/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-s_file-6.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 04:29:08,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 04:29:08,339 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 04:29:08,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 04:29:08,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 04:29:08,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 04:29:08,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 04:29:08,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 04:29:08,362 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 04:29:08,364 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 04:29:08,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 04:29:08,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 04:29:08,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 04:29:08,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 04:29:08,366 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 04:29:08,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 04:29:08,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 04:29:08,366 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 04:29:08,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 04:29:08,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 04:29:08,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 04:29:08,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 04:29:08,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 04:29:08,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 04:29:08,368 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 04:29:08,369 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 04:29:08,369 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 04:29:08,369 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 04:29:08,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 04:29:08,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 04:29:08,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 04:29:08,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 04:29:08,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:29:08,370 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 04:29:08,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 04:29:08,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 04:29:08,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 04:29:08,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 04:29:08,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 04:29:08,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 04:29:08,371 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 04:29:08,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 04:29:08,372 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 04:29:08,372 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 04:29:08,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 04:29:08,548 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 04:29:08,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 04:29:08,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 04:29:08,550 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 04:29:08,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-12-16 04:29:09,746 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 04:29:09,947 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 04:29:09,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-6.i [2023-12-16 04:29:09,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167a59491/7d4dd88f76904801a2061e2a977da716/FLAG243af7d9c [2023-12-16 04:29:09,971 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/167a59491/7d4dd88f76904801a2061e2a977da716 [2023-12-16 04:29:09,973 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 04:29:09,974 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 04:29:09,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 04:29:09,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 04:29:09,980 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 04:29:09,981 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:29:09" (1/1) ... [2023-12-16 04:29:09,982 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4ed3f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:09, skipping insertion in model container [2023-12-16 04:29:09,982 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 04:29:09" (1/1) ... [2023-12-16 04:29:10,013 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 04:29:10,121 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-s_file-6.i[915,928] [2023-12-16 04:29:10,156 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:29:10,177 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 04:29:10,185 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-s_file-6.i[915,928] [2023-12-16 04:29:10,214 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 04:29:10,227 INFO L206 MainTranslator]: Completed translation [2023-12-16 04:29:10,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10 WrapperNode [2023-12-16 04:29:10,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 04:29:10,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 04:29:10,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 04:29:10,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 04:29:10,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,294 INFO L138 Inliner]: procedures = 29, calls = 166, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 509 [2023-12-16 04:29:10,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 04:29:10,295 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 04:29:10,295 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 04:29:10,295 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 04:29:10,304 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,308 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,324 INFO L175 MemorySlicer]: Split 135 memory accesses to 2 slices as follows [2, 133]. 99 percent of accesses are in the largest equivalence class. The 18 initializations are split as follows [2, 16]. The 18 writes are split as follows [0, 18]. [2023-12-16 04:29:10,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,342 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,350 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 04:29:10,351 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 04:29:10,351 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 04:29:10,351 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 04:29:10,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (1/1) ... [2023-12-16 04:29:10,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 04:29:10,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:10,394 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 04:29:10,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 04:29:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 04:29:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-16 04:29:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-16 04:29:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-16 04:29:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-16 04:29:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-16 04:29:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-16 04:29:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-16 04:29:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-16 04:29:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-16 04:29:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-16 04:29:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 04:29:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 04:29:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 04:29:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-16 04:29:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 04:29:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 04:29:10,542 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 04:29:10,543 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 04:29:10,972 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 04:29:10,998 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 04:29:10,998 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 04:29:10,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:29:10 BoogieIcfgContainer [2023-12-16 04:29:10,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 04:29:11,004 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 04:29:11,004 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 04:29:11,010 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 04:29:11,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 04:29:09" (1/3) ... [2023-12-16 04:29:11,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79263629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:29:11, skipping insertion in model container [2023-12-16 04:29:11,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 04:29:10" (2/3) ... [2023-12-16 04:29:11,013 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79263629 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 04:29:11, skipping insertion in model container [2023-12-16 04:29:11,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 04:29:10" (3/3) ... [2023-12-16 04:29:11,014 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-6.i [2023-12-16 04:29:11,026 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 04:29:11,027 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 04:29:11,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 04:29:11,078 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;@c4b9e5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 04:29:11,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 04:29:11,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-16 04:29:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-16 04:29:11,095 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:11,095 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:11,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:11,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:11,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1691815467, now seen corresponding path program 1 times [2023-12-16 04:29:11,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:11,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372608613] [2023-12-16 04:29:11,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:11,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:11,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:11,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [372608613] [2023-12-16 04:29:11,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 04:29:11,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183192826] [2023-12-16 04:29:11,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:11,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:11,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:11,335 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 04:29:11,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 04:29:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:11,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 04:29:11,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 648 trivial. 0 not checked. [2023-12-16 04:29:11,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:11,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183192826] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:11,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:11,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 04:29:11,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56285630] [2023-12-16 04:29:11,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:11,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 04:29:11,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 04:29:11,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:29:11,669 INFO L87 Difference]: Start difference. First operand has 115 states, 93 states have (on average 1.4408602150537635) internal successors, (134), 94 states have internal predecessors, (134), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-16 04:29:11,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:11,728 INFO L93 Difference]: Finished difference Result 227 states and 361 transitions. [2023-12-16 04:29:11,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 04:29:11,732 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-16 04:29:11,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:11,738 INFO L225 Difference]: With dead ends: 227 [2023-12-16 04:29:11,738 INFO L226 Difference]: Without dead ends: 113 [2023-12-16 04:29:11,741 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 04:29:11,746 INFO L413 NwaCegarLoop]: 163 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, 163 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:11,748 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 163 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:29:11,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-12-16 04:29:11,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-12-16 04:29:11,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 92 states have (on average 1.4021739130434783) internal successors, (129), 92 states have internal predecessors, (129), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-16 04:29:11,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 167 transitions. [2023-12-16 04:29:11,786 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 167 transitions. Word has length 153 [2023-12-16 04:29:11,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:11,786 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 167 transitions. [2023-12-16 04:29:11,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-16 04:29:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 167 transitions. [2023-12-16 04:29:11,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-16 04:29:11,791 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:11,792 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:11,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 04:29:11,998 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 [2023-12-16 04:29:11,999 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:11,999 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:11,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1540379977, now seen corresponding path program 1 times [2023-12-16 04:29:12,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:12,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789932958] [2023-12-16 04:29:12,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:12,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:12,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:12,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789932958] [2023-12-16 04:29:12,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 04:29:12,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823643915] [2023-12-16 04:29:12,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:12,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:12,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:12,148 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) [2023-12-16 04:29:12,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 04:29:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:12,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 04:29:12,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:12,353 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 332 trivial. 