/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-62.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-16 03:00:40,081 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-16 03:00:40,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-16 03:00:40,176 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-16 03:00:40,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-16 03:00:40,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-16 03:00:40,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-16 03:00:40,209 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-16 03:00:40,209 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-16 03:00:40,209 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-16 03:00:40,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-16 03:00:40,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-16 03:00:40,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-16 03:00:40,210 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-16 03:00:40,211 INFO L153 SettingsManager]: * Use SBE=true [2023-12-16 03:00:40,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-16 03:00:40,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-16 03:00:40,211 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-16 03:00:40,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-16 03:00:40,212 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-16 03:00:40,215 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-16 03:00:40,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-16 03:00:40,216 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-16 03:00:40,216 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-16 03:00:40,216 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-16 03:00:40,216 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-16 03:00:40,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-16 03:00:40,217 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-16 03:00:40,217 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-16 03:00:40,217 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-16 03:00:40,217 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-16 03:00:40,218 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-16 03:00:40,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:00:40,218 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-16 03:00:40,218 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-16 03:00:40,218 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-16 03:00:40,218 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-16 03:00:40,218 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-16 03:00:40,219 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-16 03:00:40,219 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-16 03:00:40,219 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-16 03:00:40,220 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-16 03:00:40,220 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-16 03:00:40,220 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-16 03:00:40,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-16 03:00:40,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-16 03:00:40,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-16 03:00:40,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-16 03:00:40,378 INFO L274 PluginConnector]: CDTParser initialized [2023-12-16 03:00:40,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-62.i [2023-12-16 03:00:41,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-16 03:00:41,643 INFO L384 CDTParser]: Found 1 translation units. [2023-12-16 03:00:41,643 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-500_file-62.i [2023-12-16 03:00:41,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7bdf7e3/83df188e0b484d7991957a2ca1c3ab08/FLAG16dd4b433 [2023-12-16 03:00:41,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc7bdf7e3/83df188e0b484d7991957a2ca1c3ab08 [2023-12-16 03:00:41,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-16 03:00:41,672 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-16 03:00:41,673 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-16 03:00:41,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-16 03:00:41,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-16 03:00:41,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:00:41" (1/1) ... [2023-12-16 03:00:41,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc0137d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:41, skipping insertion in model container [2023-12-16 03:00:41,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 03:00:41" (1/1) ... [2023-12-16 03:00:41,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-16 03:00:41,833 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_fillercode_fillercodesize_ps-cn-500_file-62.i[916,929] [2023-12-16 03:00:42,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:00:42,163 INFO L202 MainTranslator]: Completed pre-run [2023-12-16 03:00:42,171 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_fillercode_fillercodesize_ps-cn-500_file-62.i[916,929] [2023-12-16 03:00:42,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-16 03:00:42,310 INFO L206 MainTranslator]: Completed translation [2023-12-16 03:00:42,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42 WrapperNode [2023-12-16 03:00:42,316 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-16 03:00:42,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-16 03:00:42,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-16 03:00:42,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-16 03:00:42,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,580 INFO L138 Inliner]: procedures = 26, calls = 105, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 710 [2023-12-16 03:00:42,581 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-16 03:00:42,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-16 03:00:42,582 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-16 03:00:42,582 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-16 03:00:42,589 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,590 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,620 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-16 03:00:42,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,642 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,676 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-16 03:00:42,731 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-16 03:00:42,731 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-16 03:00:42,731 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-16 03:00:42,732 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (1/1) ... [2023-12-16 03:00:42,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-16 03:00:42,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:42,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-16 03:00:42,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-16 03:00:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-16 03:00:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-16 03:00:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-16 03:00:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-16 03:00:42,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-16 03:00:42,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-16 03:00:43,015 INFO L241 CfgBuilder]: Building ICFG [2023-12-16 03:00:43,017 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-16 03:00:43,990 INFO L282 CfgBuilder]: Performing block encoding [2023-12-16 03:00:44,024 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-16 03:00:44,025 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-16 03:00:44,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:00:44 BoogieIcfgContainer [2023-12-16 03:00:44,025 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-16 03:00:44,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-16 03:00:44,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-16 03:00:44,028 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-16 03:00:44,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 03:00:41" (1/3) ... [2023-12-16 03:00:44,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d30a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:00:44, skipping insertion in model container [2023-12-16 03:00:44,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 03:00:42" (2/3) ... [2023-12-16 03:00:44,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58d30a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 03:00:44, skipping insertion in model container [2023-12-16 03:00:44,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 03:00:44" (3/3) ... [2023-12-16 03:00:44,030 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-500_file-62.i [2023-12-16 03:00:44,041 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-16 03:00:44,041 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-16 03:00:44,084 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-16 03:00:44,089 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;@465c90f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-16 03:00:44,089 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-16 03:00:44,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 281 states, 186 states have (on average 1.6451612903225807) internal successors, (306), 187 states have internal predecessors, (306), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-12-16 03:00:44,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2023-12-16 03:00:44,141 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:44,142 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:44,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:44,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:44,147 INFO L85 PathProgramCache]: Analyzing trace with hash 191130225, now seen corresponding path program 1 times [2023-12-16 03:00:44,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:44,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896050050] [2023-12-16 03:00:44,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:44,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:44,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:44,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896050050] [2023-12-16 03:00:44,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-16 03:00:44,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302133675] [2023-12-16 03:00:44,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:44,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:44,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:44,728 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:44,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-16 03:00:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:45,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-16 03:00:45,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:45,271 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 16562 trivial. 0 not checked. [2023-12-16 03:00:45,271 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:00:45,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302133675] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:00:45,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:00:45,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-16 03:00:45,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443335503] [2023-12-16 03:00:45,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:00:45,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-16 03:00:45,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:45,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-16 03:00:45,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 03:00:45,316 INFO L87 Difference]: Start difference. First operand has 281 states, 186 states have (on average 1.6451612903225807) internal successors, (306), 187 states have internal predecessors, (306), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) Second operand has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 2 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 2 states have call successors, (92) [2023-12-16 03:00:45,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:45,386 INFO L93 Difference]: Finished difference Result 559 states and 1070 transitions. [2023-12-16 03:00:45,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-16 03:00:45,389 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 2 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 2 states have call successors, (92) Word has length 593 [2023-12-16 03:00:45,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:45,400 INFO L225 Difference]: With dead ends: 559 [2023-12-16 03:00:45,400 INFO L226 Difference]: Without dead ends: 279 [2023-12-16 03:00:45,406 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-16 03:00:45,408 INFO L413 NwaCegarLoop]: 482 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:45,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 482 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 03:00:45,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2023-12-16 03:00:45,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2023-12-16 03:00:45,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 279 states, 185 states have (on average 1.627027027027027) internal successors, (301), 185 states have internal predecessors, (301), 92 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-12-16 03:00:45,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 485 transitions. [2023-12-16 03:00:45,455 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 485 transitions. Word has length 593 [2023-12-16 03:00:45,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:45,455 INFO L495 AbstractCegarLoop]: Abstraction has 279 states and 485 transitions. [2023-12-16 03:00:45,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 69.0) internal successors, (138), 2 states have internal predecessors, (138), 2 states have call successors, (92), 2 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 2 states have call successors, (92) [2023-12-16 03:00:45,455 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 485 transitions. [2023-12-16 03:00:45,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2023-12-16 03:00:45,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:45,468 