/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:43:06,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:43:06,553 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 21:43:06,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:43:06,559 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:43:06,586 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:43:06,587 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:43:06,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:43:06,590 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:43:06,593 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:43:06,593 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:43:06,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:43:06,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:43:06,595 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:43:06,595 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:43:06,596 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:43:06,596 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:43:06,596 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:43:06,596 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:43:06,597 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:43:06,597 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:43:06,597 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:43:06,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:43:06,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:43:06,598 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:43:06,598 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:43:06,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:43:06,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:43:06,599 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:43:06,599 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:43:06,600 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:43:06,600 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:43:06,600 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:43:06,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:43:06,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:43:06,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:43:06,601 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:43:06,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:43:06,601 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:43:06,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:43:06,602 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:43:06,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:43:06,603 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:43:06,603 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:43:06,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:43:06,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:43:06,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:43:06,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:43:06,864 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:43:06,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i [2023-12-15 21:43:08,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:43:08,267 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:43:08,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i [2023-12-15 21:43:08,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47364c9b/47048a6bee2f45d5b0cf30b240a29cea/FLAG9fe087a37 [2023-12-15 21:43:08,288 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e47364c9b/47048a6bee2f45d5b0cf30b240a29cea [2023-12-15 21:43:08,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:43:08,291 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:43:08,292 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:43:08,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:43:08,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:43:08,299 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,300 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71cf82ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08, skipping insertion in model container [2023-12-15 21:43:08,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,351 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:43:08,468 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2023-12-15 21:43:08,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:43:08,521 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:43:08,531 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i[917,930] [2023-12-15 21:43:08,555 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:43:08,571 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:43:08,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08 WrapperNode [2023-12-15 21:43:08,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:43:08,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:43:08,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:43:08,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:43:08,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,589 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,637 INFO L138 Inliner]: procedures = 29, calls = 110, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 404 [2023-12-15 21:43:08,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:43:08,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:43:08,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:43:08,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:43:08,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,669 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,698 INFO L175 MemorySlicer]: Split 91 memory accesses to 2 slices as follows [2, 89]. 98 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [2, 9]. The 12 writes are split as follows [0, 12]. [2023-12-15 21:43:08,699 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,699 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:43:08,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:43:08,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:43:08,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:43:08,762 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (1/1) ... [2023-12-15 21:43:08,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:43:08,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:08,796 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) [2023-12-15 21:43:08,807 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 [2023-12-15 21:43:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:43:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-15 21:43:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-15 21:43:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-15 21:43:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-15 21:43:08,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-15 21:43:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-15 21:43:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-15 21:43:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-15 21:43:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-15 21:43:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-15 21:43:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:43:08,827 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:43:08,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:43:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 21:43:08,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:43:08,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:43:08,935 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:43:08,938 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:43:09,302 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:43:09,345 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:43:09,345 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:43:09,346 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:43:09 BoogieIcfgContainer [2023-12-15 21:43:09,346 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:43:09,348 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:43:09,348 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:43:09,351 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:43:09,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:43:08" (1/3) ... [2023-12-15 21:43:09,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a719c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:43:09, skipping insertion in model container [2023-12-15 21:43:09,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:43:08" (2/3) ... [2023-12-15 21:43:09,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a719c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:43:09, skipping insertion in model container [2023-12-15 21:43:09,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:43:09" (3/3) ... [2023-12-15 21:43:09,353 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-21.i [2023-12-15 21:43:09,368 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:43:09,368 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:43:09,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:43:09,429 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;@395101f0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:43:09,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:43:09,433 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:09,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-15 21:43:09,443 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:09,443 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:09,444 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:09,448 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:09,448 INFO L85 PathProgramCache]: Analyzing trace with hash 1290283932, now seen corresponding path program 1 times [2023-12-15 21:43:09,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:09,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122054742] [2023-12-15 21:43:09,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:09,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:09,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:09,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122054742] [2023-12-15 21:43:09,653 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:43:09,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48078102] [2023-12-15 21:43:09,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:09,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:09,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:09,658 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) [2023-12-15 21:43:09,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 21:43:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:09,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 21:43:09,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:09,917 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-15 21:43:09,917 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:09,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48078102] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:09,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:09,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:43:09,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [50411081] [2023-12-15 