0 not checked. [2023-12-16 04:29:12,353 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:12,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823643915] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:12,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:12,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:29:12,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418048695] [2023-12-16 04:29:12,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:12,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:29:12,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:12,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:29:12,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:29:12,355 INFO L87 Difference]: Start difference. First operand 113 states and 167 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-16 04:29:12,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:12,390 INFO L93 Difference]: Finished difference Result 231 states and 342 transitions. [2023-12-16 04:29:12,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:29:12,390 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2023-12-16 04:29:12,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:12,392 INFO L225 Difference]: With dead ends: 231 [2023-12-16 04:29:12,392 INFO L226 Difference]: Without dead ends: 119 [2023-12-16 04:29:12,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:29:12,393 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 10 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 478 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 [2023-12-16 04:29:12,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 478 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:29:12,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2023-12-16 04:29:12,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2023-12-16 04:29:12,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 94 states have (on average 1.3936170212765957) internal successors, (131), 94 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-16 04:29:12,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2023-12-16 04:29:12,402 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 153 [2023-12-16 04:29:12,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:12,402 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 169 transitions. [2023-12-16 04:29:12,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-12-16 04:29:12,403 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2023-12-16 04:29:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-12-16 04:29:12,406 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:12,406 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:12,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:12,615 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 [2023-12-16 04:29:12,615 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:12,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:12,616 INFO L85 PathProgramCache]: Analyzing trace with hash -357116789, now seen corresponding path program 1 times [2023-12-16 04:29:12,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:12,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699561123] [2023-12-16 04:29:12,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:12,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:12,662 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:12,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2091418009] [2023-12-16 04:29:12,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:12,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:12,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:12,664 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) [2023-12-16 04:29:12,666 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 04:29:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:12,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 04:29:12,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:12,847 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:12,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:12,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699561123] [2023-12-16 04:29:12,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:12,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091418009] [2023-12-16 04:29:12,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091418009] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:12,848 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:12,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 04:29:12,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092549770] [2023-12-16 04:29:12,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:12,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 04:29:12,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:12,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 04:29:12,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 04:29:12,849 INFO L87 Difference]: Start difference. First operand 115 states and 169 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:12,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:12,881 INFO L93 Difference]: Finished difference Result 252 states and 371 transitions. [2023-12-16 04:29:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 04:29:12,882 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 153 [2023-12-16 04:29:12,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:12,883 INFO L225 Difference]: With dead ends: 252 [2023-12-16 04:29:12,883 INFO L226 Difference]: Without dead ends: 138 [2023-12-16 04:29:12,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:29:12,885 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 43 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 472 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 [2023-12-16 04:29:12,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 472 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:29:12,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2023-12-16 04:29:12,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 117. [2023-12-16 04:29:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.3854166666666667) internal successors, (133), 96 states have internal predecessors, (133), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-16 04:29:12,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 171 transitions. [2023-12-16 04:29:12,893 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 171 transitions. Word has length 153 [2023-12-16 04:29:12,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:12,893 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 171 transitions. [2023-12-16 04:29:12,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 171 transitions. [2023-12-16 04:29:12,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-16 04:29:12,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:12,897 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:12,907 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-16 04:29:13,106 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 [2023-12-16 04:29:13,107 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:13,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:13,107 INFO L85 PathProgramCache]: Analyzing trace with hash 189042585, now seen corresponding path program 1 times [2023-12-16 04:29:13,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:13,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590379355] [2023-12-16 04:29:13,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:13,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:13,144 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:13,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1076450641] [2023-12-16 04:29:13,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:13,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:13,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:13,146 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) [2023-12-16 04:29:13,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 04:29:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:13,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 04:29:13,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:13,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-12-16 04:29:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:13,343 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:13,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:13,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590379355] [2023-12-16 04:29:13,343 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:13,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076450641] [2023-12-16 04:29:13,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1076450641] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:13,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:13,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 04:29:13,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082596363] [2023-12-16 04:29:13,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:13,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 04:29:13,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:13,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 04:29:13,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:29:13,345 INFO L87 Difference]: Start difference. First operand 117 states and 171 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:13,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:13,369 INFO L93 Difference]: Finished difference Result 233 states and 341 transitions. [2023-12-16 04:29:13,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 04:29:13,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-16 04:29:13,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:13,373 INFO L225 Difference]: With dead ends: 233 [2023-12-16 04:29:13,373 INFO L226 Difference]: Without dead ends: 117 [2023-12-16 04:29:13,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:29:13,378 INFO L413 NwaCegarLoop]: 161 mSDtfsCounter, 2 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:13,380 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 317 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:29:13,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-16 04:29:13,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-12-16 04:29:13,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.375) internal successors, (132), 96 states have internal predecessors, (132), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-16 04:29:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 170 transitions. [2023-12-16 04:29:13,387 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 170 transitions. Word has length 155 [2023-12-16 04:29:13,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:13,387 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 170 transitions. [2023-12-16 04:29:13,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:13,387 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2023-12-16 04:29:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-16 04:29:13,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:13,389 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:13,413 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-16 04:29:13,612 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 [2023-12-16 04:29:13,612 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:13,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:13,613 INFO L85 PathProgramCache]: Analyzing trace with hash -628605865, now seen corresponding path program 1 times [2023-12-16 04:29:13,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:13,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562967251] [2023-12-16 04:29:13,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:13,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:13,669 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:13,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1525065292] [2023-12-16 04:29:13,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:13,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:13,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:13,697 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) [2023-12-16 04:29:13,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 04:29:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:13,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 04:29:13,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:13,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-12-16 04:29:13,897 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:13,897 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:13,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:13,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562967251] [2023-12-16 04:29:13,897 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:13,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525065292] [2023-12-16 04:29:13,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525065292] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:13,897 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:13,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 04:29:13,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864013274] [2023-12-16 04:29:13,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:13,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 04:29:13,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:13,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 04:29:13,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:29:13,899 INFO L87 Difference]: Start difference. First operand 117 states and 170 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:13,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:13,910 INFO L93 Difference]: Finished difference Result 233 states and 339 transitions. [2023-12-16 04:29:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 04:29:13,910 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-16 04:29:13,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:13,911 INFO L225 Difference]: With dead ends: 233 [2023-12-16 04:29:13,911 INFO L226 Difference]: Without dead ends: 117 [2023-12-16 04:29:13,911 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:29:13,912 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 40 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:13,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 280 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:29:13,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-12-16 