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:45,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-16 03:00:45,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-16 03:00:45,676 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:45,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:45,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1629182705, now seen corresponding path program 1 times [2023-12-16 03:00:45,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:45,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136232978] [2023-12-16 03:00:45,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:45,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:45,823 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:45,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [305660106] [2023-12-16 03:00:45,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:45,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:45,831 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:45,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-16 03:00:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:46,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 03:00:46,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:46,189 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:00:46,189 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:00:46,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:46,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136232978] [2023-12-16 03:00:46,189 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:00:46,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305660106] [2023-12-16 03:00:46,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305660106] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:00:46,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:00:46,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 03:00:46,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585123211] [2023-12-16 03:00:46,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:00:46,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 03:00:46,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:46,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 03:00:46,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:00:46,193 INFO L87 Difference]: Start difference. First operand 279 states and 485 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:46,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:46,293 INFO L93 Difference]: Finished difference Result 720 states and 1261 transitions. [2023-12-16 03:00:46,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 03:00:46,293 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 593 [2023-12-16 03:00:46,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:46,300 INFO L225 Difference]: With dead ends: 720 [2023-12-16 03:00:46,300 INFO L226 Difference]: Without dead ends: 442 [2023-12-16 03:00:46,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:00:46,302 INFO L413 NwaCegarLoop]: 526 mSDtfsCounter, 290 mSDsluCounter, 455 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 981 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:46,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 981 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 03:00:46,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-12-16 03:00:46,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 439. [2023-12-16 03:00:46,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 323 states have (on average 1.696594427244582) internal successors, (548), 324 states have internal predecessors, (548), 113 states have call successors, (113), 2 states have call predecessors, (113), 2 states have return successors, (113), 112 states have call predecessors, (113), 113 states have call successors, (113) [2023-12-16 03:00:46,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 774 transitions. [2023-12-16 03:00:46,345 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 774 transitions. Word has length 593 [2023-12-16 03:00:46,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:46,347 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 774 transitions. [2023-12-16 03:00:46,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 774 transitions. [2023-12-16 03:00:46,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2023-12-16 03:00:46,355 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:46,355 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:46,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-16 03:00:46,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-16 03:00:46,565 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:46,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:46,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1826750929, now seen corresponding path program 1 times [2023-12-16 03:00:46,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:46,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905965566] [2023-12-16 03:00:46,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:46,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:46,740 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:46,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [236440585] [2023-12-16 03:00:46,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:46,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:46,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:46,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:46,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-16 03:00:47,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:47,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 1347 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 03:00:47,199 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:00:47,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:00:47,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:47,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905965566] [2023-12-16 03:00:47,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:00:47,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236440585] [2023-12-16 03:00:47,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236440585] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:00:47,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:00:47,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 03:00:47,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925034889] [2023-12-16 03:00:47,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:00:47,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 03:00:47,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:47,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 03:00:47,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:00:47,320 INFO L87 Difference]: Start difference. First operand 439 states and 774 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:47,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:47,386 INFO L93 Difference]: Finished difference Result 1193 states and 2112 transitions. [2023-12-16 03:00:47,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 03:00:47,386 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 593 [2023-12-16 03:00:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:47,400 INFO L225 Difference]: With dead ends: 1193 [2023-12-16 03:00:47,400 INFO L226 Difference]: Without dead ends: 755 [2023-12-16 03:00:47,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:00:47,403 INFO L413 NwaCegarLoop]: 476 mSDtfsCounter, 245 mSDsluCounter, 466 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:47,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 942 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 03:00:47,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2023-12-16 03:00:47,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 752. [2023-12-16 03:00:47,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 586 states have (on average 1.7184300341296928) internal successors, (1007), 589 states have internal predecessors, (1007), 161 states have call successors, (161), 4 states have call predecessors, (161), 4 states have return successors, (161), 158 states have call predecessors, (161), 161 states have call successors, (161) [2023-12-16 03:00:47,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 1329 transitions. [2023-12-16 03:00:47,499 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 1329 transitions. Word has length 593 [2023-12-16 03:00:47,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:47,501 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 1329 transitions. [2023-12-16 03:00:47,501 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1329 transitions. [2023-12-16 03:00:47,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2023-12-16 03:00:47,516 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:47,516 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:47,538 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-16 03:00:47,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:47,724 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:47,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:47,724 INFO L85 PathProgramCache]: Analyzing trace with hash -910434771, now seen corresponding path program 1 times [2023-12-16 03:00:47,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:47,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862323838] [2023-12-16 03:00:47,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:47,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:47,811 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:47,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1749333401] [2023-12-16 03:00:47,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:47,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:47,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:47,813 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:47,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-16 03:00:48,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:48,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 03:00:48,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:48,332 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:00:48,332 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:00:48,332 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:48,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862323838] [2023-12-16 03:00:48,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:00:48,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749333401] [2023-12-16 03:00:48,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749333401] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:00:48,332 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:00:48,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 03:00:48,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978321715] [2023-12-16 03:00:48,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:00:48,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 03:00:48,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:48,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 03:00:48,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:00:48,335 INFO L87 Difference]: Start difference. First operand 752 states and 1329 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:48,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:48,450 INFO L93 Difference]: Finished difference Result 2170 states and 3821 transitions. [2023-12-16 03:00:48,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 03:00:48,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 593 [2023-12-16 03:00:48,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:48,458 INFO L225 Difference]: With dead ends: 2170 [2023-12-16 03:00:48,458 INFO L226 Difference]: Without dead ends: 1419 [2023-12-16 03:00:48,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:00:48,466 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 467 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 1374 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:48,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 1374 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 03:00:48,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2023-12-16 03:00:48,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1417. [2023-12-16 03:00:48,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1417 states, 1086 states have (on average 1.6887661141804788) internal successors, (1834), 1092 states have internal predecessors, (1834), 322 states have call successors, (322), 8 states have call predecessors, (322), 8 states have return successors, (322), 316 states have call predecessors, (322), 322 states have call successors, (322) [2023-12-16 03:00:48,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1417 states to 1417 states and 2478 transitions. [2023-12-16 03:00:48,636 INFO L78 Accepts]: Start accepts. Automaton has 1417 states and 2478 transitions. Word has length 593 [2023-12-16 03:00:48,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:48,637 INFO L495 AbstractCegarLoop]: Abstraction has 1417 states and 2478 transitions. [2023-12-16 03:00:48,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 2478 transitions. [2023-12-16 03:00:48,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2023-12-16 03:00:48,642 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:48,643 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:48,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-16 03:00:48,849 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:48,850 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:48,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:48,850 INFO L85 PathProgramCache]: Analyzing trace with hash 1695588783, now seen corresponding path program 1 times [2023-12-16 03:00:48,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:48,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713695302] [2023-12-16 03:00:48,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:48,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:48,905 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:48,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1378678227] [2023-12-16 