21:43:09,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:09,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:43:09,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:09,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:43:09,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:43:09,950 INFO L87 Difference]: Start difference. First operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-15 21:43:10,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:10,001 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-12-15 21:43:10,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:43:10,004 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 75 [2023-12-15 21:43:10,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:10,012 INFO L225 Difference]: With dead ends: 175 [2023-12-15 21:43:10,012 INFO L226 Difference]: Without dead ends: 87 [2023-12-15 21:43:10,017 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:43:10,022 INFO L413 NwaCegarLoop]: 126 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, 126 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 [2023-12-15 21:43:10,023 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:43:10,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-12-15 21:43:10,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-12-15 21:43:10,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:10,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-12-15 21:43:10,072 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-12-15 21:43:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:10,073 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-12-15 21:43:10,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2023-12-15 21:43:10,074 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-12-15 21:43:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-15 21:43:10,079 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:10,080 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:10,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:10,285 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 [2023-12-15 21:43:10,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:10,287 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:10,287 INFO L85 PathProgramCache]: Analyzing trace with hash -186348586, now seen corresponding path program 1 times [2023-12-15 21:43:10,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:10,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557970737] [2023-12-15 21:43:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:10,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:10,371 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:10,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350328800] [2023-12-15 21:43:10,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:10,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:10,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:10,380 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) [2023-12-15 21:43:10,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 21:43:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:10,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-15 21:43:10,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:11,195 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 [2023-12-15 21:43:11,283 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 23 treesize of output 11 [2023-12-15 21:43:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-15 21:43:11,325 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:43:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-15 21:43:11,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:11,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557970737] [2023-12-15 21:43:11,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:11,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350328800] [2023-12-15 21:43:11,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350328800] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:43:11,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:43:11,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-12-15 21:43:11,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142398393] [2023-12-15 21:43:11,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:43:11,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-15 21:43:11,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:11,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-15 21:43:11,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-12-15 21:43:11,677 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 17 states, 15 states have (on average 5.733333333333333) internal successors, (86), 17 states have internal predecessors, (86), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-15 21:43:12,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:12,359 INFO L93 Difference]: Finished difference Result 287 states and 427 transitions. [2023-12-15 21:43:12,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-15 21:43:12,359 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.733333333333333) internal successors, (86), 17 states have internal predecessors, (86), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) Word has length 75 [2023-12-15 21:43:12,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:12,362 INFO L225 Difference]: With dead ends: 287 [2023-12-15 21:43:12,362 INFO L226 Difference]: Without dead ends: 201 [2023-12-15 21:43:12,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=463, Unknown=0, NotChecked=0, Total=650 [2023-12-15 21:43:12,364 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 416 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 633 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 417 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 633 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:12,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 1064 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 21:43:12,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-12-15 21:43:12,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 100. [2023-12-15 21:43:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 91 states have (on average 1.4945054945054945) internal successors, (136), 91 states have internal predecessors, (136), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:12,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 150 transitions. [2023-12-15 21:43:12,377 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 150 transitions. Word has length 75 [2023-12-15 21:43:12,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:12,378 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 150 transitions. [2023-12-15 21:43:12,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.733333333333333) internal successors, (86), 17 states have internal predecessors, (86), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-15 21:43:12,378 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 150 transitions. [2023-12-15 21:43:12,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-15 21:43:12,379 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:12,380 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:12,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:12,586 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 [2023-12-15 21:43:12,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:12,587 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:12,587 INFO L85 PathProgramCache]: Analyzing trace with hash -1731781753, now seen corresponding path program 1 times [2023-12-15 21:43:12,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:12,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254337476] [2023-12-15 21:43:12,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:12,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:12,642 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:12,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [573667680] [2023-12-15 21:43:12,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:12,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:12,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:12,654 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) [2023-12-15 21:43:12,656 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 21:43:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:12,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 21:43:12,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:12,834 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:12,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:12,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:12,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254337476] [2023-12-15 21:43:12,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:12,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [573667680] [2023-12-15 21:43:12,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [573667680] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:12,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:12,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:43:12,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184014285] [2023-12-15 21:43:12,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:12,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:43:12,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:12,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:43:12,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:12,838 INFO L87 Difference]: Start difference. First operand 100 states and 150 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:12,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:12,867 INFO L93 Difference]: Finished difference Result 243 states and 365 transitions. [2023-12-15 21:43:12,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:43:12,869 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 76 [2023-12-15 21:43:12,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:12,872 INFO L225 Difference]: With dead ends: 243 [2023-12-15 21:43:12,872 INFO L226 Difference]: Without dead ends: 144 [2023-12-15 21:43:12,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:12,879 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 52 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:12,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 262 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:43:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-15 21:43:12,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 110. [2023-12-15 21:43:12,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 101 states have (on average 1.495049504950495) internal successors, (151), 101 states have internal predecessors, (151), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:12,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 165 transitions. [2023-12-15 21:43:12,893 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 165 transitions. Word has length 76 [2023-12-15 21:43:12,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:12,893 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 165 transitions. [2023-12-15 