04:29:13,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2023-12-16 04:29:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 96 states have (on average 1.3645833333333333) internal successors, (131), 96 states have internal predecessors, (131), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-12-16 04:29:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2023-12-16 04:29:13,917 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 155 [2023-12-16 04:29:13,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:13,917 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2023-12-16 04:29:13,917 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:13,917 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2023-12-16 04:29:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-16 04:29:13,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:13,919 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:13,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:14,125 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 [2023-12-16 04:29:14,125 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:14,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:14,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1649674219, now seen corresponding path program 1 times [2023-12-16 04:29:14,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:14,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807662135] [2023-12-16 04:29:14,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:14,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:14,150 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:14,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61324026] [2023-12-16 04:29:14,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:14,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:14,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:14,151 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) [2023-12-16 04:29:14,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 04:29:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:14,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-16 04:29:14,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:14,331 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-12-16 04:29:14,349 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:14,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22 [2023-12-16 04:29:14,386 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:14,386 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 64 treesize of output 28 [2023-12-16 04:29:14,399 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:14,399 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:14,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:14,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807662135] [2023-12-16 04:29:14,400 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:14,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61324026] [2023-12-16 04:29:14,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61324026] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:14,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:14,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 04:29:14,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169629320] [2023-12-16 04:29:14,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:14,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 04:29:14,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:14,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 04:29:14,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-12-16 04:29:14,401 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:14,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:14,753 INFO L93 Difference]: Finished difference Result 388 states and 560 transitions. [2023-12-16 04:29:14,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 04:29:14,754 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-16 04:29:14,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:14,756 INFO L225 Difference]: With dead ends: 388 [2023-12-16 04:29:14,756 INFO L226 Difference]: Without dead ends: 272 [2023-12-16 04:29:14,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2023-12-16 04:29:14,757 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 361 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 475 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 361 SdHoareTripleChecker+Valid, 861 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:14,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [361 Valid, 861 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 475 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 04:29:14,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2023-12-16 04:29:14,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 215. [2023-12-16 04:29:14,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 182 states have (on average 1.3736263736263736) internal successors, (250), 183 states have internal predecessors, (250), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-16 04:29:14,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 310 transitions. [2023-12-16 04:29:14,789 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 310 transitions. Word has length 155 [2023-12-16 04:29:14,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:14,789 INFO L495 AbstractCegarLoop]: Abstraction has 215 states and 310 transitions. [2023-12-16 04:29:14,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:14,789 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 310 transitions. [2023-12-16 04:29:14,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-16 04:29:14,790 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:14,790 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:14,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-12-16 04:29:14,991 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 [2023-12-16 04:29:14,991 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:14,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:14,992 INFO L85 PathProgramCache]: Analyzing trace with hash 253664718, now seen corresponding path program 1 times [2023-12-16 04:29:14,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:14,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261906831] [2023-12-16 04:29:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:14,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:15,051 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:15,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [744332553] [2023-12-16 04:29:15,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:15,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:15,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:15,065 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) [2023-12-16 04:29:15,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-16 04:29:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:15,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-16 04:29:15,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:15,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:15,472 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 153 treesize of output 63 [2023-12-16 04:29:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:15,525 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:15,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:15,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261906831] [2023-12-16 04:29:15,525 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:15,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744332553] [2023-12-16 04:29:15,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [744332553] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:15,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:15,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 04:29:15,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287605732] [2023-12-16 04:29:15,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:15,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 04:29:15,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:15,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 04:29:15,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2023-12-16 04:29:15,527 INFO L87 Difference]: Start difference. First operand 215 states and 310 transitions. Second operand has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:15,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:15,995 INFO L93 Difference]: Finished difference Result 539 states and 772 transitions. [2023-12-16 04:29:15,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-16 04:29:15,996 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 155 [2023-12-16 04:29:15,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:15,998 INFO L225 Difference]: With dead ends: 539 [2023-12-16 04:29:15,998 INFO L226 Difference]: Without dead ends: 325 [2023-12-16 04:29:15,999 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2023-12-16 04:29:15,999 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 106 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 580 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:16,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 580 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 04:29:16,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2023-12-16 04:29:16,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 223. [2023-12-16 04:29:16,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 190 states have (on average 1.3578947368421053) internal successors, (258), 191 states have internal predecessors, (258), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-16 04:29:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 318 transitions. [2023-12-16 04:29:16,007 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 318 transitions. Word has length 155 [2023-12-16 04:29:16,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:16,008 INFO L495 AbstractCegarLoop]: Abstraction has 223 states and 318 transitions. [2023-12-16 04:29:16,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:16,008 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 318 transitions. [2023-12-16 04:29:16,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-16 04:29:16,009 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:16,009 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:16,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:16,215 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 [2023-12-16 04:29:16,215 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:16,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:16,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1616309786, now seen corresponding path program 1 times [2023-12-16 04:29:16,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:16,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157644350] [2023-12-16 04:29:16,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:16,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:16,241 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:16,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [634510227] [2023-12-16 04:29:16,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:16,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:16,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:16,258 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) [2023-12-16 04:29:16,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-16 04:29:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:16,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-16 04:29:16,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:16,490 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 [2023-12-16 04:29:16,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,655 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,681 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-16 04:29:16,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:16,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 52 [2023-12-16 04:29:16,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:16,813 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 62 treesize of output 55 [2023-12-16 04:29:16,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:16,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 22 [2023-12-16 04:29:16,911 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:16,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:16,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:16,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157644350] [2023-12-16 04:29:16,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:16,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [634510227] [2023-12-16 04:29:16,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [634510227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:16,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:16,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 04:29:16,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939311270] [2023-12-16 04:29:16,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:16,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-16 04:29:16,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:16,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-16 04:29:16,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 04:29:16,914 INFO L87 Difference]: Start difference. First operand 223 states and 318 transitions. Second operand has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:17,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:17,673 INFO L93 Difference]: Finished difference Result 728 states and 1034 transitions. [2023-12-16 04:29:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 04:29:17,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-16 04:29:17,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:17,676 INFO L225 Difference]: With dead ends: 728 [2023-12-16 04:29:17,676 INFO L226 Difference]: Without dead ends: 506 [2023-12-16 04:29:17,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-16 04:29:17,677 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 280 mSDsluCounter, 688 mSDsCounter, 0 mSdLazyCounter, 836 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 866 SdHoareTripleChecker+Invalid, 901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 836 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:17,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 866 Invalid, 901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 836 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-16 04:29:17,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2023-12-16 04:29:17,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 319. [2023-12-16 04:29:17,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 266 states have (on average 1.3458646616541354) internal successors, (358), 267 states have internal predecessors, (358), 49 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-16 04:29:17,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 456 transitions. [2023-12-16 04:29:17,689 