/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 20:18:06,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 20:18:06,813 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-15 20:18:06,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 20:18:06,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 20:18:06,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 20:18:06,839 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 20:18:06,840 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 20:18:06,840 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 20:18:06,843 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 20:18:06,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 20:18:06,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 20:18:06,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 20:18:06,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 20:18:06,845 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 20:18:06,845 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 20:18:06,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 20:18:06,846 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 20:18:06,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 20:18:06,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 20:18:06,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 20:18:06,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 20:18:06,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 20:18:06,847 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 20:18:06,847 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 20:18:06,847 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 20:18:06,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 20:18:06,847 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 20:18:06,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 20:18:06,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 20:18:06,848 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 20:18:06,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 20:18:06,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:18:06,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 20:18:06,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 20:18:06,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 20:18:06,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 20:18:06,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 20:18:06,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 20:18:06,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 20:18:06,850 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 20:18:06,850 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 20:18:06,850 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 20:18:06,850 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 20:18:07,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 20:18:07,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 20:18:07,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 20:18:07,063 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 20:18:07,064 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 20:18:07,065 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i [2023-12-15 20:18:08,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 20:18:08,280 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 20:18:08,280 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i [2023-12-15 20:18:08,294 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4e29785/532629679dbd4468ae26a7a8cfa9451f/FLAGd40add0ad [2023-12-15 20:18:08,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4e29785/532629679dbd4468ae26a7a8cfa9451f [2023-12-15 20:18:08,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 20:18:08,680 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 20:18:08,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 20:18:08,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 20:18:08,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 20:18:08,684 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:08,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4718af1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08, skipping insertion in model container [2023-12-15 20:18:08,685 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:08,706 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 20:18:08,834 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_fillercodestructure_filler-pr-ci_file-3.i[918,931] [2023-12-15 20:18:08,898 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:18:08,912 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 20:18:08,920 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_fillercodestructure_filler-pr-ci_file-3.i[918,931] [2023-12-15 20:18:08,942 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 20:18:08,953 INFO L206 MainTranslator]: Completed translation [2023-12-15 20:18:08,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08 WrapperNode [2023-12-15 20:18:08,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 20:18:08,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 20:18:08,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 20:18:08,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 20:18:08,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:08,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,002 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 252 [2023-12-15 20:18:09,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 20:18:09,003 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 20:18:09,003 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 20:18:09,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 20:18:09,011 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,011 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,014 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,027 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]. [2023-12-15 20:18:09,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,036 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,039 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,042 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 20:18:09,049 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 20:18:09,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 20:18:09,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 20:18:09,050 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (1/1) ... [2023-12-15 20:18:09,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 20:18:09,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:09,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-15 20:18:09,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-15 20:18:09,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 20:18:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 20:18:09,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 20:18:09,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 20:18:09,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 20:18:09,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 20:18:09,157 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 20:18:09,159 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 20:18:09,555 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 20:18:09,592 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 20:18:09,593 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 20:18:09,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:18:09 BoogieIcfgContainer [2023-12-15 20:18:09,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 20:18:09,594 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 20:18:09,594 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 20:18:09,596 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 20:18:09,596 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 08:18:08" (1/3) ... [2023-12-15 20:18:09,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb2b001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:18:09, skipping insertion in model container [2023-12-15 20:18:09,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 08:18:08" (2/3) ... [2023-12-15 20:18:09,597 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb2b001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 08:18:09, skipping insertion in model container [2023-12-15 20:18:09,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 08:18:09" (3/3) ... [2023-12-15 20:18:09,598 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-3.i [2023-12-15 20:18:09,609 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 20:18:09,610 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 20:18:09,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 20:18:09,653 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;@5a5c9501, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 20:18:09,654 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 20:18:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 67 states have (on average 1.6567164179104477) internal successors, (111), 68 states have internal predecessors, (111), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-15 20:18:09,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-15 20:18:09,665 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:09,666 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:09,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:09,669 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:09,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1280540814, now seen corresponding path program 1 times [2023-12-15 20:18:09,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:09,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450160333] [2023-12-15 20:18:09,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:09,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:09,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:09,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:09,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450160333] [2023-12-15 20:18:09,854 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 20:18:09,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [763121621] [2023-12-15 20:18:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:09,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:09,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:09,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:09,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-15 20:18:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:10,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 20:18:10,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:10,060 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 968 trivial. 