21:43:12,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:12,894 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2023-12-15 21:43:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-15 21:43:12,895 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:12,895 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:12,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:13,101 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 [2023-12-15 21:43:13,102 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:13,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:13,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1171200636, now seen corresponding path program 1 times [2023-12-15 21:43:13,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:13,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073853475] [2023-12-15 21:43:13,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:13,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:13,127 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:13,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1364805099] [2023-12-15 21:43:13,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:13,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:13,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:13,129 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) [2023-12-15 21:43:13,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 21:43:13,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:13,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 21:43:13,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:13,293 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:13,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:13,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:13,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073853475] [2023-12-15 21:43:13,293 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:13,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364805099] [2023-12-15 21:43:13,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364805099] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:13,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:13,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:43:13,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189536005] [2023-12-15 21:43:13,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:13,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:43:13,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:13,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:43:13,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:13,295 INFO L87 Difference]: Start difference. First operand 110 states and 165 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:13,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:13,323 INFO L93 Difference]: Finished difference Result 242 states and 361 transitions. [2023-12-15 21:43:13,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:43:13,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 77 [2023-12-15 21:43:13,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:13,325 INFO L225 Difference]: With dead ends: 242 [2023-12-15 21:43:13,325 INFO L226 Difference]: Without dead ends: 133 [2023-12-15 21:43:13,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:13,326 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 44 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:13,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 239 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:43:13,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-12-15 21:43:13,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 110. [2023-12-15 21:43:13,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 101 states have (on average 1.4752475247524752) internal successors, (149), 101 states have internal predecessors, (149), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 163 transitions. [2023-12-15 21:43:13,336 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 163 transitions. Word has length 77 [2023-12-15 21:43:13,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:13,336 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 163 transitions. [2023-12-15 21:43:13,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-12-15 21:43:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-15 21:43:13,338 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:13,338 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:13,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:13,544 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 [2023-12-15 21:43:13,544 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:13,545 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:13,545 INFO L85 PathProgramCache]: Analyzing trace with hash -602377445, now seen corresponding path program 1 times [2023-12-15 21:43:13,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:13,545 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1877971838] [2023-12-15 21:43:13,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:13,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:13,568 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:13,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1595016290] [2023-12-15 21:43:13,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:13,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:13,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:13,570 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) [2023-12-15 21:43:13,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 21:43:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:13,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 21:43:13,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:13,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-15 21:43:13,747 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 15 treesize of output 7 [2023-12-15 21:43:13,755 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:13,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:13,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:13,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1877971838] [2023-12-15 21:43:13,756 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:13,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595016290] [2023-12-15 21:43:13,756 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595016290] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:13,756 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:13,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:43:13,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823593052] [2023-12-15 21:43:13,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:13,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:43:13,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:13,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:43:13,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:13,758 INFO L87 Difference]: Start difference. First operand 110 states and 163 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:13,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:13,778 INFO L93 Difference]: Finished difference Result 219 states and 325 transitions. [2023-12-15 21:43:13,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:43:13,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 78 [2023-12-15 21:43:13,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:13,780 INFO L225 Difference]: With dead ends: 219 [2023-12-15 21:43:13,780 INFO L226 Difference]: Without dead ends: 110 [2023-12-15 21:43:13,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:13,781 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 1 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:13,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 245 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:43:13,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-15 21:43:13,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-12-15 21:43:13,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 101 states have (on average 1.4554455445544554) internal successors, (147), 101 states have internal predecessors, (147), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:13,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2023-12-15 21:43:13,798 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 78 [2023-12-15 21:43:13,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:13,798 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2023-12-15 21:43:13,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2023-12-15 21:43:13,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-15 21:43:13,800 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:13,800 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:13,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:14,006 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 [2023-12-15 21:43:14,006 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:14,007 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:14,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1882241123, now seen corresponding path program 1 times [2023-12-15 21:43:14,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:14,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425390439] [2023-12-15 21:43:14,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:14,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:14,030 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:14,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653814080] [2023-12-15 21:43:14,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:14,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:14,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:14,032 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) [2023-12-15 21:43:14,048 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 21:43:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:14,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-15 21:43:14,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:14,800 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 [2023-12-15 21:43:14,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-15 21:43:14,886 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 23 treesize of output 11 [2023-12-15 21:43:14,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-15 21:43:14,947 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 23 treesize of output 11 [2023-12-15 21:43:14,977 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-15 21:43:14,978 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:43:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-15 21:43:15,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:15,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425390439] [2023-12-15 21:43:15,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:15,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653814080] [2023-12-15 21:43:15,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653814080] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:43:15,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:43:15,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2023-12-15 