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 456 transitions. Word has length 156 [2023-12-16 04:29:17,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:17,690 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 456 transitions. [2023-12-16 04:29:17,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.0) internal successors, (64), 7 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 456 transitions. [2023-12-16 04:29:17,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-16 04:29:17,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:17,691 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:17,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:17,898 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 [2023-12-16 04:29:17,898 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:17,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:17,898 INFO L85 PathProgramCache]: Analyzing trace with hash -2037105337, now seen corresponding path program 1 times [2023-12-16 04:29:17,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:17,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768031254] [2023-12-16 04:29:17,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:17,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:17,927 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:17,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1980113829] [2023-12-16 04:29:17,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:17,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:17,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:17,929 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) [2023-12-16 04:29:17,955 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-16 04:29:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:18,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-16 04:29:18,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:18,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:18,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 33 [2023-12-16 04:29:18,201 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:18,202 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 45 treesize of output 17 [2023-12-16 04:29:18,208 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:18,208 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:18,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:18,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768031254] [2023-12-16 04:29:18,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:18,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1980113829] [2023-12-16 04:29:18,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1980113829] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:18,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:18,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:29:18,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662811751] [2023-12-16 04:29:18,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:18,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:29:18,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:18,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:29:18,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 04:29:18,211 INFO L87 Difference]: Start difference. First operand 319 states and 456 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:18,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:18,595 INFO L93 Difference]: Finished difference Result 863 states and 1233 transitions. [2023-12-16 04:29:18,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 04:29:18,596 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-16 04:29:18,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:18,598 INFO L225 Difference]: With dead ends: 863 [2023-12-16 04:29:18,598 INFO L226 Difference]: Without dead ends: 637 [2023-12-16 04:29:18,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 04:29:18,599 INFO L413 NwaCegarLoop]: 233 mSDtfsCounter, 225 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 727 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:18,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 727 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 04:29:18,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2023-12-16 04:29:18,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 334. [2023-12-16 04:29:18,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 281 states have (on average 1.3380782918149465) internal successors, (376), 282 states have internal predecessors, (376), 49 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (49), 48 states have call predecessors, (49), 49 states have call successors, (49) [2023-12-16 04:29:18,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 474 transitions. [2023-12-16 04:29:18,614 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 474 transitions. Word has length 156 [2023-12-16 04:29:18,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:18,614 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 474 transitions. [2023-12-16 04:29:18,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:18,614 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 474 transitions. [2023-12-16 04:29:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-16 04:29:18,615 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:18,615 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:18,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:18,822 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 [2023-12-16 04:29:18,822 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:18,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:18,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1450299323, now seen corresponding path program 1 times [2023-12-16 04:29:18,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:18,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888083096] [2023-12-16 04:29:18,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:18,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:18,849 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:18,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [907853751] [2023-12-16 04:29:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:18,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:18,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:18,850 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) [2023-12-16 04:29:18,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-16 04:29:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:19,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-16 04:29:19,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:19,114 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,114 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,205 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,262 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,375 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,415 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,465 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,519 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,577 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,578 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,634 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,634 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,692 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-16 04:29:19,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,754 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 45 [2023-12-16 04:29:19,826 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 48 [2023-12-16 04:29:19,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:19,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 47 treesize of output 55 [2023-12-16 04:29:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:19,911 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:19,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:19,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888083096] [2023-12-16 04:29:19,911 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:19,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907853751] [2023-12-16 04:29:19,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907853751] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:19,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:19,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-16 04:29:19,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874960588] [2023-12-16 04:29:19,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:19,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-16 04:29:19,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:19,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-16 04:29:19,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-16 04:29:19,912 INFO L87 Difference]: Start difference. First operand 334 states and 474 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:20,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:20,563 INFO L93 Difference]: Finished difference Result 818 states and 1157 transitions. [2023-12-16 04:29:20,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 04:29:20,564 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-16 04:29:20,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:20,566 INFO L225 Difference]: With dead ends: 818 [2023-12-16 04:29:20,566 INFO L226 Difference]: Without dead ends: 585 [2023-12-16 04:29:20,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2023-12-16 04:29:20,567 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 427 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 706 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 783 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 706 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:20,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 752 Invalid, 783 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 706 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-12-16 04:29:20,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2023-12-16 04:29:20,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 456. [2023-12-16 04:29:20,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 382 states have (on average 1.3324607329842932) internal successors, (509), 383 states have internal predecessors, (509), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-16 04:29:20,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 645 transitions. [2023-12-16 04:29:20,584 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 645 transitions. Word has length 156 [2023-12-16 04:29:20,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:20,585 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 645 transitions. [2023-12-16 04:29:20,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 8 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:20,585 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 645 transitions. [2023-12-16 04:29:20,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-16 04:29:20,586 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:20,586 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:20,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:20,792 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 [2023-12-16 04:29:20,793 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:20,793 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:20,793 INFO L85 PathProgramCache]: Analyzing trace with hash 263717253, now seen corresponding path program 1 times [2023-12-16 04:29:20,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:20,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900640560] [2023-12-16 04:29:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:20,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:20,814 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:20,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [558732308] [2023-12-16 04:29:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:20,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:20,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:20,816 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) [2023-12-16 04:29:20,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-16 04:29:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:21,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-16 04:29:21,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:21,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-16 04:29:21,085 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-16 04:29:21,085 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:29:21,158 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:21,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:21,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900640560] [2023-12-16 04:29:21,159 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:21,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558732308] [2023-12-16 04:29:21,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558732308] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 04:29:21,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 04:29:21,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-16 04:29:21,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123416688] [2023-12-16 04:29:21,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:21,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:29:21,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:21,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:29:21,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-16 04:29:21,160 INFO L87 Difference]: Start difference. First operand 456 states and 645 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:21,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:21,512 INFO L93 Difference]: Finished difference Result 1313 states and 1860 transitions. [2023-12-16 04:29:21,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 04:29:21,512 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-16 04:29:21,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:21,515 INFO L225 Difference]: With dead ends: 1313 [2023-12-16 04:29:21,515 INFO L226 Difference]: Without dead ends: 959 [2023-12-16 04:29:21,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2023-12-16 04:29:21,517 INFO L413 NwaCegarLoop]: 290 mSDtfsCounter, 235 mSDsluCounter, 888 mSDsCounter, 0 mSdLazyCounter, 459 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 1178 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 459 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:21,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 1178 Invalid, 477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 459 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 04:29:21,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2023-12-16 04:29:21,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 457. [2023-12-16 04:29:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 383 states have (on average 1.328981723237598) internal successors, (509), 384 states have internal predecessors, (509), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-16 04:29:21,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 645 transitions. [2023-12-16 04:29:21,538 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 645 transitions. Word has length 156 [2023-12-16 04:29:21,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:21,538 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 645 transitions. [2023-12-16 04:29:21,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:21,539 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 645 transitions. [2023-12-16 04:29:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-16 04:29:21,540 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:21,540 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:21,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:21,747 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 [2023-12-16 04:29:21,747 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:21,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:21,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1039229639, now seen corresponding path program 1 times [2023-12-16 04:29:21,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:21,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395075145] [2023-12-16 04:29:21,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:21,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:21,769 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:21,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1069942003] [2023-12-16 04:29:21,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:21,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:21,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:21,770 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) [2023-12-16 04:29:21,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-16 04:29:22,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:22,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-16 04:29:22,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:22,085 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-12-16 04:29:22,130 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 630 trivial. 