/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 02:31:40,555 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 02:31:40,629 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 02:31:40,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 02:31:40,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 02:31:40,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 02:31:40,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 02:31:40,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 02:31:40,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 02:31:40,674 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 02:31:40,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 02:31:40,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 02:31:40,676 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 02:31:40,677 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 02:31:40,677 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 02:31:40,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 02:31:40,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 02:31:40,678 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 02:31:40,678 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 02:31:40,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 02:31:40,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 02:31:40,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 02:31:40,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 02:31:40,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 02:31:40,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 02:31:40,679 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 02:31:40,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 02:31:40,680 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 02:31:40,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 02:31:40,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 02:31:40,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 02:31:40,681 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 02:31:40,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 02:31:40,682 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 02:31:40,682 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 02:31:40,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 02:31:40,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 02:31:40,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 02:31:40,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 02:31:40,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 02:31:40,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 02:31:40,683 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 02:31:40,683 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 02:31:40,683 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 02:31:40,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 02:31:40,947 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 02:31:40,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 02:31:40,950 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 02:31:40,951 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 02:31:40,952 INFO L431 ainManager$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 [2023-12-21 02:31:42,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 02:31:42,403 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 02:31:42,403 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-21.i [2023-12-21 02:31:42,412 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2236b151e/457b97ff1e8248aa9168ec2d15d9ac47/FLAGd50ade44f [2023-12-21 02:31:42,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2236b151e/457b97ff1e8248aa9168ec2d15d9ac47 [2023-12-21 02:31:42,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 02:31:42,426 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 02:31:42,428 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 02:31:42,428 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 02:31:42,432 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 02:31:42,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0f031b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42, skipping insertion in model container [2023-12-21 02:31:42,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,467 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 02:31:42,610 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] [2023-12-21 02:31:42,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 02:31:42,676 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 02:31:42,684 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] [2023-12-21 02:31:42,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 02:31:42,724 INFO L206 MainTranslator]: Completed translation [2023-12-21 02:31:42,725 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42 WrapperNode [2023-12-21 02:31:42,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 02:31:42,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 02:31:42,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 02:31:42,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 02:31:42,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,775 INFO L138 Inliner]: procedures = 29, calls = 110, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 404 [2023-12-21 02:31:42,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 02:31:42,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 02:31:42,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 02:31:42,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 02:31:42,789 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,794 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,809 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]. [2023-12-21 02:31:42,810 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,810 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,824 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,828 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,836 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 02:31:42,837 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 02:31:42,837 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 02:31:42,837 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 02:31:42,838 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (1/1) ... [2023-12-21 02:31:42,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 02:31:42,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:42,869 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-21 02:31:42,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-21 02:31:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 02:31:42,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-21 02:31:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-21 02:31:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-21 02:31:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-21 02:31:42,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-21 02:31:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-21 02:31:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-21 02:31:42,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-21 02:31:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-21 02:31:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-21 02:31:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-21 02:31:42,918 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-21 02:31:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 02:31:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-21 02:31:42,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 02:31:42,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 02:31:43,051 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 02:31:43,053 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 02:31:43,512 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 02:31:43,560 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 02:31:43,561 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 02:31:43,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:31:43 BoogieIcfgContainer [2023-12-21 02:31:43,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 02:31:43,563 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 02:31:43,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 02:31:43,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 02:31:43,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 02:31:42" (1/3) ... [2023-12-21 02:31:43,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d8ebb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:31:43, skipping insertion in model container [2023-12-21 02:31:43,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 02:31:42" (2/3) ... [2023-12-21 02:31:43,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47d8ebb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 02:31:43, skipping insertion in model container [2023-12-21 02:31:43,567 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 02:31:43" (3/3) ... [2023-12-21 02:31:43,569 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-21.i [2023-12-21 02:31:43,584 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 02:31:43,584 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 02:31:43,627 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 02:31:43,633 