21:43:15,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855427604] [2023-12-15 21:43:15,516 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:43:15,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-15 21:43:15,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:15,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-15 21:43:15,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2023-12-15 21:43:15,518 INFO L87 Difference]: Start difference. First operand 110 states and 161 transitions. Second operand has 19 states, 17 states have (on average 5.411764705882353) internal successors, (92), 19 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-15 21:43:15,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:15,982 INFO L93 Difference]: Finished difference Result 280 states and 409 transitions. [2023-12-15 21:43:15,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 21:43:15,983 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 5.411764705882353) internal successors, (92), 19 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) Word has length 78 [2023-12-15 21:43:15,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:15,984 INFO L225 Difference]: With dead ends: 280 [2023-12-15 21:43:15,984 INFO L226 Difference]: Without dead ends: 171 [2023-12-15 21:43:15,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2023-12-15 21:43:15,986 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 712 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 713 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:15,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [713 Valid, 770 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 21:43:15,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-15 21:43:16,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 102. [2023-12-15 21:43:16,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 93 states have (on average 1.4516129032258065) internal successors, (135), 93 states have internal predecessors, (135), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 149 transitions. [2023-12-15 21:43:16,002 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 149 transitions. Word has length 78 [2023-12-15 21:43:16,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:16,003 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 149 transitions. [2023-12-15 21:43:16,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 5.411764705882353) internal successors, (92), 19 states have internal predecessors, (92), 4 states have call successors, (14), 2 states have call predecessors, (14), 4 states have return successors, (14), 2 states have call predecessors, (14), 4 states have call successors, (14) [2023-12-15 21:43:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2023-12-15 21:43:16,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-15 21:43:16,004 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:16,005 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:16,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:16,211 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 [2023-12-15 21:43:16,211 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:16,212 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:16,212 INFO L85 PathProgramCache]: Analyzing trace with hash -273789707, now seen corresponding path program 1 times [2023-12-15 21:43:16,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:16,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301492593] [2023-12-15 21:43:16,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:16,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:16,233 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:16,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [174792795] [2023-12-15 21:43:16,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:16,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:16,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:16,235 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) [2023-12-15 21:43:16,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 21:43:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:16,385 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 21:43:16,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:16,403 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:16,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:16,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:16,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301492593] [2023-12-15 21:43:16,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:16,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [174792795] [2023-12-15 21:43:16,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [174792795] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:16,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:16,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:43:16,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371960884] [2023-12-15 21:43:16,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:16,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:43:16,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:16,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:43:16,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:43:16,410 INFO L87 Difference]: Start difference. First operand 102 states and 149 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:16,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:16,454 INFO L93 Difference]: Finished difference Result 222 states and 325 transitions. [2023-12-15 21:43:16,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:43:16,455 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 78 [2023-12-15 21:43:16,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:16,456 INFO L225 Difference]: With dead ends: 222 [2023-12-15 21:43:16,457 INFO L226 Difference]: Without dead ends: 121 [2023-12-15 21:43:16,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 21:43:16,458 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 61 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:16,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 508 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:43:16,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-15 21:43:16,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 103. [2023-12-15 21:43:16,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 94 states have (on average 1.446808510638298) internal successors, (136), 94 states have internal predecessors, (136), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:16,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2023-12-15 21:43:16,463 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 78 [2023-12-15 21:43:16,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:16,464 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2023-12-15 21:43:16,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:16,464 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2023-12-15 21:43:16,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-15 21:43:16,464 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:16,465 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:16,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:16,671 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 [2023-12-15 21:43:16,671 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:16,672 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:16,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1339576819, now seen corresponding path program 1 times [2023-12-15 21:43:16,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:16,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588592556] [2023-12-15 21:43:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:16,697 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:16,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [947216567] [2023-12-15 21:43:16,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:16,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:16,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:16,698 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) [2023-12-15 21:43:16,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 21:43:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:16,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-15 21:43:16,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:17,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-15 21:43:17,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-15 21:43:17,409 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2023-12-15 21:43:17,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-15 21:43:17,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 33 [2023-12-15 21:43:17,531 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-15 21:43:17,532 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:43:17,608 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:17,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:17,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588592556] [2023-12-15 21:43:17,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:17,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [947216567] [2023-12-15 21:43:17,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [947216567] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-15 21:43:17,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:43:17,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 15 [2023-12-15 21:43:17,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147701944] [2023-12-15 21:43:17,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:17,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 21:43:17,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:17,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 21:43:17,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-12-15 21:43:17,610 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:17,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:17,757 INFO L93 Difference]: Finished difference Result 249 states and 358 transitions. [2023-12-15 21:43:17,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 21:43:17,758 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 79 [2023-12-15 21:43:17,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:17,759 INFO L225 Difference]: With dead ends: 249 [2023-12-15 21:43:17,759 INFO L226 Difference]: Without dead ends: 147 [2023-12-15 21:43:17,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-12-15 21:43:17,760 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 114 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:17,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 532 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:43:17,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-15 21:43:17,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 122. [2023-12-15 21:43:17,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 113 states have (on average 1.415929203539823) internal successors, (160), 113 states have internal predecessors, (160), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2023-12-15 21:43:17,765 