/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 02:06:04,025 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 02:06:04,081 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 02:06:04,085 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 02:06:04,085 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 02:06:04,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 02:06:04,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 02:06:04,099 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 02:06:04,099 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 02:06:04,100 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 02:06:04,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 02:06:04,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 02:06:04,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 02:06:04,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 02:06:04,101 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 02:06:04,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 02:06:04,102 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 02:06:04,102 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 02:06:04,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 02:06:04,102 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 02:06:04,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 02:06:04,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 02:06:04,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 02:06:04,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 02:06:04,109 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 02:06:04,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 02:06:04,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 02:06:04,111 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 02:06:04,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 02:06:04,111 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 02:06:04,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 02:06:04,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 02:06:04,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 02:06:04,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 02:06:04,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 02:06:04,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 02:06:04,113 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 02:06:04,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 02:06:04,113 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 02:06:04,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 02:06:04,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 02:06:04,114 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 02:06:04,114 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 02:06:04,114 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 02:06:04,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 02:06:04,305 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 02:06:04,306 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 02:06:04,307 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 02:06:04,312 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 02:06:04,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i [2023-12-21 02:06:05,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 02:06:05,397 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 02:06:05,397 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i [2023-12-21 02:06:05,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae5faad68/73ca214c1c2441caa9b12264da673a9f/FLAG9ed9fa748 [2023-12-21 02:06:05,411 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae5faad68/73ca214c1c2441caa9b12264da673a9f [2023-12-21 02:06:05,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 02:06:05,414 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 02:06:05,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 02:06:05,420 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 02:06:05,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 02:06:05,423 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,424 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bca8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05, skipping insertion in model container [2023-12-21 02:06:05,424 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,452 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 02:06:05,550 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i[917,930] [2023-12-21 02:06:05,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 02:06:05,595 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 02:06:05,603 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-ap_file-87.i[917,930] [2023-12-21 02:06:05,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 02:06:05,639 INFO L206 MainTranslator]: Completed translation [2023-12-21 02:06:05,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05 WrapperNode [2023-12-21 02:06:05,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 02:06:05,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 02:06:05,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 02:06:05,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 02:06:05,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,653 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,678 INFO L138 Inliner]: procedures = 26, calls = 148, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 426 [2023-12-21 02:06:05,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 02:06:05,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 02:06:05,679 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 02:06:05,679 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 02:06:05,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,692 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,712 INFO L175 MemorySlicer]: Split 119 memory accesses to 5 slices as follows [2, 11, 57, 13, 36]. 48 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 2, 5, 2, 4]. The 17 writes are split as follows [0, 2, 7, 4, 4]. [2023-12-21 02:06:05,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,765 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 02:06:05,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 02:06:05,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 02:06:05,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 02:06:05,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (1/1) ... [2023-12-21 02:06:05,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 02:06:05,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:05,818 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) [2023-12-21 02:06:05,837 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 [2023-12-21 02:06:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 02:06:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-21 02:06:05,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-21 02:06:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-12-21 02:06:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2023-12-21 02:06:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2023-12-21 02:06:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-21 02:06:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-21 02:06:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-12-21 02:06:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2023-12-21 02:06:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2023-12-21 02:06:05,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-21 02:06:05,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-21 02:06:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 02:06:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 02:06:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-12-21 02:06:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-12-21 02:06:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2023-12-21 02:06:05,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 02:06:05,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 02:06:05,931 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 02:06:05,933 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 02:06:06,194 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 02:06:06,237 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 02:06:06,237 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 02:06:06,238 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:06:06 BoogieIcfgContainer [2023-12-21 02:06:06,238 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 02:06:06,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 02:06:06,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 02:06:06,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 02:06:06,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 02:06:05" (1/3) ... [2023-12-21 02:06:06,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ba4408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:06:06, skipping insertion in model container [2023-12-21 02:06:06,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:06:05" (2/3) ... [2023-12-21 02:06:06,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68ba4408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:06:06, skipping insertion in model container [2023-12-21 02:06:06,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:06:06" (3/3) ... [2023-12-21 02:06:06,247 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-ap_file-87.i [2023-12-21 02:06:06,259 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 02:06:06,259 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 02:06:06,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 02:06:06,298 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;@32d64074, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 02:06:06,298 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 02:06:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 64 states have internal predecessors, (89), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 02:06:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-21 02:06:06,315 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:06:06,316 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:06:06,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:06:06,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:06:06,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1048281815, now seen corresponding path program 1 times [2023-12-21 02:06:06,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:06:06,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805521991] [2023-12-21 02:06:06,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:06,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:06:06,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:06,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:06:06,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805521991] [2023-12-21 02:06:06,512 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 02:06:06,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878116234] [2023-12-21 02:06:06,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:06,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:06,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:06,518 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) [2023-12-21 02:06:06,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 02:06:06,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:06,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 02:06:06,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:06:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2023-12-21 02:06:06,762 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:06:06,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878116234] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:06:06,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:06:06,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 02:06:06,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613136238] [2023-12-21 02:06:06,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:06:06,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 02:06:06,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:06:06,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 02:06:06,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 02:06:06,793 INFO L87 Difference]: Start difference. First operand has 80 states, 63 states have (on average 1.4126984126984128) internal successors, (89), 64 states have internal predecessors, (89), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-21 02:06:06,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:06:06,836 INFO L93 Difference]: Finished difference Result 157 states and 246 transitions. [2023-12-21 02:06:06,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 02:06:06,837 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 106 [2023-12-21 02:06:06,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:06:06,856 INFO L225 Difference]: With dead ends: 157 [2023-12-21 02:06:06,857 INFO L226 Difference]: Without dead ends: 78 [2023-12-21 02:06:06,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 02:06:06,861 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 02:06:06,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 02:06:06,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2023-12-21 02:06:06,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2023-12-21 02:06:06,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 62 states have internal predecessors, (82), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 02:06:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2023-12-21 02:06:06,900 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 106 [2023-12-21 02:06:06,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:06:06,900 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2023-12-21 02:06:06,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2023-12-21 02:06:06,901 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2023-12-21 02:06:06,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-21 02:06:06,908 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:06:06,909 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:06:06,914 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 02:06:07,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-21 02:06:07,113 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:06:07,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:06:07,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1066144699, now seen corresponding path program 1 times [2023-12-21 02:06:07,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:06:07,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115922869] [2023-12-21 02:06:07,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:07,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:06:07,182 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:06:07,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1087853673] [2023-12-21 02:06:07,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:07,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:07,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:07,187 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) [2023-12-21 02:06:07,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 02:06:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:07,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 407 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 02:06:07,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:06:07,376 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:06:07,377 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:06:07,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:06:07,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115922869] [2023-12-21 02:06:07,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:06:07,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087853673] [2023-12-21 02:06:07,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087853673] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:06:07,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:06:07,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 02:06:07,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466285828] [2023-12-21 02:06:07,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:06:07,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 02:06:07,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:06:07,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 02:06:07,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 02:06:07,380 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:07,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:06:07,439 INFO L93 Difference]: Finished difference Result 167 states and 236 transitions. [2023-12-21 02:06:07,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 02:06:07,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2023-12-21 02:06:07,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:06:07,442 INFO L225 Difference]: With dead ends: 167 [2023-12-21 02:06:07,442 INFO L226 Difference]: Without dead ends: 90 [2023-12-21 02:06:07,445 