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;@441191b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 02:31:43,633 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 02:31:43,637 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) [2023-12-21 02:31:43,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-21 02:31:43,647 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:43,647 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] [2023-12-21 02:31:43,648 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:43,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:43,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1290283932, now seen corresponding path program 1 times [2023-12-21 02:31:43,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:43,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046391982] [2023-12-21 02:31:43,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:43,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:43,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:43,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046391982] [2023-12-21 02:31:43,807 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 02:31:43,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1294728054] [2023-12-21 02:31:43,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:43,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:43,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:43,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:43,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 02:31:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:43,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 02:31:43,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:44,031 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-12-21 02:31:44,031 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:44,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1294728054] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:44,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:44,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 02:31:44,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157538362] [2023-12-21 02:31:44,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:44,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 02:31:44,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:44,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 02:31:44,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 02:31:44,074 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) [2023-12-21 02:31:44,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:44,113 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-12-21 02:31:44,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 02:31:44,115 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 [2023-12-21 02:31:44,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:44,121 INFO L225 Difference]: With dead ends: 175 [2023-12-21 02:31:44,121 INFO L226 Difference]: Without dead ends: 87 [2023-12-21 02:31:44,124 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 [2023-12-21 02:31:44,127 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 [2023-12-21 02:31:44,128 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] [2023-12-21 02:31:44,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-12-21 02:31:44,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-12-21 02:31:44,166 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) [2023-12-21 02:31:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-12-21 02:31:44,175 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-12-21 02:31:44,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:44,176 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-12-21 02:31:44,176 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) [2023-12-21 02:31:44,177 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-12-21 02:31:44,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-12-21 02:31:44,183 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:44,184 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] [2023-12-21 02:31:44,196 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:44,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-21 02:31:44,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:44,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:44,393 INFO L85 PathProgramCache]: Analyzing trace with hash -186348586, now seen corresponding path program 1 times [2023-12-21 02:31:44,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:44,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952609811] [2023-12-21 02:31:44,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:44,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:44,477 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:44,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [372108979] [2023-12-21 02:31:44,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:44,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:44,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:44,487 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:44,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 02:31:44,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:44,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-21 02:31:44,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:45,337 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 [2023-12-21 02:31:45,423 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 [2023-12-21 02:31:45,465 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-21 02:31:45,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:31:45,824 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-21 02:31:45,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:45,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952609811] [2023-12-21 02:31:45,825 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:45,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372108979] [2023-12-21 02:31:45,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372108979] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 02:31:45,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 02:31:45,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 17 [2023-12-21 02:31:45,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559600878] [2023-12-21 02:31:45,826 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 02:31:45,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-21 02:31:45,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:45,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-21 02:31:45,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-12-21 02:31:45,833 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) [2023-12-21 02:31:46,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:46,542 INFO L93 Difference]: Finished difference Result 287 states and 427 transitions. [2023-12-21 02:31:46,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-21 02:31:46,543 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 [2023-12-21 02:31:46,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:46,551 INFO L225 Difference]: With dead ends: 287 [2023-12-21 02:31:46,552 INFO L226 Difference]: Without dead ends: 201 [2023-12-21 02:31:46,552 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 [2023-12-21 02:31:46,553 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, 0.4s IncrementalHoareTripleChecker+Time [2023-12-21 02:31:46,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [417 Valid, 1064 Invalid, 644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 633 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-21 02:31:46,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2023-12-21 02:31:46,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 100. [2023-12-21 02:31:46,566 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) [2023-12-21 02:31:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 150 transitions. [2023-12-21 02:31:46,567 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 150 transitions. Word has length 75 [2023-12-21 02:31:46,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:46,567 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 150 transitions. [2023-12-21 02:31:46,568 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) [2023-12-21 02:31:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 150 transitions. [2023-12-21 02:31:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-21 02:31:46,569 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:46,569 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] [2023-12-21 02:31:46,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-21 02:31:46,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-21 02:31:46,782 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:46,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:46,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1731781753, now seen corresponding path program 1 times [2023-12-21 02:31:46,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:46,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228431552] [2023-12-21 02:31:46,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:46,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:46,820 