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 79 [2023-12-15 21:43:17,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:17,766 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2023-12-15 21:43:17,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2023-12-15 21:43:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-15 21:43:17,767 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:17,767 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:17,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:17,973 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 [2023-12-15 21:43:17,973 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:17,974 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:17,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1732721936, now seen corresponding path program 1 times [2023-12-15 21:43:17,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:17,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073188233] [2023-12-15 21:43:17,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:17,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:17,997 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:17,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [505729350] [2023-12-15 21:43:17,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:17,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:17,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:17,999 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) [2023-12-15 21:43:18,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 21:43:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:18,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 21:43:18,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:18,148 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:18,148 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:18,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073188233] [2023-12-15 21:43:18,148 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:18,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [505729350] [2023-12-15 21:43:18,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [505729350] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:18,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:18,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:43:18,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499030649] [2023-12-15 21:43:18,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:18,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:43:18,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:18,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:43:18,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:18,150 INFO L87 Difference]: Start difference. First operand 122 states and 174 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:18,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:18,183 INFO L93 Difference]: Finished difference Result 295 states and 419 transitions. [2023-12-15 21:43:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:43:18,184 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 80 [2023-12-15 21:43:18,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:18,185 INFO L225 Difference]: With dead ends: 295 [2023-12-15 21:43:18,185 INFO L226 Difference]: Without dead ends: 174 [2023-12-15 21:43:18,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:18,186 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 46 mSDsluCounter, 113 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:18,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 237 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:43:18,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-12-15 21:43:18,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 139. [2023-12-15 21:43:18,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 130 states have (on average 1.4076923076923078) internal successors, (183), 130 states have internal predecessors, (183), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:18,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 197 transitions. [2023-12-15 21:43:18,192 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 197 transitions. Word has length 80 [2023-12-15 21:43:18,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:18,192 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 197 transitions. [2023-12-15 21:43:18,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 197 transitions. [2023-12-15 21:43:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 21:43:18,193 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:18,193 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:18,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:18,399 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 [2023-12-15 21:43:18,399 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:18,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:18,400 INFO L85 PathProgramCache]: Analyzing trace with hash 459376482, now seen corresponding path program 1 times [2023-12-15 21:43:18,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:18,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500917774] [2023-12-15 21:43:18,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:18,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:18,423 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:18,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2137453671] [2023-12-15 21:43:18,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:18,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:18,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:18,426 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) [2023-12-15 21:43:18,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-15 21:43:18,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:18,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-15 21:43:18,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:18,595 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:18,595 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:18,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:18,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500917774] [2023-12-15 21:43:18,596 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:18,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137453671] [2023-12-15 21:43:18,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137453671] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:18,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:18,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:43:18,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399471156] [2023-12-15 21:43:18,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:18,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:43:18,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:18,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:43:18,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:43:18,599 INFO L87 Difference]: Start difference. First operand 139 states and 197 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:18,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:18,632 INFO L93 Difference]: Finished difference Result 145 states and 203 transitions. [2023-12-15 21:43:18,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:43:18,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-12-15 21:43:18,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:18,633 INFO L225 Difference]: With dead ends: 145 [2023-12-15 21:43:18,633 INFO L226 Difference]: Without dead ends: 143 [2023-12-15 21:43:18,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:43:18,634 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 10 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:18,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 475 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:43:18,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-15 21:43:18,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 142. [2023-12-15 21:43:18,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 133 states have (on average 1.3984962406015038) internal successors, (186), 133 states have internal predecessors, (186), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:18,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 200 transitions. [2023-12-15 21:43:18,642 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 200 transitions. Word has length 81 [2023-12-15 21:43:18,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:18,642 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 200 transitions. [2023-12-15 21:43:18,642 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:18,642 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2023-12-15 21:43:18,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 21:43:18,643 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:18,644 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:18,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:18,852 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 [2023-12-15 21:43:18,852 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:18,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:18,853 INFO L85 PathProgramCache]: Analyzing trace with hash -271067465, now seen corresponding path program 1 times [2023-12-15 21:43:18,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:18,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105745800] [2023-12-15 21:43:18,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:18,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:18,887 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:18,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1851863869] [2023-12-15 21:43:18,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:18,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:18,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:18,888 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) [2023-12-15 21:43:18,895 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-15 21:43:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:19,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 21:43:19,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:19,042 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:19,042 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:19,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:19,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105745800] [2023-12-15 21:43:19,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:19,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851863869] [2023-12-15 21:43:19,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851863869] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:19,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:19,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:43:19,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592744339] [2023-12-15 21:43:19,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:19,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 21:43:19,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:19,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 21:43:19,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:19,044 