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 02:06:07,446 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 21 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 02:06:07,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 309 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 02:06:07,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2023-12-21 02:06:07,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 80. [2023-12-21 02:06:07,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 64 states have (on average 1.3125) internal successors, (84), 64 states have internal predecessors, (84), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 02:06:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 112 transitions. [2023-12-21 02:06:07,458 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 112 transitions. Word has length 106 [2023-12-21 02:06:07,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:06:07,459 INFO L495 AbstractCegarLoop]: Abstraction has 80 states and 112 transitions. [2023-12-21 02:06:07,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:07,460 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2023-12-21 02:06:07,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-21 02:06:07,461 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:06:07,461 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:06:07,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 02:06:07,661 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,SelfDestructingSolverStorable1 [2023-12-21 02:06:07,662 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:06:07,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:06:07,662 INFO L85 PathProgramCache]: Analyzing trace with hash 256798073, now seen corresponding path program 1 times [2023-12-21 02:06:07,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:06:07,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813941840] [2023-12-21 02:06:07,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:07,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:06:07,709 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:06:07,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [326515299] [2023-12-21 02:06:07,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:07,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:07,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:07,718 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) [2023-12-21 02:06:07,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 02:06:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:07,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 02:06:07,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:06:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:06:07,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:06:07,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:06:07,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813941840] [2023-12-21 02:06:07,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:06:07,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326515299] [2023-12-21 02:06:07,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [326515299] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:06:07,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:06:07,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 02:06:07,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321707388] [2023-12-21 02:06:07,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:06:07,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 02:06:07,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:06:07,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 02:06:07,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 02:06:07,889 INFO L87 Difference]: Start difference. First operand 80 states and 112 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:07,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:06:07,917 INFO L93 Difference]: Finished difference Result 167 states and 234 transitions. [2023-12-21 02:06:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 02:06:07,917 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2023-12-21 02:06:07,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:06:07,918 INFO L225 Difference]: With dead ends: 167 [2023-12-21 02:06:07,918 INFO L226 Difference]: Without dead ends: 88 [2023-12-21 02:06:07,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 02:06:07,919 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 12 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 02:06:07,919 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 307 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 02:06:07,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-21 02:06:07,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 82. [2023-12-21 02:06:07,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 66 states have (on average 1.303030303030303) internal successors, (86), 66 states have internal predecessors, (86), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 02:06:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 114 transitions. [2023-12-21 02:06:07,924 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 114 transitions. Word has length 106 [2023-12-21 02:06:07,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:06:07,925 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 114 transitions. [2023-12-21 02:06:07,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:07,925 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2023-12-21 02:06:07,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-21 02:06:07,926 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:06:07,926 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:06:07,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-21 02:06:08,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:08,151 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:06:08,151 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:06:08,151 INFO L85 PathProgramCache]: Analyzing trace with hash 314056375, now seen corresponding path program 1 times [2023-12-21 02:06:08,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:06:08,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3636659] [2023-12-21 02:06:08,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:08,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:06:08,192 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:06:08,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1302626140] [2023-12-21 02:06:08,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:08,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:08,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:08,195 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) [2023-12-21 02:06:08,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 02:06:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:08,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 02:06:08,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:06:08,353 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:06:08,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:06:08,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:06:08,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3636659] [2023-12-21 02:06:08,353 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:06:08,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302626140] [2023-12-21 02:06:08,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302626140] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:06:08,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:06:08,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 02:06:08,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322021351] [2023-12-21 02:06:08,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:06:08,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 02:06:08,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:06:08,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 02:06:08,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 02:06:08,357 INFO L87 Difference]: Start difference. First operand 82 states and 114 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:08,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:06:08,406 INFO L93 Difference]: Finished difference Result 167 states and 232 transitions. [2023-12-21 02:06:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 02:06:08,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2023-12-21 02:06:08,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:06:08,410 INFO L225 Difference]: With dead ends: 167 [2023-12-21 02:06:08,410 INFO L226 Difference]: Without dead ends: 86 [2023-12-21 02:06:08,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 02:06:08,412 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 3 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 02:06:08,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 307 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 02:06:08,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-12-21 02:06:08,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 84. [2023-12-21 02:06:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 68 states have (on average 1.2941176470588236) internal successors, (88), 68 states have internal predecessors, (88), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 02:06:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 116 transitions. [2023-12-21 02:06:08,428 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 116 transitions. Word has length 106 [2023-12-21 02:06:08,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:06:08,428 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 116 transitions. [2023-12-21 02:06:08,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:08,429 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2023-12-21 02:06:08,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-21 02:06:08,429 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:06:08,430 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:06:08,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 02:06:08,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:08,630 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:06:08,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:06:08,631 INFO L85 PathProgramCache]: Analyzing trace with hash 314115957, now seen corresponding path program 1 times [2023-12-21 02:06:08,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:06:08,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471814070] [2023-12-21 02:06:08,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:08,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:06:08,658 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:06:08,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [845741476] [2023-12-21 02:06:08,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:08,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:08,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:08,660 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) [2023-12-21 02:06:08,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 02:06:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:08,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 02:06:08,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:06:08,814 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:06:08,814 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:06:08,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:06:08,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471814070] [2023-12-21 02:06:08,814 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:06:08,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845741476] [2023-12-21 02:06:08,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845741476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:06:08,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:06:08,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 02:06:08,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708549173] [2023-12-21 02:06:08,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:06:08,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 02:06:08,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:06:08,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 02:06:08,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 02:06:08,817 INFO L87 Difference]: Start difference. First operand 84 states and 116 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:08,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:06:08,848 INFO L93 Difference]: Finished difference Result 196 states and 271 transitions. [2023-12-21 02:06:08,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 02:06:08,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 106 [2023-12-21 02:06:08,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:06:08,850 INFO L225 Difference]: With dead ends: 196 [2023-12-21 02:06:08,850 INFO L226 Difference]: Without dead ends: 113 [2023-12-21 02:06:08,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-21 02:06:08,851 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 55 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 02:06:08,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 295 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 02:06:08,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-21 02:06:08,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 86. [2023-12-21 02:06:08,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 70 states have (on average 1.2857142857142858) internal successors, (90), 70 states have internal predecessors, (90), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-21 02:06:08,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 118 transitions. [2023-12-21 02:06:08,864 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 118 transitions. Word has length 106 [2023-12-21 02:06:08,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:06:08,866 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 118 transitions. [2023-12-21 02:06:08,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2023-12-21 02:06:08,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-21 02:06:08,867 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:06:08,867 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:06:08,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 02:06:09,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:09,077 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:06:09,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:06:09,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1026018449, now seen corresponding path program 1 times [2023-12-21 02:06:09,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:06:09,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190986960] [2023-12-21 02:06:09,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:09,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:06:09,107 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:06:09,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [136731322] [2023-12-21 02:06:09,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:09,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:09,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:09,114 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:06:09,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-21 02:06:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:09,246 INFO L262 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-21 02:06:09,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:06:09,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:06:09,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2023-12-21 02:06:09,619 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:06:09,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:06:09,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:06:09,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190986960] [2023-12-21 02:06:09,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:06:09,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136731322] [2023-12-21 02:06:09,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [136731322] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:06:09,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:06:09,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 02:06:09,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772100682] [2023-12-21 02:06:09,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:06:09,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 02:06:09,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:06:09,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 02:06:09,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-21 02:06:09,621 INFO L87 Difference]: Start difference. First operand 86 states and 118 transitions. Second operand has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:10,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:06:10,028 INFO L93 Difference]: Finished difference Result 285 states and 386 transitions. [2023-12-21 