0 not checked. [2023-12-15 20:18:10,060 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:10,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [763121621] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:10,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:10,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 20:18:10,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404335240] [2023-12-15 20:18:10,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:10,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 20:18:10,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:10,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 20:18:10,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 20:18:10,098 INFO L87 Difference]: Start difference. First operand has 93 states, 67 states have (on average 1.6567164179104477) internal successors, (111), 68 states have internal predecessors, (111), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-15 20:18:10,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:10,147 INFO L93 Difference]: Finished difference Result 183 states and 335 transitions. [2023-12-15 20:18:10,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 20:18:10,149 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) Word has length 155 [2023-12-15 20:18:10,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:10,156 INFO L225 Difference]: With dead ends: 183 [2023-12-15 20:18:10,157 INFO L226 Difference]: Without dead ends: 91 [2023-12-15 20:18:10,160 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 20:18:10,163 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:10,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 147 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:18:10,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-12-15 20:18:10,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-12-15 20:18:10,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 66 states have (on average 1.5909090909090908) internal successors, (105), 66 states have internal predecessors, (105), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-12-15 20:18:10,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 151 transitions. [2023-12-15 20:18:10,212 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 151 transitions. Word has length 155 [2023-12-15 20:18:10,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:10,213 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 151 transitions. [2023-12-15 20:18:10,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 2 states have call successors, (23) [2023-12-15 20:18:10,213 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 151 transitions. [2023-12-15 20:18:10,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-15 20:18:10,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:10,220 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:10,228 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:10,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-15 20:18:10,426 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:10,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:10,427 INFO L85 PathProgramCache]: Analyzing trace with hash 923168240, now seen corresponding path program 1 times [2023-12-15 20:18:10,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:10,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887896793] [2023-12-15 20:18:10,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:10,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:10,489 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:10,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [475850539] [2023-12-15 20:18:10,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:10,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:10,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:10,517 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:10,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-15 20:18:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:10,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 20:18:10,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:10,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:10,945 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:10,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:10,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887896793] [2023-12-15 20:18:10,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:10,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475850539] [2023-12-15 20:18:10,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475850539] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:10,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:10,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:18:10,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553114887] [2023-12-15 20:18:10,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:10,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:18:10,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:10,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:18:10,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:18:10,950 INFO L87 Difference]: Start difference. First operand 91 states and 151 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:11,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:11,242 INFO L93 Difference]: Finished difference Result 265 states and 436 transitions. [2023-12-15 20:18:11,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 20:18:11,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 155 [2023-12-15 20:18:11,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:11,247 INFO L225 Difference]: With dead ends: 265 [2023-12-15 20:18:11,247 INFO L226 Difference]: Without dead ends: 175 [2023-12-15 20:18:11,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:18:11,251 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 163 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 188 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:11,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 365 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 188 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 20:18:11,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-12-15 20:18:11,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 158. [2023-12-15 20:18:11,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 130 states have (on average 1.6538461538461537) internal successors, (215), 131 states have internal predecessors, (215), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-15 20:18:11,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 265 transitions. [2023-12-15 20:18:11,278 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 265 transitions. Word has length 155 [2023-12-15 20:18:11,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:11,279 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 265 transitions. [2023-12-15 20:18:11,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:11,279 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 265 transitions. [2023-12-15 20:18:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-15 20:18:11,281 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:11,281 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:11,304 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:11,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-15 20:18:11,488 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:11,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:11,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1069539010, now seen corresponding path program 1 times [2023-12-15 20:18:11,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:11,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252735914] [2023-12-15 20:18:11,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:11,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:11,512 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:11,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1837257041] [2023-12-15 