0 not checked. [2023-12-16 04:29:22,130 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:29:22,220 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:22,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:22,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395075145] [2023-12-16 04:29:22,221 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:22,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069942003] [2023-12-16 04:29:22,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069942003] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 04:29:22,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 04:29:22,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2023-12-16 04:29:22,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621201924] [2023-12-16 04:29:22,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:22,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:29:22,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:22,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:29:22,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2023-12-16 04:29:22,222 INFO L87 Difference]: Start difference. First operand 457 states and 645 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:22,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:22,578 INFO L93 Difference]: Finished difference Result 1147 states and 1621 transitions. [2023-12-16 04:29:22,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-16 04:29:22,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-16 04:29:22,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:22,581 INFO L225 Difference]: With dead ends: 1147 [2023-12-16 04:29:22,581 INFO L226 Difference]: Without dead ends: 913 [2023-12-16 04:29:22,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2023-12-16 04:29:22,582 INFO L413 NwaCegarLoop]: 282 mSDtfsCounter, 216 mSDsluCounter, 854 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 1136 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:22,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 1136 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 04:29:22,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2023-12-16 04:29:22,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 457. [2023-12-16 04:29:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 383 states have (on average 1.328981723237598) internal successors, (509), 384 states have internal predecessors, (509), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-16 04:29:22,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 645 transitions. [2023-12-16 04:29:22,606 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 645 transitions. Word has length 156 [2023-12-16 04:29:22,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:22,606 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 645 transitions. [2023-12-16 04:29:22,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:22,606 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 645 transitions. [2023-12-16 04:29:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-16 04:29:22,607 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:22,608 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:22,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:22,814 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 [2023-12-16 04:29:22,815 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:22,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:22,815 INFO L85 PathProgramCache]: Analyzing trace with hash -954915067, now seen corresponding path program 1 times [2023-12-16 04:29:22,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:22,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309125308] [2023-12-16 04:29:22,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:22,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:22,853 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:22,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [216263061] [2023-12-16 04:29:22,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:22,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:22,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:22,865 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) [2023-12-16 04:29:22,866 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-16 04:29:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:23,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-16 04:29:23,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:23,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:23,113 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 27 [2023-12-16 04:29:23,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:23,127 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 39 treesize of output 15 [2023-12-16 04:29:23,133 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:23,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:23,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:23,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309125308] [2023-12-16 04:29:23,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:23,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216263061] [2023-12-16 04:29:23,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216263061] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:23,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:23,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:29:23,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945078536] [2023-12-16 04:29:23,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:23,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 04:29:23,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:23,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 04:29:23,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-16 04:29:23,134 INFO L87 Difference]: Start difference. First operand 457 states and 645 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:23,494 INFO L93 Difference]: Finished difference Result 1072 states and 1518 transitions. [2023-12-16 04:29:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 04:29:23,494 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 156 [2023-12-16 04:29:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:23,498 INFO L225 Difference]: With dead ends: 1072 [2023-12-16 04:29:23,498 INFO L226 Difference]: Without dead ends: 834 [2023-12-16 04:29:23,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-12-16 04:29:23,500 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 172 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:23,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 471 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 04:29:23,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 834 states. [2023-12-16 04:29:23,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 834 to 448. [2023-12-16 04:29:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 374 states have (on average 1.320855614973262) internal successors, (494), 375 states have internal predecessors, (494), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-16 04:29:23,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 630 transitions. [2023-12-16 04:29:23,544 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 630 transitions. Word has length 156 [2023-12-16 04:29:23,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:23,544 INFO L495 AbstractCegarLoop]: Abstraction has 448 states and 630 transitions. [2023-12-16 04:29:23,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 630 transitions. [2023-12-16 04:29:23,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-16 04:29:23,546 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:23,546 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:23,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:23,752 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 [2023-12-16 04:29:23,753 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:23,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:23,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1547157059, now seen corresponding path program 1 times [2023-12-16 04:29:23,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460293910] [2023-12-16 04:29:23,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:23,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:23,796 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:23,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [191243750] [2023-12-16 04:29:23,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:23,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:23,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:23,798 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) [2023-12-16 04:29:23,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-16 04:29:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:24,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 497 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 04:29:24,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:24,059 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:24,059 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:24,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:24,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460293910] [2023-12-16 04:29:24,059 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:24,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191243750] [2023-12-16 04:29:24,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191243750] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:24,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:24,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 04:29:24,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203660090] [2023-12-16 04:29:24,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:24,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 04:29:24,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:24,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 04:29:24,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:29:24,061 INFO L87 Difference]: Start difference. First operand 448 states and 630 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:24,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:24,108 INFO L93 Difference]: Finished difference Result 832 states and 1170 transitions. [2023-12-16 04:29:24,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 04:29:24,108 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2023-12-16 04:29:24,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:24,110 INFO L225 Difference]: With dead ends: 832 [2023-12-16 04:29:24,110 INFO L226 Difference]: Without dead ends: 484 [2023-12-16 04:29:24,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:29:24,111 INFO L413 NwaCegarLoop]: 163 mSDtfsCounter, 45 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:24,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 621 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:29:24,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2023-12-16 04:29:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 457. [2023-12-16 04:29:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 383 states have (on average 1.3133159268929504) internal successors, (503), 384 states have internal predecessors, (503), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-16 04:29:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 639 transitions. [2023-12-16 04:29:24,130 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 639 transitions. Word has length 157 [2023-12-16 04:29:24,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:24,131 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 639 transitions. [2023-12-16 04:29:24,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:24,131 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 639 transitions. [2023-12-16 04:29:24,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-16 04:29:24,132 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:24,132 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:24,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-16 04:29:24,338 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 [2023-12-16 04:29:24,338 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:24,338 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:24,339 INFO L85 PathProgramCache]: Analyzing trace with hash -2035842160, now seen corresponding path program 1 times [2023-12-16 04:29:24,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:24,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624468867] [2023-12-16 04:29:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:24,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:24,409 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:24,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143429287] [2023-12-16 