02:06:10,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-21 02:06:10,028 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 108 [2023-12-21 02:06:10,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:06:10,030 INFO L225 Difference]: With dead ends: 285 [2023-12-21 02:06:10,030 INFO L226 Difference]: Without dead ends: 200 [2023-12-21 02:06:10,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=206, Unknown=0, NotChecked=0, Total=306 [2023-12-21 02:06:10,031 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 301 mSDsluCounter, 422 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 02:06:10,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 514 Invalid, 415 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 02:06:10,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2023-12-21 02:06:10,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 137. [2023-12-21 02:06:10,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.2966101694915255) internal successors, (153), 119 states have internal predecessors, (153), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-21 02:06:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 185 transitions. [2023-12-21 02:06:10,038 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 185 transitions. Word has length 108 [2023-12-21 02:06:10,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:06:10,038 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 185 transitions. [2023-12-21 02:06:10,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.555555555555555) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:10,038 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 185 transitions. [2023-12-21 02:06:10,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-21 02:06:10,044 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:06:10,044 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:06:10,049 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-21 02:06:10,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:10,252 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:06:10,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:06:10,252 INFO L85 PathProgramCache]: Analyzing trace with hash 291343612, now seen corresponding path program 1 times [2023-12-21 02:06:10,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:06:10,253 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231110718] [2023-12-21 02:06:10,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:10,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:06:10,281 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:06:10,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1544402938] [2023-12-21 02:06:10,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:10,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:10,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:10,283 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:06:10,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-21 02:06:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:10,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-21 02:06:10,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:06:10,438 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 17 treesize of output 9 [2023-12-21 02:06:10,446 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:06:10,446 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:06:10,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:06:10,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231110718] [2023-12-21 02:06:10,449 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:06:10,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544402938] [2023-12-21 02:06:10,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544402938] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:06:10,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:06:10,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 02:06:10,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141745195] [2023-12-21 02:06:10,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:06:10,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 02:06:10,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:06:10,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 02:06:10,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 02:06:10,453 INFO L87 Difference]: Start difference. First operand 137 states and 185 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:10,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:06:10,492 INFO L93 Difference]: Finished difference Result 416 states and 563 transitions. [2023-12-21 02:06:10,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 02:06:10,492 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 108 [2023-12-21 02:06:10,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:06:10,494 INFO L225 Difference]: With dead ends: 416 [2023-12-21 02:06:10,495 INFO L226 Difference]: Without dead ends: 280 [2023-12-21 02:06:10,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-21 02:06:10,496 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 116 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 02:06:10,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 410 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 02:06:10,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-12-21 02:06:10,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 154. [2023-12-21 02:06:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 135 states have (on average 1.3185185185185184) internal successors, (178), 136 states have internal predecessors, (178), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-21 02:06:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 210 transitions. [2023-12-21 02:06:10,504 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 210 transitions. Word has length 108 [2023-12-21 02:06:10,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:06:10,504 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 210 transitions. [2023-12-21 02:06:10,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:06:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 210 transitions. [2023-12-21 02:06:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-21 02:06:10,505 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:06:10,505 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:06:10,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-21 02:06:10,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:10,712 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:06:10,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:06:10,712 INFO L85 PathProgramCache]: Analyzing trace with hash 824266560, now seen corresponding path program 1 times [2023-12-21 02:06:10,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:06:10,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371285264] [2023-12-21 02:06:10,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:10,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:06:10,728 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:06:10,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [92842105] [2023-12-21 02:06:10,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:10,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:10,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:10,730 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:06:10,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-21 02:06:10,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:10,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-21 02:06:10,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:06:10,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-21 02:06:11,312 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-12-21 02:06:11,312 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 25 treesize of output 20 [2023-12-21 02:06:11,347 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-21 02:06:11,347 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 28 treesize of output 12 [2023-12-21 02:06:11,356 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 13 proven. 39 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-12-21 02:06:11,357 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:06:11,541 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 36 treesize of output 32 [2023-12-21 02:06:11,564 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-21 02:06:11,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:06:11,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371285264] [2023-12-21 02:06:11,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:06:11,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [92842105] [2023-12-21 02:06:11,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [92842105] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 02:06:11,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 02:06:11,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2023-12-21 02:06:11,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999972510] [2023-12-21 02:06:11,565 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 02:06:11,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-21 02:06:11,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:06:11,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-21 02:06:11,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2023-12-21 02:06:11,566 INFO L87 Difference]: Start difference. First operand 154 states and 210 transitions. Second operand has 16 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-21 02:06:11,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:06:11,873 INFO L93 Difference]: Finished difference Result 314 states and 424 transitions. [2023-12-21 02:06:11,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-21 02:06:11,874 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 109 [2023-12-21 02:06:11,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:06:11,875 INFO L225 Difference]: With dead ends: 314 [2023-12-21 02:06:11,875 INFO L226 Difference]: Without dead ends: 144 [2023-12-21 02:06:11,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 202 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=529, Unknown=0, NotChecked=0, Total=702 [2023-12-21 02:06:11,876 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 355 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 212 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 02:06:11,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 376 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 02:06:11,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-21 02:06:11,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2023-12-21 02:06:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 120 states have (on average 1.2666666666666666) internal successors, (152), 121 states have internal predecessors, (152), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 15 states have call predecessors, (16), 16 states have call successors, (16) [2023-12-21 02:06:11,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2023-12-21 02:06:11,882 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 184 transitions. Word has length 109 [2023-12-21 02:06:11,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:06:11,883 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 184 transitions. [2023-12-21 02:06:11,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 5.285714285714286) internal successors, (74), 15 states have internal predecessors, (74), 4 states have call successors, (28), 3 states have call predecessors, (28), 4 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2023-12-21 02:06:11,883 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2023-12-21 02:06:11,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-21 02:06:11,884 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:06:11,884 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:06:11,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-21 02:06:12,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-21 02:06:12,093 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:06:12,093 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:06:12,093 INFO L85 PathProgramCache]: Analyzing trace with hash 9678403, now seen corresponding path program 1 times [2023-12-21 02:06:12,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:06:12,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422151671] [2023-12-21 02:06:12,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:12,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:06:12,110 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:06:12,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1997006062] [2023-12-21 02:06:12,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:06:12,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:06:12,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:06:12,111 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:06:12,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-21 02:06:12,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:06:12,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-21 02:06:12,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:06:12,280 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 9 treesize of output 3 [2023-12-21 02:06:12,988 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 8 treesize of output 1 [2023-12-21 02:06:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:06:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:06:13,044 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-21 02:06:13,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2023-12-21 02:06:13,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:06:13,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:06:13,199 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 02:06:13,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 22 [2023-12-21 02:06:13,225 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-21 02:06:13,225 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:06:13,486 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2023-12-21 02:06:13,487 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 14066 treesize of output 12246 [2023-12-21 02:06:13,546 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 02:06:13,547 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 1474 treesize of output 1314 [2023-12-21 02:06:14,052 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 346 treesize of output 326 [2023-12-21 02:06:29,068 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 02:06:29,069 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 368 treesize of output 330 [2023-12-21 02:06:31,350 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-21 02:06:32,647 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-21 02:06:35,015 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-21 02:06:59,185 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 02:07:11,230 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 02:07:19,254 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 02:07:31,372 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 02:07:55,470 WARN L293 SmtUtils]: Spent 8.04s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 02:08:15,595 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-21 02:08:16,368 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-12-21 02:08:17,640 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:17,643 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 66 treesize of output 56 [2023-12-21 02:08:17,718 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:17,721 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 83 treesize of output 71 [2023-12-21 02:08:17,838 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:17,840 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 33 treesize of output 27 [2023-12-21 02:08:17,845 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:17,848 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 75 treesize of output 65 [2023-12-21 02:08:17,937 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:17,939 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 73 treesize of output 63 [2023-12-21 02:08:18,014 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:18,017 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 58 treesize of output 50 [2023-12-21 02:08:18,065 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:18,068 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 48 [2023-12-21 02:08:18,121 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:18,124 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 48 [2023-12-21 02:08:18,169 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:18,171 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 64 treesize of output 54 [2023-12-21 02:08:18,251 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:18,254 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 54 treesize of output 46 [2023-12-21 02:08:18,302 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:18,305 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 41 treesize of output 33 [2023-12-21 