/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-64.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 21:41:14,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 21:41:14,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 21:41:14,314 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 21:41:14,315 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 21:41:14,349 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 21:41:14,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 21:41:14,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 21:41:14,350 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 21:41:14,354 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 21:41:14,354 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 21:41:14,354 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 21:41:14,355 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 21:41:14,356 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 21:41:14,356 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 21:41:14,356 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 21:41:14,357 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 21:41:14,357 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 21:41:14,357 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 21:41:14,357 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 21:41:14,358 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 21:41:14,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 21:41:14,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 21:41:14,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 21:41:14,361 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 21:41:14,361 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 21:41:14,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 21:41:14,361 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 21:41:14,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 21:41:14,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 21:41:14,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 21:41:14,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 21:41:14,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:41:14,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 21:41:14,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 21:41:14,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 21:41:14,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 21:41:14,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 21:41:14,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 21:41:14,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 21:41:14,365 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 21:41:14,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 21:41:14,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 21:41:14,366 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 21:41:14,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 21:41:14,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 21:41:14,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 21:41:14,627 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 21:41:14,628 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 21:41:14,629 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-64.i [2023-12-15 21:41:15,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 21:41:15,947 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 21:41:15,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-64.i [2023-12-15 21:41:15,956 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9c185c26/faefdcfbb5bc434a96a2b18138d6a63c/FLAGef11c5197 [2023-12-15 21:41:15,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9c185c26/faefdcfbb5bc434a96a2b18138d6a63c [2023-12-15 21:41:15,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 21:41:15,970 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 21:41:15,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 21:41:15,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 21:41:15,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 21:41:15,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:41:15" (1/1) ... [2023-12-15 21:41:15,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fe780c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:15, skipping insertion in model container [2023-12-15 21:41:15,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 09:41:15" (1/1) ... [2023-12-15 21:41:15,999 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 21:41:16,125 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-64.i[916,929] [2023-12-15 21:41:16,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:41:16,200 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 21:41:16,208 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-64.i[916,929] [2023-12-15 21:41:16,247 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 21:41:16,266 INFO L206 MainTranslator]: Completed translation [2023-12-15 21:41:16,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16 WrapperNode [2023-12-15 21:41:16,267 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 21:41:16,268 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 21:41:16,268 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 21:41:16,268 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 21:41:16,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,332 INFO L138 Inliner]: procedures = 29, calls = 163, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 513 [2023-12-15 21:41:16,333 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 21:41:16,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 21:41:16,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 21:41:16,333 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 21:41:16,341 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,349 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,381 INFO L175 MemorySlicer]: Split 131 memory accesses to 2 slices as follows [2, 129]. 98 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 15]. The 18 writes are split as follows [0, 18]. [2023-12-15 21:41:16,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,443 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 21:41:16,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 21:41:16,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 21:41:16,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 21:41:16,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (1/1) ... [2023-12-15 21:41:16,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 21:41:16,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:16,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 21:41:16,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 21:41:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 21:41:16,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-12-15 21:41:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-12-15 21:41:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-12-15 21:41:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-12-15 21:41:16,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-12-15 21:41:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-12-15 21:41:16,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-12-15 21:41:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-12-15 21:41:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-12-15 21:41:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-12-15 21:41:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 21:41:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 21:41:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 21:41:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-12-15 21:41:16,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 21:41:16,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 21:41:16,687 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 21:41:16,689 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 21:41:17,273 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 21:41:17,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 21:41:17,309 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 21:41:17,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:41:17 BoogieIcfgContainer [2023-12-15 21:41:17,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 21:41:17,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 21:41:17,311 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 21:41:17,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 21:41:17,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 09:41:15" (1/3) ... [2023-12-15 21:41:17,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d7c2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:41:17, skipping insertion in model container [2023-12-15 21:41:17,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 09:41:16" (2/3) ... [2023-12-15 21:41:17,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15d7c2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 09:41:17, skipping insertion in model container [2023-12-15 21:41:17,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 09:41:17" (3/3) ... [2023-12-15 21:41:17,317 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-64.i [2023-12-15 21:41:17,333 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 21:41:17,333 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 21:41:17,376 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 21:41:17,382 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;@7b4e3174, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 21:41:17,382 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 21:41:17,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 120 states, 97 states have (on average 1.4742268041237114) internal successors, (143), 98 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 21:41:17,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-15 21:41:17,400 