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:46,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [227530058] [2023-12-21 02:31:46,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:46,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:46,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:46,823 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:46,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 02:31:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:46,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 02:31:46,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:47,036 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:47,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:47,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:47,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228431552] [2023-12-21 02:31:47,038 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:47,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227530058] [2023-12-21 02:31:47,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227530058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:47,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:47,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 02:31:47,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318886143] [2023-12-21 02:31:47,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:47,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 02:31:47,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:47,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 02:31:47,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 02:31:47,041 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) [2023-12-21 02:31:47,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:47,073 INFO L93 Difference]: Finished difference Result 243 states and 365 transitions. [2023-12-21 02:31:47,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 02:31:47,074 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 [2023-12-21 02:31:47,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:47,076 INFO L225 Difference]: With dead ends: 243 [2023-12-21 02:31:47,077 INFO L226 Difference]: Without dead ends: 144 [2023-12-21 02:31:47,079 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 [2023-12-21 02:31:47,083 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 [2023-12-21 02:31:47,088 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] [2023-12-21 02:31:47,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2023-12-21 02:31:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 110. [2023-12-21 02:31:47,108 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) [2023-12-21 02:31:47,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 165 transitions. [2023-12-21 02:31:47,109 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 165 transitions. Word has length 76 [2023-12-21 02:31:47,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:47,110 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 165 transitions. [2023-12-21 02:31:47,110 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) [2023-12-21 02:31:47,110 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 165 transitions. [2023-12-21 02:31:47,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-12-21 02:31:47,111 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:47,111 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] [2023-12-21 02:31:47,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:47,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:47,321 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:47,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:47,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1171200636, now seen corresponding path program 1 times [2023-12-21 02:31:47,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:47,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989958674] [2023-12-21 02:31:47,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:47,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:47,365 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:47,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2130713425] [2023-12-21 02:31:47,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:47,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:47,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:47,373 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:47,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 02:31:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:47,526 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 02:31:47,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:47,560 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:47,560 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:47,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:47,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989958674] [2023-12-21 02:31:47,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:47,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2130713425] [2023-12-21 02:31:47,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2130713425] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:47,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:47,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 02:31:47,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249570914] [2023-12-21 02:31:47,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:47,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 02:31:47,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:47,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 02:31:47,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 02:31:47,563 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) [2023-12-21 02:31:47,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:47,593 INFO L93 Difference]: Finished difference Result 242 states and 361 transitions. [2023-12-21 02:31:47,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 02:31:47,594 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 [2023-12-21 02:31:47,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:47,596 INFO L225 Difference]: With dead ends: 242 [2023-12-21 02:31:47,596 INFO L226 Difference]: Without dead ends: 133 [2023-12-21 02:31:47,597 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 [2023-12-21 02:31:47,601 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 [2023-12-21 02:31:47,602 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] [2023-12-21 02:31:47,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-12-21 02:31:47,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 110. [2023-12-21 02:31:47,612 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) [2023-12-21 02:31:47,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 163 transitions. [2023-12-21 02:31:47,613 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 163 transitions. Word has length 77 [2023-12-21 02:31:47,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:47,613 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 163 transitions. [2023-12-21 02:31:47,613 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) [2023-12-21 02:31:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 163 transitions. [2023-12-21 02:31:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-21 02:31:47,615 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:47,615 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] [2023-12-21 02:31:47,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:47,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:47,822 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:47,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:47,823 INFO L85 PathProgramCache]: Analyzing trace with hash -602377445, now seen corresponding path program 1 times [2023-12-21 02:31:47,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:47,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417386062] [2023-12-21 02:31:47,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:47,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:47,868 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:47,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565577724] [2023-12-21 02:31:47,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:47,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:47,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:47,873 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:47,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 02:31:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:48,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-21 02:31:48,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:48,028 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-21 02:31:48,031 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 [2023-12-21 02:31:48,036 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:48,036 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:48,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:48,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417386062] [2023-12-21 02:31:48,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:48,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565577724] [2023-12-21 