02:08:18,316 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-21 02:08:18,318 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 31 treesize of output 25 [2023-12-21 02:08:18,364 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 85 treesize of output 75 [2023-12-21 02:08:18,383 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 192 treesize of output 182 [2023-12-21 02:08:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:23,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:23,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422151671] [2023-12-21 02:08:23,800 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:23,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997006062] [2023-12-21 02:08:23,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1997006062] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-21 02:08:23,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 02:08:23,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2023-12-21 02:08:23,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326962986] [2023-12-21 02:08:23,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:23,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-21 02:08:23,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:23,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-21 02:08:23,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2023-12-21 02:08:23,802 INFO L87 Difference]: Start difference. First operand 141 states and 184 transitions. Second operand has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:24,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:24,301 INFO L93 Difference]: Finished difference Result 310 states and 404 transitions. [2023-12-21 02:08:24,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 02:08:24,302 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 110 [2023-12-21 02:08:24,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:24,303 INFO L225 Difference]: With dead ends: 310 [2023-12-21 02:08:24,303 INFO L226 Difference]: Without dead ends: 170 [2023-12-21 02:08:24,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=113, Invalid=487, Unknown=0, NotChecked=0, Total=600 [2023-12-21 02:08:24,305 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 254 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 254 SdHoareTripleChecker+Valid, 533 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:24,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [254 Valid, 533 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-21 02:08:24,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2023-12-21 02:08:24,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 169. [2023-12-21 02:08:24,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 136 states have (on average 1.2205882352941178) internal successors, (166), 138 states have internal predecessors, (166), 26 states have call successors, (26), 6 states have call predecessors, (26), 6 states have return successors, (26), 24 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-21 02:08:24,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 218 transitions. [2023-12-21 02:08:24,322 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 218 transitions. Word has length 110 [2023-12-21 02:08:24,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:24,325 INFO L495 AbstractCegarLoop]: Abstraction has 169 states and 218 transitions. [2023-12-21 02:08:24,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.3) internal successors, (43), 10 states have internal predecessors, (43), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:24,325 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 218 transitions. [2023-12-21 02:08:24,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-21 02:08:24,326 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:24,327 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:24,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-21 02:08:24,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:24,530 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:24,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:24,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1284449440, now seen corresponding path program 1 times [2023-12-21 02:08:24,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:24,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839469101] [2023-12-21 02:08:24,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:24,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:24,555 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:24,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [308890227] [2023-12-21 02:08:24,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:24,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:24,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:24,559 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:24,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-21 02:08:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:24,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-21 02:08:24,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:25,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-21 02:08:25,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-21 02:08:25,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:08:25,872 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-21 02:08:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:08:25,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-21 02:08:25,924 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 17 treesize of output 9 [2023-12-21 02:08:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 96 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-21 02:08:25,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:08:26,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:26,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839469101] [2023-12-21 02:08:26,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:26,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308890227] [2023-12-21 02:08:26,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308890227] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 02:08:26,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-21 02:08:26,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-12-21 02:08:26,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900030630] [2023-12-21 02:08:26,038 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-21 02:08:26,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 02:08:26,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:26,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 02:08:26,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-12-21 02:08:26,039 INFO L87 Difference]: Start difference. First operand 169 states and 218 transitions. Second operand has 11 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-21 02:08:26,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:26,334 INFO L93 Difference]: Finished difference Result 268 states and 339 transitions. [2023-12-21 02:08:26,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 02:08:26,334 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 113 [2023-12-21 02:08:26,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:26,335 INFO L225 Difference]: With dead ends: 268 [2023-12-21 02:08:26,336 INFO L226 Difference]: Without dead ends: 124 [2023-12-21 02:08:26,336 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-12-21 02:08:26,336 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 254 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:26,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 260 Invalid, 297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 02:08:26,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-21 02:08:26,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 122. [2023-12-21 02:08:26,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 91 states have (on average 1.1428571428571428) internal successors, (104), 92 states have internal predecessors, (104), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:26,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 152 transitions. [2023-12-21 02:08:26,350 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 152 transitions. Word has length 113 [2023-12-21 02:08:26,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:26,350 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 152 transitions. [2023-12-21 02:08:26,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.2) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-21 02:08:26,350 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 152 transitions. [2023-12-21 02:08:26,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-21 02:08:26,351 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:26,351 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:26,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:26,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-21 02:08:26,557 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:26,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:26,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1761229587, now seen corresponding path program 1 times [2023-12-21 02:08:26,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:26,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218269968] [2023-12-21 02:08:26,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:26,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:26,583 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:26,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110682090] [2023-12-21 02:08:26,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:26,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:26,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:26,593 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:26,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-21 02:08:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:26,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 44 conjunts are in the unsatisfiable core [2023-12-21 02:08:26,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:27,436 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-21 02:08:27,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:08:27,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-12-21 02:08:27,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:08:27,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-12-21 02:08:27,586 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 49 treesize of output 37 [2023-12-21 02:08:27,599 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-21 02:08:27,599 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:08:27,738 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 108 treesize of output 88 [2023-12-21 02:08:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:27,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:27,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218269968] [2023-12-21 02:08:27,952 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:27,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110682090] [2023-12-21 02:08:27,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110682090] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-21 02:08:27,953 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 02:08:27,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2023-12-21 02:08:27,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974159004] [2023-12-21 02:08:27,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:27,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 02:08:27,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:27,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 02:08:27,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2023-12-21 02:08:27,955 INFO L87 Difference]: Start difference. First operand 122 states and 152 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:30,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2023-12-21 02:08:30,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:30,489 INFO L93 Difference]: Finished difference Result 126 states and 156 transitions. [2023-12-21 02:08:30,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 02:08:30,490 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-12-21 02:08:30,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:30,491 INFO L225 Difference]: With dead ends: 126 [2023-12-21 02:08:30,491 INFO L226 Difference]: Without dead ends: 124 [2023-12-21 02:08:30,492 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-12-21 02:08:30,492 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 110 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:30,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 212 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-21 02:08:30,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-21 02:08:30,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-12-21 02:08:30,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 93 states have (on average 1.1397849462365592) internal successors, (106), 94 states have internal predecessors, (106), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:30,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 154 transitions. [2023-12-21 02:08:30,508 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 154 transitions. Word has length 114 [2023-12-21 02:08:30,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:30,509 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 154 transitions. [2023-12-21 02:08:30,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:30,509 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 154 transitions. [2023-12-21 02:08:30,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-21 02:08:30,509 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:30,509 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:30,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:30,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-21 02:08:30,714 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:30,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:30,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1761289169, now seen corresponding path program 1 times [2023-12-21 02:08:30,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:30,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097693681] [2023-12-21 02:08:30,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:30,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:30,732 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:30,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [710621459] [2023-12-21 02:08:30,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:30,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:30,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:30,734 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:30,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-21 02:08:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:30,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-21 02:08:30,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:30,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-21 02:08:31,246 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 15 [2023-12-21 02:08:31,382 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 02:08:31,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 25 [2023-12-21 02:08:31,395 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-21 02:08:31,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:08:31,483 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:31,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:31,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097693681] [2023-12-21 02:08:31,483 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:31,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710621459] [2023-12-21 02:08:31,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710621459] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-21 02:08:31,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 02:08:31,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 10 [2023-12-21 02:08:31,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749613446] [2023-12-21 02:08:31,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:31,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 02:08:31,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:31,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 02:08:31,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-21 02:08:31,489 INFO L87 Difference]: Start difference. First operand 124 states and 154 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:31,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:31,543 INFO L93 Difference]: Finished difference Result 223 states and 274 transitions. [2023-12-21 02:08:31,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 02:08:31,543 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-12-21 02:08:31,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:31,544 INFO L225 Difference]: With dead ends: 223 [2023-12-21 02:08:31,544 