20:18:11,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:11,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:11,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:11,516 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:11,541 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-15 20:18:11,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:11,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 20:18:11,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:11,631 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:11,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:11,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252735914] [2023-12-15 20:18:11,632 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:11,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837257041] [2023-12-15 20:18:11,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837257041] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:11,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:11,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:18:11,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538128401] [2023-12-15 20:18:11,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:11,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 20:18:11,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:11,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 20:18:11,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:18:11,633 INFO L87 Difference]: Start difference. First operand 158 states and 265 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:11,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:11,665 INFO L93 Difference]: Finished difference Result 419 states and 709 transitions. [2023-12-15 20:18:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 20:18:11,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2023-12-15 20:18:11,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:11,668 INFO L225 Difference]: With dead ends: 419 [2023-12-15 20:18:11,668 INFO L226 Difference]: Without dead ends: 262 [2023-12-15 20:18:11,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:18:11,669 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 75 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:11,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 268 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:18:11,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2023-12-15 20:18:11,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 201. [2023-12-15 20:18:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 173 states have (on average 1.6647398843930636) internal successors, (288), 174 states have internal predecessors, (288), 25 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2023-12-15 20:18:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 338 transitions. [2023-12-15 20:18:11,688 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 338 transitions. Word has length 156 [2023-12-15 20:18:11,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:11,690 INFO L495 AbstractCegarLoop]: Abstraction has 201 states and 338 transitions. [2023-12-15 20:18:11,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:11,690 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 338 transitions. [2023-12-15 20:18:11,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-15 20:18:11,691 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:11,691 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:11,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-15 20:18:11,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:11,898 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:11,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:11,899 INFO L85 PathProgramCache]: Analyzing trace with hash -646837184, now seen corresponding path program 1 times [2023-12-15 20:18:11,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:11,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666149812] [2023-12-15 20:18:11,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:11,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:11,933 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:11,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1765870032] [2023-12-15 20:18:11,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:11,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:11,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:11,956 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:11,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-15 20:18:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:12,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-15 20:18:12,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:12,174 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:12,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:12,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666149812] [2023-12-15 20:18:12,174 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:12,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765870032] [2023-12-15 20:18:12,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765870032] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:12,175 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:12,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 20:18:12,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351518286] [2023-12-15 20:18:12,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:12,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 20:18:12,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:12,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 20:18:12,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:18:12,177 INFO L87 Difference]: Start difference. First operand 201 states and 338 transitions. Second operand has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:12,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:12,685 INFO L93 Difference]: Finished difference Result 1086 states and 1809 transitions. [2023-12-15 20:18:12,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-15 20:18:12,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2023-12-15 20:18:12,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:12,689 INFO L225 Difference]: With dead ends: 1086 [2023-12-15 20:18:12,689 INFO L226 Difference]: Without dead ends: 886 [2023-12-15 20:18:12,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-15 20:18:12,690 INFO L413 NwaCegarLoop]: 224 mSDtfsCounter, 505 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 390 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:12,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 653 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 390 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 20:18:12,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states. [2023-12-15 20:18:12,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 815. [2023-12-15 20:18:12,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 815 states, 703 states have (on average 1.608819345661451) internal successors, (1131), 712 states have internal predecessors, (1131), 99 states have call successors, (99), 12 states have call predecessors, (99), 12 states have return successors, (99), 90 states have call predecessors, (99), 99 states have call successors, (99) [2023-12-15 20:18:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1329 transitions. [2023-12-15 20:18:12,744 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1329 transitions. Word has length 156 [2023-12-15 20:18:12,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:12,745 INFO L495 AbstractCegarLoop]: Abstraction has 815 states and 1329 transitions. [2023-12-15 20:18:12,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.8) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:12,745 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1329 transitions. [2023-12-15 20:18:12,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-15 20:18:12,746 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:12,746 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:12,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:12,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:12,952 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:12,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:12,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1464485634, now seen corresponding path program 1 times [2023-12-15 20:18:12,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:12,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732404670] [2023-12-15 20:18:12,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:12,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:12,981 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:12,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1273286862] [2023-12-15 20:18:12,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:12,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:12,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:12,984 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:13,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-15 20:18:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:13,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 20:18:13,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:13,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 396 proven. 15 refuted. 