03:00:48,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:48,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:48,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:48,924 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:48,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-16 03:00:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:49,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-16 03:00:49,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:49,442 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:00:49,442 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:00:49,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:49,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713695302] [2023-12-16 03:00:49,443 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:00:49,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1378678227] [2023-12-16 03:00:49,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1378678227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:00:49,493 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:00:49,493 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-16 03:00:49,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101721544] [2023-12-16 03:00:49,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:00:49,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-16 03:00:49,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:49,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-16 03:00:49,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:00:49,495 INFO L87 Difference]: Start difference. First operand 1417 states and 2478 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:49,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:49,595 INFO L93 Difference]: Finished difference Result 3974 states and 6966 transitions. [2023-12-16 03:00:49,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-16 03:00:49,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 593 [2023-12-16 03:00:49,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:49,605 INFO L225 Difference]: With dead ends: 3974 [2023-12-16 03:00:49,606 INFO L226 Difference]: Without dead ends: 2558 [2023-12-16 03:00:49,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 592 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-16 03:00:49,610 INFO L413 NwaCegarLoop]: 473 mSDtfsCounter, 219 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 935 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:49,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 935 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-16 03:00:49,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2558 states. [2023-12-16 03:00:49,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2558 to 2548. [2023-12-16 03:00:49,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2548 states, 2057 states have (on average 1.6966456003889159) internal successors, (3490), 2071 states have internal predecessors, (3490), 474 states have call successors, (474), 16 states have call predecessors, (474), 16 states have return successors, (474), 460 states have call predecessors, (474), 474 states have call successors, (474) [2023-12-16 03:00:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2548 states to 2548 states and 4438 transitions. [2023-12-16 03:00:49,792 INFO L78 Accepts]: Start accepts. Automaton has 2548 states and 4438 transitions. Word has length 593 [2023-12-16 03:00:49,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:49,793 INFO L495 AbstractCegarLoop]: Abstraction has 2548 states and 4438 transitions. [2023-12-16 03:00:49,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2548 states and 4438 transitions. [2023-12-16 03:00:49,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 594 [2023-12-16 03:00:49,799 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:49,799 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:49,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-16 03:00:50,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:50,007 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:50,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:50,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1578310159, now seen corresponding path program 1 times [2023-12-16 03:00:50,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:50,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191879806] [2023-12-16 03:00:50,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:50,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:50,090 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:50,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [264795044] [2023-12-16 03:00:50,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:50,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:50,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:50,091 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:50,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-16 03:00:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:50,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 03:00:50,427 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:50,981 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 7707 proven. 177 refuted. 0 times theorem prover too weak. 8860 trivial. 0 not checked. [2023-12-16 03:00:50,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:00:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 96 proven. 177 refuted. 0 times theorem prover too weak. 16471 trivial. 0 not checked. [2023-12-16 03:00:51,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:51,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191879806] [2023-12-16 03:00:51,346 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:00:51,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [264795044] [2023-12-16 03:00:51,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [264795044] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 03:00:51,346 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 03:00:51,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-16 03:00:51,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331498159] [2023-12-16 03:00:51,346 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 03:00:51,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 03:00:51,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:51,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 03:00:51,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:00:51,348 INFO L87 Difference]: Start difference. First operand 2548 states and 4438 transitions. Second operand has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (151), 2 states have call predecessors, (151), 4 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2023-12-16 03:00:52,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:52,026 INFO L93 Difference]: Finished difference Result 5139 states and 8917 transitions. [2023-12-16 03:00:52,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 03:00:52,026 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (151), 2 states have call predecessors, (151), 4 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) Word has length 593 [2023-12-16 03:00:52,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:52,049 INFO L225 Difference]: With dead ends: 5139 [2023-12-16 03:00:52,049 INFO L226 Difference]: Without dead ends: 2592 [2023-12-16 03:00:52,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1188 GetRequests, 1178 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-16 03:00:52,068 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 779 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:52,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 937 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-16 03:00:52,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2592 states. [2023-12-16 03:00:52,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2592 to 2556. [2023-12-16 03:00:52,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 2063 states have (on average 1.6602035870092098) internal successors, (3425), 2077 states have internal predecessors, (3425), 474 states have call successors, (474), 18 states have call predecessors, (474), 18 states have return successors, (474), 460 states have call predecessors, (474), 474 states have call successors, (474) [2023-12-16 03:00:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 4373 transitions. [2023-12-16 03:00:52,246 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 4373 transitions. Word has length 593 [2023-12-16 03:00:52,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:52,247 INFO L495 AbstractCegarLoop]: Abstraction has 2556 states and 4373 transitions. [2023-12-16 03:00:52,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.714285714285715) internal successors, (145), 7 states have internal predecessors, (145), 2 states have call successors, (151), 2 states have call predecessors, (151), 4 states have return successors, (152), 2 states have call predecessors, (152), 2 states have call successors, (152) [2023-12-16 03:00:52,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 4373 transitions. [2023-12-16 03:00:52,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 03:00:52,283 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:52,283 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:52,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-16 03:00:52,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:52,493 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:52,494 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:52,494 INFO L85 PathProgramCache]: Analyzing trace with hash 458168585, now seen corresponding path program 1 times [2023-12-16 03:00:52,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:52,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959750726] [2023-12-16 03:00:52,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:52,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:52,571 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:52,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916878312] [2023-12-16 03:00:52,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:52,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:52,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:52,586 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:52,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-16 03:00:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:52,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-16 03:00:52,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 7471 proven. 183 refuted. 0 times theorem prover too weak. 9090 trivial. 0 not checked. [2023-12-16 03:00:53,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:00:53,780 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 90 proven. 183 refuted. 0 times theorem prover too weak. 16471 trivial. 0 not checked. [2023-12-16 03:00:53,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:53,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959750726] [2023-12-16 03:00:53,781 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:00:53,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916878312] [2023-12-16 03:00:53,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916878312] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 03:00:53,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 03:00:53,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2023-12-16 03:00:53,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799089471] [2023-12-16 03:00:53,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 03:00:53,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 03:00:53,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:53,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 03:00:53,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:00:53,783 INFO L87 Difference]: Start difference. First operand 2556 states and 4373 transitions. Second operand has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 2 states have call successors, (153), 2 states have call predecessors, (153), 4 states have return successors, (154), 2 states have call predecessors, (154), 2 states have call successors, (154) [2023-12-16 03:00:54,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:54,266 INFO L93 Difference]: Finished difference Result 5159 states and 8791 transitions. [2023-12-16 03:00:54,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-16 03:00:54,267 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 2 states have call successors, (153), 2 states have call predecessors, (153), 4 states have return successors, (154), 2 states have call predecessors, (154), 2 states have call successors, (154) Word has length 594 [2023-12-16 03:00:54,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:54,277 INFO L225 Difference]: With dead ends: 5159 [2023-12-16 03:00:54,277 INFO L226 Difference]: Without dead ends: 2604 [2023-12-16 03:00:54,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1190 GetRequests, 1180 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2023-12-16 03:00:54,283 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 417 mSDsluCounter, 562 mSDsCounter, 0 mSdLazyCounter, 473 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 473 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:54,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 937 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 473 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 03:00:54,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2604 states. [2023-12-16 03:00:54,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2604 to 2564. [2023-12-16 03:00:54,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2564 states, 2069 states have (on average 1.6428226196230062) internal successors, (3399), 2083 states have internal predecessors, (3399), 474 states have call successors, (474), 20 states have call predecessors, (474), 20 states have return successors, (474), 460 states have call predecessors, (474), 474 states have call successors, (474) [2023-12-16 03:00:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2564 states to 2564 states and 4347 transitions. [2023-12-16 03:00:54,425 INFO L78 Accepts]: Start accepts. Automaton has 2564 states and 4347 transitions. Word has length 594 [2023-12-16 03:00:54,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:54,425 