02:31:48,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565577724] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:48,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:48,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 02:31:48,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769553252] [2023-12-21 02:31:48,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:48,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 02:31:48,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:48,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 02:31:48,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 02:31:48,038 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) [2023-12-21 02:31:48,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:48,054 INFO L93 Difference]: Finished difference Result 219 states and 325 transitions. [2023-12-21 02:31:48,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 02:31:48,055 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 [2023-12-21 02:31:48,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:48,055 INFO L225 Difference]: With dead ends: 219 [2023-12-21 02:31:48,056 INFO L226 Difference]: Without dead ends: 110 [2023-12-21 02:31:48,056 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 [2023-12-21 02:31:48,057 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 [2023-12-21 02:31:48,057 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] [2023-12-21 02:31:48,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2023-12-21 02:31:48,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2023-12-21 02:31:48,063 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) [2023-12-21 02:31:48,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 161 transitions. [2023-12-21 02:31:48,063 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 161 transitions. Word has length 78 [2023-12-21 02:31:48,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:48,064 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 161 transitions. [2023-12-21 02:31:48,064 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) [2023-12-21 02:31:48,064 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2023-12-21 02:31:48,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-21 02:31:48,065 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:48,065 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] [2023-12-21 02:31:48,076 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:48,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:48,272 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:48,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:48,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1882241123, now seen corresponding path program 1 times [2023-12-21 02:31:48,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:48,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859804761] [2023-12-21 02:31:48,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:48,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:48,318 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:48,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1726943733] [2023-12-21 02:31:48,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:48,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:48,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:48,324 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:48,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-21 02:31:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:48,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-21 02:31:48,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:49,163 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 [2023-12-21 02:31:49,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:31:49,244 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 [2023-12-21 02:31:49,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:31:49,292 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 [2023-12-21 02:31:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-21 02:31:49,324 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:31:49,881 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-21 02:31:49,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:49,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859804761] [2023-12-21 02:31:49,881 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:49,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726943733] [2023-12-21 02:31:49,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726943733] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 02:31:49,882 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 02:31:49,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2023-12-21 02:31:49,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331726579] [2023-12-21 02:31:49,882 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 02:31:49,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-12-21 02:31:49,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:49,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-12-21 02:31:49,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=262, Unknown=0, NotChecked=0, Total=342 [2023-12-21 02:31:49,884 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) [2023-12-21 02:31:50,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:50,307 INFO L93 Difference]: Finished difference Result 280 states and 409 transitions. [2023-12-21 02:31:50,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-21 02:31:50,308 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 [2023-12-21 02:31:50,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:50,309 INFO L225 Difference]: With dead ends: 280 [2023-12-21 02:31:50,309 INFO L226 Difference]: Without dead ends: 171 [2023-12-21 02:31:50,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2023-12-21 02:31:50,310 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 712 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2023-12-21 02:31:50,311 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] [2023-12-21 02:31:50,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-12-21 02:31:50,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 102. [2023-12-21 02:31:50,317 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) [2023-12-21 02:31:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 149 transitions. [2023-12-21 02:31:50,318 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 149 transitions. Word has length 78 [2023-12-21 02:31:50,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:50,318 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 149 transitions. [2023-12-21 02:31:50,319 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) [2023-12-21 02:31:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 149 transitions. [2023-12-21 02:31:50,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-21 02:31:50,320 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:50,320 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] [2023-12-21 02:31:50,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:50,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:50,528 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:50,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:50,529 INFO L85 PathProgramCache]: Analyzing trace with hash -273789707, now seen corresponding path program 1 times [2023-12-21 02:31:50,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:50,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190068577] [2023-12-21 02:31:50,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:50,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:50,550 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:50,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240592072] [2023-12-21 02:31:50,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:50,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:50,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:50,552 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:50,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-21 02:31:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:50,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-21 02:31:50,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:50,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:50,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:50,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190068577] [2023-12-21 02:31:50,727 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:50,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240592072] [2023-12-21 02:31:50,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240592072] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:50,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:50,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 02:31:50,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259804597] [2023-12-21 02:31:50,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:50,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 02:31:50,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:50,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 02:31:50,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 02:31:50,729 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) [2023-12-21 