0 times theorem prover too weak. 601 trivial. 0 not checked. [2023-12-15 20:18:13,171 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:18:13,301 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 51 proven. 15 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-15 20:18:13,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:13,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732404670] [2023-12-15 20:18:13,301 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:13,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273286862] [2023-12-15 20:18:13,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273286862] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:18:13,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:18:13,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2023-12-15 20:18:13,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229893780] [2023-12-15 20:18:13,302 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:18:13,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-15 20:18:13,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:13,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-15 20:18:13,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-15 20:18:13,303 INFO L87 Difference]: Start difference. First operand 815 states and 1329 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-12-15 20:18:13,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:13,689 INFO L93 Difference]: Finished difference Result 1968 states and 3187 transitions. [2023-12-15 20:18:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-15 20:18:13,695 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 156 [2023-12-15 20:18:13,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:13,700 INFO L225 Difference]: With dead ends: 1968 [2023-12-15 20:18:13,700 INFO L226 Difference]: Without dead ends: 1154 [2023-12-15 20:18:13,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 303 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=227, Unknown=0, NotChecked=0, Total=342 [2023-12-15 20:18:13,702 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 355 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:13,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 499 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 366 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 20:18:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2023-12-15 20:18:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1066. [2023-12-15 20:18:13,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 913 states have (on average 1.5870755750273822) internal successors, (1449), 925 states have internal predecessors, (1449), 132 states have call successors, (132), 20 states have call predecessors, (132), 20 states have return successors, (132), 120 states have call predecessors, (132), 132 states have call successors, (132) [2023-12-15 20:18:13,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1713 transitions. [2023-12-15 20:18:13,758 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1713 transitions. Word has length 156 [2023-12-15 20:18:13,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:13,758 INFO L495 AbstractCegarLoop]: Abstraction has 1066 states and 1713 transitions. [2023-12-15 20:18:13,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 3 states have call successors, (28), 2 states have call predecessors, (28), 4 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2023-12-15 20:18:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1713 transitions. [2023-12-15 20:18:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-12-15 20:18:13,760 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:13,760 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:13,768 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:13,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:13,966 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:13,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:13,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1664736189, now seen corresponding path program 1 times [2023-12-15 20:18:13,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:13,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103713227] [2023-12-15 20:18:13,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:13,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:14,001 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:14,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1454321087] [2023-12-15 20:18:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:14,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:14,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:14,003 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:14,019 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-12-15 20:18:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:14,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 20:18:14,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:14,248 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:14,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:14,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103713227] [2023-12-15 20:18:14,248 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:14,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454321087] [2023-12-15 20:18:14,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454321087] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:14,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:14,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 20:18:14,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647082977] [2023-12-15 20:18:14,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:14,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 20:18:14,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:14,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 20:18:14,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:18:14,250 INFO L87 Difference]: Start difference. First operand 1066 states and 1713 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:14,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:14,326 INFO L93 Difference]: Finished difference Result 2793 states and 4511 transitions. [2023-12-15 20:18:14,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 20:18:14,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 156 [2023-12-15 20:18:14,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:14,331 INFO L225 Difference]: With dead ends: 2793 [2023-12-15 20:18:14,331 INFO L226 Difference]: Without dead ends: 1694 [2023-12-15 20:18:14,333 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:18:14,333 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 65 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:14,333 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 296 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:18:14,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2023-12-15 20:18:14,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1634. [2023-12-15 20:18:14,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1405 states have (on average 1.5743772241992882) internal successors, (2212), 1423 states have internal predecessors, (2212), 198 states have call successors, (198), 30 states have call predecessors, (198), 30 states have return successors, (198), 180 states have call predecessors, (198), 198 states have call successors, (198) [2023-12-15 20:18:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2608 transitions. [2023-12-15 20:18:14,387 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2608 transitions. Word has length 156 [2023-12-15 20:18:14,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:14,387 INFO L495 AbstractCegarLoop]: Abstraction has 1634 states and 2608 transitions. [2023-12-15 20:18:14,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 2 states have internal predecessors, (44), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2608 transitions. [2023-12-15 20:18:14,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-15 20:18:14,389 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:14,389 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:14,397 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:14,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:14,595 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:14,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:14,595 INFO L85 PathProgramCache]: Analyzing trace with hash 2005832374, now seen corresponding path program 1 times [2023-12-15 20:18:14,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:14,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025052145] [2023-12-15 20:18:14,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:14,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:14,612 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:14,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1400167891] [2023-12-15 20:18:14,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:14,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:14,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:14,613 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:14,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-12-15 20:18:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:14,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-15 