INFO L495 AbstractCegarLoop]: Abstraction has 2564 states and 4347 transitions. [2023-12-16 03:00:54,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.857142857142858) internal successors, (146), 7 states have internal predecessors, (146), 2 states have call successors, (153), 2 states have call predecessors, (153), 4 states have return successors, (154), 2 states have call predecessors, (154), 2 states have call successors, (154) [2023-12-16 03:00:54,426 INFO L276 IsEmpty]: Start isEmpty. Operand 2564 states and 4347 transitions. [2023-12-16 03:00:54,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 03:00:54,431 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:54,431 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:54,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-16 03:00:54,640 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:54,641 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:54,641 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:54,641 INFO L85 PathProgramCache]: Analyzing trace with hash 1170643273, now seen corresponding path program 1 times [2023-12-16 03:00:54,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:54,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077126809] [2023-12-16 03:00:54,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:54,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:54,679 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:54,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1193952183] [2023-12-16 03:00:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:54,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:54,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:54,681 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:54,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-16 03:00:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:55,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 1343 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 03:00:55,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:00:55,121 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:00:55,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:55,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077126809] [2023-12-16 03:00:55,122 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:00:55,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1193952183] [2023-12-16 03:00:55,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1193952183] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:00:55,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:00:55,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 03:00:55,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431469106] [2023-12-16 03:00:55,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:00:55,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 03:00:55,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:55,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 03:00:55,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 03:00:55,124 INFO L87 Difference]: Start difference. First operand 2564 states and 4347 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:55,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:55,304 INFO L93 Difference]: Finished difference Result 6206 states and 10518 transitions. [2023-12-16 03:00:55,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-16 03:00:55,305 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 594 [2023-12-16 03:00:55,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:55,317 INFO L225 Difference]: With dead ends: 6206 [2023-12-16 03:00:55,317 INFO L226 Difference]: Without dead ends: 3643 [2023-12-16 03:00:55,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 03:00:55,322 INFO L413 NwaCegarLoop]: 472 mSDtfsCounter, 1104 mSDsluCounter, 1158 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 1630 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:55,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 1630 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-16 03:00:55,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3643 states. [2023-12-16 03:00:55,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3643 to 3627. [2023-12-16 03:00:55,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3627 states, 2923 states have (on average 1.6383852206637017) internal successors, (4789), 2942 states have internal predecessors, (4789), 673 states have call successors, (673), 30 states have call predecessors, (673), 30 states have return successors, (673), 654 states have call predecessors, (673), 673 states have call successors, (673) [2023-12-16 03:00:55,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3627 states to 3627 states and 6135 transitions. [2023-12-16 03:00:55,494 INFO L78 Accepts]: Start accepts. Automaton has 3627 states and 6135 transitions. Word has length 594 [2023-12-16 03:00:55,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:55,495 INFO L495 AbstractCegarLoop]: Abstraction has 3627 states and 6135 transitions. [2023-12-16 03:00:55,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:55,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3627 states and 6135 transitions. [2023-12-16 03:00:55,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 03:00:55,502 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:55,503 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:55,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-16 03:00:55,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-16 03:00:55,710 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:55,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:55,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1575928891, now seen corresponding path program 1 times [2023-12-16 03:00:55,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:55,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777780574] [2023-12-16 03:00:55,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:55,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:55,759 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:55,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1081804095] [2023-12-16 03:00:55,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:55,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:55,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:55,761 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:55,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-16 03:00:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:56,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 03:00:56,218 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:56,279 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:00:56,279 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:00:56,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:56,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777780574] [2023-12-16 03:00:56,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:00:56,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081804095] [2023-12-16 03:00:56,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081804095] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:00:56,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:00:56,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 03:00:56,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942068557] [2023-12-16 03:00:56,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:00:56,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 03:00:56,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:56,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 03:00:56,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 03:00:56,283 INFO L87 Difference]: Start difference. First operand 3627 states and 6135 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:56,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:56,777 INFO L93 Difference]: Finished difference Result 8555 states and 14185 transitions. [2023-12-16 03:00:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 03:00:56,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 594 [2023-12-16 03:00:56,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:56,795 INFO L225 Difference]: With dead ends: 8555 [2023-12-16 03:00:56,795 INFO L226 Difference]: Without dead ends: 4929 [2023-12-16 03:00:56,803 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 03:00:56,821 INFO L413 NwaCegarLoop]: 495 mSDtfsCounter, 98 mSDsluCounter, 475 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 970 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:56,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 970 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 03:00:56,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4929 states. [2023-12-16 03:00:57,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4929 to 4331. [2023-12-16 03:00:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4331 states, 3407 states have (on average 1.5799823891987086) internal successors, (5383), 3448 states have internal predecessors, (5383), 871 states have call successors, (871), 52 states have call predecessors, (871), 52 states have return successors, (871), 830 states have call predecessors, (871), 871 states have call successors, (871) [2023-12-16 03:00:57,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4331 states to 4331 states and 7125 transitions. [2023-12-16 03:00:57,130 INFO L78 Accepts]: Start accepts. Automaton has 4331 states and 7125 transitions. Word has length 594 [2023-12-16 03:00:57,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:57,131 INFO L495 AbstractCegarLoop]: Abstraction has 4331 states and 7125 transitions. [2023-12-16 03:00:57,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:57,131 INFO L276 IsEmpty]: Start isEmpty. Operand 4331 states and 7125 transitions. [2023-12-16 03:00:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 03:00:57,139 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:57,139 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:57,160 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-16 03:00:57,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:57,350 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:57,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:57,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1518670589, now seen corresponding path program 1 times [2023-12-16 03:00:57,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:57,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287954573] [2023-12-16 03:00:57,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:57,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:57,387 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:57,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [652775821] [2023-12-16 03:00:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:57,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:57,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:57,388 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:57,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-16 03:00:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:57,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-16 03:00:57,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:00:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:00:57,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:00:57,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:00:57,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287954573] [2023-12-16 03:00:57,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:00:57,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652775821] [2023-12-16 03:00:57,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652775821] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:00:57,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:00:57,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-16 03:00:57,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99933004] [2023-12-16 03:00:57,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:00:57,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-16 03:00:57,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:00:57,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-16 03:00:57,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-16 03:00:57,795 INFO L87 Difference]: Start difference. First operand 4331 states and 7125 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:58,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:00:58,620 INFO L93 Difference]: Finished difference Result 16663 states and 27323 transitions. [2023-12-16 03:00:58,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-16 03:00:58,621 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 594 [2023-12-16 03:00:58,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:00:58,676 INFO L225 Difference]: With dead ends: 16663 [2023-12-16 03:00:58,676 INFO L226 Difference]: Without dead ends: 12333 [2023-12-16 03:00:58,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 590 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:00:58,690 INFO L413 NwaCegarLoop]: 479 mSDtfsCounter, 2079 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 266 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2079 SdHoareTripleChecker+Valid, 2325 SdHoareTripleChecker+Invalid, 466 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 266 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 03:00:58,690 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2079 Valid, 2325 Invalid, 466 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [266 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 03:00:58,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12333 states. [2023-12-16 03:00:59,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12333 to 12311. [2023-12-16 03:00:59,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12311 states, 9754 states have (on average 1.5575148656961246) internal successors, (15192), 9880 states have internal predecessors, (15192), 2406 states have call successors, (2406), 150 states have call predecessors, (2406), 150 states have return successors, (2406), 2280 states have call predecessors, (2406), 2406 states have call successors, (2406) [2023-12-16 