02:31:50,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:50,774 INFO L93 Difference]: Finished difference Result 222 states and 325 transitions. [2023-12-21 02:31:50,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-21 02:31:50,774 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 [2023-12-21 02:31:50,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:50,775 INFO L225 Difference]: With dead ends: 222 [2023-12-21 02:31:50,775 INFO L226 Difference]: Without dead ends: 121 [2023-12-21 02:31:50,776 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 [2023-12-21 02:31:50,776 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 [2023-12-21 02:31:50,777 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] [2023-12-21 02:31:50,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2023-12-21 02:31:50,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 103. [2023-12-21 02:31:50,782 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) [2023-12-21 02:31:50,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2023-12-21 02:31:50,783 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 78 [2023-12-21 02:31:50,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:50,783 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2023-12-21 02:31:50,783 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) [2023-12-21 02:31:50,783 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2023-12-21 02:31:50,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-21 02:31:50,784 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:50,784 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] [2023-12-21 02:31:50,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:50,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:50,992 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:50,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1339576819, now seen corresponding path program 1 times [2023-12-21 02:31:50,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:50,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444414757] [2023-12-21 02:31:50,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:50,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:51,036 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:51,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002932175] [2023-12-21 02:31:51,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:51,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:51,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:51,045 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:51,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-21 02:31:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:51,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-21 02:31:51,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:51,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-21 02:31:51,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:31:51,768 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 [2023-12-21 02:31:51,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:31:51,865 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 [2023-12-21 02:31:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-21 02:31:51,895 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:31:51,966 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:51,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:51,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444414757] [2023-12-21 02:31:51,967 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:51,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002932175] [2023-12-21 02:31:51,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002932175] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-21 02:31:51,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-21 02:31:51,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [12] total 15 [2023-12-21 02:31:51,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3044173] [2023-12-21 02:31:51,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:51,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-21 02:31:51,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:51,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-21 02:31:51,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2023-12-21 02:31:51,968 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) [2023-12-21 02:31:52,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:52,127 INFO L93 Difference]: Finished difference Result 249 states and 358 transitions. [2023-12-21 02:31:52,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-21 02:31:52,129 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 [2023-12-21 02:31:52,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:52,130 INFO L225 Difference]: With dead ends: 249 [2023-12-21 02:31:52,130 INFO L226 Difference]: Without dead ends: 147 [2023-12-21 02:31:52,130 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 [2023-12-21 02:31:52,131 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 [2023-12-21 02:31:52,131 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] [2023-12-21 02:31:52,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2023-12-21 02:31:52,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 122. [2023-12-21 02:31:52,137 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) [2023-12-21 02:31:52,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 174 transitions. [2023-12-21 02:31:52,138 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 174 transitions. Word has length 79 [2023-12-21 02:31:52,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:52,138 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 174 transitions. [2023-12-21 02:31:52,138 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) [2023-12-21 02:31:52,138 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 174 transitions. [2023-12-21 02:31:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-21 02:31:52,139 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:52,139 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] [2023-12-21 02:31:52,155 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:52,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-21 02:31:52,349 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:52,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:52,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1732721936, now seen corresponding path program 1 times [2023-12-21 02:31:52,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:52,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571911423] [2023-12-21 02:31:52,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:52,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:52,371 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:52,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2044044990] [2023-12-21 02:31:52,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:52,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:52,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:52,373 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:52,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-21 02:31:52,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:52,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 02:31:52,514 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:52,538 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:52,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:52,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571911423] [2023-12-21 02:31:52,539 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:52,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044044990] [2023-12-21 02:31:52,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044044990] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:52,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:52,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 02:31:52,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830021722] [2023-12-21 02:31:52,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:52,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 02:31:52,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:52,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 02:31:52,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 02:31:52,541 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) [2023-12-21 02:31:52,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:52,569 INFO L93 Difference]: Finished difference Result 295 states and 419 transitions. [2023-12-21 02:31:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 02:31:52,569 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 [2023-12-21 02:31:52,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:52,571 INFO L225 Difference]: With dead ends: 295 [2023-12-21 02:31:52,571 INFO L226 Difference]: Without dead ends: 174 [2023-12-21 02:31:52,571 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 [2023-12-21 02:31:52,573 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 [2023-12-21 02:31:52,573 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] [2023-12-21 02:31:52,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2023-12-21 02:31:52,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 139. [2023-12-21 02:31:52,579 