20:18:14,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:14,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:14,735 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:14,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:14,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025052145] [2023-12-15 20:18:14,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:14,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1400167891] [2023-12-15 20:18:14,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1400167891] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:14,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:14,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:18:14,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536676251] [2023-12-15 20:18:14,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:14,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 20:18:14,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:14,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 20:18:14,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:18:14,737 INFO L87 Difference]: Start difference. First operand 1634 states and 2608 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:14,803 INFO L93 Difference]: Finished difference Result 3764 states and 5972 transitions. [2023-12-15 20:18:14,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 20:18:14,804 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 157 [2023-12-15 20:18:14,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:14,810 INFO L225 Difference]: With dead ends: 3764 [2023-12-15 20:18:14,810 INFO L226 Difference]: Without dead ends: 2131 [2023-12-15 20:18:14,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 20:18:14,812 INFO L413 NwaCegarLoop]: 201 mSDtfsCounter, 68 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:14,812 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 330 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 20:18:14,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2131 states. [2023-12-15 20:18:14,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2131 to 1634. [2023-12-15 20:18:14,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1405 states have (on average 1.5345195729537366) internal successors, (2156), 1423 states have internal predecessors, (2156), 198 states have call successors, (198), 30 states have call predecessors, (198), 30 states have return successors, (198), 180 states have call predecessors, (198), 198 states have call successors, (198) [2023-12-15 20:18:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2552 transitions. [2023-12-15 20:18:14,884 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2552 transitions. Word has length 157 [2023-12-15 20:18:14,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:14,884 INFO L495 AbstractCegarLoop]: Abstraction has 1634 states and 2552 transitions. [2023-12-15 20:18:14,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2552 transitions. [2023-12-15 20:18:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-12-15 20:18:14,885 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:14,886 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:14,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:15,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:15,091 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:15,092 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:15,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1504545173, now seen corresponding path program 1 times [2023-12-15 20:18:15,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:15,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255246349] [2023-12-15 20:18:15,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:15,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:15,105 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:15,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1617197746] [2023-12-15 20:18:15,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:15,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:15,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:15,106 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:15,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-15 20:18:15,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:15,306 INFO L262 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-15 20:18:15,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:15,489 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:15,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:15,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255246349] [2023-12-15 20:18:15,489 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:15,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1617197746] [2023-12-15 20:18:15,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1617197746] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:15,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:15,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:18:15,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718929564] [2023-12-15 20:18:15,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:15,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:18:15,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:15,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:18:15,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:18:15,491 INFO L87 Difference]: Start difference. First operand 1634 states and 2552 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:15,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:15,651 INFO L93 Difference]: Finished difference Result 4920 states and 7694 transitions. [2023-12-15 20:18:15,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 20:18:15,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 157 [2023-12-15 20:18:15,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:15,662 INFO L225 Difference]: With dead ends: 4920 [2023-12-15 20:18:15,662 INFO L226 Difference]: Without dead ends: 3287 [2023-12-15 20:18:15,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:18:15,668 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 64 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:15,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 397 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:18:15,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3287 states. [2023-12-15 20:18:15,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3287 to 3262. [2023-12-15 20:18:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3262 states, 2805 states have (on average 1.5340463458110516) internal successors, (4303), 2841 states have internal predecessors, (4303), 396 states have call successors, (396), 60 states have call predecessors, (396), 60 states have return successors, (396), 360 states have call predecessors, (396), 396 states have call successors, (396) [2023-12-15 20:18:15,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 3262 states and 5095 transitions. [2023-12-15 20:18:15,851 INFO L78 Accepts]: Start accepts. Automaton has 3262 states and 5095 transitions. Word has length 157 [2023-12-15 20:18:15,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:15,852 INFO L495 AbstractCegarLoop]: Abstraction has 3262 states and 5095 transitions. [2023-12-15 20:18:15,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:15,852 INFO L276 IsEmpty]: Start isEmpty. Operand 3262 states and 5095 transitions. [2023-12-15 20:18:15,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-15 20:18:15,854 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:15,854 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:15,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-15 20:18:16,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-12-15 20:18:16,060 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:16,060 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:16,060 INFO L85 PathProgramCache]: Analyzing trace with hash 1144646881, now seen corresponding path program 1 times [2023-12-15 20:18:16,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:16,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167313488] [2023-12-15 20:18:16,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:16,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:16,083 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:16,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1041493155] [2023-12-15 20:18:16,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:16,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:16,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:16,091 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:16,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-12-15 20:18:16,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:16,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-15 20:18:16,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 590 proven. 78 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2023-12-15 20:18:16,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:18:16,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 42 proven. 