03:00:59,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12311 states to 12311 states and 20004 transitions. [2023-12-16 03:00:59,314 INFO L78 Accepts]: Start accepts. Automaton has 12311 states and 20004 transitions. Word has length 594 [2023-12-16 03:00:59,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:00:59,315 INFO L495 AbstractCegarLoop]: Abstraction has 12311 states and 20004 transitions. [2023-12-16 03:00:59,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:00:59,315 INFO L276 IsEmpty]: Start isEmpty. Operand 12311 states and 20004 transitions. [2023-12-16 03:00:59,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 03:00:59,328 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:00:59,328 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:00:59,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-16 03:00:59,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-16 03:00:59,536 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:00:59,536 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:00:59,536 INFO L85 PathProgramCache]: Analyzing trace with hash -2039061435, now seen corresponding path program 1 times [2023-12-16 03:00:59,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:00:59,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183667519] [2023-12-16 03:00:59,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:59,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:00:59,581 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:00:59,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [323647479] [2023-12-16 03:00:59,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:00:59,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:00:59,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:00:59,610 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:00:59,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-16 03:00:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:00:59,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 1348 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-16 03:00:59,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:01:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:01:00,157 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:01:00,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:01:00,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183667519] [2023-12-16 03:01:00,157 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:01:00,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [323647479] [2023-12-16 03:01:00,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [323647479] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:01:00,157 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:01:00,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-16 03:01:00,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776252711] [2023-12-16 03:01:00,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:01:00,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-16 03:01:00,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:01:00,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-16 03:01:00,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-12-16 03:01:00,159 INFO L87 Difference]: Start difference. First operand 12311 states and 20004 transitions. Second operand has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:01:03,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:01:03,416 INFO L93 Difference]: Finished difference Result 46313 states and 74977 transitions. [2023-12-16 03:01:03,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-16 03:01:03,416 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 594 [2023-12-16 03:01:03,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:01:03,602 INFO L225 Difference]: With dead ends: 46313 [2023-12-16 03:01:03,602 INFO L226 Difference]: Without dead ends: 34003 [2023-12-16 03:01:03,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2023-12-16 03:01:03,628 INFO L413 NwaCegarLoop]: 483 mSDtfsCounter, 3320 mSDsluCounter, 4396 mSDsCounter, 0 mSdLazyCounter, 938 mSolverCounterSat, 535 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3320 SdHoareTripleChecker+Valid, 4879 SdHoareTripleChecker+Invalid, 1473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 535 IncrementalHoareTripleChecker+Valid, 938 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2023-12-16 03:01:03,628 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3320 Valid, 4879 Invalid, 1473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [535 Valid, 938 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2023-12-16 03:01:03,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34003 states. [2023-12-16 03:01:04,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34003 to 24619. [2023-12-16 03:01:05,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24619 states, 19506 states have (on average 1.5541884548344098) internal successors, (30316), 19758 states have internal predecessors, (30316), 4812 states have call successors, (4812), 300 states have call predecessors, (4812), 300 states have return successors, (4812), 4560 states have call predecessors, (4812), 4812 states have call successors, (4812) [2023-12-16 03:01:05,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24619 states to 24619 states and 39940 transitions. [2023-12-16 03:01:05,066 INFO L78 Accepts]: Start accepts. Automaton has 24619 states and 39940 transitions. Word has length 594 [2023-12-16 03:01:05,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:01:05,067 INFO L495 AbstractCegarLoop]: Abstraction has 24619 states and 39940 transitions. [2023-12-16 03:01:05,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.571428571428573) internal successors, (137), 7 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:01:05,067 INFO L276 IsEmpty]: Start isEmpty. Operand 24619 states and 39940 transitions. [2023-12-16 03:01:05,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 03:01:05,087 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:01:05,087 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:01:05,095 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-16 03:01:05,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-16 03:01:05,297 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:01:05,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:01:05,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1977021821, now seen corresponding path program 1 times [2023-12-16 03:01:05,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:01:05,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156397566] [2023-12-16 03:01:05,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:01:05,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:01:05,369 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:01:05,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1620162105] [2023-12-16 03:01:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:01:05,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:01:05,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:01:05,385 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:01:05,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-16 03:01:05,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:01:05,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-16 03:01:05,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:01:06,018 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:01:06,018 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:01:06,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:01:06,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156397566] [2023-12-16 03:01:06,019 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:01:06,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620162105] [2023-12-16 03:01:06,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620162105] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:01:06,019 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:01:06,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 03:01:06,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561863857] [2023-12-16 03:01:06,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:01:06,019 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 03:01:06,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:01:06,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 03:01:06,020 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 03:01:06,020 INFO L87 Difference]: Start difference. First operand 24619 states and 39940 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:01:07,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:01:07,738 INFO L93 Difference]: Finished difference Result 57665 states and 93273 transitions. [2023-12-16 03:01:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 03:01:07,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 594 [2023-12-16 03:01:07,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:01:07,933 INFO L225 Difference]: With dead ends: 57665 [2023-12-16 03:01:07,934 INFO L226 Difference]: Without dead ends: 33047 [2023-12-16 03:01:08,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 591 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-16 03:01:08,032 INFO L413 NwaCegarLoop]: 509 mSDtfsCounter, 782 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 782 SdHoareTripleChecker+Valid, 1170 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-16 03:01:08,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [782 Valid, 1170 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-16 03:01:08,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33047 states. [2023-12-16 03:01:10,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33047 to 28979. [2023-12-16 03:01:10,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28979 states, 23074 states have (on average 1.553870156886539) internal successors, (35854), 23374 states have internal predecessors, (35854), 5532 states have call successors, (5532), 372 states have call predecessors, (5532), 372 states have return successors, (5532), 5232 states have call predecessors, (5532), 5532 states have call successors, (5532) [2023-12-16 03:01:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28979 states to 28979 states and 46918 transitions. [2023-12-16 03:01:10,166 INFO L78 Accepts]: Start accepts. Automaton has 28979 states and 46918 transitions. Word has length 594 [2023-12-16 03:01:10,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:01:10,167 INFO L495 AbstractCegarLoop]: Abstraction has 28979 states and 46918 transitions. [2023-12-16 03:01:10,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:01:10,167 INFO L276 IsEmpty]: Start isEmpty. Operand 28979 states and 46918 transitions. [2023-12-16 03:01:10,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 03:01:10,226 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:01:10,227 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:01:10,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-16 03:01:10,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-16 03:01:10,448 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:01:10,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:01:10,449 INFO L85 PathProgramCache]: Analyzing trace with hash 935203263, now seen corresponding path program 1 times [2023-12-16 03:01:10,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:01:10,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58062039] [2023-12-16 03:01:10,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:01:10,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:01:10,589 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:01:10,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [143774081] [2023-12-16 03:01:10,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:01:10,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:01:10,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:01:10,591 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:01:10,634 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-16 03:01:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:01:10,937 INFO L262 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-16 03:01:10,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:01:11,026 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16744 trivial. 