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:17,401 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:17,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:17,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:17,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1828132830, now seen corresponding path program 1 times [2023-12-15 21:41:17,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:17,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729566213] [2023-12-15 21:41:17,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:17,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:17,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:17,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:17,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729566213] [2023-12-15 21:41:17,624 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:41:17,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602006718] [2023-12-15 21:41:17,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:17,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:17,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:17,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:17,647 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 21:41:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:17,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 21:41:17,849 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-12-15 21:41:17,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:17,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602006718] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:17,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:17,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 21:41:17,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687722560] [2023-12-15 21:41:17,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:17,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 21:41:17,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:17,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 21:41:17,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:41:17,956 INFO L87 Difference]: Start difference. First operand has 120 states, 97 states have (on average 1.4742268041237114) internal successors, (143), 98 states have internal predecessors, (143), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 21:41:18,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:18,029 INFO L93 Difference]: Finished difference Result 237 states and 384 transitions. [2023-12-15 21:41:18,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 21:41:18,034 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 154 [2023-12-15 21:41:18,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:18,045 INFO L225 Difference]: With dead ends: 237 [2023-12-15 21:41:18,046 INFO L226 Difference]: Without dead ends: 118 [2023-12-15 21:41:18,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 21:41:18,055 INFO L413 NwaCegarLoop]: 174 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, 174 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:18,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 174 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:41:18,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-15 21:41:18,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2023-12-15 21:41:18,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 96 states have (on average 1.4375) internal successors, (138), 96 states have internal predecessors, (138), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 21:41:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 178 transitions. [2023-12-15 21:41:18,129 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 178 transitions. Word has length 154 [2023-12-15 21:41:18,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:18,129 INFO L495 AbstractCegarLoop]: Abstraction has 118 states and 178 transitions. [2023-12-15 21:41:18,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 21:41:18,130 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 178 transitions. [2023-12-15 21:41:18,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-15 21:41:18,133 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:18,134 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:18,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:18,334 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-15 21:41:18,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:18,335 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:18,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1294586430, now seen corresponding path program 1 times [2023-12-15 21:41:18,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:18,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350195016] [2023-12-15 21:41:18,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:18,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:18,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:18,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350195016] [2023-12-15 21:41:18,515 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 21:41:18,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296231394] [2023-12-15 21:41:18,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:18,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:18,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:18,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 21:41:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:18,726 INFO L262 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 21:41:18,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:18,806 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 384 proven. 0 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2023-12-15 21:41:18,807 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:18,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296231394] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:18,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:18,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:41:18,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758315409] [2023-12-15 21:41:18,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:18,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:41:18,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:18,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:41:18,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:41:18,814 INFO L87 Difference]: Start difference. First operand 118 states and 178 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 21:41:18,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:18,891 INFO L93 Difference]: Finished difference Result 241 states and 364 transitions. [2023-12-15 21:41:18,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:41:18,892 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 154 [2023-12-15 21:41:18,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:18,895 INFO L225 Difference]: With dead ends: 241 [2023-12-15 21:41:18,895 INFO L226 Difference]: Without dead ends: 124 [2023-12-15 21:41:18,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:41:18,897 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 10 mSDsluCounter, 339 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:18,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 514 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:41:18,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-12-15 21:41:18,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 120. [2023-12-15 21:41:18,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 98 states have internal predecessors, (140), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 21:41:18,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 180 transitions. [2023-12-15 21:41:18,908 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 180 transitions. Word has length 154 [2023-12-15 21:41:18,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:18,909 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 180 transitions. [2023-12-15 21:41:18,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 21:41:18,909 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 180 transitions. [2023-12-15 21:41:18,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-15 21:41:18,912 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:18,912 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:18,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:19,113 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-15 21:41:19,114 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:19,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:19,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1693238468, now seen corresponding path program 1 times [2023-12-15 21:41:19,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:19,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426641957] [2023-12-15 21:41:19,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:19,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:19,192 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:19,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051027660] [2023-12-15 21:41:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:19,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:19,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:19,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:19,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 21:41:19,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:19,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 21:41:19,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 21:41:19,431 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:19,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:19,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426641957] [2023-12-15 21:41:19,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:19,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051027660] [2023-12-15 