24 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-15 20:18:16,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:16,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167313488] [2023-12-15 20:18:16,876 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:16,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1041493155] [2023-12-15 20:18:16,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1041493155] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:18:16,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:18:16,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 7] total 18 [2023-12-15 20:18:16,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069268821] [2023-12-15 20:18:16,876 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:18:16,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-12-15 20:18:16,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:16,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-12-15 20:18:16,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2023-12-15 20:18:16,878 INFO L87 Difference]: Start difference. First operand 3262 states and 5095 transitions. Second operand has 18 states, 18 states have (on average 4.944444444444445) internal successors, (89), 17 states have internal predecessors, (89), 5 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2023-12-15 20:18:18,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:18,821 INFO L93 Difference]: Finished difference Result 14152 states and 21586 transitions. [2023-12-15 20:18:18,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-12-15 20:18:18,821 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 4.944444444444445) internal successors, (89), 17 states have internal predecessors, (89), 5 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) Word has length 158 [2023-12-15 20:18:18,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:18,858 INFO L225 Difference]: With dead ends: 14152 [2023-12-15 20:18:18,859 INFO L226 Difference]: Without dead ends: 10417 [2023-12-15 20:18:18,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 304 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1800 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1248, Invalid=4154, Unknown=0, NotChecked=0, Total=5402 [2023-12-15 20:18:18,873 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 1683 mSDsluCounter, 699 mSDsCounter, 0 mSdLazyCounter, 1147 mSolverCounterSat, 395 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1695 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 395 IncrementalHoareTripleChecker+Valid, 1147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:18,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1695 Valid, 839 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [395 Valid, 1147 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-15 20:18:18,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10417 states. [2023-12-15 20:18:19,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10417 to 6881. [2023-12-15 20:18:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6881 states, 5896 states have (on average 1.4630257801899593) internal successors, (8626), 5968 states have internal predecessors, (8626), 792 states have call successors, (792), 192 states have call predecessors, (792), 192 states have return successors, (792), 720 states have call predecessors, (792), 792 states have call successors, (792) [2023-12-15 20:18:19,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6881 states to 6881 states and 10210 transitions. [2023-12-15 20:18:19,248 INFO L78 Accepts]: Start accepts. Automaton has 6881 states and 10210 transitions. Word has length 158 [2023-12-15 20:18:19,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:19,248 INFO L495 AbstractCegarLoop]: Abstraction has 6881 states and 10210 transitions. [2023-12-15 20:18:19,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.944444444444445) internal successors, (89), 17 states have internal predecessors, (89), 5 states have call successors, (34), 4 states have call predecessors, (34), 7 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2023-12-15 20:18:19,249 INFO L276 IsEmpty]: Start isEmpty. Operand 6881 states and 10210 transitions. [2023-12-15 20:18:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-15 20:18:19,252 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:19,252 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:19,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-12-15 20:18:19,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:19,453 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:19,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:19,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1858757065, now seen corresponding path program 1 times [2023-12-15 20:18:19,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:19,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925508979] [2023-12-15 20:18:19,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:19,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:19,467 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:19,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [195128741] [2023-12-15 20:18:19,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:19,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:19,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:19,484 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:19,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-12-15 20:18:19,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:19,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 20:18:19,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:19,721 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:19,721 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:19,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:19,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925508979] [2023-12-15 20:18:19,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:19,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195128741] [2023-12-15 20:18:19,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195128741] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:19,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:19,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 20:18:19,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856481630] [2023-12-15 20:18:19,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:19,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 20:18:19,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:19,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 20:18:19,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-15 20:18:19,723 INFO L87 Difference]: Start difference. First operand 6881 states and 10210 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:20,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:20,137 INFO L93 Difference]: Finished difference Result 16291 states and 24362 transitions. [2023-12-15 20:18:20,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 20:18:20,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 159 [2023-12-15 20:18:20,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:20,173 INFO L225 Difference]: With dead ends: 16291 [2023-12-15 20:18:20,173 INFO L226 Difference]: Without dead ends: 11249 [2023-12-15 20:18:20,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2023-12-15 20:18:20,182 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 172 mSDsluCounter, 507 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 672 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:20,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 672 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:18:20,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11249 states. [2023-12-15 20:18:20,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11249 to 8769. [2023-12-15 20:18:20,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8769 states, 7784 states have (on average 1.488951695786228) internal successors, (11590), 7856 states have internal predecessors, (11590), 792 states have call successors, (792), 192 states have call predecessors, (792), 192 states have return successors, (792), 720 states have call predecessors, (792), 792 states have call successors, (792) [2023-12-15 20:18:20,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8769 states to 8769 states and 13174 transitions. [2023-12-15 20:18:20,577 INFO L78 Accepts]: Start accepts. Automaton has 8769 states and 13174 transitions. Word has length 159 [2023-12-15 20:18:20,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:20,578 INFO L495 AbstractCegarLoop]: Abstraction has 8769 states and 13174 transitions. [2023-12-15 20:18:20,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 8769 states and 13174 transitions. [2023-12-15 20:18:20,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-15 20:18:20,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:20,581 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:20,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:20,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-12-15 20:18:20,787 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:20,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:20,788 INFO L85 PathProgramCache]: Analyzing trace with hash -653453432, now seen corresponding path program 1 times [2023-12-15 20:18:20,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:20,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402018896] [2023-12-15 20:18:20,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:20,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:20,814 