04:29:24,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:24,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:24,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:24,413 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) [2023-12-16 04:29:24,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-16 04:29:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:24,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-16 04:29:24,700 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:24,706 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 [2023-12-16 04:29:24,837 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:24,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 40 [2023-12-16 04:29:24,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:24,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 53 treesize of output 43 [2023-12-16 04:29:24,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:24,956 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 43 treesize of output 19 [2023-12-16 04:29:24,970 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:24,970 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:24,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:24,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624468867] [2023-12-16 04:29:24,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:24,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143429287] [2023-12-16 04:29:24,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143429287] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:24,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:24,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 04:29:24,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1246566392] [2023-12-16 04:29:24,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:24,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 04:29:24,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:24,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 04:29:24,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:29:24,972 INFO L87 Difference]: Start difference. First operand 457 states and 639 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:25,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:25,553 INFO L93 Difference]: Finished difference Result 947 states and 1311 transitions. [2023-12-16 04:29:25,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-16 04:29:25,554 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 157 [2023-12-16 04:29:25,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:25,556 INFO L225 Difference]: With dead ends: 947 [2023-12-16 04:29:25,556 INFO L226 Difference]: Without dead ends: 590 [2023-12-16 04:29:25,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-12-16 04:29:25,557 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 260 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 494 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 494 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:25,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 528 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 494 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 04:29:25,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2023-12-16 04:29:25,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 512. [2023-12-16 04:29:25,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 438 states have (on average 1.3082191780821917) internal successors, (573), 439 states have internal predecessors, (573), 68 states have call successors, (68), 5 states have call predecessors, (68), 5 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-12-16 04:29:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 709 transitions. [2023-12-16 04:29:25,581 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 709 transitions. Word has length 157 [2023-12-16 04:29:25,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:25,581 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 709 transitions. [2023-12-16 04:29:25,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 6 states have internal predecessors, (65), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:25,582 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 709 transitions. [2023-12-16 04:29:25,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-16 04:29:25,583 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:25,583 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:25,597 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:25,791 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 [2023-12-16 04:29:25,792 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:25,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:25,792 INFO L85 PathProgramCache]: Analyzing trace with hash -37393119, now seen corresponding path program 1 times [2023-12-16 04:29:25,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:25,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748449237] [2023-12-16 04:29:25,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:25,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:25,814 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:25,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [872323040] [2023-12-16 04:29:25,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:25,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:25,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:25,816 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) [2023-12-16 04:29:25,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-16 04:29:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:26,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 516 conjuncts, 68 conjunts are in the unsatisfiable core [2023-12-16 04:29:26,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:26,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:26,525 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 28 treesize of output 10 [2023-12-16 04:29:26,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2023-12-16 04:29:26,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2023-12-16 04:29:26,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2023-12-16 04:29:26,667 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 16 [2023-12-16 04:29:26,693 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 38 treesize of output 16 [2023-12-16 04:29:26,781 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:26,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 30 [2023-12-16 04:29:26,841 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:26,841 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 30 [2023-12-16 04:29:26,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:26,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 30 [2023-12-16 04:29:26,960 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:26,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 61 treesize of output 43 [2023-12-16 04:29:27,093 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:27,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 111 treesize of output 59 [2023-12-16 04:29:27,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:27,296 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 160 treesize of output 64 [2023-12-16 04:29:27,348 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 440 proven. 87 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-12-16 04:29:27,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:29:27,635 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:27,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:27,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748449237] [2023-12-16 04:29:27,636 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:27,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [872323040] [2023-12-16 04:29:27,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [872323040] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-16 04:29:27,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-16 04:29:27,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [23] total 30 [2023-12-16 04:29:27,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651525425] [2023-12-16 04:29:27,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:27,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-16 04:29:27,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:27,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-16 04:29:27,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2023-12-16 04:29:27,637 INFO L87 Difference]: Start difference. First operand 512 states and 709 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:28,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:28,165 INFO L93 Difference]: Finished difference Result 1066 states and 1467 transitions. [2023-12-16 04:29:28,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-16 04:29:28,165 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 158 [2023-12-16 04:29:28,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:28,167 INFO L225 Difference]: With dead ends: 1066 [2023-12-16 04:29:28,168 INFO L226 Difference]: Without dead ends: 709 [2023-12-16 04:29:28,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 332 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=206, Invalid=1200, Unknown=0, NotChecked=0, Total=1406 [2023-12-16 04:29:28,169 INFO L413 NwaCegarLoop]: 190 mSDtfsCounter, 571 mSDsluCounter, 1115 mSDsCounter, 0 mSdLazyCounter, 658 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 571 SdHoareTripleChecker+Valid, 1305 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 658 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:28,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [571 Valid, 1305 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 658 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 04:29:28,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2023-12-16 04:29:28,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 628. [2023-12-16 04:29:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 547 states have (on average 1.29981718464351) internal successors, (711), 549 states have internal predecessors, (711), 73 states have call successors, (73), 7 states have call predecessors, (73), 7 states have return successors, (73), 71 states have call predecessors, (73), 73 states have call successors, (73) [2023-12-16 04:29:28,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 857 transitions. [2023-12-16 04:29:28,189 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 857 transitions. Word has length 158 [2023-12-16 04:29:28,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:28,190 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 857 transitions. [2023-12-16 04:29:28,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:28,190 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 857 transitions. [2023-12-16 04:29:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-16 04:29:28,191 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:28,191 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:28,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:28,401 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 [2023-12-16 04:29:28,401 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:28,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:28,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1348810275, now seen corresponding path program 1 times [2023-12-16 04:29:28,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:28,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689205099] [2023-12-16 04:29:28,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:28,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:28,422 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:28,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [479038630] [2023-12-16 04:29:28,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:28,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:28,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:28,436 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) [2023-12-16 04:29:28,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-16 04:29:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:28,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-16 04:29:28,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:28,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:28,791 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2023-12-16 04:29:28,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:28,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2023-12-16 04:29:29,033 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:29,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2023-12-16 04:29:29,114 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:29,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2023-12-16 04:29:29,175 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:29,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2023-12-16 04:29:29,237 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:29,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2023-12-16 04:29:29,320 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:29,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 56 treesize of output 49 [2023-12-16 04:29:29,392 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 40 [2023-12-16 04:29:29,582 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:29,582 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 47 [2023-12-16 04:29:29,665 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:29,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 35 [2023-12-16 04:29:29,729 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:29,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 32 [2023-12-16 04:29:29,797 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-16 04:29:29,798 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 41 treesize of output 17 [2023-12-16 04:29:29,814 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 4 proven. 432 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2023-12-16 04:29:29,814 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 04:29:30,192 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 69 proven. 36 refuted. 0 times theorem prover too weak. 579 trivial. 