21:41:19,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051027660] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:19,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:19,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 21:41:19,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766290010] [2023-12-15 21:41:19,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:19,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 21:41:19,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:19,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 21:41:19,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 21:41:19,435 INFO L87 Difference]: Start difference. First operand 120 states and 180 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:19,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:19,482 INFO L93 Difference]: Finished difference Result 262 states and 394 transitions. [2023-12-15 21:41:19,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 21:41:19,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 154 [2023-12-15 21:41:19,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:19,484 INFO L225 Difference]: With dead ends: 262 [2023-12-15 21:41:19,484 INFO L226 Difference]: Without dead ends: 143 [2023-12-15 21:41:19,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:41:19,486 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 44 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:19,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 505 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:41:19,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-15 21:41:19,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 122. [2023-12-15 21:41:19,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 100 states have (on average 1.42) internal successors, (142), 100 states have internal predecessors, (142), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 21:41:19,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 182 transitions. [2023-12-15 21:41:19,497 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 182 transitions. Word has length 154 [2023-12-15 21:41:19,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:19,498 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 182 transitions. [2023-12-15 21:41:19,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:19,499 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 182 transitions. [2023-12-15 21:41:19,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-15 21:41:19,501 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:19,501 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:19,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:19,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:19,712 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:19,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:19,713 INFO L85 PathProgramCache]: Analyzing trace with hash -826895350, now seen corresponding path program 1 times [2023-12-15 21:41:19,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:19,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018677075] [2023-12-15 21:41:19,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:19,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:19,780 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:19,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963570483] [2023-12-15 21:41:19,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:19,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:19,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:19,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:19,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 21:41:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:19,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 21:41:19,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:19,983 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 21:41:19,983 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:19,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:19,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018677075] [2023-12-15 21:41:19,983 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:19,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963570483] [2023-12-15 21:41:19,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963570483] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:19,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:19,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:41:19,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930418427] [2023-12-15 21:41:19,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:19,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:41:19,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:19,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:41:19,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:41:19,986 INFO L87 Difference]: Start difference. First operand 122 states and 182 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:20,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:20,036 INFO L93 Difference]: Finished difference Result 261 states and 390 transitions. [2023-12-15 21:41:20,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:41:20,036 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 156 [2023-12-15 21:41:20,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:20,040 INFO L225 Difference]: With dead ends: 261 [2023-12-15 21:41:20,040 INFO L226 Difference]: Without dead ends: 140 [2023-12-15 21:41:20,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 21:41:20,043 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 69 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:20,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 691 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:41:20,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-12-15 21:41:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 125. [2023-12-15 21:41:20,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 103 states have (on average 1.4077669902912622) internal successors, (145), 103 states have internal predecessors, (145), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 21:41:20,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 185 transitions. [2023-12-15 21:41:20,059 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 185 transitions. Word has length 156 [2023-12-15 21:41:20,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:20,059 INFO L495 AbstractCegarLoop]: Abstraction has 125 states and 185 transitions. [2023-12-15 21:41:20,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:20,059 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 185 transitions. [2023-12-15 21:41:20,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-15 21:41:20,061 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:20,061 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:20,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-12-15 21:41:20,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:20,262 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:20,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:20,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1312472278, now seen corresponding path program 1 times [2023-12-15 21:41:20,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:20,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049006081] [2023-12-15 21:41:20,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:20,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:20,303 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:20,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1303770493] [2023-12-15 21:41:20,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:20,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:20,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:20,306 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:20,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 21:41:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:20,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-15 21:41:20,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:21,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2023-12-15 21:41:21,097 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 31 treesize of output 19 [2023-12-15 21:41:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 21:41:21,109 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:21,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:21,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049006081] [2023-12-15 21:41:21,110 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:21,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303770493] [2023-12-15 21:41:21,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303770493] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:21,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:21,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:41:21,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901600690] [2023-12-15 21:41:21,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:21,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:41:21,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:21,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:41:21,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:41:21,112 INFO L87 Difference]: Start difference. First operand 125 states and 185 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:21,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:21,373 INFO L93 Difference]: Finished difference Result 320 states and 472 transitions. [2023-12-15 21:41:21,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:41:21,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 157 [2023-12-15 21:41:21,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:21,376 INFO L225 Difference]: With dead ends: 320 [2023-12-15 21:41:21,376 INFO L226 Difference]: Without dead ends: 196 [2023-12-15 21:41:21,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:41:21,377 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 118 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:21,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 505 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 21:41:21,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2023-12-15 21:41:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 141. [2023-12-15 21:41:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 119 states have (on average 1.4285714285714286) internal successors, (170), 119 states have internal predecessors, (170), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 21:41:21,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 210 transitions. [2023-12-15 21:41:21,388 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 210 transitions. Word has length 157 [2023-12-15 21:41:21,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:21,389 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 210 transitions. [2023-12-15 21:41:21,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:21,389 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 210 transitions. [2023-12-15 21:41:21,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-15 21:41:21,391 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:21,392 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:21,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:21,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:21,604 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:21,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:21,604 INFO L85 PathProgramCache]: Analyzing trace with hash -459320443, now seen corresponding path program 1 times [2023-12-15 21:41:21,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:21,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171244507] [2023-12-15 21:41:21,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:21,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:21,634 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:21,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2135426734] [2023-12-15 21:41:21,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:21,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:21,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:21,636 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:21,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 21:41:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:21,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 57 conjunts are in the unsatisfiable core [2023-12-15 21:41:21,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:21,888 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:21,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 25 [2023-12-15 21:41:21,956 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:21,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 25 [2023-12-15 21:41:22,020 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:22,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 16 [2023-12-15 21:41:22,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-15 21:41:22,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-15 21:41:22,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-15 21:41:22,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-15 21:41:22,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2023-12-15 21:41:22,166 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 29 treesize of output 13 [2023-12-15 21:41:22,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:22,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-15 21:41:22,316 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:22,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-15 21:41:22,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:22,393 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 27 [2023-12-15 21:41:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 249 proven. 274 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2023-12-15 21:41:22,612 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:41:23,367 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 39 proven. 18 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-15 21:41:23,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:23,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171244507] [2023-12-15 21:41:23,368 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:23,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135426734] [2023-12-15 21:41:23,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135426734] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:41:23,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:41:23,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 27 [2023-12-15 21:41:23,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408857779] [2023-12-15 21:41:23,368 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:41:23,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-12-15 21:41:23,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:23,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-12-15 21:41:23,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2023-12-15 21:41:23,370 INFO L87 Difference]: Start difference. First operand 141 states and 210 transitions. Second operand has 27 states, 25 states have (on average 5.08) internal successors, (127), 27 states have internal predecessors, (127), 7 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) [2023-12-15 21:41:27,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:27,826 INFO L93 Difference]: Finished difference Result 948 states and 1395 transitions. [2023-12-15 21:41:27,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-12-15 21:41:27,828 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 25 states have (on average 5.08) internal successors, (127), 27 states have internal predecessors, (127), 7 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) Word has length 158 [2023-12-15 21:41:27,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:27,832 INFO L225 Difference]: With dead ends: 948 [2023-12-15 21:41:27,832 INFO L226 Difference]: Without dead ends: 808 [2023-12-15 21:41:27,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1941 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1265, Invalid=5377, Unknown=0, NotChecked=0, Total=6642 [2023-12-15 21:41:27,835 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 1996 mSDsluCounter, 2107 mSDsCounter, 0 mSdLazyCounter, 3405 mSolverCounterSat, 338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2010 SdHoareTripleChecker+Valid, 2240 SdHoareTripleChecker+Invalid, 3743 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 338 IncrementalHoareTripleChecker+Valid, 3405 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:27,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2010 Valid, 2240 Invalid, 3743 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [338 Valid, 3405 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-12-15 21:41:27,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2023-12-15 21:41:27,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 531. [2023-12-15 21:41:27,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 531 states, 448 states have (on average 1.4017857142857142) internal successors, (628), 451 states have internal predecessors, (628), 75 states have call successors, (75), 7 states have call predecessors, (75), 7 states have return successors, (75), 72 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-15 21:41:27,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 778 transitions. [2023-12-15 21:41:27,879 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 778 transitions. Word has length 158 [2023-12-15 21:41:27,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:27,880 INFO L495 AbstractCegarLoop]: Abstraction has 531 states and 778 transitions. [2023-12-15 21:41:27,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 25 states have (on average 5.08) internal successors, (127), 27 states have internal predecessors, (127), 7 states have call successors, (40), 4 states have call predecessors, (40), 6 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) [2023-12-15 21:41:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 778 transitions. [2023-12-15 21:41:27,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-15 21:41:27,883 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:27,883 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:27,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:28,089 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:28,090 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:28,090 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:28,091 INFO L85 PathProgramCache]: Analyzing trace with hash -852347453, now seen corresponding path program 1 times [2023-12-15 21:41:28,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:28,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358199282] [2023-12-15 21:41:28,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:28,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:28,136 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:28,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1372494903] [2023-12-15 21:41:28,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:28,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:28,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:28,139 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:28,159 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 21:41:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:28,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-15 21:41:28,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:28,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-12-15 21:41:28,384 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-12-15 21:41:28,413 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-12-15 21:41:28,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2023-12-15 21:41:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 393 proven. 