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:20,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [915336390] [2023-12-15 20:18:20,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:20,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:20,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:20,821 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:20,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-12-15 20:18:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:20,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 20:18:20,974 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:21,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:21,002 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:21,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:21,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402018896] [2023-12-15 20:18:21,002 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:21,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915336390] [2023-12-15 20:18:21,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915336390] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:21,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:21,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 20:18:21,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948346802] [2023-12-15 20:18:21,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:21,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 20:18:21,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:21,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 20:18:21,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:18:21,003 INFO L87 Difference]: Start difference. First operand 8769 states and 13174 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:21,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:21,536 INFO L93 Difference]: Finished difference Result 17590 states and 26456 transitions. [2023-12-15 20:18:21,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 20:18:21,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 160 [2023-12-15 20:18:21,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:21,558 INFO L225 Difference]: With dead ends: 17590 [2023-12-15 20:18:21,559 INFO L226 Difference]: Without dead ends: 13205 [2023-12-15 20:18:21,564 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-12-15 20:18:21,564 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 153 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 640 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:21,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 640 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 20:18:21,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13205 states. [2023-12-15 20:18:21,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13205 to 10339. [2023-12-15 20:18:22,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10339 states, 9190 states have (on average 1.4907508161044614) internal successors, (13700), 9274 states have internal predecessors, (13700), 924 states have call successors, (924), 224 states have call predecessors, (924), 224 states have return successors, (924), 840 states have call predecessors, (924), 924 states have call successors, (924) [2023-12-15 20:18:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10339 states to 10339 states and 15548 transitions. [2023-12-15 20:18:22,025 INFO L78 Accepts]: Start accepts. Automaton has 10339 states and 15548 transitions. Word has length 160 [2023-12-15 20:18:22,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:22,026 INFO L495 AbstractCegarLoop]: Abstraction has 10339 states and 15548 transitions. [2023-12-15 20:18:22,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 10339 states and 15548 transitions. [2023-12-15 20:18:22,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-15 20:18:22,029 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:22,030 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:22,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:22,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-12-15 20:18:22,235 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:22,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:22,236 INFO L85 PathProgramCache]: Analyzing trace with hash -170507917, now seen corresponding path program 1 times [2023-12-15 20:18:22,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:22,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040028999] [2023-12-15 20:18:22,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:22,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:22,280 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:22,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1688555351] [2023-12-15 20:18:22,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:22,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:22,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:22,292 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:22,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-12-15 20:18:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:22,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-15 20:18:22,561 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:22,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:22,717 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:22,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:22,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040028999] [2023-12-15 20:18:22,717 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:22,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688555351] [2023-12-15 20:18:22,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688555351] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:22,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:22,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:18:22,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926735627] [2023-12-15 20:18:22,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:22,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:18:22,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:22,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:18:22,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:18:22,733 INFO L87 Difference]: Start difference. First operand 10339 states and 15548 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:23,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:23,121 INFO L93 Difference]: Finished difference Result 20847 states and 31354 transitions. [2023-12-15 20:18:23,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 20:18:23,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 160 [2023-12-15 20:18:23,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:23,139 INFO L225 Difference]: With dead ends: 20847 [2023-12-15 20:18:23,139 INFO L226 Difference]: Without dead ends: 10509 [2023-12-15 20:18:23,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:18:23,151 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 59 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:23,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 374 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:18:23,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10509 states. [2023-12-15 20:18:23,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10509 to 10351. [2023-12-15 20:18:23,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10351 states, 9202 states have (on average 1.4901108454683765) internal successors, (13712), 9286 states have internal predecessors, (13712), 924 states have call successors, (924), 224 states have call predecessors, (924), 224 states have return successors, (924), 840 states have call predecessors, (924), 924 states have call successors, (924) [2023-12-15 20:18:23,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10351 states to 10351 states and 15560 transitions. [2023-12-15 20:18:23,513 INFO L78 Accepts]: Start accepts. Automaton has 10351 states and 15560 transitions. Word has length 160 [2023-12-15 20:18:23,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:23,514 INFO L495 AbstractCegarLoop]: Abstraction has 10351 states and 15560 transitions. [2023-12-15 20:18:23,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand 10351 states and 15560 transitions. [2023-12-15 20:18:23,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-15 20:18:23,517 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:23,517 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:23,536 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:23,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-12-15 20:18:23,723 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:23,723 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:23,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1604499445, now seen corresponding path program 1 times [2023-12-15 20:18:23,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:23,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080317617] [2023-12-15 20:18:23,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:23,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:23,737 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:23,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [158856159] [2023-12-15 20:18:23,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:23,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:23,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:23,739 