INFO L226 Difference]: Without dead ends: 124 [2023-12-21 02:08:31,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2023-12-21 02:08:31,544 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 33 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:31,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 310 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 02:08:31,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-21 02:08:31,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2023-12-21 02:08:31,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 93 states have (on average 1.1290322580645162) internal successors, (105), 94 states have internal predecessors, (105), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:31,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 153 transitions. [2023-12-21 02:08:31,561 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 153 transitions. Word has length 114 [2023-12-21 02:08:31,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:31,562 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 153 transitions. [2023-12-21 02:08:31,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:31,562 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 153 transitions. [2023-12-21 02:08:31,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-21 02:08:31,562 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:31,563 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:31,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:31,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-21 02:08:31,768 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:31,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:31,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1818547471, now seen corresponding path program 1 times [2023-12-21 02:08:31,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:31,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457269986] [2023-12-21 02:08:31,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:31,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:31,790 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:31,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [557073864] [2023-12-21 02:08:31,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:31,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:31,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:31,791 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:31,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-21 02:08:31,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:31,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 33 conjunts are in the unsatisfiable core [2023-12-21 02:08:31,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:32,734 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 15 treesize of output 11 [2023-12-21 02:08:32,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:08:32,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-12-21 02:08:32,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-12-21 02:08:32,922 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:32,922 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:08:32,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:32,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457269986] [2023-12-21 02:08:32,922 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:32,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [557073864] [2023-12-21 02:08:32,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [557073864] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:08:32,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:08:32,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 02:08:32,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787343777] [2023-12-21 02:08:32,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:32,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 02:08:32,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:32,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 02:08:32,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-21 02:08:32,924 INFO L87 Difference]: Start difference. First operand 124 states and 153 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:33,079 INFO L93 Difference]: Finished difference Result 227 states and 275 transitions. [2023-12-21 02:08:33,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 02:08:33,079 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-12-21 02:08:33,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:33,080 INFO L225 Difference]: With dead ends: 227 [2023-12-21 02:08:33,080 INFO L226 Difference]: Without dead ends: 128 [2023-12-21 02:08:33,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2023-12-21 02:08:33,081 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 196 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:33,081 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 211 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 02:08:33,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2023-12-21 02:08:33,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2023-12-21 02:08:33,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 96 states have (on average 1.1145833333333333) internal successors, (107), 97 states have internal predecessors, (107), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:33,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 155 transitions. [2023-12-21 02:08:33,095 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 155 transitions. Word has length 114 [2023-12-21 02:08:33,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:33,096 INFO L495 AbstractCegarLoop]: Abstraction has 128 states and 155 transitions. [2023-12-21 02:08:33,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:33,096 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 155 transitions. [2023-12-21 02:08:33,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-21 02:08:33,096 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:33,097 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:33,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:33,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-21 02:08:33,303 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:33,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:33,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1009200845, now seen corresponding path program 1 times [2023-12-21 02:08:33,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:33,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409938238] [2023-12-21 02:08:33,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:33,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:33,323 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:33,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287459262] [2023-12-21 02:08:33,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:33,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:33,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:33,333 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:33,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-21 02:08:33,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:33,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 438 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-21 02:08:33,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:33,479 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-21 02:08:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:33,505 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:08:33,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:33,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409938238] [2023-12-21 02:08:33,505 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:33,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287459262] [2023-12-21 02:08:33,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287459262] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:08:33,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:08:33,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 02:08:33,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981639834] [2023-12-21 02:08:33,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:33,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 02:08:33,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:33,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 02:08:33,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 02:08:33,506 INFO L87 Difference]: Start difference. First operand 128 states and 155 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:33,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:33,614 INFO L93 Difference]: Finished difference Result 290 states and 345 transitions. [2023-12-21 02:08:33,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 02:08:33,614 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 114 [2023-12-21 02:08:33,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:33,615 INFO L225 Difference]: With dead ends: 290 [2023-12-21 02:08:33,615 INFO L226 Difference]: Without dead ends: 191 [2023-12-21 02:08:33,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-12-21 02:08:33,616 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 71 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:33,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 398 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 02:08:33,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2023-12-21 02:08:33,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 151. [2023-12-21 02:08:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 119 states have (on average 1.1428571428571428) internal successors, (136), 120 states have internal predecessors, (136), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:33,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 184 transitions. [2023-12-21 02:08:33,635 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 184 transitions. Word has length 114 [2023-12-21 02:08:33,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:33,635 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 184 transitions. [2023-12-21 02:08:33,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:33,635 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 184 transitions. [2023-12-21 02:08:33,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-12-21 02:08:33,636 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:33,636 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:33,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:33,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:33,842 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:33,842 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:33,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1668716682, now seen corresponding path program 1 times [2023-12-21 02:08:33,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:33,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283430790] [2023-12-21 02:08:33,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:33,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:33,857 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:33,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [420240133] [2023-12-21 02:08:33,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:33,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:33,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:33,858 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:33,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-21 02:08:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:34,035 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-21 02:08:34,038 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:34,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-21 02:08:34,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-21 02:08:35,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:08:35,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-21 02:08:35,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:08:35,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-12-21 02:08:35,205 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 17 treesize of output 9 [2023-12-21 02:08:35,215 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 33 proven. 96 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2023-12-21 02:08:35,215 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:08:35,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:35,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283430790] [2023-12-21 02:08:35,321 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:35,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420240133] [2023-12-21 02:08:35,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420240133] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 02:08:35,322 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-21 02:08:35,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2023-12-21 02:08:35,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559983490] [2023-12-21 02:08:35,322 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-21 02:08:35,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 02:08:35,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:35,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 02:08:35,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2023-12-21 02:08:35,324 INFO L87 Difference]: Start difference. First operand 151 states and 184 transitions. Second operand has 11 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-21 02:08:35,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:35,616 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2023-12-21 02:08:35,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 02:08:35,616 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 114 [2023-12-21 02:08:35,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:35,617 INFO L225 Difference]: With dead ends: 255 [2023-12-21 02:08:35,617 INFO L226 Difference]: Without dead ends: 133 [2023-12-21 02:08:35,617 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2023-12-21 02:08:35,618 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 139 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:35,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 195 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 02:08:35,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-12-21 02:08:35,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2023-12-21 02:08:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 99 states have (on average 1.0707070707070707) internal successors, (106), 100 states have internal predecessors, (106), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2023-12-21 02:08:35,633 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 114 [2023-12-21 02:08:35,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:35,633 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2023-12-21 02:08:35,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2023-12-21 02:08:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2023-12-21 02:08:35,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-12-21 02:08:35,634 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:35,634 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:35,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:35,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-21 02:08:35,838 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:35,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:35,839 INFO L85 PathProgramCache]: Analyzing trace with hash -170869145, now seen corresponding path program 1 times [2023-12-21 02:08:35,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:35,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325468685] [2023-12-21 02:08:35,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:35,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:35,854 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:35,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1659039256] [2023-12-21 02:08:35,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:35,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:35,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:35,856 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:35,860 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-21 02:08:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:36,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-21 02:08:36,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:36,172 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 02:08:36,172 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 32 treesize of output 28 [2023-12-21 02:08:36,180 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:36,180 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:08:36,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:36,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325468685] [2023-12-21 02:08:36,180 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:36,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1659039256] [2023-12-21 