24 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2023-12-15 21:41:28,464 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:41:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 33 proven. 24 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-15 21:41:28,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:28,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358199282] [2023-12-15 21:41:28,627 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:28,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372494903] [2023-12-15 21:41:28,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372494903] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:41:28,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:41:28,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2023-12-15 21:41:28,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436977466] [2023-12-15 21:41:28,627 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:41:28,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-12-15 21:41:28,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:28,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-12-15 21:41:28,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-15 21:41:28,629 INFO L87 Difference]: Start difference. First operand 531 states and 778 transitions. Second operand has 10 states, 8 states have (on average 8.875) internal successors, (71), 10 states have internal predecessors, (71), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 2 states have call predecessors, (29), 4 states have call successors, (29) [2023-12-15 21:41:29,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:29,172 INFO L93 Difference]: Finished difference Result 1025 states and 1493 transitions. [2023-12-15 21:41:29,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-15 21:41:29,173 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 8.875) internal successors, (71), 10 states have internal predecessors, (71), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 2 states have call predecessors, (29), 4 states have call successors, (29) Word has length 158 [2023-12-15 21:41:29,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:29,179 INFO L225 Difference]: With dead ends: 1025 [2023-12-15 21:41:29,179 INFO L226 Difference]: Without dead ends: 551 [2023-12-15 21:41:29,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2023-12-15 21:41:29,181 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 306 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 693 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 587 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 693 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:29,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 587 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 693 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-15 21:41:29,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2023-12-15 21:41:29,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 539. [2023-12-15 21:41:29,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 539 states, 453 states have (on average 1.3885209713024282) internal successors, (629), 456 states have internal predecessors, (629), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 72 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-15 21:41:29,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 779 transitions. [2023-12-15 21:41:29,216 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 779 transitions. Word has length 158 [2023-12-15 21:41:29,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:29,216 INFO L495 AbstractCegarLoop]: Abstraction has 539 states and 779 transitions. [2023-12-15 21:41:29,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 8.875) internal successors, (71), 10 states have internal predecessors, (71), 4 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (29), 2 states have call predecessors, (29), 4 states have call successors, (29) [2023-12-15 21:41:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 779 transitions. [2023-12-15 21:41:29,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-15 21:41:29,218 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:29,218 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:29,227 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:29,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:29,425 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:29,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:29,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1883635074, now seen corresponding path program 1 times [2023-12-15 21:41:29,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:29,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595213858] [2023-12-15 21:41:29,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:29,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:29,462 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:29,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [380365423] [2023-12-15 21:41:29,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:29,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:29,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:29,464 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:29,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 21:41:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:29,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 21:41:29,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:29,678 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 21:41:29,678 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:29,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:29,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595213858] [2023-12-15 21:41:29,679 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:29,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380365423] [2023-12-15 21:41:29,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380365423] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:29,679 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:29,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:41:29,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635154361] [2023-12-15 21:41:29,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:29,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:41:29,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:29,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:41:29,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:41:29,680 INFO L87 Difference]: Start difference. First operand 539 states and 779 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:29,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:29,730 INFO L93 Difference]: Finished difference Result 1061 states and 1539 transitions. [2023-12-15 21:41:29,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:41:29,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 158 [2023-12-15 21:41:29,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:29,734 INFO L225 Difference]: With dead ends: 1061 [2023-12-15 21:41:29,734 INFO L226 Difference]: Without dead ends: 583 [2023-12-15 21:41:29,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-15 21:41:29,736 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 55 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:29,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 656 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 21:41:29,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2023-12-15 21:41:29,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 551. [2023-12-15 21:41:29,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 465 states have (on average 1.378494623655914) internal successors, (641), 468 states have internal predecessors, (641), 75 states have call successors, (75), 10 states have call predecessors, (75), 10 states have return successors, (75), 72 states have call predecessors, (75), 75 states have call successors, (75) [2023-12-15 21:41:29,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 791 transitions. [2023-12-15 21:41:29,767 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 791 transitions. Word has length 158 [2023-12-15 21:41:29,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:29,768 INFO L495 AbstractCegarLoop]: Abstraction has 551 states and 791 transitions. [2023-12-15 21:41:29,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:29,768 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 791 transitions. [2023-12-15 21:41:29,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-15 21:41:29,769 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:29,769 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:29,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:29,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-15 21:41:29,976 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:29,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:29,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1857077892, now seen corresponding path program 1 times [2023-12-15 21:41:29,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:29,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550531057] [2023-12-15 21:41:29,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:29,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:30,006 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:30,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [282227832] [2023-12-15 21:41:30,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:30,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:30,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:30,008 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:30,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 21:41:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:31,164 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 59 conjunts are in the unsatisfiable core [2023-12-15 21:41:31,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:31,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-15 21:41:31,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 37 treesize of output 13 [2023-12-15 21:41:31,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-15 21:41:31,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-15 21:41:31,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-15 21:41:31,363 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-15 21:41:31,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-15 21:41:31,433 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-15 21:41:31,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-15 21:41:31,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-15 21:41:31,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2023-12-15 21:41:31,715 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 343 proven. 