original size [2023-12-20 00:02:26,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 141 [2023-12-20 00:02:27,003 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-20 00:02:27,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 130 treesize of output 77 [2023-12-20 00:02:28,154 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238662327] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 00:02:28,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-20 00:02:28,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 29] total 48 [2023-12-20 00:02:28,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865803639] [2023-12-20 00:02:28,155 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-20 00:02:28,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-12-20 00:02:28,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-20 00:02:28,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-12-20 00:02:28,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=3538, Unknown=0, NotChecked=0, Total=3782 [2023-12-20 00:02:28,156 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 49 states, 38 states have (on average 1.631578947368421) internal successors, (62), 43 states have internal predecessors, (62), 13 states have call successors, (14), 6 states have call predecessors, (14), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-20 00:02:34,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-20 00:02:34,182 INFO L93 Difference]: Finished difference Result 106 states and 119 transitions. [2023-12-20 00:02:34,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-12-20 00:02:34,183 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 38 states have (on average 1.631578947368421) internal successors, (62), 43 states have internal predecessors, (62), 13 states have call successors, (14), 6 states have call predecessors, (14), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) Word has length 45 [2023-12-20 00:02:34,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-20 00:02:34,184 INFO L225 Difference]: With dead ends: 106 [2023-12-20 00:02:34,184 INFO L226 Difference]: Without dead ends: 86 [2023-12-20 00:02:34,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2511 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=1196, Invalid=11014, Unknown=0, NotChecked=0, Total=12210 [2023-12-20 00:02:34,187 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 263 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 1489 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 1489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-20 00:02:34,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 155 Invalid, 1646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 1489 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-20 00:02:34,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-12-20 00:02:34,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 56. [2023-12-20 00:02:34,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.175) internal successors, (47), 41 states have internal predecessors, (47), 9 states have call successors, (9), 8 states have call predecessors, (9), 6 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-20 00:02:34,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2023-12-20 00:02:34,203 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 63 transitions. Word has length 45 [2023-12-20 00:02:34,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-20 00:02:34,204 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 63 transitions. [2023-12-20 00:02:34,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 38 states have (on average 1.631578947368421) internal successors, (62), 43 states have internal predecessors, (62), 13 states have call successors, (14), 6 states have call predecessors, (14), 10 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-12-20 00:02:34,204 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2023-12-20 00:02:34,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-20 00:02:34,210 INFO L187 NwaCegarLoop]: Found error trace [2023-12-20 00:02:34,210 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-20 00:02:34,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-20 00:02:34,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 00:02:34,415 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION === [func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-20 00:02:34,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-20 00:02:34,415 INFO L85 PathProgramCache]: Analyzing trace with hash -973060442, now seen corresponding path program 4 times [2023-12-20 00:02:34,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-20 00:02:34,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500520894] [2023-12-20 00:02:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-20 00:02:34,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-20 00:02:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:35,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-12-20 00:02:35,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:35,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:35,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:35,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:36,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:36,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:36,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-12-20 00:02:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-20 00:02:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-20 00:02:36,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-20 00:02:36,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500520894] [2023-12-20 00:02:36,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500520894] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-20 00:02:36,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [457635915] [2023-12-20 00:02:36,558 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-12-20 00:02:36,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 00:02:36,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-20 00:02:36,568 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-20 00:02:36,575 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-20 00:02:36,721 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-12-20 00:02:36,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-20 00:02:36,725 WARN L260 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 187 conjunts are in the unsatisfiable core [2023-12-20 00:02:36,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-20 00:02:36,734 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 11 treesize of output 7 [2023-12-20 00:02:37,120 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 35 treesize of output 1 [2023-12-20 00:02:37,369 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52 [2023-12-20 00:02:37,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52 [2023-12-20 00:02:37,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 52 [2023-12-20 00:02:37,776 WARN L876 $PredicateComparison]: unable to prove that (exists ((v_z_72 Int) (|func_to_recursive_line_38_to_41_0_~array#1.offset| Int)) (let ((.cse1 (+ |func_to_recursive_line_38_to_41_0_~array#1.offset| (* v_z_72 4)))) (let ((.cse0 (select (select |c_#memory_int#1| |c_func_to_recursive_line_38_to_41_0_#in~array#1.base|) .cse1))) (and (<= |func_to_recursive_line_38_to_41_0_~array#1.offset| |c_func_to_recursive_line_38_to_41_0_#in~array#1.offset|) (<= v_z_72 9999) (<= (+ v_z_72 1) (mod .cse0 4294967296)) (= |c_#memory_int#1| (store |c_old(#memory_int#1)| |c_func_to_recursive_line_38_to_41_0_#in~array#1.base| (store (select |c_old(#memory_int#1)| |c_func_to_recursive_line_38_to_41_0_#in~array#1.base|) .cse1 .cse0))) (<= 0 v_z_72))))) is different from true [2023-12-20 00:02:53,927 INFO L349 Elim1Store]: treesize reduction 816, result has 30.4 percent of original size [2023-12-20 00:02:53,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 5 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 6 new quantified variables, introduced 10 case distinctions, treesize of input 605 treesize of output 946 [2023-12-20 00:02:58,699 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:02:58,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:02:58,780 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:02:58,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:02:58,836 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:02:58,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:02:58,920 