02:08:36,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1659039256] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:08:36,180 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:08:36,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 02:08:36,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724285508] [2023-12-21 02:08:36,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:36,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 02:08:36,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:36,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 02:08:36,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 02:08:36,181 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:36,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:36,374 INFO L93 Difference]: Finished difference Result 270 states and 311 transitions. [2023-12-21 02:08:36,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 02:08:36,375 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 115 [2023-12-21 02:08:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:36,376 INFO L225 Difference]: With dead ends: 270 [2023-12-21 02:08:36,376 INFO L226 Difference]: Without dead ends: 168 [2023-12-21 02:08:36,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-21 02:08:36,377 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 34 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:36,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 351 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 02:08:36,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-12-21 02:08:36,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 131. [2023-12-21 02:08:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 99 states have (on average 1.0606060606060606) internal successors, (105), 100 states have internal predecessors, (105), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2023-12-21 02:08:36,393 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 115 [2023-12-21 02:08:36,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:36,393 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2023-12-21 02:08:36,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2023-12-21 02:08:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-12-21 02:08:36,393 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:36,394 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:36,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:36,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-21 02:08:36,600 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:36,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:36,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1970213592, now seen corresponding path program 1 times [2023-12-21 02:08:36,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:36,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087121480] [2023-12-21 02:08:36,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:36,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:36,622 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:36,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [521061242] [2023-12-21 02:08:36,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:36,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:36,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:36,626 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:36,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-21 02:08:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:36,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 449 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-21 02:08:36,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:36,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 02:08:36,877 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 34 treesize of output 30 [2023-12-21 02:08:36,885 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:36,886 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:08:36,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:36,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087121480] [2023-12-21 02:08:36,886 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:36,886 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [521061242] [2023-12-21 02:08:36,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [521061242] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:08:36,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:08:36,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 02:08:36,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944397350] [2023-12-21 02:08:36,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:36,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 02:08:36,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:36,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 02:08:36,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 02:08:36,888 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:37,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:37,122 INFO L93 Difference]: Finished difference Result 241 states and 277 transitions. [2023-12-21 02:08:37,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 02:08:37,122 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 116 [2023-12-21 02:08:37,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:37,123 INFO L225 Difference]: With dead ends: 241 [2023-12-21 02:08:37,123 INFO L226 Difference]: Without dead ends: 139 [2023-12-21 02:08:37,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-21 02:08:37,124 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 20 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:37,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 278 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 02:08:37,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-12-21 02:08:37,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 131. [2023-12-21 02:08:37,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 99 states have (on average 1.0505050505050506) internal successors, (104), 100 states have internal predecessors, (104), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:37,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2023-12-21 02:08:37,139 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 116 [2023-12-21 02:08:37,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:37,139 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2023-12-21 02:08:37,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:37,140 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2023-12-21 02:08:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-21 02:08:37,140 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:37,140 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:37,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:37,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-21 02:08:37,343 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:37,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:37,343 INFO L85 PathProgramCache]: Analyzing trace with hash -2146107838, now seen corresponding path program 1 times [2023-12-21 02:08:37,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:37,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732671348] [2023-12-21 02:08:37,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:37,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:37,361 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:37,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1608719053] [2023-12-21 02:08:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:37,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:37,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:37,362 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:37,363 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-21 02:08:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:37,520 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-21 02:08:37,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:37,534 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 23 treesize of output 17 [2023-12-21 02:08:37,579 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 30 proven. 9 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2023-12-21 02:08:37,580 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:08:37,639 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:37,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:37,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732671348] [2023-12-21 02:08:37,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:37,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608719053] [2023-12-21 02:08:37,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608719053] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-21 02:08:37,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 02:08:37,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 11 [2023-12-21 02:08:37,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157354304] [2023-12-21 02:08:37,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:37,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 02:08:37,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:37,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 02:08:37,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-12-21 02:08:37,641 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:37,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:37,794 INFO L93 Difference]: Finished difference Result 286 states and 323 transitions. [2023-12-21 02:08:37,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 02:08:37,795 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-21 02:08:37,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:37,795 INFO L225 Difference]: With dead ends: 286 [2023-12-21 02:08:37,795 INFO L226 Difference]: Without dead ends: 184 [2023-12-21 02:08:37,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2023-12-21 02:08:37,797 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 67 mSDsluCounter, 448 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:37,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 549 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 02:08:37,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2023-12-21 02:08:37,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 144. [2023-12-21 02:08:37,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.0535714285714286) internal successors, (118), 113 states have internal predecessors, (118), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 166 transitions. [2023-12-21 02:08:37,814 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 166 transitions. Word has length 117 [2023-12-21 02:08:37,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:37,814 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 166 transitions. [2023-12-21 02:08:37,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:37,814 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 166 transitions. [2023-12-21 02:08:37,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-21 02:08:37,816 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:37,816 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:37,824 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:38,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-21 02:08:38,021 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:38,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:38,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1887942400, now seen corresponding path program 1 times [2023-12-21 02:08:38,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:38,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261846594] [2023-12-21 02:08:38,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:38,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:38,036 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:38,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2080664966] [2023-12-21 02:08:38,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:38,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:38,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:38,037 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:38,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-21 02:08:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:38,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-21 02:08:38,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:38,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-21 02:08:38,518 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 02:08:38,519 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 38 treesize of output 34 [2023-12-21 02:08:38,520 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 23 treesize of output 15 [2023-12-21 02:08:38,529 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:38,529 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:08:38,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:38,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261846594] [2023-12-21 02:08:38,529 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:38,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2080664966] [2023-12-21 02:08:38,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2080664966] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:08:38,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:08:38,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 02:08:38,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101721952] [2023-12-21 02:08:38,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:38,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 02:08:38,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:38,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 02:08:38,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 02:08:38,530 INFO L87 Difference]: Start difference. First operand 144 states and 166 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:38,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:38,788 INFO L93 Difference]: Finished difference Result 296 states and 333 transitions. [2023-12-21 02:08:38,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-21 02:08:38,789 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-21 02:08:38,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:38,790 INFO L225 Difference]: With dead ends: 296 [2023-12-21 02:08:38,790 INFO L226 Difference]: Without dead ends: 181 [2023-12-21 02:08:38,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-12-21 02:08:38,790 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 81 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:38,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 223 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 02:08:38,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-12-21 02:08:38,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 144. [2023-12-21 02:08:38,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.0446428571428572) internal successors, (117), 113 states have internal predecessors, (117), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 165 transitions. [2023-12-21 02:08:38,807 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 165 transitions. Word has length 117 [2023-12-21 02:08:38,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:38,807 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 165 transitions. [2023-12-21 02:08:38,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 165 transitions. [2023-12-21 02:08:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-21 02:08:38,808 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:38,808 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:38,818 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-12-21 02:08:39,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:39,012 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:39,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:39,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2014845952, now seen corresponding path program 1 times [2023-12-21 02:08:39,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:39,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56831404] [2023-12-21 02:08:39,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:39,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:39,028 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:39,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937278516] [2023-12-21 02:08:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:39,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:39,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:39,029 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:39,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-21 02:08:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:39,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 456 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-21 02:08:39,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:39,481 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-21 02:08:39,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 02:08:39,730 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 40 treesize