39 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2023-12-15 21:41:31,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 21:41:32,303 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-15 21:41:32,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:32,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550531057] [2023-12-15 21:41:32,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:32,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282227832] [2023-12-15 21:41:32,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282227832] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 21:41:32,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 21:41:32,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2023-12-15 21:41:32,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885689361] [2023-12-15 21:41:32,304 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 21:41:32,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-15 21:41:32,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:32,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-15 21:41:32,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-12-15 21:41:32,306 INFO L87 Difference]: Start difference. First operand 551 states and 791 transitions. Second operand has 17 states, 15 states have (on average 7.4) internal successors, (111), 17 states have internal predecessors, (111), 6 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-12-15 21:41:36,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:36,939 INFO L93 Difference]: Finished difference Result 1301 states and 1850 transitions. [2023-12-15 21:41:36,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-12-15 21:41:36,940 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 7.4) internal successors, (111), 17 states have internal predecessors, (111), 6 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) Word has length 159 [2023-12-15 21:41:36,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:36,943 INFO L225 Difference]: With dead ends: 1301 [2023-12-15 21:41:36,943 INFO L226 Difference]: Without dead ends: 811 [2023-12-15 21:41:36,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=215, Invalid=597, Unknown=0, NotChecked=0, Total=812 [2023-12-15 21:41:36,945 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 747 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 1124 mSolverCounterSat, 154 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 750 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 154 IncrementalHoareTripleChecker+Valid, 1124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:36,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [750 Valid, 631 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [154 Valid, 1124 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-12-15 21:41:36,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2023-12-15 21:41:36,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 780. [2023-12-15 21:41:36,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 674 states have (on average 1.3753709198813056) internal successors, (927), 679 states have internal predecessors, (927), 88 states have call successors, (88), 17 states have call predecessors, (88), 17 states have return successors, (88), 83 states have call predecessors, (88), 88 states have call successors, (88) [2023-12-15 21:41:36,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1103 transitions. [2023-12-15 21:41:36,985 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1103 transitions. Word has length 159 [2023-12-15 21:41:36,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:36,985 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1103 transitions. [2023-12-15 21:41:36,985 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 7.4) internal successors, (111), 17 states have internal predecessors, (111), 6 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-12-15 21:41:36,985 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1103 transitions. [2023-12-15 21:41:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-15 21:41:36,987 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:36,987 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:36,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-15 21:41:37,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:37,195 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:37,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:37,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1723064386, now seen corresponding path program 1 times [2023-12-15 21:41:37,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:37,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411509444] [2023-12-15 21:41:37,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:37,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:37,219 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:37,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [774380511] [2023-12-15 21:41:37,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:37,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:37,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:37,221 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:37,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-15 21:41:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 21:41:37,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-15 21:41:37,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 21:41:37,468 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 23 [2023-12-15 21:41:37,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2023-12-15 21:41:37,583 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 21:41:37,583 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 21:41:37,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 21:41:37,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411509444] [2023-12-15 21:41:37,584 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 21:41:37,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774380511] [2023-12-15 21:41:37,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774380511] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 21:41:37,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 21:41:37,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 21:41:37,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064308707] [2023-12-15 21:41:37,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 21:41:37,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 21:41:37,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 21:41:37,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 21:41:37,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 21:41:37,586 INFO L87 Difference]: Start difference. First operand 780 states and 1103 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:39,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 21:41:39,475 INFO L93 Difference]: Finished difference Result 1872 states and 2641 transitions. [2023-12-15 21:41:39,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 21:41:39,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 159 [2023-12-15 21:41:39,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 21:41:39,484 INFO L225 Difference]: With dead ends: 1872 [2023-12-15 21:41:39,484 INFO L226 Difference]: Without dead ends: 1249 [2023-12-15 21:41:39,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-15 21:41:39,486 INFO L413 NwaCegarLoop]: 199 mSDtfsCounter, 94 mSDsluCounter, 366 mSDsCounter, 0 mSdLazyCounter, 338 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 565 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-15 21:41:39,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 565 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 338 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-15 21:41:39,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2023-12-15 21:41:39,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 830. [2023-12-15 21:41:39,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 830 states, 724 states have (on average 1.3839779005524862) internal successors, (1002), 729 states have internal predecessors, (1002), 88 states have call successors, (88), 17 states have call predecessors, (88), 17 states have return successors, (88), 83 states have call predecessors, (88), 88 states have call successors, (88) [2023-12-15 21:41:39,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 830 states and 1178 transitions. [2023-12-15 21:41:39,533 INFO L78 Accepts]: Start accepts. Automaton has 830 states and 1178 transitions. Word has length 159 [2023-12-15 21:41:39,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 21:41:39,534 INFO