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) [2023-12-21 02:31:52,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 197 transitions. [2023-12-21 02:31:52,580 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 197 transitions. Word has length 80 [2023-12-21 02:31:52,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:52,580 INFO L495 AbstractCegarLoop]: Abstraction has 139 states and 197 transitions. [2023-12-21 02:31:52,580 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) [2023-12-21 02:31:52,580 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 197 transitions. [2023-12-21 02:31:52,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-21 02:31:52,582 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:52,582 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] [2023-12-21 02:31:52,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:52,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:52,790 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:52,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:52,790 INFO L85 PathProgramCache]: Analyzing trace with hash 459376482, now seen corresponding path program 1 times [2023-12-21 02:31:52,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:52,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574471106] [2023-12-21 02:31:52,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:52,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:52,809 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:52,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1443987064] [2023-12-21 02:31:52,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:52,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:52,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:52,811 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:52,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-21 02:31:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:52,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-21 02:31:52,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:52,980 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:52,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:52,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574471106] [2023-12-21 02:31:52,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:52,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1443987064] [2023-12-21 02:31:52,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1443987064] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:52,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:52,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 02:31:52,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574217064] [2023-12-21 02:31:52,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:52,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 02:31:52,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:52,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 02:31:52,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 02:31:52,982 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) [2023-12-21 02:31:53,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:53,015 INFO L93 Difference]: Finished difference Result 145 states and 203 transitions. [2023-12-21 02:31:53,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 02:31:53,016 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 [2023-12-21 02:31:53,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:53,016 INFO L225 Difference]: With dead ends: 145 [2023-12-21 02:31:53,016 INFO L226 Difference]: Without dead ends: 143 [2023-12-21 02:31:53,017 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 [2023-12-21 02:31:53,017 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 [2023-12-21 02:31:53,018 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] [2023-12-21 02:31:53,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-21 02:31:53,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 142. [2023-12-21 02:31:53,022 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) [2023-12-21 02:31:53,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 200 transitions. [2023-12-21 02:31:53,023 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 200 transitions. Word has length 81 [2023-12-21 02:31:53,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:53,024 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 200 transitions. [2023-12-21 02:31:53,024 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) [2023-12-21 02:31:53,024 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2023-12-21 02:31:53,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-21 02:31:53,024 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:53,025 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] [2023-12-21 02:31:53,031 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:53,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-21 02:31:53,231 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:53,232 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:53,232 INFO L85 PathProgramCache]: Analyzing trace with hash -271067465, now seen corresponding path program 1 times [2023-12-21 02:31:53,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:53,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364392838] [2023-12-21 02:31:53,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:53,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:53,251 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:53,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [85495409] [2023-12-21 02:31:53,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:53,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:53,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:53,253 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:53,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-21 02:31:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:53,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-21 02:31:53,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:53,423 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:53,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:53,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:53,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364392838] [2023-12-21 02:31:53,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:53,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [85495409] [2023-12-21 02:31:53,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [85495409] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:53,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:53,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 02:31:53,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446621987] [2023-12-21 02:31:53,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:53,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-21 02:31:53,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:53,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-21 02:31:53,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-21 02:31:53,426 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) [2023-12-21 02:31:53,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:53,446 INFO L93 Difference]: Finished difference Result 286 states and 405 transitions. [2023-12-21 02:31:53,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-21 02:31:53,447 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 [2023-12-21 02:31:53,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:53,447 INFO L225 Difference]: With dead ends: 286 [2023-12-21 02:31:53,448 INFO L226 Difference]: Without dead ends: 145 [2023-12-21 02:31:53,448 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 [2023-12-21 02:31:53,449 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 [2023-12-21 02:31:53,449 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] [2023-12-21 02:31:53,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2023-12-21 02:31:53,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2023-12-21 02:31:53,454 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) [2023-12-21 02:31:53,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 203 transitions. [2023-12-21 02:31:53,455 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 203 transitions. Word has length 81 [2023-12-21 02:31:53,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:53,455 INFO L495 AbstractCegarLoop]: Abstraction has 145 states and 203 transitions. [2023-12-21 02:31:53,455 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) [2023-12-21 02:31:53,455 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 203 transitions. [2023-12-21 02:31:53,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-21 02:31:53,456 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:53,456 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] [2023-12-21 02:31:53,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:53,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-21 02:31:53,663 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:53,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:53,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1282184715, now seen corresponding path program 1 times [2023-12-21 02:31:53,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:53,664 