0 not checked. [2023-12-16 04:29:30,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:30,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689205099] [2023-12-16 04:29:30,193 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:30,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479038630] [2023-12-16 04:29:30,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479038630] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 04:29:30,193 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 04:29:30,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12] total 25 [2023-12-16 04:29:30,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068027232] [2023-12-16 04:29:30,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 04:29:30,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-16 04:29:30,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:30,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-16 04:29:30,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2023-12-16 04:29:30,195 INFO L87 Difference]: Start difference. First operand 628 states and 857 transitions. Second operand has 25 states, 21 states have (on average 5.904761904761905) internal successors, (124), 21 states have internal predecessors, (124), 9 states have call successors, (38), 6 states have call predecessors, (38), 8 states have return successors, (38), 8 states have call predecessors, (38), 9 states have call successors, (38) [2023-12-16 04:29:31,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:31,961 INFO L93 Difference]: Finished difference Result 1209 states and 1639 transitions. [2023-12-16 04:29:31,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-12-16 04:29:31,962 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 21 states have (on average 5.904761904761905) internal successors, (124), 21 states have internal predecessors, (124), 9 states have call successors, (38), 6 states have call predecessors, (38), 8 states have return successors, (38), 8 states have call predecessors, (38), 9 states have call successors, (38) Word has length 158 [2023-12-16 04:29:31,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:31,965 INFO L225 Difference]: With dead ends: 1209 [2023-12-16 04:29:31,965 INFO L226 Difference]: Without dead ends: 868 [2023-12-16 04:29:31,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 330 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=426, Invalid=1056, Unknown=0, NotChecked=0, Total=1482 [2023-12-16 04:29:31,966 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 1319 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 1933 mSolverCounterSat, 519 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 1269 SdHoareTripleChecker+Invalid, 2452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 519 IncrementalHoareTripleChecker+Valid, 1933 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:31,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 1269 Invalid, 2452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [519 Valid, 1933 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-12-16 04:29:31,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2023-12-16 04:29:31,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 853. [2023-12-16 04:29:31,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 853 states, 735 states have (on average 1.2965986394557822) internal successors, (953), 738 states have internal predecessors, (953), 103 states have call successors, (103), 14 states have call predecessors, (103), 14 states have return successors, (103), 100 states have call predecessors, (103), 103 states have call successors, (103) [2023-12-16 04:29:31,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1159 transitions. [2023-12-16 04:29:31,998 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1159 transitions. Word has length 158 [2023-12-16 04:29:31,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:31,998 INFO L495 AbstractCegarLoop]: Abstraction has 853 states and 1159 transitions. [2023-12-16 04:29:31,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 21 states have (on average 5.904761904761905) internal successors, (124), 21 states have internal predecessors, (124), 9 states have call successors, (38), 6 states have call predecessors, (38), 8 states have return successors, (38), 8 states have call predecessors, (38), 9 states have call successors, (38) [2023-12-16 04:29:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1159 transitions. [2023-12-16 04:29:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-16 04:29:31,999 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:32,000 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:32,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-12-16 04:29:32,208 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 [2023-12-16 04:29:32,208 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:32,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:32,209 INFO L85 PathProgramCache]: Analyzing trace with hash -459074786, now seen corresponding path program 1 times [2023-12-16 04:29:32,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:32,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949604862] [2023-12-16 04:29:32,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:32,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:32,238 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:32,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1182139657] [2023-12-16 04:29:32,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:32,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:32,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:32,241 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) [2023-12-16 04:29:32,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-16 04:29:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:32,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 04:29:32,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:32,501 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:32,501 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:32,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:32,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949604862] [2023-12-16 04:29:32,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:32,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1182139657] [2023-12-16 04:29:32,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1182139657] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:32,502 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:32,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 04:29:32,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414442334] [2023-12-16 04:29:32,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:32,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 04:29:32,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:32,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 04:29:32,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:29:32,503 INFO L87 Difference]: Start difference. First operand 853 states and 1159 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:32,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:32,533 INFO L93 Difference]: Finished difference Result 1846 states and 2497 transitions. [2023-12-16 04:29:32,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 04:29:32,534 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 159 [2023-12-16 04:29:32,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:32,537 INFO L225 Difference]: With dead ends: 1846 [2023-12-16 04:29:32,537 INFO L226 Difference]: Without dead ends: 1213 [2023-12-16 04:29:32,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 04:29:32,539 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 35 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:32,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 315 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:29:32,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1213 states. [2023-12-16 04:29:32,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1213 to 1127. [2023-12-16 04:29:32,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1127 states, 1009 states have (on average 1.2755203171456888) internal successors, (1287), 1012 states have internal predecessors, (1287), 103 states have call successors, (103), 14 states have call predecessors, (103), 14 states have return successors, (103), 100 states have call predecessors, (103), 103 states have call successors, (103) [2023-12-16 04:29:32,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 1127 states and 1493 transitions. [2023-12-16 04:29:32,570 INFO L78 Accepts]: Start accepts. Automaton has 1127 states and 1493 transitions. Word has length 159 [2023-12-16 04:29:32,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:32,570 INFO L495 AbstractCegarLoop]: Abstraction has 1127 states and 1493 transitions. [2023-12-16 04:29:32,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:32,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1493 transitions. [2023-12-16 04:29:32,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-16 04:29:32,572 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:32,572 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:32,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:32,778 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 [2023-12-16 04:29:32,778 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:32,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:32,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1381523089, now seen corresponding path program 1 times [2023-12-16 04:29:32,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:32,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917675979] [2023-12-16 04:29:32,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:32,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:32,801 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:32,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1196453259] [2023-12-16 04:29:32,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:32,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:32,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:32,824 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) [2023-12-16 04:29:32,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-12-16 04:29:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 04:29:33,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 04:29:33,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 04:29:33,069 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-12-16 04:29:33,070 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 04:29:33,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 04:29:33,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917675979] [2023-12-16 04:29:33,070 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 04:29:33,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196453259] [2023-12-16 04:29:33,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196453259] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 04:29:33,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 04:29:33,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-16 04:29:33,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247265233] [2023-12-16 04:29:33,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 04:29:33,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-16 04:29:33,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 04:29:33,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-16 04:29:33,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-16 04:29:33,071 INFO L87 Difference]: Start difference. First operand 1127 states and 1493 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:33,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 04:29:33,117 INFO L93 Difference]: Finished difference Result 1952 states and 2607 transitions. [2023-12-16 04:29:33,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-16 04:29:33,118 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 159 [2023-12-16 04:29:33,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 04:29:33,121 INFO L225 Difference]: With dead ends: 1952 [2023-12-16 04:29:33,121 INFO L226 Difference]: Without dead ends: 1163 [2023-12-16 04:29:33,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 04:29:33,123 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 21 mSDsluCounter, 457 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 04:29:33,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 614 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 04:29:33,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1163 states. [2023-12-16 04:29:33,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1163 to 1145. [2023-12-16 04:29:33,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1145 states, 1027 states have (on average 1.2706913339824732) internal successors, (1305), 1030 states have internal predecessors, (1305), 103 states have call successors, (103), 14 states have call predecessors, (103), 14 states have return successors, (103), 100 states have call predecessors, (103), 103 states have call successors, (103) [2023-12-16 04:29:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1145 states to 1145 states and 1511 transitions. [2023-12-16 04:29:33,178 INFO L78 Accepts]: Start accepts. Automaton has 1145 states and 1511 transitions. Word has length 159 [2023-12-16 04:29:33,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 04:29:33,178 INFO L495 AbstractCegarLoop]: Abstraction has 1145 states and 1511 transitions. [2023-12-16 04:29:33,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-12-16 04:29:33,179 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1511 transitions. [2023-12-16 04:29:33,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-16 04:29:33,179 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 04:29:33,180 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 04:29:33,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:33,386 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 [2023-12-16 04:29:33,386 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 04:29:33,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 04:29:33,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1011308446, now seen corresponding path program 1 times [2023-12-16 04:29:33,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 04:29:33,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841640310] [2023-12-16 04:29:33,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:33,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 04:29:33,407 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 04:29:33,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1582390128] [2023-12-16 04:29:33,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 04:29:33,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 04:29:33,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 04:29:33,409 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) [2023-12-16 04:29:33,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-12-16 04:29:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 04:29:34,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-16 04:29:34,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-16 04:29:34,578 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-16 04:29:34,578 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-16 04:29:34,579 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 04:29:34,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-12-16 04:29:34,791 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 [2023-12-16 04:29:34,794 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] [2023-12-16 04:29:34,797 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 04:29:34,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 04:29:34 BoogieIcfgContainer [2023-12-16 04:29:34,891 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 04:29:34,892 INFO L158 Benchmark]: Toolchain (without parser) took 24917.51ms. Allocated memory was 239.1MB in the beginning and 436.2MB in the end (delta: 197.1MB). Free memory was 186.5MB in the beginning and 331.9MB in the end (delta: -145.5MB). Peak memory consumption was 52.8MB. Max. memory is 8.0GB. [2023-12-16 04:29:34,892 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 179.3MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 04:29:34,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.15ms. Allocated memory is still 239.1MB. Free memory was 186.1MB in the beginning and 168.8MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-12-16 04:29:34,892 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.62ms. Allocated memory is still 239.1MB. Free memory was 168.8MB in the beginning and 164.