0 not checked. [2023-12-16 03:01:11,027 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-16 03:01:11,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:01:11,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58062039] [2023-12-16 03:01:11,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:01:11,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143774081] [2023-12-16 03:01:11,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143774081] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-16 03:01:11,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-16 03:01:11,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-16 03:01:11,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052502322] [2023-12-16 03:01:11,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-16 03:01:11,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-16 03:01:11,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:01:11,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-16 03:01:11,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-16 03:01:11,037 INFO L87 Difference]: Start difference. First operand 28979 states and 46918 transitions. Second operand has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:01:14,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:01:14,114 INFO L93 Difference]: Finished difference Result 98569 states and 159633 transitions. [2023-12-16 03:01:14,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-16 03:01:14,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) Word has length 594 [2023-12-16 03:01:14,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:01:14,316 INFO L225 Difference]: With dead ends: 98569 [2023-12-16 03:01:14,317 INFO L226 Difference]: Without dead ends: 69591 [2023-12-16 03:01:14,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-16 03:01:14,369 INFO L413 NwaCegarLoop]: 717 mSDtfsCounter, 920 mSDsluCounter, 1144 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 920 SdHoareTripleChecker+Valid, 1861 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-16 03:01:14,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [920 Valid, 1861 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-16 03:01:14,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69591 states. [2023-12-16 03:01:17,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69591 to 55623. [2023-12-16 03:01:17,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55623 states, 44558 states have (on average 1.5613357870640514) internal successors, (69570), 45110 states have internal predecessors, (69570), 10368 states have call successors, (10368), 696 states have call predecessors, (10368), 696 states have return successors, (10368), 9816 states have call predecessors, (10368), 10368 states have call successors, (10368) [2023-12-16 03:01:17,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55623 states to 55623 states and 90306 transitions. [2023-12-16 03:01:17,836 INFO L78 Accepts]: Start accepts. Automaton has 55623 states and 90306 transitions. Word has length 594 [2023-12-16 03:01:17,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:01:17,837 INFO L495 AbstractCegarLoop]: Abstraction has 55623 states and 90306 transitions. [2023-12-16 03:01:17,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 34.25) internal successors, (137), 4 states have internal predecessors, (137), 1 states have call successors, (92), 1 states have call predecessors, (92), 1 states have return successors, (92), 1 states have call predecessors, (92), 1 states have call successors, (92) [2023-12-16 03:01:17,837 INFO L276 IsEmpty]: Start isEmpty. Operand 55623 states and 90306 transitions. [2023-12-16 03:01:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 03:01:17,897 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:01:17,897 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:01:17,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-16 03:01:18,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-16 03:01:18,105 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:01:18,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:01:18,106 INFO L85 PathProgramCache]: Analyzing trace with hash -1451306243, now seen corresponding path program 1 times [2023-12-16 03:01:18,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:01:18,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897703446] [2023-12-16 03:01:18,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:01:18,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:01:18,137 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:01:18,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1265206380] [2023-12-16 03:01:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:01:18,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:01:18,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:01:18,139 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:01:18,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-16 03:01:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-16 03:01:18,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 1346 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-16 03:01:18,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-16 03:01:20,668 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 10646 proven. 390 refuted. 0 times theorem prover too weak. 5708 trivial. 0 not checked. [2023-12-16 03:01:20,668 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-16 03:01:22,448 INFO L134 CoverageAnalysis]: Checked inductivity of 16744 backedges. 174 proven. 99 refuted. 0 times theorem prover too weak. 16471 trivial. 0 not checked. [2023-12-16 03:01:22,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-16 03:01:22,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897703446] [2023-12-16 03:01:22,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-16 03:01:22,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265206380] [2023-12-16 03:01:22,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265206380] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-16 03:01:22,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-16 03:01:22,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 6] total 16 [2023-12-16 03:01:22,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544062205] [2023-12-16 03:01:22,449 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-16 03:01:22,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-16 03:01:22,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-16 03:01:22,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-16 03:01:22,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2023-12-16 03:01:22,451 INFO L87 Difference]: Start difference. First operand 55623 states and 90306 transitions. Second operand has 16 states, 16 states have (on average 12.6875) internal successors, (203), 16 states have internal predecessors, (203), 5 states have call successors, (143), 4 states have call predecessors, (143), 8 states have return successors, (144), 5 states have call predecessors, (144), 5 states have call successors, (144) [2023-12-16 03:01:35,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-16 03:01:35,791 INFO L93 Difference]: Finished difference Result 219117 states and 352453 transitions. [2023-12-16 03:01:35,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-12-16 03:01:35,792 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 12.6875) internal successors, (203), 16 states have internal predecessors, (203), 5 states have call successors, (143), 4 states have call predecessors, (143), 8 states have return successors, (144), 5 states have call predecessors, (144), 5 states have call successors, (144) Word has length 594 [2023-12-16 03:01:35,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-16 03:01:36,576 INFO L225 Difference]: With dead ends: 219117 [2023-12-16 03:01:36,576 INFO L226 Difference]: Without dead ends: 163495 [2023-12-16 03:01:36,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1220 GetRequests, 1174 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=571, Invalid=1685, Unknown=0, NotChecked=0, Total=2256 [2023-12-16 03:01:36,671 INFO L413 NwaCegarLoop]: 578 mSDtfsCounter, 838 mSDsluCounter, 2427 mSDsCounter, 0 mSdLazyCounter, 2553 mSolverCounterSat, 270 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 881 SdHoareTripleChecker+Valid, 3005 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 270 IncrementalHoareTripleChecker+Valid, 2553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-12-16 03:01:36,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [881 Valid, 3005 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [270 Valid, 2553 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-12-16 03:01:36,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163495 states. [2023-12-16 03:01:45,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163495 to 160491. [2023-12-16 03:01:45,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160491 states, 129290 states have (on average 1.5516281228246578) internal successors, (200610), 130994 states have internal predecessors, (200610), 28968 states have call successors, (28968), 2232 states have call predecessors, (28968), 2232 states have return successors, (28968), 27264 states have call predecessors, (28968), 28968 states have call successors, (28968) [2023-12-16 03:01:46,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160491 states to 160491 states and 258546 transitions. [2023-12-16 03:01:46,660 INFO L78 Accepts]: Start accepts. Automaton has 160491 states and 258546 transitions. Word has length 594 [2023-12-16 03:01:46,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-16 03:01:46,663 INFO L495 AbstractCegarLoop]: Abstraction has 160491 states and 258546 transitions. [2023-12-16 03:01:46,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 12.6875) internal successors, (203), 16 states have internal predecessors, (203), 5 states have call successors, (143), 4 states have call predecessors, (143), 8 states have return successors, (144), 5 states have call predecessors, (144), 5 states have call successors, (144) [2023-12-16 03:01:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 160491 states and 258546 transitions. [2023-12-16 03:01:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2023-12-16 03:01:46,761 INFO L187 NwaCegarLoop]: Found error trace [2023-12-16 03:01:46,761 INFO L195 NwaCegarLoop]: trace histogram [92, 92, 92, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:01:46,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-12-16 03:01:46,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:01:46,969 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-16 03:01:46,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-16 03:01:46,976 INFO L85 PathProgramCache]: Analyzing trace with hash -612272581, now seen corresponding path program 1 times [2023-12-16 03:01:46,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-16 03:01:46,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465553583] [2023-12-16 03:01:46,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:01:46,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-16 03:01:47,453 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-16 03:01:47,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1051935680] [2023-12-16 03:01:47,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-16 03:01:47,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-16 03:01:47,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-16 03:01:47,468 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-16 03:01:47,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-16 03:01:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-16 03:01:49,551 WARN L124 FreeRefinementEngine]: Strategy CAMEL was unsuccessful and could not determine trace feasibility [2023-12-16 03:01:49,551 INFO L360 BasicCegarLoop]: Counterexample might be feasible [2023-12-16 03:01:49,570 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-16 03:01:49,585 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-16 03:01:49,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-16 03:01:49,776 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-16 03:01:49,778 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-16 03:01:49,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 03:01:49 BoogieIcfgContainer [2023-12-16 03:01:49,864 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-16 03:01:49,864 INFO L158 Benchmark]: Toolchain (without parser) took 68192.17ms. Allocated memory was 255.9MB in the beginning and 6.8GB in the end (delta: 6.5GB). Free memory was 209.2MB in the beginning and 5.4GB in the end (delta: -5.2GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-16 03:01:49,865 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-16 03:01:49,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.96ms. Allocated memory is still 255.9MB. Free memory was 209.2MB in the beginning and 177.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. [2023-12-16 03:01:49,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 264.25ms. Allocated memory is still 255.9MB. Free memory was 177.7MB in the beginning and 163.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-12-16 03:01:49,866 INFO L158 Benchmark]: Boogie Preprocessor took 148.78ms. Allocated memory is still 255.9MB. Free memory was 163.1MB in the beginning and 144.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-12-16 03:01:49,866 INFO L158 Benchmark]: RCFGBuilder took 1294.23ms. Allocated memory is still 255.9MB. Free memory was 144.1MB in the beginning and 148.6MB in the end (delta: -4.5MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. [2023-12-16 03:01:49,867 INFO L158 Benchmark]: TraceAbstraction took 65837.32ms. Allocated memory was 255.9MB in the beginning and 6.8GB in the end (delta: 6.5GB). Free memory was 148.1MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-12-16 03:01:49,876 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 187.7MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 642.96ms. Allocated memory is still 255.9MB. Free memory was 209.2MB in the beginning and 177.7MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 264.25ms. Allocated memory is still 255.9MB. Free memory was 177.7MB in the beginning and 163.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 148.78ms. Allocated memory is still 255.9MB. Free memory was 163.1MB in the beginning and 144.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * RCFGBuilder took 1294.23ms. Allocated memory is still 255.9MB. Free memory was 144.1MB in the beginning and 148.6MB in the end (delta: -4.5MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. * TraceAbstraction took 65837.32ms. Allocated memory was 255.9MB in the beginning and 6.8GB in the end (delta: 6.5GB). Free memory was 148.1MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 1.2GB. 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: unable to decide satisfiability of path constraint, overapproximation of someBinaryFLOATComparisonOperation at line 684, overapproximation of someBinaryArithmeticDOUBLEoperation at line 534, overapproximation of someBinaryDOUBLEComparisonOperation at line 684, overapproximation of bitwise operation at line 445. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 5.25; [L23] signed long int var_1_3 = -25; [L24] signed long int var_1_4 = -128; [L25] double var_1_6 = 2.75; [L26] double var_1_7 = 24.5; [L27] double var_1_8 = 199.5; [L28] float var_1_9 = 32.8; [L29] unsigned char var_1_10 = 1; [L30] float var_1_11 = 15.4; [L31] float var_1_12 = 0.0; [L32] unsigned long int var_1_13 = 2; [L33] float var_1_16 = 127.6; [L34] signed long int var_1_17 = 128; [L35] unsigned char var_1_19 = 10; [L36] unsigned char var_1_20 = 0; [L37] unsigned char var_1_21 = 64; [L38] double var_1_22 = 15.95; [L39] unsigned long int var_1_23 = 4127848294; [L40] unsigned long int var_1_24 = 256; [L41] unsigned char var_1_25 = 1; [L42] unsigned long int var_1_26 = 64; [L43] unsigned char var_1_27 = 1; [L44] unsigned char var_1_28 = 0; [L45] unsigned char var_1_29 = 1; [L46] unsigned char var_1_30 = 0; [L47] unsigned char var_1_31 = 0; [L48] unsigned char var_1_32 = 0; [L49] signed long int var_1_33 = 100; [L50] signed long int var_1_34 = -64; [L51] unsigned char var_1_35 = 8; [L52] float var_1_36 = 100000000000000.5; [L53] float var_1_37 = 255.3; [L54] float var_1_38 = 3.4; [L55] unsigned char var_1_39 = 4; [L56] unsigned char var_1_40 = 32; [L57] unsigned char var_1_41 = 1; [L58] unsigned char var_1_42 = 2; [L59] double var_1_43 = 9.25; [L60] unsigned char var_1_44 = 2; [L61] double var_1_45 = 9.5; [L62] double var_1_46 = 15.4; [L63] double var_1_47 = 15.95; [L64] signed long int var_1_48 = 5; [L65] unsigned long int var_1_49 = 16; [L66] unsigned long int var_1_50 = 2590019718; [L67] float var_1_51 = 32.25; [L68] unsigned short int var_1_52 = 2; [L69] signed char var_1_53 = -8; [L70] unsigned short int var_1_54 = 40964; [L71] signed short int var_1_55 = 128; [L72] signed short int var_1_56 = 128; [L73] signed short int var_1_57 = -8; [L74] unsigned char var_1_58 = 1; [L75] unsigned short int var_1_59 = 4; [L76] unsigned short int var_1_60 = 64; [L77] signed short int var_1_61 = 25; [L78] signed long int var_1_62 = -16; [L79] unsigned short int var_1_63 = 32; [L80] signed long int var_1_64 = 1815123473; [L81] signed long int var_1_65 = 64; [L82] unsigned char var_1_66 = 0; [L83] signed short int var_1_67 = 25; [L84] signed long int var_1_68 = -10; [L85] unsigned short int var_1_69 = 64; [L86] float var_1_70 = 8.2; [L87] unsigned long int var_1_71 = 64; [L88] signed char var_1_72 = 16; [L89] signed char var_1_73 = 8; [L90] signed char var_1_74 = 5; [L91] signed char var_1_75 = -32; [L92] double var_1_76 = 99.1; [L93] double var_1_77 = 50.4; [L94] signed short int var_1_78 = 10; [L95] signed long int var_1_79 = -2; [L96] unsigned long int var_1_80 = 10; [L97] unsigned char var_1_81 = 0; [L98] float var_1_82 = 2.6; [L99] unsigned short int var_1_83 = 25; [L100] signed char var_1_84 = 25; [L101] signed char var_1_85 = 64; [L102] signed char var_1_86 = 5; [L103] signed char var_1_87 = 8; [L104] signed char var_1_88 = 5; [L105] signed char var_1_89 = 4; [L106] signed short int var_1_90 = 16; [L107] unsigned short int var_1_91 = 0; [L108] signed short int var_1_92 = 5; [L109] unsigned char var_1_93 = 1; [L110] unsigned char var_1_94 = 1; [L111] unsigned long int var_1_95 = 2604454560; [L112] unsigned long int var_1_96 = 2; [L113] signed char var_1_97 = 16; [L114] signed short int var_1_98 = 0; [L115] signed short int var_1_99 = 18598; [L116] signed long int var_1_100 = 8; [L117] unsigned short int var_1_101 = 128; [L118] unsigned short int var_1_102 = 100; [L119] signed char var_1_103 = -2; [L120] signed short int var_1_104 = 8; [L121] unsigned short int var_1_105 = 200; [L122] signed long int var_1_106 = -500; [L123] float var_1_107 = 49.75; [L124] signed short int var_1_108 = 128; [L125] float var_1_109 = 10.4; [L126] double var_1_110 = 24.2; [L127] unsigned short int var_1_111 = 16; [L128] unsigned long int var_1_112 = 256; [L129] signed char var_1_113 = 4; [L130] unsigned long int var_1_114 = 10; [L131] signed char var_1_115 = -128; [L132] double var_1_116 = 50.2; [L133] unsigned char var_1_117 = 32; [L134] signed char var_1_118 = 8; [L135] signed short int var_1_119 = 128; [L136] signed short int var_1_120 = 64; [L688] isInitial = 1 [L689] FCALL initially() [L690] COND TRUE 1 [L691] FCALL updateLastVariables() [L692] CALL updateVariables() [L538] var_1_3 = __VERIFIER_nondet_long() [L539] CALL assume_abort_if_not(var_1_3 >= -2147483648) [L20] COND FALSE !(!cond) [L539] RET assume_abort_if_not(var_1_3 >= -2147483648) [L540] CALL assume_abort_if_not(var_1_3 <= 2147483647) [L20] COND FALSE !(!cond) [L540] RET assume_abort_if_not(var_1_3 <= 2147483647) [L541] CALL assume_abort_if_not(var_1_3 != 0) [L20] COND FALSE !(!cond) [L541] RET assume_abort_if_not(var_1_3 != 0) [L542] var_1_4 = __VERIFIER_nondet_long() [L543] CALL assume_abort_if_not(var_1_4 >= -2147483648) [L20] COND FALSE !(!cond) [L543] RET assume_abort_if_not(var_1_4 >= -2147483648) [L544] CALL assume_abort_if_not(var_1_4 <= 2147483647) [L20] COND FALSE !(!cond) [L544] RET assume_abort_if_not(var_1_4 <= 2147483647) [L545] CALL assume_abort_if_not(var_1_4 != 0) [L20] COND FALSE !(!cond) [L545] RET assume_abort_if_not(var_1_4 != 0) [L546] var_1_6 = __VERIFIER_nondet_double() [L547] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L547] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) [L548] var_1_7 = __VERIFIER_nondet_double() [L549] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L549] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) [L550] var_1_8 = __VERIFIER_nondet_double() [L551] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L551] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) [L552] var_1_10 = __VERIFIER_nondet_uchar() [L553] CALL assume_abort_if_not(var_1_10 >= 0) [L20] COND FALSE !(!cond) [L553] RET assume_abort_if_not(var_1_10 >= 0) [L554] CALL assume_abort_if_not(var_1_10 <= 1) [L20] COND FALSE !(!cond) [L554] RET assume_abort_if_not(var_1_10 <= 1) [L555] var_1_11 = __VERIFIER_nondet_float() [L556] CALL assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L556] RET assume_abort_if_not((var_1_11 >= -230584.3009213691390e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 2305843.009213691390e+12F && var_1_11 >= 1.0e-20F )) [L557] var_1_12 = __VERIFIER_nondet_float() [L558] CALL assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L558] RET assume_abort_if_not((var_1_12 >= 4611686.018427382800e+12F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) [L559] var_1_20 = __VERIFIER_nondet_uchar() [L560] CALL assume_abort_if_not(var_1_20 >= 0) [L20] COND FALSE !(!cond) [L560] RET assume_abort_if_not(var_1_20 >= 0) [L561] CALL assume_abort_if_not(var_1_20 <= 1) [L20] COND FALSE !(!cond) [L561] RET assume_abort_if_not(var_1_20 <= 1) [L562] var_1_21 = __VERIFIER_nondet_uchar() [L563] CALL assume_abort_if_not(var_1_21 >= 0) [L20] COND FALSE !(!cond) [L563] RET assume_abort_if_not(var_1_21 >= 0) [L564] CALL assume_abort_if_not(var_1_21 <= 254) [L20] COND FALSE !(!cond) [L564] RET assume_abort_if_not(var_1_21 <= 254) [L565] var_1_23 = __VERIFIER_nondet_ulong() [L566] CALL assume_abort_if_not(var_1_23 >= 2147483647) [L20] COND FALSE !(!cond) [L566] RET assume_abort_if_not(var_1_23 >= 2147483647) [L567] CALL assume_abort_if_not(var_1_23 <= 4294967295) [L20] COND FALSE !(!cond) [L567] RET assume_abort_if_not(var_1_23 <= 4294967295) [L568] var_1_25 = __VERIFIER_nondet_uchar() [L569] CALL assume_abort_if_not(var_1_25 >= 0) [L20] COND FALSE !(!cond) [L569] RET assume_abort_if_not(var_1_25 >= 0) [L570] CALL assume_abort_if_not(var_1_25 <= 1) [L20] COND FALSE !(!cond) [L570] RET assume_abort_if_not(var_1_25 <= 1) [L571] var_1_26 = __VERIFIER_nondet_ulong() [L572] CALL assume_abort_if_not(var_1_26 >= 0) [L20] COND FALSE !(!cond) [L572] RET assume_abort_if_not(var_1_26 >= 0) [L573] CALL assume_abort_if_not(var_1_26 <= 4294967294) [L20] COND FALSE !(!cond) [L573] RET assume_abort_if_not(var_1_26 <= 4294967294) [L574] var_1_28 = __VERIFIER_nondet_uchar() [L575] CALL assume_abort_if_not(var_1_28 >= 0) [L20] COND FALSE !(!cond) [L575] RET assume_abort_if_not(var_1_28 >= 0) [L576] CALL assume_abort_if_not(var_1_28 <= 1) [L20] COND FALSE !(!cond) [L576] RET assume_abort_if_not(var_1_28 <= 1) [L577] var_1_29 = __VERIFIER_nondet_uchar() [L578] CALL assume_abort_if_not(var_1_29 >= 1) [L20] COND FALSE !(!cond) [L578] RET assume_abort_if_not(var_1_29 >= 1) [L579] CALL assume_abort_if_not(var_1_29 <= 1) [L20] COND FALSE !(!cond) [L579] RET assume_abort_if_not(var_1_29 <= 1) [L580] var_1_30 = __VERIFIER_nondet_uchar() [L581] CALL assume_abort_if_not(var_1_30 >= 0) [L20] COND FALSE !(!cond) [L581] RET assume_abort_if_not(var_1_30 >= 0) [L582] CALL assume_abort_if_not(var_1_30 <= 0) [L20] COND FALSE !(!cond) [L582] RET assume_abort_if_not(var_1_30 <= 0) [L583] var_1_31 = __VERIFIER_nondet_uchar() [L584] CALL assume_abort_if_not(var_1_31 >= 0) [L20] COND FALSE !(!cond) [L584] RET assume_abort_if_not(var_1_31 >= 0) [L585] CALL assume_abort_if_not(var_1_31 <= 0) [L20] COND FALSE !(!cond) [L585] RET assume_abort_if_not(var_1_31 <= 0) [L586] var_1_32 = __VERIFIER_nondet_uchar() [L587] CALL assume_abort_if_not(var_1_32 >= 0) [L20] COND FALSE !(!cond) [L587] RET assume_abort_if_not(var_1_32 >= 0) [L588] CALL assume_abort_if_not(var_1_32 <= 0) [L20] COND FALSE !(!cond) [L588] RET assume_abort_if_not(var_1_32 <= 0) [L589] var_1_34 = __VERIFIER_nondet_long() [L590] CALL assume_abort_if_not(var_1_34 >= -2147483646) [L20] COND FALSE !(!cond) [L590] RET assume_abort_if_not(var_1_34 >= -2147483646) [L591] CALL assume_abort_if_not(var_1_34 <= 2147483646) [L20] COND FALSE !(!cond) [L591] RET assume_abort_if_not(var_1_34 <= 2147483646) [L592] var_1_36 = __VERIFIER_nondet_float() [L593] CALL assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L593] RET assume_abort_if_not((var_1_36 >= -922337.2036854776000e+13F && var_1_36 <= -1.0e-20F) || (var_1_36 <= 9223372.036854776000e+12F && var_1_36 >= 1.0e-20F )) [L594] var_1_37 = __VERIFIER_nondet_float() [L595] CALL assume_abort_if_not((var_1_37 >= -922337.2036854776000e+13F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L595] RET assume_abort_if_not((var_1_37 >= -922337.2036854776000e+13F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) [L596] CALL assume_abort_if_not(var_1_37 != 0.0F) [L20] COND FALSE !(!cond) [L596] RET assume_abort_if_not(var_1_37 != 0.0F) [L597] var_1_38 = __VERIFIER_nondet_float() [L598] CALL assume_abort_if_not((var_1_38 >= -922337.2036854776000e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854776000e+12F && var_1_38 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L598] RET assume_abort_if_not((var_1_38 >= -922337.2036854776000e+13F && var_1_38 <= -1.0e-20F) || (var_1_38 <= 9223372.036854776000e+12F && var_1_38 >= 1.0e-20F )) [L599] var_1_39 = __VERIFIER_nondet_uchar() [L600] CALL assume_abort_if_not(var_1_39 >= 0) [L20] COND FALSE !(!cond) [L600] RET assume_abort_if_not(var_1_39 >= 0) [L601] CALL assume_abort_if_not(var_1_39 <= 254) [L20] COND FALSE !(!cond) [L601] RET assume_abort_if_not(var_1_39 <= 254) [L602] var_1_40 = __VERIFIER_nondet_uchar() [L603] CALL assume_abort_if_not(var_1_40 >= 0) [L20] COND FALSE !(!cond) [L603] RET assume_abort_if_not(var_1_40 >= 0) [L604] CALL assume_abort_if_not(var_1_40 <= 254) [L20] COND FALSE !(!cond) [L604] RET assume_abort_if_not(var_1_40 <= 254) [L605] var_1_41 = __VERIFIER_nondet_uchar() [L606] CALL assume_abort_if_not(var_1_41 >= 0) [L20] COND FALSE !(!cond) [L606] RET assume_abort_if_not(var_1_41 >= 0) [L607] CALL assume_abort_if_not(var_1_41 <= 254) [L20] COND FALSE !(!cond) [L607] RET assume_abort_if_not(var_1_41 <= 254) [L608] var_1_44 = __VERIFIER_nondet_uchar() [L609] CALL assume_abort_if_not(var_1_44 >= 0) [L20] COND FALSE !(!cond) [L609] RET assume_abort_if_not(var_1_44 >= 0) [L610] CALL assume_abort_if_not(var_1_44 <= 255) [L20] COND FALSE !(!cond) [L610] RET assume_abort_if_not(var_1_44 <= 255) [L611] var_1_45 = __VERIFIER_nondet_double() [L612] CALL assume_abort_if_not((var_1_45 >= 0.0F && var_1_45 <= -1.0e-20F) || (var_1_45 <= 9223372.036854765600e+12F && var_1_45 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L612] RET assume_abort_if_not((var_1_45 >= 0.0F && var_1_45 <= -1.0e-20F) || (var_1_45 <= 9223372.036854765600e+12F && var_1_45 >= 1.0e-20F )) [L613] var_1_46 = __VERIFIER_nondet_double() [L614] CALL assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 4611686.018427382800e+12F && var_1_46 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L614] RET assume_abort_if_not((var_1_46 >= 0.0F && var_1_46 <= -1.0e-20F) || (var_1_46 <= 4611686.018427382800e+12F && var_1_46 >= 1.0e-20F )) [L615] var_1_47 = __VERIFIER_nondet_double() [L616] CALL assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 4611686.018427382800e+12F && var_1_47 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L616] RET assume_abort_if_not((var_1_47 >= 0.0F && var_1_47 <= -1.0e-20F) || (var_1_47 <= 4611686.018427382800e+12F && var_1_47 >= 1.0e-20F )) [L617] var_1_50 = __VERIFIER_nondet_ulong() [L618] CALL assume_abort_if_not(var_1_50 >= 2147483647) [L20] COND FALSE !(!cond) [L618] RET assume_abort_if_not(var_1_50 >= 2147483647) [L619] CALL assume_abort_if_not(var_1_50 <= 4294967294) [L20] COND FALSE !(!cond) [L619] RET assume_abort_if_not(var_1_50 <= 4294967294) [L620] var_1_53 = __VERIFIER_nondet_char() [L621] CALL assume_abort_if_not(var_1_53 >= -127) [L20] COND FALSE !(!cond) [L621] RET assume_abort_if_not(var_1_53 >= -127) [L622] CALL assume_abort_if_not(var_1_53 <= 127) [L20] COND FALSE !(!cond) [L622] RET assume_abort_if_not(var_1_53 <= 127) [L623] var_1_54 = __VERIFIER_nondet_ushort() [L624] CALL assume_abort_if_not(var_1_54 >= 32767) [L20] COND FALSE !(!cond) [L624] RET assume_abort_if_not(var_1_54 >= 32767) [L625] CALL assume_abort_if_not(var_1_54 <= 65534) [L20] COND FALSE !(!cond) [L625] RET assume_abort_if_not(var_1_54 <= 65534) [L626] var_1_58 = __VERIFIER_nondet_uchar() [L627] CALL assume_abort_if_not(var_1_58 >= 0) [L20] COND FALSE !(!cond) [L627] RET assume_abort_if_not(var_1_58 >= 0) [L628] CALL assume_abort_if_not(var_1_58 <= 255) [L20] COND FALSE !(!cond) [L628] RET assume_abort_if_not(var_1_58 <= 255) [L629] CALL assume_abort_if_not(var_1_58 != 0) [L20] COND FALSE !(!cond) [L629] RET assume_abort_if_not(var_1_58 != 0) [L630] var_1_63 = __VERIFIER_nondet_ushort() [L631] CALL assume_abort_if_not(var_1_63 >= 1) [L20] COND FALSE !(!cond) [L631] RET assume_abort_if_not(var_1_63 >= 1) [L632] CALL assume_abort_if_not(var_1_63 <= 32768) [L20] COND FALSE !(!cond) [L632] RET assume_abort_if_not(var_1_63 <= 32768) [L633] var_1_64 = __VERIFIER_nondet_long() [L634] CALL assume_abort_if_not(var_1_64 >= 1073741822) [L20] COND FALSE !(!cond) [L634] RET assume_abort_if_not(var_1_64 >= 1073741822) [L635] CALL assume_abort_if_not(var_1_64 <= 2147483646) [L20] COND FALSE !(!cond) [L635] RET assume_abort_if_not(var_1_64 <= 2147483646) [L636] var_1_65 = __VERIFIER_nondet_long() [L637] CALL assume_abort_if_not(var_1_65 >= -1) [L20] COND FALSE !(!cond) [L637] RET assume_abort_if_not(var_1_65 >= -1) [L638] CALL assume_abort_if_not(var_1_65 <= 2147483646) [L20] COND FALSE !(!cond) [L638] RET assume_abort_if_not(var_1_65 <= 2147483646) [L639] var_1_69 = __VERIFIER_nondet_ushort() [L640] CALL assume_abort_if_not(var_1_69 >= 0) [L20] COND FALSE !(!cond) [L640] RET assume_abort_if_not(var_1_69 >= 0) [L641] CALL assume_abort_if_not(var_1_69 <= 65535) [L20] COND FALSE !(!cond) [L641] RET assume_abort_if_not(var_1_69 <= 65535) [L642] var_1_73 = __VERIFIER_nondet_char() [L643] CALL assume_abort_if_not(var_1_73 >= -63) [L20] COND FALSE !