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468644940] [2023-12-21 02:31:53,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:53,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:53,681 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:53,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [218570785] [2023-12-21 02:31:53,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:53,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:53,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:53,683 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:53,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-21 02:31:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:53,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 50 conjunts are in the unsatisfiable core [2023-12-21 02:31:53,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:53,885 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 [2023-12-21 02:31:54,135 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 [2023-12-21 02:31:54,261 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 [2023-12-21 02:31:54,385 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 [2023-12-21 02:31:54,581 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 [2023-12-21 02:31:54,705 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 [2023-12-21 02:31:54,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-21 02:31:54,826 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 [2023-12-21 02:31:55,045 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-21 02:31:55,045 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 [2023-12-21 02:31:55,087 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-12-21 02:31:55,087 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 02:31:55,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:55,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468644940] [2023-12-21 02:31:55,394 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:55,394 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [218570785] [2023-12-21 02:31:55,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [218570785] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-21 02:31:55,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-12-21 02:31:55,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2023-12-21 02:31:55,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490613957] [2023-12-21 02:31:55,395 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-12-21 02:31:55,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-21 02:31:55,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:55,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-21 02:31:55,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=407, Unknown=0, NotChecked=0, Total=506 [2023-12-21 02:31:55,396 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) [2023-12-21 02:31:56,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:56,082 INFO L93 Difference]: Finished difference Result 424 states and 595 transitions. [2023-12-21 02:31:56,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-12-21 02:31:56,084 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 [2023-12-21 02:31:56,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:56,085 INFO L225 Difference]: With dead ends: 424 [2023-12-21 02:31:56,085 INFO L226 Difference]: Without dead ends: 280 [2023-12-21 02:31:56,086 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 [2023-12-21 02:31:56,086 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, 0.4s IncrementalHoareTripleChecker+Time [2023-12-21 02:31:56,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 1046 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-21 02:31:56,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2023-12-21 02:31:56,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 256. [2023-12-21 02:31:56,099 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) [2023-12-21 02:31:56,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 359 transitions. [2023-12-21 02:31:56,101 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 359 transitions. Word has length 81 [2023-12-21 02:31:56,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:56,101 INFO L495 AbstractCegarLoop]: Abstraction has 256 states and 359 transitions. [2023-12-21 02:31:56,101 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) [2023-12-21 02:31:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 359 transitions. [2023-12-21 02:31:56,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-12-21 02:31:56,102 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:56,102 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] [2023-12-21 02:31:56,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:56,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-21 02:31:56,311 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:56,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:56,311 INFO L85 PathProgramCache]: Analyzing trace with hash -652450518, now seen corresponding path program 1 times [2023-12-21 02:31:56,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:56,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412100075] [2023-12-21 02:31:56,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:56,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:56,331 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:56,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [372012322] [2023-12-21 02:31:56,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:56,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:56,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:56,333 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:56,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-21 02:31:56,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:56,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-21 02:31:56,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:56,493 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 [2023-12-21 02:31:56,560 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:56,560 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:56,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:56,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412100075] [2023-12-21 02:31:56,561 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:56,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372012322] [2023-12-21 02:31:56,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372012322] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:56,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:56,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-21 02:31:56,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945837586] [2023-12-21 02:31:56,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:56,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-21 02:31:56,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:56,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-21 02:31:56,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-21 02:31:56,562 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) [2023-12-21 02:31:56,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:56,715 INFO L93 Difference]: Finished difference Result 538 states and 748 transitions. [2023-12-21 02:31:56,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-21 02:31:56,716 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 [2023-12-21 02:31:56,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:56,717 INFO L225 Difference]: With dead ends: 538 [2023-12-21 02:31:56,717 INFO L226 Difference]: Without dead ends: 283 [2023-12-21 02:31:56,718 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 [2023-12-21 02:31:56,718 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 [2023-12-21 02:31:56,719 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] [2023-12-21 02:31:56,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-12-21 02:31:56,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 229. [2023-12-21 02:31:56,728 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) [2023-12-21 02:31:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 320 transitions. [2023-12-21 02:31:56,729 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 320 transitions. Word has length 81 [2023-12-21 02:31:56,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:56,730 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 320 transitions. [2023-12-21 02:31:56,730 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) [2023-12-21 02:31:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 320 transitions. [2023-12-21 02:31:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-21 02:31:56,730 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:56,731 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] [2023-12-21 02:31:56,740 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:56,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-21 02:31:56,938 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:56,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:56,938 INFO L85 PathProgramCache]: Analyzing trace with hash -356543312, now seen corresponding path program 1 times [2023-12-21 