of output 36 [2023-12-21 02:08:39,732 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 25 treesize of output 17 [2023-12-21 02:08:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:39,829 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:08:39,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:39,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56831404] [2023-12-21 02:08:39,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:39,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937278516] [2023-12-21 02:08:39,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937278516] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:08:39,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:08:39,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-21 02:08:39,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776377774] [2023-12-21 02:08:39,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:39,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 02:08:39,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:39,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 02:08:39,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-21 02:08:39,831 INFO L87 Difference]: Start difference. First operand 144 states and 165 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:40,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:40,833 INFO L93 Difference]: Finished difference Result 279 states and 313 transitions. [2023-12-21 02:08:40,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 02:08:40,834 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-21 02:08:40,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:40,834 INFO L225 Difference]: With dead ends: 279 [2023-12-21 02:08:40,834 INFO L226 Difference]: Without dead ends: 164 [2023-12-21 02:08:40,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-12-21 02:08:40,835 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 71 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 191 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 191 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:40,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 233 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 191 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-21 02:08:40,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-12-21 02:08:40,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 144. [2023-12-21 02:08:40,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 112 states have (on average 1.0357142857142858) internal successors, (116), 113 states have internal predecessors, (116), 24 states have call successors, (24), 7 states have call predecessors, (24), 7 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-21 02:08:40,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 164 transitions. [2023-12-21 02:08:40,852 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 164 transitions. Word has length 117 [2023-12-21 02:08:40,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:40,852 INFO L495 AbstractCegarLoop]: Abstraction has 144 states and 164 transitions. [2023-12-21 02:08:40,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:40,852 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 164 transitions. [2023-12-21 02:08:40,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-12-21 02:08:40,853 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:08:40,853 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:08:40,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:41,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:41,060 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:08:41,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:08:41,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2021955906, now seen corresponding path program 1 times [2023-12-21 02:08:41,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:08:41,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214665271] [2023-12-21 02:08:41,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:41,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:08:41,077 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:08:41,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1673962622] [2023-12-21 02:08:41,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:08:41,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:41,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:08:41,079 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:08:41,092 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-12-21 02:08:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:08:41,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-21 02:08:41,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:08:41,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-12-21 02:08:41,286 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2023-12-21 02:08:41,286 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:08:41,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:08:41,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214665271] [2023-12-21 02:08:41,287 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:08:41,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673962622] [2023-12-21 02:08:41,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673962622] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:08:41,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:08:41,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-21 02:08:41,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114208366] [2023-12-21 02:08:41,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:08:41,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-21 02:08:41,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:08:41,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-21 02:08:41,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-21 02:08:41,288 INFO L87 Difference]: Start difference. First operand 144 states and 164 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:41,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:08:41,441 INFO L93 Difference]: Finished difference Result 279 states and 311 transitions. [2023-12-21 02:08:41,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 02:08:41,441 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 117 [2023-12-21 02:08:41,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:08:41,441 INFO L225 Difference]: With dead ends: 279 [2023-12-21 02:08:41,441 INFO L226 Difference]: Without dead ends: 0 [2023-12-21 02:08:41,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2023-12-21 02:08:41,442 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 48 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 02:08:41,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 450 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 02:08:41,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-12-21 02:08:41,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-12-21 02:08:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-21 02:08:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-12-21 02:08:41,443 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 117 [2023-12-21 02:08:41,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:08:41,443 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-12-21 02:08:41,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2023-12-21 02:08:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-12-21 02:08:41,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-21 02:08:41,445 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 02:08:41,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2023-12-21 02:08:41,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:08:41,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-12-21 02:08:51,082 WARN L293 SmtUtils]: Spent 5.96s on a formula simplification. DAG size of input: 149 DAG size of output: 118 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 02:08:59,055 WARN L293 SmtUtils]: Spent 5.95s on a formula simplification. DAG size of input: 281 DAG size of output: 1 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 02:09:05,972 WARN L293 SmtUtils]: Spent 6.69s on a formula simplification. DAG size of input: 177 DAG size of output: 129 (called from [L 149] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.combineInter) [2023-12-21 02:09:05,976 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line 20) the Hoare annotation is: true [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L20-2(line 20) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(line 20) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L895 garLoopResultBuilder]: At program point L93(line 93) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L93-1(line 93) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L60(lines 60 64) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 73) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L61(line 61) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L61-2(line 61) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L61-3(line 61) no Hoare annotation was computed. [2023-12-21 02:09:05,976 INFO L899 garLoopResultBuilder]: For program point L61-5(line 61) no Hoare annotation was computed. [2023-12-21 02:09:05,977 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,977 INFO L899 garLoopResultBuilder]: For program point L86-1(line 86) no Hoare annotation was computed. [2023-12-21 02:09:05,977 INFO L895 garLoopResultBuilder]: At program point L111-2(lines 111 117) the Hoare annotation is: (let ((.cse5 (select |#memory_int#4| 7))) (let ((.cse27 (select .cse5 8))) (let ((.cse4 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset)) (.cse14 (mod .cse27 4294967296)) (.cse28 (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base))) (let ((.cse0 (= 7 |~#unsigned_long_int_Array_0~0.base|)) (.cse1 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4)) (.cse2 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base)) (.cse3 (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0)) (.cse6 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base)) (.cse20 (select .cse28 ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.offset)) (.cse7 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base)) (.cse8 (= |~#unsigned_long_int_Array_0~0.offset| 0)) (.cse9 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1)) (.cse10 (<= .cse14 2147483647)) (.cse11 (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8)) (.cse12 (= .cse4 (select (select |#memory_int#3| 6) 0))) (.cse13 (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) (.cse16 (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset)) (.cse17 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) (.cse18 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse19 (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset 8) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset)))) (.cse15 (select (select |#memory_int#4| ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset)) (.cse21 (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base)) (.cse22 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base)) (.cse23 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base)) (.cse24 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0))) (or (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) .cse0 .cse1 .cse2 .cse3 (<= (mod (+ 4294967295 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) 4294967296) (mod (* .cse4 (select .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset)) 4294967296)) .cse6 (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (<= (+ .cse14 1) (mod (* .cse15 ~last_1_signed_long_int_Array_0_1_~0) 4294967296)) .cse16 .cse17 .cse18 .cse19 (<= 1 (mod .cse20 256)) .cse21 .cse22 .cse23 .cse24) (let ((.cse25 (select .cse28 1)) (.cse26 (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base))) (and .cse0 .cse1 .cse2 .cse3 .cse6 (= .cse20 .cse25) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) .cse7 .cse8 .cse9 (<= 1 (mod .cse25 256)) .cse10 .cse11 .cse12 (forall ((v_ArrVal_557 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (= (mod (select (store .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset) 4294967296) (mod (select (select (store |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base (store .cse26 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset v_ArrVal_557)) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset) 4294967296))) .cse13 .cse16 .cse17 .cse18 .cse19 (= (mod (+ .cse15 (* 4294967295 .cse27)) 4294967296) (mod (select .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) 4294967296)) .cse21 .cse22 (= (select .cse26 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) .cse4) .cse23 .cse24))))))) [2023-12-21 02:09:05,977 INFO L899 garLoopResultBuilder]: For program point L111-3(lines 111 117) no Hoare annotation was computed. [2023-12-21 02:09:05,977 INFO L895 garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,977 INFO L899 garLoopResultBuilder]: For program point L95-1(line 95) no Hoare annotation was computed. [2023-12-21 02:09:05,977 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,977 INFO L899 garLoopResultBuilder]: For program point L87-1(line 87) no Hoare annotation was computed. [2023-12-21 02:09:05,977 INFO L899 garLoopResultBuilder]: For program point L54(lines 54 56) no Hoare annotation was computed. [2023-12-21 02:09:05,977 INFO L899 garLoopResultBuilder]: For program point L54-2(lines 54 56) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |ULTIMATE.start_updateVariables_#t~mem55#1| (select (select |#memory_int#4| 7) 8)) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L96-1(line 96) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L55(line 55) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L55-2(line 55) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L895 garLoopResultBuilder]: At program point L80(line 80) the Hoare annotation is: (let ((.cse5 (select |#memory_int#4| 7))) (let ((.cse4 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset)) (.cse25 (select .cse5 8))) (let ((.cse0 (= 7 |~#unsigned_long_int_Array_0~0.base|)) (.cse1 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4)) (.cse2 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base)) (.cse3 (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0)) (.cse6 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base)) (.cse7 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base)) (.cse8 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base)) (.cse9 (= |ULTIMATE.start_updateVariables_#t~mem39#1| (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1))) (.cse10 (= |~#unsigned_long_int_Array_0~0.offset| 0)) (.cse11 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1)) (.cse12 (<= (mod .cse25 4294967296) 2147483647)) (.cse13 (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8)) (.cse14 (= .cse4 (select (select |#memory_int#3| 6) 0))) (.cse15 (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) (.cse16 (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset)) (.cse17 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) (.cse18 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base |~#BOOL_unsigned_char_Array_0~0.base|)) (.cse19 (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset 8) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset)))) (.cse20 (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base)) (.cse21 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base)) (.cse22 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base)) (.cse23 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0))) (or (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) .cse0 .cse1 .cse2 .cse3 (<= (mod (+ 4294967295 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) 4294967296) (mod (* .cse4 (select .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset)) 4294967296)) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (let ((.cse24 (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base))) (and .cse0 .cse1 .cse2 .cse3 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 (forall ((v_ArrVal_557 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (= (mod (select (store .