INFO L87 Difference]: Start difference. First operand 142 states and 200 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:19,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:19,063 INFO L93 Difference]: Finished difference Result 286 states and 405 transitions. [2023-12-15 21:43:19,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 21:43:19,063 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-12-15 21:43:19,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:19,064 INFO L225 Difference]: With dead ends: 286 [2023-12-15 21:43:19,064 INFO L226 Difference]: Without dead ends: 145 [2023-12-15 21:43:19,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 21:43:19,065 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:19,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 243 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:43:19,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-15 21:43:19,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2023-12-15 21:43:19,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 136 states have (on average 1.3897058823529411) internal successors, (189), 136 states have internal predecessors, (189), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-12-15 21:43:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 203 transitions. [2023-12-15 21:43:19,071 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 203 transitions. Word has length 81 [2023-12-15 21:43:19,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:19,071 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 203 transitions. [2023-12-15 21:43:19,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 203 transitions. [2023-12-15 21:43:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 21:43:19,072 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:19,072 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:19,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:19,278 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 [2023-12-15 21:43:19,278 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:19,278 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:19,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1282184715, now seen corresponding path program 1 times [2023-12-15 21:43:19,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:19,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029720673] [2023-12-15 21:43:19,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:19,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:19,295 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:19,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1166246142] [2023-12-15 21:43:19,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:19,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:19,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:19,297 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) [2023-12-15 21:43:19,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-15 21:43:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:19,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-15 21:43:19,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:19,532 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 23 treesize of output 11 [2023-12-15 21:43:19,740 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 23 treesize of output 11 [2023-12-15 21:43:19,880 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 23 treesize of output 11 [2023-12-15 21:43:20,010 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 23 treesize of output 11 [2023-12-15 21:43:20,241 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 23 treesize of output 11 [2023-12-15 21:43:20,366 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 23 treesize of output 11 [2023-12-15 21:43:20,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-15 21:43:20,466 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 23 treesize of output 11 [2023-12-15 21:43:20,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:43:20,676 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 45 treesize of output 41 [2023-12-15 21:43:20,716 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-15 21:43:20,716 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:43:21,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:21,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029720673] [2023-12-15 21:43:21,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:21,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1166246142] [2023-12-15 21:43:21,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1166246142] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-15 21:43:21,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-15 21:43:21,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2023-12-15 21:43:21,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085416711] [2023-12-15 21:43:21,002 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-15 21:43:21,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-15 21:43:21,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:21,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-15 21:43:21,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2023-12-15 21:43:21,003 INFO L87 Difference]: Start difference. First operand 145 states and 203 transitions. Second operand has 16 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-15 21:43:21,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:21,785 INFO L93 Difference]: Finished difference Result 424 states and 595 transitions. [2023-12-15 21:43:21,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-15 21:43:21,786 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) Word has length 81 [2023-12-15 21:43:21,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:21,788 INFO L225 Difference]: With dead ends: 424 [2023-12-15 21:43:21,788 INFO L226 Difference]: Without dead ends: 280 [2023-12-15 21:43:21,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2023-12-15 21:43:21,789 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 349 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 1046 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:21,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1046 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 21:43:21,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-12-15 21:43:21,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 256. [2023-12-15 21:43:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 239 states have (on average 1.3849372384937237) internal successors, (331), 239 states have internal predecessors, (331), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-15 21:43:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 359 transitions. [2023-12-15 21:43:21,801 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 359 transitions. Word has length 81 [2023-12-15 21:43:21,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:21,802 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 359 transitions. [2023-12-15 21:43:21,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.6666666666666665) internal successors, (55), 15 states have internal predecessors, (55), 3 states have call successors, (7), 2 states have call predecessors, (7), 3 states have return successors, (7), 2 states have call predecessors, (7), 3 states have call successors, (7) [2023-12-15 21:43:21,802 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 359 transitions. [2023-12-15 21:43:21,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-15 21:43:21,803 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:21,803 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:21,809 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:22,009 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 [2023-12-15 21:43:22,009 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:22,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:22,010 INFO L85 PathProgramCache]: Analyzing trace with hash -652450518, now seen corresponding path program 1 times [2023-12-15 21:43:22,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:22,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793096437] [2023-12-15 21:43:22,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:22,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:22,030 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:22,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1846844548] [2023-12-15 21:43:22,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:22,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:22,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:22,032 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) [2023-12-15 21:43:22,059 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-15 21:43:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:22,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 21:43:22,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:22,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2023-12-15 21:43:22,273 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:22,273 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:22,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:22,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793096437] [2023-12-15 21:43:22,273 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:22,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846844548] [2023-12-15 21:43:22,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846844548] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:22,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:22,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 21:43:22,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27575460] [2023-12-15 21:43:22,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:22,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:43:22,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:22,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:43:22,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:43:22,275 INFO L87 Difference]: Start difference. First operand 256 states and 359 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:22,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:22,424 INFO L93 Difference]: Finished difference Result 538 states and 748 transitions. [2023-12-15 21:43:22,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 21:43:22,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 81 [2023-12-15 21:43:22,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:22,426 INFO L225 Difference]: With dead ends: 538 [2023-12-15 21:43:22,426 INFO L226 Difference]: Without dead ends: 283 [2023-12-15 21:43:22,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:43:22,427 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 178 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:22,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 312 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 21:43:22,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-12-15 21:43:22,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 229. [2023-12-15 21:43:22,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 