02:31:56,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:56,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064434204] [2023-12-21 02:31:56,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:56,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:56,957 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:56,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1179015876] [2023-12-21 02:31:56,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:56,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:56,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:56,959 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:56,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-21 02:31:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 02:31:57,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-21 02:31:57,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 02:31:57,166 INFO L349 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2023-12-21 02:31:57,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2023-12-21 02:31:57,237 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-12-21 02:31:57,237 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 [2023-12-21 02:31:57,272 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-12-21 02:31:57,272 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 02:31:57,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 02:31:57,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064434204] [2023-12-21 02:31:57,273 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 02:31:57,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179015876] [2023-12-21 02:31:57,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179015876] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 02:31:57,273 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 02:31:57,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-12-21 02:31:57,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819479000] [2023-12-21 02:31:57,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 02:31:57,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-21 02:31:57,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 02:31:57,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-21 02:31:57,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2023-12-21 02:31:57,275 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) [2023-12-21 02:31:57,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 02:31:57,810 INFO L93 Difference]: Finished difference Result 695 states and 951 transitions. [2023-12-21 02:31:57,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-12-21 02:31:57,816 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 [2023-12-21 02:31:57,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 02:31:57,818 INFO L225 Difference]: With dead ends: 695 [2023-12-21 02:31:57,818 INFO L226 Difference]: Without dead ends: 467 [2023-12-21 02:31:57,819 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 [2023-12-21 02:31:57,820 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, 0.2s IncrementalHoareTripleChecker+Time [2023-12-21 02:31:57,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 982 Invalid, 343 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 333 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-21 02:31:57,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2023-12-21 02:31:57,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 289. [2023-12-21 02:31:57,838 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) [2023-12-21 02:31:57,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 404 transitions. [2023-12-21 02:31:57,840 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 404 transitions. Word has length 85 [2023-12-21 02:31:57,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 02:31:57,840 INFO L495 AbstractCegarLoop]: Abstraction has 289 states and 404 transitions. [2023-12-21 02:31:57,840 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) [2023-12-21 02:31:57,840 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 404 transitions. [2023-12-21 02:31:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-21 02:31:57,841 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 02:31:57,841 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] [2023-12-21 02:31:57,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:58,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:58,048 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 02:31:58,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 02:31:58,049 INFO L85 PathProgramCache]: Analyzing trace with hash 249124114, now seen corresponding path program 1 times [2023-12-21 02:31:58,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 02:31:58,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579743182] [2023-12-21 02:31:58,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:58,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 02:31:58,070 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 02:31:58,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [488492467] [2023-12-21 02:31:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 02:31:58,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 02:31:58,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 02:31:58,071 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 02:31:58,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-21 02:31:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 02:31:58,236 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-21 02:31:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-21 02:31:58,369 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-21 02:31:58,369 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-21 02:31:58,370 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 02:31:58,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-21 02:31:58,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-21 02:31:58,582 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 02:31:58,585 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 02:31:58,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 02:31:58 BoogieIcfgContainer [2023-12-21 02:31:58,669 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 02:31:58,670 INFO L158 Benchmark]: Toolchain (without parser) took 16243.70ms. Allocated memory was 307.2MB in the beginning and 482.3MB in the end (delta: 175.1MB). Free memory was 247.0MB in the beginning and 372.8MB in the end (delta: -125.8MB). Peak memory consumption was 49.7MB. Max. memory is 8.0GB. [2023-12-21 02:31:58,670 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 185.6MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 02:31:58,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.31ms. Allocated memory is still 307.2MB. Free memory was 247.0MB in the beginning and 232.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-21 02:31:58,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.37ms. Allocated memory is still 307.2MB. Free memory was 232.3MB in the beginning and 229.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-12-21 02:31:58,671 INFO L158 Benchmark]: Boogie Preprocessor took 59.79ms. Allocated memory is still 307.2MB. Free memory was 229.2MB in the beginning and 225.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-21 02:31:58,671 INFO L158 Benchmark]: RCFGBuilder took 724.63ms. Allocated memory is still 307.2MB. Free memory was 225.0MB in the beginning and 267.9MB in the end (delta: -42.9MB). Peak memory consumption was 31.3MB. Max. memory is 8.0GB. [2023-12-21 02:31:58,671 INFO L158 Benchmark]: TraceAbstraction took 15106.19ms. Allocated memory was 307.2MB in the beginning and 482.3MB in the end (delta: 175.1MB). Free memory was 267.0MB in the beginning and 372.8MB in the end (delta: -105.8MB). Peak memory consumption was 68.8MB. Max. memory is 8.0GB. [2023-12-21 02:31:58,672 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 185.6MB. Free memory is still 134.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 297.31ms. Allocated memory is still 307.2MB. Free memory was 247.0MB in the beginning and 232.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.37ms. Allocated memory is still 307.2MB. Free memory was 232.3MB in the beginning and 229.2MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.79ms. Allocated memory is still 307.2MB. Free memory was 229.2MB in the beginning and 225.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 724.63ms. Allocated memory is still 307.2MB. Free memory was 225.0MB in the beginning and 267.9MB in the end (delta: -42.9MB). Peak memory consumption was 31.3MB. Max. memory is 8.0GB. * TraceAbstraction took 15106.19ms. Allocated memory was 307.2MB in the beginning and 482.3MB in the end (delta: 175.1MB). Free memory was 267.0MB in the beginning and 372.8MB in the end (delta: -105.8MB). Peak memory consumption was 68.8MB. 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: 15.0s, OverallIterations: 15, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2238 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2233 mSDsluCounter, 7041 SdHoareTripleChecker+Invalid, 1.5s 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, 5.4s 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 [2023-12-21 02:31:58,692 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...