(!cond) [L643] RET assume_abort_if_not(var_1_73 >= -63) [L644] CALL assume_abort_if_not(var_1_73 <= 63) [L20] COND FALSE !(!cond) [L644] RET assume_abort_if_not(var_1_73 <= 63) [L645] var_1_74 = __VERIFIER_nondet_char() [L646] CALL assume_abort_if_not(var_1_74 >= -63) [L20] COND FALSE !(!cond) [L646] RET assume_abort_if_not(var_1_74 >= -63) [L647] CALL assume_abort_if_not(var_1_74 <= 63) [L20] COND FALSE !(!cond) [L647] RET assume_abort_if_not(var_1_74 <= 63) [L648] var_1_75 = __VERIFIER_nondet_char() [L649] CALL assume_abort_if_not(var_1_75 >= -63) [L20] COND FALSE !(!cond) [L649] RET assume_abort_if_not(var_1_75 >= -63) [L650] CALL assume_abort_if_not(var_1_75 <= 63) [L20] COND FALSE !(!cond) [L650] RET assume_abort_if_not(var_1_75 <= 63) [L651] var_1_77 = __VERIFIER_nondet_double() [L652] CALL assume_abort_if_not((var_1_77 >= -922337.2036854765600e+13F && var_1_77 <= -1.0e-20F) || (var_1_77 <= 9223372.036854765600e+12F && var_1_77 >= 1.0e-20F )) [L20] COND FALSE !(!cond) [L652] RET assume_abort_if_not((var_1_77 >= -922337.2036854765600e+13F && var_1_77 <= -1.0e-20F) || (var_1_77 <= 9223372.036854765600e+12F && var_1_77 >= 1.0e-20F )) [L653] var_1_85 = __VERIFIER_nondet_char() [L654] CALL assume_abort_if_not(var_1_85 >= 62) [L20] COND FALSE !(!cond) [L654] RET assume_abort_if_not(var_1_85 >= 62) [L655] CALL assume_abort_if_not(var_1_85 <= 126) [L20] COND FALSE !(!cond) [L655] RET assume_abort_if_not(var_1_85 <= 126) [L656] var_1_86 = __VERIFIER_nondet_char() [L657] CALL assume_abort_if_not(var_1_86 >= 0) [L20] COND FALSE !(!cond) [L657] RET assume_abort_if_not(var_1_86 >= 0) [L658] CALL assume_abort_if_not(var_1_86 <= 63) [L20] COND FALSE !(!cond) [L658] RET assume_abort_if_not(var_1_86 <= 63) [L659] var_1_87 = __VERIFIER_nondet_char() [L660] CALL assume_abort_if_not(var_1_87 >= 0) [L20] COND FALSE !(!cond) [L660] RET assume_abort_if_not(var_1_87 >= 0) [L661] CALL assume_abort_if_not(var_1_87 <= 126) [L20] COND FALSE !(!cond) [L661] RET assume_abort_if_not(var_1_87 <= 126) [L662] var_1_88 = __VERIFIER_nondet_char() [L663] CALL assume_abort_if_not(var_1_88 >= 0) [L20] COND FALSE !(!cond) [L663] RET assume_abort_if_not(var_1_88 >= 0) [L664] CALL assume_abort_if_not(var_1_88 <= 126) [L20] COND FALSE !(!cond) [L664] RET assume_abort_if_not(var_1_88 <= 126) [L665] var_1_93 = __VERIFIER_nondet_uchar() [L666] CALL assume_abort_if_not(var_1_93 >= 0) [L20] COND FALSE !(!cond) [L666] RET assume_abort_if_not(var_1_93 >= 0) [L667] CALL assume_abort_if_not(var_1_93 <= 1) [L20] COND FALSE !(!cond) [L667] RET assume_abort_if_not(var_1_93 <= 1) [L668] var_1_95 = __VERIFIER_nondet_ulong() [L669] CALL assume_abort_if_not(var_1_95 >= 2147483647) [L20] COND FALSE !(!cond) [L669] RET assume_abort_if_not(var_1_95 >= 2147483647) [L670] CALL assume_abort_if_not(var_1_95 <= 4294967295) [L20] COND FALSE !(!cond) [L670] RET assume_abort_if_not(var_1_95 <= 4294967295) [L671] var_1_99 = __VERIFIER_nondet_short() [L672] CALL assume_abort_if_not(var_1_99 >= 16383) [L20] COND FALSE !(!cond) [L672] RET assume_abort_if_not(var_1_99 >= 16383) [L673] CALL assume_abort_if_not(var_1_99 <= 32766) [L20] COND FALSE !(!cond) [L673] RET assume_abort_if_not(var_1_99 <= 32766) [L674] var_1_102 = __VERIFIER_nondet_ushort() [L675] CALL assume_abort_if_not(var_1_102 >= 0) [L20] COND FALSE !(!cond) [L675] RET assume_abort_if_not(var_1_102 >= 0) [L676] CALL assume_abort_if_not(var_1_102 <= 65535) [L20] COND FALSE !(!cond) [L676] RET assume_abort_if_not(var_1_102 <= 65535) [L677] var_1_120 = __VERIFIER_nondet_short() [L678] CALL assume_abort_if_not(var_1_120 >= -32767) [L20] COND FALSE !(!cond) [L678] RET assume_abort_if_not(var_1_120 >= -32767) [L679] CALL assume_abort_if_not(var_1_120 <= 32766) [L20] COND FALSE !(!cond) [L679] RET assume_abort_if_not(var_1_120 <= 32766) [L692] RET updateVariables() [L693] CALL step() [L140] COND TRUE \read(var_1_25) [L141] var_1_24 = ((((((((((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))) < (64u)) ? (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))) : (64u)))) > (32u)) ? (((((((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))) < (64u)) ? (((((var_1_26) < 0 ) ? -(var_1_26) : (var_1_26)))) : (64u)))) : (32u))) [L143] COND TRUE var_1_24 <= 32u [L144] COND FALSE !(var_1_24 < var_1_26) [L158] COND TRUE var_1_24 > var_1_26 [L159] var_1_33 = ((((var_1_34) < 0 ) ? -(var_1_34) : (var_1_34))) [L161] COND FALSE !((var_1_36 / var_1_37) == var_1_38) [L164] var_1_35 = ((((((((var_1_40) < (var_1_39)) ? (var_1_40) : (var_1_39)))) < (var_1_41)) ? (((((var_1_40) < (var_1_39)) ? (var_1_40) : (var_1_39)))) : (var_1_41))) [L166] COND TRUE \read(var_1_25) [L167] var_1_42 = var_1_40 [L173] COND FALSE !(var_1_39 > (var_1_44 * var_1_24)) [L178] COND FALSE !(\read(var_1_30)) [L183] COND TRUE var_1_44 > var_1_24 [L184] var_1_49 = ((((((((var_1_40) < ((var_1_50 - var_1_44))) ? (var_1_40) : ((var_1_50 - var_1_44))))) < (var_1_35)) ? (((((var_1_40) < ((var_1_50 - var_1_44))) ? (var_1_40) : ((var_1_50 - var_1_44))))) : (var_1_35))) [L196] COND TRUE \read(var_1_28) [L197] var_1_51 = (var_1_47 + var_1_46) [L199] COND FALSE !(\read(var_1_32)) [L202] COND TRUE ((((var_1_53) < 0 ) ? -(var_1_53) : (var_1_53))) > var_1_24 [L203] var_1_52 = (var_1_54 - (((((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) < 0 ) ? -((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44))) : ((((var_1_44) < 0 ) ? -(var_1_44) : (var_1_44)))))) [L208] COND FALSE !((var_1_26 >= 32u) && (100000u <= var_1_50)) [L211] COND FALSE !((- var_1_36) < ((((var_1_43) < 0 ) ? -(var_1_43) : (var_1_43)))) [L218] COND TRUE var_1_40 >= (16 % var_1_58) [L219] var_1_57 = (var_1_39 + ((((((((var_1_53) < 0 ) ? -(var_1_53) : (var_1_53)))) > (((((var_1_58) < 0 ) ? -(var_1_58) : (var_1_58))))) ? (((((var_1_53) < 0 ) ? -(var_1_53) : (var_1_53)))) : (((((var_1_58) < 0 ) ? -(var_1_58) : (var_1_58))))))) [L221] COND TRUE \read(var_1_29) [L222] var_1_59 = var_1_35 [L228] COND TRUE ((((var_1_35) > (var_1_53)) ? (var_1_35) : (var_1_53))) < (var_1_40 / var_1_58) [L229] var_1_60 = (((((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41))) < 0 ) ? -((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41))) : ((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41))))) [L237] COND FALSE !((- var_1_37) < var_1_46) [L242] COND FALSE !(var_1_39 <= (- var_1_59)) [L255] COND TRUE var_1_56 == (var_1_39 / var_1_58) [L256] var_1_62 = (var_1_65 - var_1_41) [L263] EXPR 1 >> var_1_60 [L263] COND TRUE (1 >> var_1_60) <= (64 * (~ var_1_49)) [L264] var_1_66 = (! var_1_29) [L266] COND FALSE !(var_1_45 < (0.25 * var_1_38)) [L271] var_1_67 = (((((((((var_1_40 + -64)) < (var_1_39)) ? ((var_1_40 + -64)) : (var_1_39)))) < ((((((var_1_53 + var_1_35)) > (var_1_58)) ? ((var_1_53 + var_1_35)) : (var_1_58))))) ? ((((((var_1_40 + -64)) < (var_1_39)) ? ((var_1_40 + -64)) : (var_1_39)))) : ((((((var_1_53 + var_1_35)) > (var_1_58)) ? ((var_1_53 + var_1_35)) : (var_1_58)))))) [L273] COND TRUE (var_1_69 * var_1_54) > (var_1_42 - ((((var_1_40) < 0 ) ? -(var_1_40) : (var_1_40)))) [L274] COND FALSE !(var_1_69 < var_1_44) [L293] var_1_68 = (var_1_55 + var_1_44) [L300] EXPR var_1_52 & var_1_44 [L300] COND TRUE var_1_50 <= (var_1_52 & var_1_44) [L301] var_1_70 = var_1_46 [L303] EXPR var_1_56 >> var_1_35 [L303] COND TRUE ((((var_1_64) < (var_1_33)) ? (var_1_64) : (var_1_33))) > (var_1_56 >> var_1_35) [L304] var_1_71 = var_1_40 [L306] COND FALSE !(var_1_41 > var_1_56) [L311] var_1_76 = ((((var_1_77) < (var_1_45)) ? (var_1_77) : (var_1_45))) [L312] COND FALSE !(var_1_68 < var_1_41) [L321] COND FALSE !((var_1_72 >= var_1_74) && var_1_32) [L324] EXPR (var_1_54 * var_1_52) >> var_1_71 [L324] COND FALSE !(((var_1_54 * var_1_52) >> var_1_71) < var_1_39) [L327] var_1_80 = (var_1_50 - ((((var_1_42) < (32u)) ? (var_1_42) : (32u)))) [L329] COND FALSE !((var_1_38 * var_1_70) <= 2.4f) [L338] var_1_81 = (var_1_32 && var_1_30) [L340] COND TRUE (var_1_40 * var_1_48) >= 64 [L341] COND FALSE !(\read(var_1_66)) [L344] var_1_82 = ((((((8.875f) < 0 ) ? -(8.875f) : (8.875f))) - var_1_47) + var_1_46) [L353] COND FALSE !(! var_1_25) [L362] var_1_83 = (((((((var_1_42) > (var_1_41)) ? (var_1_42) : (var_1_41))) < 0 ) ? -((((var_1_42) > (var_1_41)) ? (var_1_42) : (var_1_41))) : ((((var_1_42) > (var_1_41)) ? (var_1_42) : (var_1_41))))) [L364] COND TRUE \read(var_1_29) [L365] var_1_84 = ((var_1_85 - var_1_86) - ((((var_1_87) > (var_1_88)) ? (var_1_87) : (var_1_88)))) [L369] var_1_89 = var_1_87 [L370] COND TRUE (((((128.1f / var_1_37)) > (var_1_46)) ? ((128.1f / var_1_37)) : (var_1_46))) >= 5.8 [L371] var_1_90 = (var_1_75 + var_1_41) [L373] COND FALSE !(var_1_35 < var_1_79) [L380] EXPR var_1_61 ^ var_1_59 [L380] COND TRUE ! (var_1_90 <= (var_1_61 ^ var_1_59)) [L381] var_1_92 = var_1_86 [L393] COND TRUE (var_1_50 - ((((var_1_42) < 0 ) ? -(var_1_42) : (var_1_42)))) < ((var_1_95 - var_1_52) + var_1_64) [L394] var_1_94 = (var_1_93 && var_1_31) [L398] COND FALSE !((var_1_76 + var_1_82) < var_1_70) [L405] COND TRUE var_1_37 >= (((((4.8f - var_1_46)) > (((((var_1_36) < (63.6f)) ? (var_1_36) : (63.6f))))) ? ((4.8f - var_1_46)) : (((((var_1_36) < (63.6f)) ? (var_1_36) : (63.6f)))))) [L406] var_1_97 = var_1_85 [L412] COND FALSE !(var_1_24 > var_1_52) [L417] COND TRUE var_1_56 != var_1_60 [L418] var_1_98 = ((((var_1_88) > (var_1_84)) ? (var_1_88) : (var_1_84))) [L431] COND FALSE !(\read(var_1_30)) [L434] COND TRUE var_1_59 <= var_1_102 [L435] var_1_101 = ((((128) < ((var_1_54 - var_1_39))) ? (128) : ((var_1_54 - var_1_39)))) [L437] COND TRUE 2 <= var_1_69 [L438] var_1_103 = (((((((((var_1_87) < 0 ) ? -(var_1_87) : (var_1_87))) - ((((var_1_86) < 0 ) ? -(var_1_86) : (var_1_86))))) < (50)) ? ((((((var_1_87) < 0 ) ? -(var_1_87) : (var_1_87))) - ((((var_1_86) < 0 ) ? -(var_1_86) : (var_1_86))))) : (50))) [L440] COND TRUE var_1_36 >= ((((var_1_43) < 0 ) ? -(var_1_43) : (var_1_43))) [L441] var_1_104 = ((((-256) < 0 ) ? -(-256) : (-256))) [L445] COND TRUE (var_1_49 & var_1_35) > var_1_85 [L446] var_1_105 = (((((42475) > (var_1_54)) ? (42475) : (var_1_54))) - var_1_42) [L448] COND FALSE !(\read(var_1_32)) [L451] var_1_106 = var_1_69 [L453] COND FALSE !(\read(var_1_81)) [L456] var_1_107 = var_1_47 [L458] COND TRUE \read(var_1_27) [L459] var_1_108 = var_1_99 [L461] COND FALSE !(\read(var_1_66)) [L464] var_1_110 = var_1_47 [L465] COND FALSE !(\read(var_1_30)) [L468] COND FALSE !(\read(var_1_30)) [L471] COND FALSE !(\read(var_1_32)) [L474] var_1_113 = var_1_74 [L476] COND TRUE \read(var_1_27) [L477] var_1_114 = var_1_35 [L479] COND FALSE !(\read(var_1_31)) [L482] COND FALSE !(\read(var_1_31)) [L485] COND TRUE \read(var_1_25) [L486] var_1_117 = var_1_85 [L488] COND FALSE !(\read(var_1_66)) [L491] var_1_118 = var_1_86 [L493] COND FALSE !(var_1_75 < var_1_113) [L500] var_1_119 = var_1_99 [L502] COND TRUE var_1_12 <= (var_1_7 * 5.8f) [L503] var_1_16 = ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))) [L507] COND TRUE var_1_10 || var_1_20 [L508] var_1_19 = ((((var_1_21) > (32)) ? (var_1_21) : (32))) [L510] COND FALSE !(\read(var_1_10)) [L515] signed long int stepLocal_0 = (var_1_3 % var_1_4) * var_1_19; [L516] COND TRUE var_1_19 > stepLocal_0 [L517] var_1_1 = (var_1_6 - (var_1_7 + var_1_8)) [L521] COND TRUE ! var_1_10 [L522] var_1_13 = (50u + var_1_19) [L526] COND FALSE !(var_1_8 < (var_1_22 / var_1_12)) [L531] COND FALSE !(var_1_10 || (var_1_19 == var_1_13)) [L534] var_1_9 = ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))) [L693] RET step() [L694] CALL, EXPR property() [L684] EXPR (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) [L684-L685] return (((((((var_1_19 > ((var_1_3 % var_1_4) * var_1_19)) ? (var_1_1 == ((double) (var_1_6 - (var_1_7 + var_1_8)))) : (var_1_1 == ((double) (var_1_6 - (var_1_8 + var_1_7))))) && ((var_1_10 || (var_1_19 == var_1_13)) ? (var_1_9 == ((float) ((127.5f - ((((var_1_8) > (var_1_7)) ? (var_1_8) : (var_1_7)))) + (16.1f + var_1_11)))) : (var_1_9 == ((float) ((((((var_1_12 - var_1_7) - var_1_6)) < (var_1_11)) ? (((var_1_12 - var_1_7) - var_1_6)) : (var_1_11))))))) && ((! var_1_10) ? (var_1_13 == ((unsigned long int) (50u + var_1_19))) : (var_1_13 == ((unsigned long int) (var_1_19 + var_1_19))))) && ((var_1_12 <= (var_1_7 * 5.8f)) ? (var_1_16 == ((float) ((((((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) < (var_1_8)) ? (((((var_1_12) > (var_1_7)) ? (var_1_12) : (var_1_7)))) : (var_1_8))))) : (var_1_16 == ((float) var_1_6)))) && ((var_1_8 < (var_1_22 / var_1_12)) ? ((var_1_22 > var_1_6) ? (var_1_17 == ((signed long int) var_1_19)) : 1) : 1)) && ((var_1_10 || var_1_20) ? (var_1_19 == ((unsigned char) ((((var_1_21) > (32)) ? (var_1_21) : (32))))) : 1)) && (var_1_10 ? (((var_1_19 | var_1_19) != (var_1_23 - var_1_19)) ? (var_1_22 == ((double) 4.75)) : 1) : 1) ; [L694] RET, EXPR property() [L694] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) [L19] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 281 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65.7s, OverallIterations: 15, TraceHistogramMax: 92, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, AutomataDifference: 26.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11661 SdHoareTripleChecker+Valid, 7.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11558 mSDsluCounter, 22428 SdHoareTripleChecker+Invalid, 6.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15085 mSDsCounter, 1580 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5067 IncrementalHoareTripleChecker+Invalid, 6647 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1580 mSolverCounterUnsat, 7343 mSDtfsCounter, 5067 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10132 GetRequests, 10037 SyntacticMatches, 2 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160491occurred in iteration=14, InterpolantAutomatonStates: 111, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 18.9s AutomataMinimizationTime, 14 MinimizatonAttempts, 31154 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 5.3s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 9497 NumberOfCodeBlocks, 9497 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 10074 ConstructedInterpolants, 0 QuantifiedInterpolants, 23426 SizeOfPredicates, 30 NumberOfNonLiveVariables, 18850 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 283439/284648 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-16 03:01:49,914 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...