212 states have (on average 1.3773584905660377) internal successors, (292), 212 states have internal predecessors, (292), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-15 21:43:22,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 320 transitions. [2023-12-15 21:43:22,437 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 320 transitions. Word has length 81 [2023-12-15 21:43:22,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:22,438 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 320 transitions. [2023-12-15 21:43:22,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:22,438 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 320 transitions. [2023-12-15 21:43:22,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-15 21:43:22,439 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:22,439 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:22,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:22,639 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 [2023-12-15 21:43:22,639 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:22,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:22,640 INFO L85 PathProgramCache]: Analyzing trace with hash -356543312, now seen corresponding path program 1 times [2023-12-15 21:43:22,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:22,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809158912] [2023-12-15 21:43:22,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:22,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:22,656 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:22,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [970601100] [2023-12-15 21:43:22,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:22,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:22,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:22,669 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) [2023-12-15 21:43:22,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-15 21:43:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:43:22,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-15 21:43:22,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:43:22,847 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-12-15 21:43:22,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2023-12-15 21:43:22,927 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-15 21:43:22,927 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 49 treesize of output 29 [2023-12-15 21:43:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-15 21:43:22,954 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:43:22,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:43:22,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809158912] [2023-12-15 21:43:22,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:43:22,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [970601100] [2023-12-15 21:43:22,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [970601100] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:43:22,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:43:22,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-15 21:43:22,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800802237] [2023-12-15 21:43:22,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:43:22,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 21:43:22,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:43:22,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 21:43:22,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-15 21:43:22,956 INFO L87 Difference]: Start difference. First operand 229 states and 320 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:43:23,511 INFO L93 Difference]: Finished difference Result 695 states and 951 transitions. [2023-12-15 21:43:23,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-15 21:43:23,513 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 85 [2023-12-15 21:43:23,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:43:23,515 INFO L225 Difference]: With dead ends: 695 [2023-12-15 21:43:23,515 INFO L226 Difference]: Without dead ends: 467 [2023-12-15 21:43:23,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 170 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=216, Invalid=654, Unknown=0, NotChecked=0, Total=870 [2023-12-15 21:43:23,516 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 250 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 343 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 21:43:23,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 982 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 21:43:23,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-12-15 21:43:23,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 289. [2023-12-15 21:43:23,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 272 states have (on average 1.3823529411764706) internal successors, (376), 272 states have internal predecessors, (376), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-12-15 21:43:23,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 404 transitions. [2023-12-15 21:43:23,527 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 404 transitions. Word has length 85 [2023-12-15 21:43:23,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:43:23,528 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 404 transitions. [2023-12-15 21:43:23,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-12-15 21:43:23,528 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 404 transitions. [2023-12-15 21:43:23,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-15 21:43:23,529 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:43:23,529 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:23,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:23,735 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 [2023-12-15 21:43:23,736 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:43:23,736 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:43:23,736 INFO L85 PathProgramCache]: Analyzing trace with hash 249124114, now seen corresponding path program 1 times [2023-12-15 21:43:23,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:43:23,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252773748] [2023-12-15 21:43:23,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:23,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:43:23,752 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:43:23,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1436234081] [2023-12-15 21:43:23,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:43:23,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:43:23,753 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:43:23,754 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) [2023-12-15 21:43:23,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-15 21:43:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:43:23,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 21:43:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:43:24,078 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 21:43:24,079 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 21:43:24,080 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:43:24,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-15 21:43:24,289 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 [2023-12-15 21:43:24,292 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:43:24,294 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:43:24,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:43:24 BoogieIcfgContainer [2023-12-15 21:43:24,402 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:43:24,403 INFO L158 Benchmark]: Toolchain (without parser) took 16111.19ms. Allocated memory was 190.8MB in the beginning and 380.6MB in the end (delta: 189.8MB). Free memory was 145.3MB in the beginning and 296.4MB in the end (delta: -151.1MB). Peak memory consumption was 39.6MB. Max. memory is 8.0GB. [2023-12-15 21:43:24,403 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:43:24,403 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.62ms. Allocated memory is still 190.8MB. Free memory was 145.3MB in the beginning and 130.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-15 21:43:24,403 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.03ms. Allocated memory is still 190.8MB. Free memory was 130.7MB in the beginning and 127.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-15 21:43:24,404 INFO L158 Benchmark]: Boogie Preprocessor took 99.79ms. Allocated memory is still 190.8MB. Free memory was 127.5MB in the beginning and 123.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 21:43:24,404 INFO L158 Benchmark]: RCFGBuilder took 606.97ms. Allocated memory is still 190.8MB. Free memory was 123.3MB in the beginning and 95.0MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2023-12-15 21:43:24,404 INFO L158 Benchmark]: TraceAbstraction took 15053.52ms. Allocated memory was 190.8MB in the beginning and 380.6MB in the end (delta: 189.8MB). Free memory was 94.4MB in the beginning and 296.4MB in the end (delta: -202.0MB). There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:43:24,405 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 190.8MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 280.62ms. Allocated memory is still 190.8MB. Free memory was 145.3MB in the beginning and 130.7MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.03ms. Allocated memory is still 190.8MB. Free memory was 130.7MB in the beginning and 127.5MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 99.79ms. Allocated memory is still 190.8MB. Free memory was 127.5MB in the beginning and 123.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 606.97ms. Allocated memory is still 190.8MB. Free memory was 123.3MB in the beginning and 95.0MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 15053.52ms. Allocated memory was 190.8MB in the beginning and 380.6MB in the end (delta: 189.8MB). Free memory was 94.4MB in the beginning and 296.4MB in the end (delta: -202.0MB). There was no memory consumed. 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 103, overapproximation of someBinaryFLOATComparisonOperation at line 96. Possible FailurePath: [L33] unsigned char isInitial = 0; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L34-L44] struct WrapperStruct0 WrapperStruct0 = { 32, 0, 15.6, 15.4, 32.2, 1, 256, 5.75, 8.6 }; [L45] unsigned short int* WrapperStruct0_var_1_1_Pointer = &(WrapperStruct0.var_1_1); [L46] unsigned char* WrapperStruct0_var_1_7_Pointer = &(WrapperStruct0.var_1_7); [L47] double* WrapperStruct0_var_1_8_Pointer = &(WrapperStruct0.var_1_8); [L48] double* WrapperStruct0_var_1_9_Pointer = &(WrapperStruct0.var_1_9); [L49] double* WrapperStruct0_var_1_10_Pointer = &(WrapperStruct0.var_1_10); [L50] unsigned char* WrapperStruct0_var_1_12_Pointer = &(WrapperStruct0.var_1_12); [L51] signed short int* WrapperStruct0_var_1_13_Pointer = &(WrapperStruct0.var_1_13); [L52] float* WrapperStruct0_var_1_14_Pointer = &(WrapperStruct0.var_1_14); [L53] float* WrapperStruct0_var_1_15_Pointer = &(WrapperStruct0.var_1_15); [L54] unsigned char last_1_WrapperStruct0_var_1_7 = 0; [L55] signed short int last_1_WrapperStruct0_var_1_13 = 256; [L107] isInitial = 1 [L108] FCALL initially() [L109] COND TRUE 1 [L110] CALL updateLastVariables() [L99] EXPR WrapperStruct0.var_1_7 [L99] last_1_WrapperStruct0_var_1_7 = WrapperStruct0.var_1_7 [L100] EXPR WrapperStruct0.var_1_13 [L100] last_1_WrapperStruct0_var_1_13 = WrapperStruct0.var_1_13 [L110] RET updateLastVariables() [L111] CALL updateVariables() [L84] WrapperStruct0.var_1_8 = __VERIFIER_nondet_double() [L85] EXPR WrapperStruct0.var_1_8 [L85] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F [L85] EXPR WrapperStruct0.var_1_8 [L85] EXPR WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] EXPR (WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] CALL assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L85] RET assume_abort_if_not((WrapperStruct0.