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:02:58,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:02:59,005 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:02:59,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:02:59,062 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:02:59,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:02:59,218 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:02:59,218 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:02:59,254 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:02:59,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:02:59,506 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:02:59,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:02:59,611 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:02:59,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:02:59,900 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:02:59,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:02:59,960 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:02:59,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:00,045 INFO L349 Elim1Store]: treesize reduction 24, result has 60.7 percent of original size [2023-12-20 00:03:00,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 62 [2023-12-20 00:03:00,191 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:00,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:00,275 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:00,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:00,409 INFO L349 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2023-12-20 00:03:00,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 26 [2023-12-20 00:03:00,477 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:00,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:00,608 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:00,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:00,699 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:00,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:00,781 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:00,781 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:01,048 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:01,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:01,210 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:01,210 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:01,364 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:01,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:01,549 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:01,549 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:01,626 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:01,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:01,758 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:01,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:01,821 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:01,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:01,921 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:01,922 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:02,010 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:02,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:02,373 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:02,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:02,533 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:02,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:05,859 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:05,859 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:05,890 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:05,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:06,088 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:06,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:06,194 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:06,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:06,242 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:06,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:06,316 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:06,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:06,340 INFO L349 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2023-12-20 00:03:06,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 26 [2023-12-20 00:03:06,502 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:06,503 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:06,647 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:06,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:06,734 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:06,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:06,932 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:06,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:07,046 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:07,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:07,115 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:07,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:07,188 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:07,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:07,262 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:07,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:07,326 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:07,327 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:07,424 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:07,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:07,688 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:07,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:07,753 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:07,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:07,835 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:07,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:07,912 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:07,912 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:07,947 INFO L349 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2023-12-20 00:03:07,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 26 [2023-12-20 00:03:08,076 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:08,077 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:08,179 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:08,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:08,341 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:08,342 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:08,423 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:08,423 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:08,451 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:08,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:08,498 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:08,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:08,625 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:08,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:08,715 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:08,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:08,803 INFO L349 Elim1Store]: treesize reduction 16, result has 73.8 percent of original size [2023-12-20 00:03:08,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 70 [2023-12-20 00:03:08,927 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:08,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:09,045 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:09,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 29 [2023-12-20 00:03:09,091 INFO L349 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2023-12-20 00:03:09,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 26 [2023-12-20 00:03:09,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2023-12-20 00:03:09,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-12-20 00:03:09,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2023-12-20 00:03:09,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-12-20 00:03:09,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2023-12-20 00:03:09,364 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-12-20 00:03:09,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2023-12-20 00:03:09,416 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-12-20 00:03:09,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2023-12-20 00:03:09,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-12-20 00:03:09,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2023-12-20 00:03:09,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-12-20 00:03:09,589 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2023-12-20 