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset) 4294967296) (mod (select (select (store |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base (store .cse24 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset v_ArrVal_557)) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset) 4294967296))) .cse15 .cse16 .cse17 .cse18 .cse19 (= (mod (+ (select (select |#memory_int#4| ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset) (* 4294967295 .cse25)) 4294967296) (mod (select .cse5 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) 4294967296)) .cse20 .cse21 (= (select .cse24 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) .cse4) .cse22 .cse23)))))) [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L80-1(line 80) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L105(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L105-1(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L105-3(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L105-5(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L105-6(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L105-7(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L105-8(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L105-9(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,978 INFO L899 garLoopResultBuilder]: For program point L105-11(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-12(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-14(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L895 garLoopResultBuilder]: At program point L89(line 89) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-16(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L89-1(line 89) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-18(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-20(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-21(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-22(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-23(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L895 garLoopResultBuilder]: At program point L81(line 81) the Hoare annotation is: (let ((.cse14 (select |#memory_int#4| 7))) (let ((.cse23 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset)) (.cse20 (select .cse14 8))) (let ((.cse0 (= 7 |~#unsigned_long_int_Array_0~0.base|)) (.cse1 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4)) (.cse2 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base)) (.cse3 (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0)) (.cse4 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base)) (.cse5 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base)) (.cse6 (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base)) (.cse7 (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base)) (.cse8 (= |~#unsigned_long_int_Array_0~0.offset| 0)) (.cse9 (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1)) (.cse10 (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256))) (.cse11 (<= (mod .cse20 4294967296) 2147483647)) (.cse12 (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8)) (.cse13 (= .cse23 (select (select |#memory_int#3| 6) 0))) (.cse16 (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset)) (.cse17 (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset)) (.cse18 (= |~#BOOL_unsigned_char_Array_0~0.offset| 0)) (.cse19 (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset 8) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset)))) (.cse21 (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base)) (.cse22 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base)) (.cse24 (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base)) (.cse25 (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0))) (or (let ((.cse15 (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base))) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 (forall ((v_ArrVal_557 Int) (|ULTIMATE.start_step_#t~ite14#1| Int)) (= (mod (select (store .cse14 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset |ULTIMATE.start_step_#t~ite14#1|) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset) 4294967296) (mod (select (select (store |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base (store .cse15 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset v_ArrVal_557)) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset) 4294967296))) .cse16 .cse17 .cse18 .cse19 (= (mod (+ (select (select |#memory_int#4| ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base) ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset) (* 4294967295 .cse20)) 4294967296) (mod (select .cse14 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) 4294967296)) .cse21 .cse22 (= (select .cse15 ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) .cse23) .cse24 .cse25)) (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) .cse0 .cse1 .cse2 .cse3 (<= (mod (+ 4294967295 (select (select |#memory_int#2| ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base) ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) 4294967296) (mod (* .cse23 (select .cse14 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset)) 4294967296)) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse16 .cse17 .cse18 .cse19 .cse21 .cse22 .cse24 .cse25))))) [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L81-1(line 81) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-25(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-27(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,979 INFO L899 garLoopResultBuilder]: For program point L105-29(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point L105-30(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point L105-32(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point L105-33(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point L105-35(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point L105-36(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point L105-38(line 105) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L895 garLoopResultBuilder]: At program point L98(line 98) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point L98-1(line 98) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L895 garLoopResultBuilder]: At program point L90(line 90) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point L90-1(line 90) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L895 garLoopResultBuilder]: At program point L99(line 99) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point L99-1(line 99) no Hoare annotation was computed. [2023-12-21 02:09:05,980 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-12-21 02:09:05,981 INFO L895 garLoopResultBuilder]: At program point L83(line 83) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,981 INFO L899 garLoopResultBuilder]: For program point L83-1(line 83) no Hoare annotation was computed. [2023-12-21 02:09:05,981 INFO L899 garLoopResultBuilder]: For program point L50(lines 50 77) no Hoare annotation was computed. [2023-12-21 02:09:05,981 INFO L895 garLoopResultBuilder]: At program point L92(line 92) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,981 INFO L899 garLoopResultBuilder]: For program point L92-1(line 92) no Hoare annotation was computed. [2023-12-21 02:09:05,981 INFO L899 garLoopResultBuilder]: For program point L59(lines 59 67) no Hoare annotation was computed. [2023-12-21 02:09:05,981 INFO L899 garLoopResultBuilder]: For program point L59-1(lines 59 67) no Hoare annotation was computed. [2023-12-21 02:09:05,981 INFO L895 garLoopResultBuilder]: At program point L84(line 84) the Hoare annotation is: (and (or (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.offset)) (not (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0.base))) (= 7 |~#unsigned_long_int_Array_0~0.base|) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.offset 4) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.base) (<= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.offset 0) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.base) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.base ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= |~#BOOL_unsigned_char_Array_0~0.base| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) (= 6 ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var1_Pointer~0.base) (= |~#unsigned_long_int_Array_0~0.offset| 0) (= ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var1_Pointer~0.offset 1) (<= 1 (mod (select (select |#memory_int#1| ~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0.base) 1) 256)) (<= (mod (select (select |#memory_int#4| 7) 8) 4294967296) 2147483647) (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.offset 8) (or (not (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.base)) (not (= ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0.offset))) (<= (+ 3 ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.offset) ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.offset) (<= 12 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0.offset) (= |~#BOOL_unsigned_char_Array_0~0.offset| 0) (= ~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0.base ~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0.base) (= 7 ~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var1_Pointer~0.base) (= ~signed_long_int_Array_0_arraysigned_long_int_Array_0Var0_Pointer~0.offset 0)) [2023-12-21 02:09:05,981 INFO L899 garLoopResultBuilder]: For program point L84-1(line 84) no Hoare annotation was computed. [2023-12-21 02:09:05,981 INFO L899 garLoopResultBuilder]: For program point L68(lines 68 76) no Hoare annotation was computed. [2023-12-21 02:09:05,983 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:09:05,984 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 02:09:05,995 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,996 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,996 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,996 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated [2023-12-21 02:09:05,996 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,996 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[6][0] could not be translated [2023-12-21 02:09:05,996 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated [2023-12-21 02:09:05,996 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!base][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,997 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,997 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,997 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][1] could not be translated [2023-12-21 02:09:05,997 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][1] could not be translated [2023-12-21 02:09:05,997 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated [2023-12-21 02:09:05,997 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,998 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[6][0] could not be translated [2023-12-21 02:09:05,998 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ArrVal_557 : int, ULTIMATE.start_step_#t~ite14#1 : int :: #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0!offset := ULTIMATE.start_step_#t~ite14#1][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0!offset] % 4294967296 == #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base := #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!offset := v_ArrVal_557]][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset] % 4294967296) could not be translated [2023-12-21 02:09:05,998 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!base][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,998 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated [2023-12-21 02:09:05,998 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,998 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,998 WARN L1574 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated [2023-12-21 02:09:05,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 02:09:05 BoogieIcfgContainer [2023-12-21 02:09:05,999 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 02:09:05,999 INFO L158 Benchmark]: Toolchain (without parser) took 180585.52ms. Allocated memory was 223.3MB in the beginning and 716.2MB in the end (delta: 492.8MB). Free memory was 160.5MB in the beginning and 363.1MB in the end (delta: -202.6MB). Peak memory consumption was 409.0MB. Max. memory is 8.0GB. [2023-12-21 02:09:05,999 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 223.3MB. Free memory is still 172.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 02:09:05,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.06ms. Allocated memory is still 223.3MB. Free memory was 160.2MB in the beginning and 145.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-21 02:09:05,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.64ms. Allocated memory is still 223.3MB. Free memory was 145.8MB in the beginning and 142.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-21 02:09:06,000 INFO L158 Benchmark]: Boogie Preprocessor took 94.26ms. Allocated memory was 223.3MB in the beginning and 282.1MB in the end (delta: 58.7MB). Free memory was 142.7MB in the beginning and 247.4MB in the end (delta: -104.7MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2023-12-21 02:09:06,000 INFO L158 Benchmark]: RCFGBuilder took 463.90ms. Allocated memory is still 282.1MB. Free memory was 247.4MB in the beginning and 218.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2023-12-21 02:09:06,000 INFO L158 Benchmark]: TraceAbstraction took 179759.41ms. Allocated memory was 282.1MB in the beginning and 716.2MB in the end (delta: 434.1MB). Free memory was 217.5MB in the beginning and 363.1MB in the end (delta: -145.6MB). Peak memory consumption was 407.0MB. Max. memory is 8.0GB. [2023-12-21 02:09:06,001 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 223.3MB. Free memory is still 172.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.06ms. Allocated memory is still 223.3MB. Free memory was 160.2MB in the beginning and 145.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.64ms. Allocated memory is still 223.3MB. Free memory was 145.8MB in the beginning and 142.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 94.26ms. Allocated memory was 223.3MB in the beginning and 282.1MB in the end (delta: 58.7MB). Free memory was 142.7MB in the beginning and 247.4MB in the end (delta: -104.7MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * RCFGBuilder took 463.90ms. Allocated memory is still 282.1MB. Free memory was 247.4MB in the beginning and 218.0MB in the end (delta: 29.3MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 179759.41ms. Allocated memory was 282.1MB in the beginning and 716.2MB in the end (delta: 434.1MB). Free memory was 217.5MB in the beginning and 363.1MB in the end (delta: -145.6MB). Peak memory consumption was 407.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[6][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!base][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[~BOOL_unsigned_char_Array_0_arrayBOOL_unsigned_char_Array_0Var0_Pointer~0!base][1] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#3[6][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (forall v_ArrVal_557 : int, ULTIMATE.start_step_#t~ite14#1 : int :: #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0!offset := ULTIMATE.start_step_#t~ite14#1][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var0_Pointer~0!offset] % 4294967296 == #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base := #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!offset := v_ArrVal_557]][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var0_Pointer~0!offset] % 4294967296) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!base][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var2_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][8] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#4[7][~unsigned_long_int_Array_0_arrayunsigned_long_int_Array_0Var3_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var4_Pointer~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!base][~signed_char_Array_0_arraysigned_char_Array_0Var1_Pointer~0!offset] could not be translated * 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 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 179.7s, OverallIterations: 21, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 24.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2267 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2241 mSDsluCounter, 6827 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4930 mSDsCounter, 193 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2667 IncrementalHoareTripleChecker+Invalid, 2860 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 193 mSolverCounterUnsat, 1897 mSDtfsCounter, 2667 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3015 GetRequests, 2811 SyntacticMatches, 1 SemanticMatches, 203 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 458 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=169occurred in iteration=9, InterpolantAutomatonStates: 156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 21 MinimizatonAttempts, 424 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 329 PreInvPairs, 358 NumberOfFragments, 2002 HoareAnnotationTreeSize, 329 FormulaSimplifications, 39480 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 16 FormulaSimplificationsInter, 50176 FormulaSimplificationTreeSizeReductionInter, 21.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 139.4s InterpolantComputationTime, 2453 NumberOfCodeBlocks, 2453 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 2885 ConstructedInterpolants, 6 QuantifiedInterpolants, 23674 SizeOfPredicates, 203 NumberOfNonLiveVariables, 8990 ConjunctsInSsa, 405 ConjunctsInUnsatCore, 26 InterpolantComputations, 18 PerfectInterpolantSequences, 9158/9464 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: null RESULT: Ultimate proved your program to be correct! [2023-12-21 02:09:06,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...