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_8 <= -1.0e-20F) || (WrapperStruct0.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L86] WrapperStruct0.var_1_9 = __VERIFIER_nondet_double() [L87] EXPR WrapperStruct0.var_1_9 [L87] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F [L87] EXPR WrapperStruct0.var_1_9 [L87] EXPR WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] EXPR (WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] EXPR (WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] CALL assume_abort_if_not((WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L87] RET assume_abort_if_not((WrapperStruct0.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_9 <= -1.0e-20F) || (WrapperStruct0.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L88] WrapperStruct0.var_1_10 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct0.var_1_10 [L89] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F [L89] EXPR WrapperStruct0.var_1_10 [L89] EXPR WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] EXPR (WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] EXPR (WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] CALL assume_abort_if_not((WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L89] RET assume_abort_if_not((WrapperStruct0.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct0.var_1_10 <= -1.0e-20F) || (WrapperStruct0.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L90] WrapperStruct0.var_1_12 = __VERIFIER_nondet_uchar() [L91] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L91] CALL assume_abort_if_not(WrapperStruct0.var_1_12 >= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L91] RET assume_abort_if_not(WrapperStruct0.var_1_12 >= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L92] EXPR WrapperStruct0.var_1_12 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L92] CALL assume_abort_if_not(WrapperStruct0.var_1_12 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L92] RET assume_abort_if_not(WrapperStruct0.var_1_12 <= 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L93] WrapperStruct0.var_1_14 = __VERIFIER_nondet_float() [L94] EXPR WrapperStruct0.var_1_14 [L94] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F [L94] EXPR WrapperStruct0.var_1_14 [L94] EXPR WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] EXPR (WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] EXPR (WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] CALL assume_abort_if_not((WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L94] RET assume_abort_if_not((WrapperStruct0.var_1_14 >= 0.0F && WrapperStruct0.var_1_14 <= -1.0e-20F) || (WrapperStruct0.var_1_14 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_14 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L95] WrapperStruct0.var_1_15 = __VERIFIER_nondet_float() [L96] EXPR WrapperStruct0.var_1_15 [L96] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F [L96] EXPR WrapperStruct0.var_1_15 [L96] EXPR WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] EXPR (WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] EXPR (WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F ) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] CALL assume_abort_if_not((WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L20] COND FALSE !(!cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L96] RET assume_abort_if_not((WrapperStruct0.var_1_15 >= 0.0F && WrapperStruct0.var_1_15 <= -1.0e-20F) || (WrapperStruct0.var_1_15 <= 9223372.036854776000e+12F && WrapperStruct0.var_1_15 >= 1.0e-20F )) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L111] RET updateVariables() [L112] CALL step() [L59] COND TRUE (last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L60] COND FALSE !(last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L68] EXPR \read(*WrapperStruct0_var_1_12_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L68] COND TRUE (*(WrapperStruct0_var_1_12_Pointer)) [L69] EXPR \read(*WrapperStruct0_var_1_14_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_15_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_10_Pointer) [L69] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L69] COND FALSE !(((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) [L72] EXPR \read(*WrapperStruct0_var_1_1_Pointer) [L72] (*(WrapperStruct0_var_1_13_Pointer)) = (*(WrapperStruct0_var_1_1_Pointer)) [L75] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L75] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L75] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L75] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L75] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L75] EXPR \read(*WrapperStruct0_var_1_10_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L75] COND TRUE (((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer)) [L76] last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L76] last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L76] COND FALSE !(last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) [L112] RET step() [L113] CALL, EXPR property() [L103] EXPR ((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1 [L103] EXPR (last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1 VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer))))) [L103] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L103] EXPR \read(*WrapperStruct0_var_1_9_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) [L103] EXPR \read(*WrapperStruct0_var_1_8_Pointer) [L103] EXPR (((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR \read(*WrapperStruct0_var_1_10_Pointer) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))) [L103] EXPR \read(*WrapperStruct0_var_1_7_Pointer) [L103] EXPR \read(*WrapperStruct0_var_1_12_Pointer) [L103] EXPR ((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR (((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer))))) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))))) && ((*(WrapperStruct0_var_1_12_Pointer)) ? ((((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (((((*(WrapperStruct0_var_1_1_Pointer))) > ((*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer))) : ((*(WrapperStruct0_var_1_1_Pointer))))))) : ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (*(WrapperStruct0_var_1_1_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103] EXPR ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))))) && ((*(WrapperStruct0_var_1_12_Pointer)) ? ((((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (((((*(WrapperStruct0_var_1_1_Pointer))) > ((*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer))) : ((*(WrapperStruct0_var_1_1_Pointer))))))) : ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (*(WrapperStruct0_var_1_1_Pointer))))) : 1) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L103-L104] return ((((last_1_WrapperStruct0_var_1_13 + ((((last_1_WrapperStruct0_var_1_13) > (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))) < (last_1_WrapperStruct0_var_1_13 * last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 < (last_1_WrapperStruct0_var_1_13 - last_1_WrapperStruct0_var_1_13)) ? ((last_1_WrapperStruct0_var_1_13 != (((((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) < 0 ) ? -((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13))) : ((((last_1_WrapperStruct0_var_1_13) < (last_1_WrapperStruct0_var_1_13)) ? (last_1_WrapperStruct0_var_1_13) : (last_1_WrapperStruct0_var_1_13)))))) ? ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13)) : 1) : 1) : ((*(WrapperStruct0_var_1_1_Pointer)) == ((unsigned short int) last_1_WrapperStruct0_var_1_13))) && (((((((*(WrapperStruct0_var_1_8_Pointer))) < ((*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_8_Pointer))) : ((*(WrapperStruct0_var_1_9_Pointer))))) <= (*(WrapperStruct0_var_1_10_Pointer))) ? ((last_1_WrapperStruct0_var_1_7 && ((*(WrapperStruct0_var_1_1_Pointer)) >= (*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(WrapperStruct0_var_1_7_Pointer)) == ((unsigned char) (*(WrapperStruct0_var_1_12_Pointer)))))) && ((*(WrapperStruct0_var_1_12_Pointer)) ? ((((*(WrapperStruct0_var_1_14_Pointer)) - (*(WrapperStruct0_var_1_15_Pointer))) >= (((*(WrapperStruct0_var_1_8_Pointer)) + (*(WrapperStruct0_var_1_10_Pointer))) + (*(WrapperStruct0_var_1_9_Pointer)))) ? ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (((((*(WrapperStruct0_var_1_1_Pointer))) > ((*(WrapperStruct0_var_1_1_Pointer)))) ? ((*(WrapperStruct0_var_1_1_Pointer))) : ((*(WrapperStruct0_var_1_1_Pointer))))))) : ((*(WrapperStruct0_var_1_13_Pointer)) == ((signed short int) (*(WrapperStruct0_var_1_1_Pointer))))) : 1) ; [L113] RET, EXPR property() [L113] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] [L19] reach_error() VAL [WrapperStruct0={4:0}, WrapperStruct0_var_1_10_Pointer={4:19}, WrapperStruct0_var_1_12_Pointer={4:27}, WrapperStruct0_var_1_13_Pointer={4:28}, WrapperStruct0_var_1_14_Pointer={4:30}, WrapperStruct0_var_1_15_Pointer={4:34}, WrapperStruct0_var_1_1_Pointer={4:0}, WrapperStruct0_var_1_7_Pointer={4:2}, WrapperStruct0_var_1_8_Pointer={4:3}, WrapperStruct0_var_1_9_Pointer={4:11}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct0_var_1_13=256, last_1_WrapperStruct0_var_1_7=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.9s, OverallIterations: 15, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2238 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2233 mSDsluCounter, 7041 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5320 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2476 IncrementalHoareTripleChecker+Invalid, 2571 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 1721 mSDtfsCounter, 2476 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1395 GetRequests, 1258 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=289occurred in iteration=14, InterpolantAutomatonStates: 113, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 562 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1265 NumberOfCodeBlocks, 1265 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1320 ConstructedInterpolants, 26 QuantifiedInterpolants, 8611 SizeOfPredicates, 93 NumberOfNonLiveVariables, 4351 ConjunctsInSsa, 194 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 1299/1428 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 [2023-12-15 21:43:24,450 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...