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-16 04:29:34,892 INFO L158 Benchmark]: Boogie Preprocessor took 55.40ms. Allocated memory is still 239.1MB. Free memory was 164.4MB in the beginning and 159.5MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-16 04:29:34,892 INFO L158 Benchmark]: RCFGBuilder took 648.28ms. Allocated memory is still 239.1MB. Free memory was 159.5MB in the beginning and 186.3MB in the end (delta: -26.7MB). Peak memory consumption was 23.4MB. Max. memory is 8.0GB. [2023-12-16 04:29:34,894 INFO L158 Benchmark]: TraceAbstraction took 23887.67ms. Allocated memory was 239.1MB in the beginning and 436.2MB in the end (delta: 197.1MB). Free memory was 185.7MB in the beginning and 331.9MB in the end (delta: -146.2MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. [2023-12-16 04:29:34,899 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 179.3MB. Free memory is still 129.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 251.15ms. Allocated memory is still 239.1MB. Free memory was 186.1MB in the beginning and 168.8MB in the end (delta: 17.3MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.62ms. Allocated memory is still 239.1MB. Free memory was 168.8MB in the beginning and 164.4MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 55.40ms. Allocated memory is still 239.1MB. Free memory was 164.4MB in the beginning and 159.5MB in the end (delta: 4.8MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 648.28ms. Allocated memory is still 239.1MB. Free memory was 159.5MB in the beginning and 186.3MB in the end (delta: -26.7MB). Peak memory consumption was 23.4MB. Max. memory is 8.0GB. * TraceAbstraction took 23887.67ms. Allocated memory was 239.1MB in the beginning and 436.2MB in the end (delta: 197.1MB). Free memory was 185.7MB in the beginning and 331.9MB in the end (delta: -146.2MB). Peak memory consumption was 51.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 127. Possible FailurePath: [L40] unsigned char isInitial = 0; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L41-L58] struct WrapperStruct00 WrapperStruct00 = { 0, 32, 10, 4, 2, 0.0, 64.2, 0.0, 0.25, 36833, 0, 0, 0, -32, 50, 2655070710 }; [L59] unsigned char last_1_WrapperStruct00_var_1_14 = 0; [L60] signed long int last_1_WrapperStruct00_var_1_18 = -32; [L61] unsigned long int last_1_WrapperStruct00_var_1_20 = 50; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L122] EXPR WrapperStruct00.var_1_14 [L122] last_1_WrapperStruct00_var_1_14 = WrapperStruct00.var_1_14 [L123] EXPR WrapperStruct00.var_1_18 [L123] last_1_WrapperStruct00_var_1_18 = WrapperStruct00.var_1_18 [L124] EXPR WrapperStruct00.var_1_20 [L124] last_1_WrapperStruct00_var_1_20 = WrapperStruct00.var_1_20 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L90] WrapperStruct00.var_1_4 = __VERIFIER_nondet_ushort() [L91] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L92] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L92] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L93] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L94] WrapperStruct00.var_1_7 = __VERIFIER_nondet_long() [L95] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L95] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L96] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 17) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 17) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L97] WrapperStruct00.var_1_8 = __VERIFIER_nondet_long() [L98] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_8 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L99] EXPR WrapperStruct00.var_1_8 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_8 <= 16) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_8 <= 16) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L100] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L101] EXPR WrapperStruct00.var_1_9 [L101] EXPR WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L101] EXPR WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F [L101] EXPR WrapperStruct00.var_1_9 [L101] EXPR WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L101] EXPR (WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L101] EXPR (WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L101] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L101] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= 4611686.018427387900e+12F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L102] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L103] EXPR WrapperStruct00.var_1_10 [L103] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L103] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_10 [L103] EXPR WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L103] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L103] EXPR (WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L103] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= 0.0F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427387900e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L104] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L105] EXPR WrapperStruct00.var_1_11 [L105] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L105] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F [L105] EXPR WrapperStruct00.var_1_11 [L105] EXPR WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L105] EXPR (WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L105] EXPR (WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L105] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= 0.0F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L106] WrapperStruct00.var_1_12 = __VERIFIER_nondet_double() [L107] EXPR WrapperStruct00.var_1_12 [L107] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L107] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_12 [L107] EXPR WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L107] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L107] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L108] WrapperStruct00.var_1_13 = __VERIFIER_nondet_ushort() [L109] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L109] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L110] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 65534) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L110] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 65534) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L111] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L112] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L113] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L113] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L113] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L114] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L115] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L116] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L116] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L116] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L117] WrapperStruct00.var_1_21 = __VERIFIER_nondet_ulong() [L118] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_21 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_21 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L119] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_21 <= 4294967294) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_21 <= 4294967294) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L135] RET updateVariables() [L136] CALL step() [L65] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L65] COND TRUE (WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18 [L66] EXPR WrapperStruct00.var_1_9 [L66] EXPR WrapperStruct00.var_1_10 [L66] EXPR WrapperStruct00.var_1_11 [L66] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L66] COND FALSE !(((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) [L72] EXPR WrapperStruct00.var_1_13 [L72] EXPR WrapperStruct00.var_1_6 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L72] COND TRUE WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6 [L73] EXPR WrapperStruct00.var_1_6 [L73] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L73] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13) [L73] EXPR WrapperStruct00.var_1_6 [L73] EXPR ((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L73] EXPR WrapperStruct00.var_1_6 [L73] WrapperStruct00.var_1_18 = (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6) [L75] COND FALSE !(\read(last_1_WrapperStruct00_var_1_14)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L78] EXPR WrapperStruct00.var_1_21 [L78] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L78] EXPR ((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)) [L78] EXPR ((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L78] WrapperStruct00.var_1_20 = ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))) [L79] EXPR WrapperStruct00.var_1_20 [L79] unsigned long int stepLocal_1 = WrapperStruct00.var_1_20; [L80] EXPR WrapperStruct00.var_1_20 [L80] unsigned long int stepLocal_0 = WrapperStruct00.var_1_20; [L81] EXPR WrapperStruct00.var_1_18 [L81] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L81] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L81] EXPR WrapperStruct00.var_1_18 [L81] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50, stepLocal_0=50, stepLocal_1=50] [L81] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L81] COND FALSE !((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > stepLocal_1) [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR WrapperStruct00.var_1_18 [L127] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) [L127] EXPR WrapperStruct00.var_1_18 [L127] EXPR ((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR WrapperStruct00.var_1_4 [L127] EXPR WrapperStruct00.var_1_20 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR ((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1 [L127] EXPR ((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR (((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR (((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13))) [L127] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR ((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)) [L127] EXPR WrapperStruct00.var_1_9 [L127] EXPR WrapperStruct00.var_1_10 [L127] EXPR WrapperStruct00.var_1_11 [L127] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR (((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1 [L127] EXPR WrapperStruct00.var_1_6 [L127] EXPR WrapperStruct00.var_1_13 [L127] EXPR WrapperStruct00.var_1_8 [L127] EXPR (((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR ((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR (((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR ((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR ((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR (((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR (((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR ((((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1)) && (WrapperStruct00.var_1_20 == ((unsigned long int) ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127] EXPR ((((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1)) && (WrapperStruct00.var_1_20 == ((unsigned long int) ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L127-L128] return ((((((((((WrapperStruct00.var_1_18) > (WrapperStruct00.var_1_18)) ? (WrapperStruct00.var_1_18) : (WrapperStruct00.var_1_18))) / WrapperStruct00.var_1_4) > WrapperStruct00.var_1_20) ? ((WrapperStruct00.var_1_20 == WrapperStruct00.var_1_18) ? (WrapperStruct00.var_1_1 == ((unsigned long int) 1000000000u)) : (WrapperStruct00.var_1_1 == ((unsigned long int) 128u))) : 1) && (((WrapperStruct00.var_1_4 - last_1_WrapperStruct00_var_1_20) == last_1_WrapperStruct00_var_1_18) ? ((((WrapperStruct00.var_1_9 - WrapperStruct00.var_1_10) - WrapperStruct00.var_1_11) > WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_8))) : 1) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_13)))) && (last_1_WrapperStruct00_var_1_14 ? (WrapperStruct00.var_1_14 == ((unsigned char) (WrapperStruct00.var_1_16 && WrapperStruct00.var_1_17))) : 1)) && ((WrapperStruct00.var_1_13 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_18 == ((signed long int) (((((WrapperStruct00.var_1_6) < (WrapperStruct00.var_1_13)) ? (WrapperStruct00.var_1_6) : (WrapperStruct00.var_1_13))) - WrapperStruct00.var_1_6))) : 1)) && (WrapperStruct00.var_1_20 == ((unsigned long int) ((((((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) < ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7))) ? (((((last_1_WrapperStruct00_var_1_20) < 0 ) ? -(last_1_WrapperStruct00_var_1_20) : (last_1_WrapperStruct00_var_1_20)))) : ((WrapperStruct00.var_1_21 - WrapperStruct00.var_1_7)))))) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_14=0, last_1_WrapperStruct00_var_1_18=-32, last_1_WrapperStruct00_var_1_20=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.7s, OverallIterations: 20, TraceHistogramMax: 19, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4371 SdHoareTripleChecker+Valid, 5.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4368 mSDsluCounter, 12933 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9554 mSDsCounter, 892 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7189 IncrementalHoareTripleChecker+Invalid, 8081 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 892 mSolverCounterUnsat, 3379 mSDtfsCounter, 7189 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3638 GetRequests, 3450 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 793 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1145occurred in iteration=19, InterpolantAutomatonStates: 164, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 19 MinimizatonAttempts, 2452 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 3429 NumberOfCodeBlocks, 3429 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3568 ConstructedInterpolants, 0 QuantifiedInterpolants, 19870 SizeOfPredicates, 103 NumberOfNonLiveVariables, 9472 ConjunctsInSsa, 351 ConjunctsInUnsatCore, 23 InterpolantComputations, 18 PerfectInterpolantSequences, 15069/15732 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-16 04:29:34,961 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...