00:03:09,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-12-20 00:03:09,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 38 [2023-12-20 00:03:09,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2023-12-20 00:03:09,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2023-12-20 00:03:09,750 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-20 00:03:09,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 37 [2023-12-20 00:03:09,812 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2023-12-20 00:03:09,827 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:09,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 15 [2023-12-20 00:03:09,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2023-12-20 00:03:09,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-20 00:03:09,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 37 [2023-12-20 00:03:10,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2023-12-20 00:03:10,063 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-20 00:03:10,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 37 [2023-12-20 00:03:10,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 41 [2023-12-20 00:03:10,166 INFO L349 Elim1Store]: treesize reduction 21, result has 4.5 percent of original size [2023-12-20 00:03:10,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 15 [2023-12-20 00:03:13,960 INFO L349 Elim1Store]: treesize reduction 22, result has 91.9 percent of original size [2023-12-20 00:03:13,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 439 treesize of output 645 [2023-12-20 00:05:29,766 WARN L293 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 490 DAG size of output: 507 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 00:07:11,028 WARN L293 SmtUtils]: Spent 21.20s on a formula simplification. DAG size of input: 1071 DAG size of output: 1071 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 00:07:55,858 INFO L349 Elim1Store]: treesize reduction 60, result has 1.6 percent of original size [2023-12-20 00:07:55,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 64 treesize of output 40 [2023-12-20 00:07:56,151 INFO L349 Elim1Store]: treesize reduction 114, result has 0.9 percent of original size [2023-12-20 00:07:56,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 37 [2023-12-20 00:07:56,173 INFO L349 Elim1Store]: treesize reduction 114, result has 0.9 percent of original size [2023-12-20 00:07:56,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 37 [2023-12-20 00:07:56,274 INFO L349 Elim1Store]: treesize reduction 48, result has 58.3 percent of original size [2023-12-20 00:07:56,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 103 [2023-12-20 00:07:56,361 INFO L349 Elim1Store]: treesize reduction 114, result has 0.9 percent of original size [2023-12-20 00:07:56,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 67 treesize of output 37 [2023-12-20 00:07:56,577 INFO L349 Elim1Store]: treesize reduction 22, result has 91.9 percent of original size [2023-12-20 00:07:56,577 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 439 treesize of output 645 [2023-12-20 00:11:56,025 WARN L293 SmtUtils]: Spent 11.86s on a formula simplification. DAG size of input: 704 DAG size of output: 741 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-20 00:14:50,377 WARN L293 SmtUtils]: Spent 28.49s on a formula simplification. DAG size of input: 878 DAG size of output: 879 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-12-20 00:16:02,844 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-20 00:16:02,849 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 [2023-12-20 00:16:02,852 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location func_to_recursive_line_44_to_45_0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-20 00:16:02,875 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-20 00:16:03,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-20 00:16:03,059 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 53 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-16-3-1 context. [2023-12-20 00:16:03,062 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-12-20 00:16:03,064 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-20 00:16:03,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.12 12:16:03 BoogieIcfgContainer [2023-12-20 00:16:03,065 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-20 00:16:03,066 INFO L158 Benchmark]: Toolchain (without parser) took 850357.06ms. Allocated memory was 230.7MB in the beginning and 830.5MB in the end (delta: 599.8MB). Free memory was 190.1MB in the beginning and 467.1MB in the end (delta: -277.0MB). Peak memory consumption was 509.0MB. Max. memory is 8.0GB. [2023-12-20 00:16:03,066 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-20 00:16:03,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.20ms. Allocated memory is still 230.7MB. Free memory was 189.6MB in the beginning and 178.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-20 00:16:03,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.23ms. Allocated memory is still 230.7MB. Free memory was 178.6MB in the beginning and 177.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 00:16:03,066 INFO L158 Benchmark]: Boogie Preprocessor took 32.19ms. Allocated memory is still 230.7MB. Free memory was 177.0MB in the beginning and 174.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-20 00:16:03,066 INFO L158 Benchmark]: RCFGBuilder took 368.63ms. Allocated memory is still 230.7MB. Free memory was 174.9MB in the beginning and 161.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-12-20 00:16:03,067 INFO L158 Benchmark]: TraceAbstraction took 849686.99ms. Allocated memory was 230.7MB in the beginning and 830.5MB in the end (delta: 599.8MB). Free memory was 160.8MB in the beginning and 467.1MB in the end (delta: -306.3MB). Peak memory consumption was 479.6MB. Max. memory is 8.0GB. [2023-12-20 00:16:03,067 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 191.9MB. Free memory is still 140.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 234.20ms. Allocated memory is still 230.7MB. Free memory was 189.6MB in the beginning and 178.6MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.23ms. Allocated memory is still 230.7MB. Free memory was 178.6MB in the beginning and 177.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.19ms. Allocated memory is still 230.7MB. Free memory was 177.0MB in the beginning and 174.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 368.63ms. Allocated memory is still 230.7MB. Free memory was 174.9MB in the beginning and 161.3MB in the end (delta: 13.6MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 849686.99ms. Allocated memory was 230.7MB in the beginning and 830.5MB in the end (delta: 599.8MB). Free memory was 160.8MB in the beginning and 467.1MB in the end (delta: -306.3MB). Peak memory consumption was 479.6MB. 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: 50]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 50). Cancelled while NwaCegarLoop was analyzing trace of length 53 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-16-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 849.6s, OverallIterations: 6, TraceHistogramMax: 6, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 14.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 581 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 581 mSDsluCounter, 453 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 69 IncrementalHoareTripleChecker+Unchecked, 402 mSDsCounter, 330 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4214 IncrementalHoareTripleChecker+Invalid, 4620 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 330 mSolverCounterUnsat, 51 mSDtfsCounter, 4214 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 411 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 330 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5596 ImplicationChecksByTransitivity, 20.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=5, InterpolantAutomatonStates: 164, 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, 5 MinimizatonAttempts, 65 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 24.2s InterpolantComputationTime, 278 NumberOfCodeBlocks, 278 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 287 ConstructedInterpolants, 20 QuantifiedInterpolants, 6229 SizeOfPredicates, 150 NumberOfNonLiveVariables, 932 ConjunctsInSsa, 528 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 61/242 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