L495 AbstractCegarLoop]: Abstraction has 830 states and 1178 transitions. [2023-12-15 21:41:39,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 21:41:39,534 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1178 transitions. [2023-12-15 21:41:39,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-15 21:41:39,539 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 21:41:39,539 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:39,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:39,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-15 21:41:39,746 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 21:41:39,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 21:41:39,746 INFO L85 PathProgramCache]: Analyzing trace with hash 1981229824, now seen corresponding path program 1 times [2023-12-15 21:41:39,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 21:41:39,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206754038] [2023-12-15 21:41:39,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:39,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 21:41:39,785 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 21:41:39,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [776067352] [2023-12-15 21:41:39,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 21:41:39,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 21:41:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 21:41:39,786 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 21:41:39,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-15 21:41:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:41:40,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 21:41:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 21:41:40,885 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 21:41:40,885 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 21:41:40,886 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 21:41:40,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-15 21:41:41,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-15 21:41:41,101 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 21:41:41,104 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 21:41:41,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 09:41:41 BoogieIcfgContainer [2023-12-15 21:41:41,178 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 21:41:41,178 INFO L158 Benchmark]: Toolchain (without parser) took 25208.12ms. Allocated memory was 195.0MB in the beginning and 343.9MB in the end (delta: 148.9MB). Free memory was 149.2MB in the beginning and 219.2MB in the end (delta: -69.9MB). Peak memory consumption was 80.5MB. Max. memory is 8.0GB. [2023-12-15 21:41:41,178 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 195.0MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 21:41:41,178 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.52ms. Allocated memory is still 195.0MB. Free memory was 148.9MB in the beginning and 132.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-15 21:41:41,179 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.09ms. Allocated memory is still 195.0MB. Free memory was 132.0MB in the beginning and 127.6MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 21:41:41,179 INFO L158 Benchmark]: Boogie Preprocessor took 110.04ms. Allocated memory is still 195.0MB. Free memory was 127.3MB in the beginning and 122.3MB in the end (delta: 4.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2023-12-15 21:41:41,179 INFO L158 Benchmark]: RCFGBuilder took 865.49ms. Allocated memory is still 195.0MB. Free memory was 122.3MB in the beginning and 142.6MB in the end (delta: -20.2MB). Peak memory consumption was 18.2MB. Max. memory is 8.0GB. [2023-12-15 21:41:41,179 INFO L158 Benchmark]: TraceAbstraction took 23866.49ms. Allocated memory was 195.0MB in the beginning and 343.9MB in the end (delta: 148.9MB). Free memory was 142.0MB in the beginning and 219.2MB in the end (delta: -77.1MB). Peak memory consumption was 71.8MB. Max. memory is 8.0GB. [2023-12-15 21:41:41,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 195.0MB. Free memory is still 152.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 295.52ms. Allocated memory is still 195.0MB. Free memory was 148.9MB in the beginning and 132.0MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 65.09ms. Allocated memory is still 195.0MB. Free memory was 132.0MB in the beginning and 127.6MB in the end (delta: 4.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 110.04ms. Allocated memory is still 195.0MB. Free memory was 127.3MB in the beginning and 122.3MB in the end (delta: 4.9MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * RCFGBuilder took 865.49ms. Allocated memory is still 195.0MB. Free memory was 122.3MB in the beginning and 142.6MB in the end (delta: -20.2MB). Peak memory consumption was 18.2MB. Max. memory is 8.0GB. * TraceAbstraction took 23866.49ms. Allocated memory was 195.0MB in the beginning and 343.9MB in the end (delta: 148.9MB). Free memory was 142.0MB in the beginning and 219.2MB in the end (delta: -77.1MB). Peak memory consumption was 71.8MB. 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 someBinaryFLOATComparisonOperation at line 107, overapproximation of someBinaryDOUBLEComparisonOperation at line 128, overapproximation of someUnaryDOUBLEoperation at line 46. Possible FailurePath: [L39] unsigned char isInitial = 0; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L40-L56] struct WrapperStruct00 WrapperStruct00 = { 0.9, 128, 2941876006, 256, 63.5, -0.151, 0.8, 9.5, 0, 0, 0, -2, 10, 8, 16 }; [L57] unsigned char last_1_WrapperStruct00_var_1_16 = 10; [L132] isInitial = 1 [L133] FCALL initially() [L134] COND TRUE 1 [L135] CALL updateLastVariables() [L125] EXPR WrapperStruct00.var_1_16 [L125] last_1_WrapperStruct00_var_1_16 = WrapperStruct00.var_1_16 [L135] RET updateLastVariables() [L136] CALL updateVariables() [L92] WrapperStruct00.var_1_2 = __VERIFIER_nondet_ulong() [L93] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L94] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L95] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ulong() [L96] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L97] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L98] WrapperStruct00.var_1_5 = __VERIFIER_nondet_ulong() [L99] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L100] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 4294967295) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 4294967295) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L101] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_5 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_5 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L102] WrapperStruct00.var_1_6 = __VERIFIER_nondet_float() [L103] EXPR WrapperStruct00.var_1_6 [L103] EXPR WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L103] EXPR WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_6 [L103] EXPR WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L103] EXPR (WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L103] EXPR (WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L103] RET assume_abort_if_not((WrapperStruct00.var_1_6 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_6 <= -1.0e-20F) || (WrapperStruct00.var_1_6 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_6 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L104] WrapperStruct00.var_1_7 = __VERIFIER_nondet_float() [L105] EXPR WrapperStruct00.var_1_7 [L105] EXPR WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L105] EXPR WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F [L105] EXPR WrapperStruct00.var_1_7 [L105] EXPR WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L105] EXPR (WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L105] EXPR (WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L105] CALL assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L105] RET assume_abort_if_not((WrapperStruct00.var_1_7 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_7 <= -1.0e-20F) || (WrapperStruct00.var_1_7 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_7 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L106] WrapperStruct00.var_1_8 = __VERIFIER_nondet_float() [L107] EXPR WrapperStruct00.var_1_8 [L107] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L107] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_8 [L107] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L107] EXPR (WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L107] EXPR (WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L107] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L108] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L109] EXPR WrapperStruct00.var_1_9 [L109] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L109] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L109] EXPR WrapperStruct00.var_1_9 [L109] EXPR WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L109] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L109] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L109] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L110] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L111] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L111] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L112] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L112] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L113] WrapperStruct00.var_1_12 = __VERIFIER_nondet_uchar() [L114] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L114] CALL assume_abort_if_not(WrapperStruct00.var_1_12 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L114] RET assume_abort_if_not(WrapperStruct00.var_1_12 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L115] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L115] CALL assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L115] RET assume_abort_if_not(WrapperStruct00.var_1_12 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L116] WrapperStruct00.var_1_17 = __VERIFIER_nondet_ushort() [L117] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L117] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L117] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L118] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L118] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 65535) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L118] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 65535) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L119] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L119] CALL assume_abort_if_not(WrapperStruct00.var_1_17 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L119] RET assume_abort_if_not(WrapperStruct00.var_1_17 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L120] WrapperStruct00.var_1_18 = __VERIFIER_nondet_uchar() [L121] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L121] CALL assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L121] RET assume_abort_if_not(WrapperStruct00.var_1_18 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L122] EXPR WrapperStruct00.var_1_18 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L122] CALL assume_abort_if_not(WrapperStruct00.var_1_18 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L122] RET assume_abort_if_not(WrapperStruct00.var_1_18 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L136] RET updateVariables() [L137] CALL step() [L61] signed long int stepLocal_1 = last_1_WrapperStruct00_var_1_16; [L62] EXPR WrapperStruct00.var_1_3 [L62] unsigned long int stepLocal_0 = WrapperStruct00.var_1_3; [L63] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L63] COND TRUE stepLocal_1 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16) [L64] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L64] EXPR (((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16) [L64] EXPR (((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10] [L64] COND FALSE !(stepLocal_0 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) [L69] EXPR WrapperStruct00.var_1_9 [L69] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_9 [L72] EXPR WrapperStruct00.var_1_1 [L72] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L72] COND FALSE !(WrapperStruct00.var_1_1 < WrapperStruct00.var_1_1) [L75] EXPR WrapperStruct00.var_1_2 [L75] EXPR WrapperStruct00.var_1_5 [L75] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L75] EXPR WrapperStruct00.var_1_2 & (WrapperStruct00.var_1_5 / WrapperStruct00.var_1_17) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10, stepLocal_0=4294967295, stepLocal_1=10] [L75] unsigned long int stepLocal_2 = WrapperStruct00.var_1_2 & (WrapperStruct00.var_1_5 / WrapperStruct00.var_1_17); [L76] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L76] COND FALSE !(stepLocal_2 > WrapperStruct00.var_1_3) [L83] EXPR WrapperStruct00.var_1_18 [L83] WrapperStruct00.var_1_16 = WrapperStruct00.var_1_18 [L85] WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L85] COND FALSE !(WrapperStruct00.var_1_10) [L137] RET step() [L138] CALL, EXPR property() [L128] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR (last_1_WrapperStruct00_var_1_16 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16)) ? ((WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9))) : 1 [L128] EXPR WrapperStruct00.var_1_3 [L128] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR (((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16) [L128] EXPR (((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR (WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) [L128] EXPR WrapperStruct00.var_1_1 [L128] EXPR WrapperStruct00.var_1_9 [L128] EXPR (WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR (last_1_WrapperStruct00_var_1_16 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16)) ? ((WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR ((last_1_WrapperStruct00_var_1_16 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16)) ? ((WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9))) : 1) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((unsigned char) (! (WrapperStruct00.var_1_11 && WrapperStruct00.var_1_12)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR ((last_1_WrapperStruct00_var_1_16 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16)) ? ((WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9))) : 1) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((unsigned char) (! (WrapperStruct00.var_1_11 && WrapperStruct00.var_1_12)))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR (((last_1_WrapperStruct00_var_1_16 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16)) ? ((WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9))) : 1) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((unsigned char) (! (WrapperStruct00.var_1_11 && WrapperStruct00.var_1_12)))) : 1)) && (WrapperStruct00.var_1_10 ? ((WrapperStruct00.var_1_12 || (WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_13 == ((signed short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : 1) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR (((last_1_WrapperStruct00_var_1_16 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16)) ? ((WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9))) : 1) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((unsigned char) (! (WrapperStruct00.var_1_11 && WrapperStruct00.var_1_12)))) : 1)) && (WrapperStruct00.var_1_10 ? ((WrapperStruct00.var_1_12 || (WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_13 == ((signed short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : 1) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR ((((last_1_WrapperStruct00_var_1_16 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16)) ? ((WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9))) : 1) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((unsigned char) (! (WrapperStruct00.var_1_11 && WrapperStruct00.var_1_12)))) : 1)) && (WrapperStruct00.var_1_10 ? ((WrapperStruct00.var_1_12 || (WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_13 == ((signed short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : 1) : 1)) && (((WrapperStruct00.var_1_2 & (WrapperStruct00.var_1_5 / WrapperStruct00.var_1_17)) > WrapperStruct00.var_1_3) ? ((! WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128] EXPR ((((last_1_WrapperStruct00_var_1_16 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16)) ? ((WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9))) : 1) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((unsigned char) (! (WrapperStruct00.var_1_11 && WrapperStruct00.var_1_12)))) : 1)) && (WrapperStruct00.var_1_10 ? ((WrapperStruct00.var_1_12 || (WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_13 == ((signed short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : 1) : 1)) && (((WrapperStruct00.var_1_2 & (WrapperStruct00.var_1_5 / WrapperStruct00.var_1_17)) > WrapperStruct00.var_1_3) ? ((! WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L128-L129] return ((((last_1_WrapperStruct00_var_1_16 <= (WrapperStruct00.var_1_3 - last_1_WrapperStruct00_var_1_16)) ? ((WrapperStruct00.var_1_3 < (((((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) > (last_1_WrapperStruct00_var_1_16)) ? ((last_1_WrapperStruct00_var_1_16 / WrapperStruct00.var_1_5)) : (last_1_WrapperStruct00_var_1_16)))) ? (((WrapperStruct00.var_1_6 + WrapperStruct00.var_1_7) > WrapperStruct00.var_1_8) ? (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9)) : 1) : (WrapperStruct00.var_1_1 == ((double) WrapperStruct00.var_1_9))) : 1) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_1) ? (WrapperStruct00.var_1_10 == ((unsigned char) (! (WrapperStruct00.var_1_11 && WrapperStruct00.var_1_12)))) : 1)) && (WrapperStruct00.var_1_10 ? ((WrapperStruct00.var_1_12 || (WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_1))) ? (WrapperStruct00.var_1_13 == ((signed short int) (WrapperStruct00.var_1_16 + WrapperStruct00.var_1_16))) : 1) : 1)) && (((WrapperStruct00.var_1_2 & (WrapperStruct00.var_1_5 / WrapperStruct00.var_1_17)) > WrapperStruct00.var_1_3) ? ((! WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18)) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) : (WrapperStruct00.var_1_16 == ((unsigned char) WrapperStruct00.var_1_18))) ; [L138] RET, EXPR property() [L138] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_16=10] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_16=10] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 23.7s, OverallIterations: 11, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 12.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3469 SdHoareTripleChecker+Valid, 9.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3439 mSDsluCounter, 7068 SdHoareTripleChecker+Invalid, 8.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5499 mSDsCounter, 600 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5908 IncrementalHoareTripleChecker+Invalid, 6508 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 600 mSolverCounterUnsat, 1569 mSDtfsCounter, 5908 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2112 GetRequests, 1962 SyntacticMatches, 5 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2106 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=830occurred in iteration=10, InterpolantAutomatonStates: 148, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 866 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 2034 NumberOfCodeBlocks, 2034 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2029 ConstructedInterpolants, 0 QuantifiedInterpolants, 10558 SizeOfPredicates, 44 NumberOfNonLiveVariables, 4658 ConjunctsInSsa, 174 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 9462/9880 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-15 21:41:41,250 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...