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:23,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-12-15 20:18:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:24,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-15 20:18:24,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:24,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:24,230 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:24,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:24,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080317617] [2023-12-15 20:18:24,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:24,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158856159] [2023-12-15 20:18:24,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158856159] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:24,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:24,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 20:18:24,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443535493] [2023-12-15 20:18:24,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:24,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:18:24,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:24,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:18:24,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:18:24,232 INFO L87 Difference]: Start difference. First operand 10351 states and 15560 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:24,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:24,525 INFO L93 Difference]: Finished difference Result 20781 states and 31198 transitions. [2023-12-15 20:18:24,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 20:18:24,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 160 [2023-12-15 20:18:24,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:24,546 INFO L225 Difference]: With dead ends: 20781 [2023-12-15 20:18:24,547 INFO L226 Difference]: Without dead ends: 10431 [2023-12-15 20:18:24,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:18:24,563 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 58 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:24,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 374 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 20:18:24,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10431 states. [2023-12-15 20:18:24,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10431 to 10261. [2023-12-15 20:18:24,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10261 states, 9112 states have (on average 1.4850746268656716) internal successors, (13532), 9196 states have internal predecessors, (13532), 924 states have call successors, (924), 224 states have call predecessors, (924), 224 states have return successors, (924), 840 states have call predecessors, (924), 924 states have call successors, (924) [2023-12-15 20:18:24,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10261 states to 10261 states and 15380 transitions. [2023-12-15 20:18:24,958 INFO L78 Accepts]: Start accepts. Automaton has 10261 states and 15380 transitions. Word has length 160 [2023-12-15 20:18:24,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:24,959 INFO L495 AbstractCegarLoop]: Abstraction has 10261 states and 15380 transitions. [2023-12-15 20:18:24,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 10261 states and 15380 transitions. [2023-12-15 20:18:24,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-15 20:18:24,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:24,962 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:24,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:25,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-12-15 20:18:25,168 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:25,168 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:25,168 INFO L85 PathProgramCache]: Analyzing trace with hash -650662378, now seen corresponding path program 1 times [2023-12-15 20:18:25,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:25,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797383164] [2023-12-15 20:18:25,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:25,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:25,195 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:25,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2137391789] [2023-12-15 20:18:25,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:25,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:25,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:25,197 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:25,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-12-15 20:18:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:25,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-15 20:18:25,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 503 proven. 33 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2023-12-15 20:18:26,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:18:27,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 93 proven. 36 refuted. 0 times theorem prover too weak. 883 trivial. 0 not checked. [2023-12-15 20:18:27,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:27,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797383164] [2023-12-15 20:18:27,227 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:27,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2137391789] [2023-12-15 20:18:27,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2137391789] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:18:27,227 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:18:27,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2023-12-15 20:18:27,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402797479] [2023-12-15 20:18:27,228 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:18:27,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-12-15 20:18:27,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:27,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-12-15 20:18:27,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2023-12-15 20:18:27,229 INFO L87 Difference]: Start difference. First operand 10261 states and 15380 transitions. Second operand has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 6 states have call successors, (46), 4 states have call predecessors, (46), 8 states have return successors, (46), 6 states have call predecessors, (46), 6 states have call successors, (46) [2023-12-15 20:18:31,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:31,620 INFO L93 Difference]: Finished difference Result 48196 states and 70455 transitions. [2023-12-15 20:18:31,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-15 20:18:31,621 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 6 states have call successors, (46), 4 states have call predecessors, (46), 8 states have return successors, (46), 6 states have call predecessors, (46), 6 states have call successors, (46) Word has length 160 [2023-12-15 20:18:31,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:31,715 INFO L225 Difference]: With dead ends: 48196 [2023-12-15 20:18:31,715 INFO L226 Difference]: Without dead ends: 37936 [2023-12-15 20:18:31,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 356 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=855, Invalid=1695, Unknown=0, NotChecked=0, Total=2550 [2023-12-15 20:18:31,735 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 1576 mSDsluCounter, 792 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 508 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1582 SdHoareTripleChecker+Valid, 920 SdHoareTripleChecker+Invalid, 1341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 508 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:31,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1582 Valid, 920 Invalid, 1341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [508 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 20:18:31,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37936 states. [2023-12-15 20:18:33,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37936 to 28162. [2023-12-15 20:18:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28162 states, 25169 states have (on average 1.477253764551631) internal successors, (37181), 25417 states have internal predecessors, (37181), 2308 states have call successors, (2308), 684 states have call predecessors, (2308), 684 states have return successors, (2308), 2060 states have call predecessors, (2308), 2308 states have call successors, (2308) [2023-12-15 20:18:33,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28162 states to 28162 states and 41797 transitions. [2023-12-15 20:18:33,400 INFO L78 Accepts]: Start accepts. Automaton has 28162 states and 41797 transitions. Word has length 160 [2023-12-15 20:18:33,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:33,401 INFO L495 AbstractCegarLoop]: Abstraction has 28162 states and 41797 transitions. [2023-12-15 20:18:33,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 4.954545454545454) internal successors, (109), 22 states have internal predecessors, (109), 6 states have call successors, (46), 4 states have call predecessors, (46), 8 states have return successors, (46), 6 states have call predecessors, (46), 6 states have call successors, (46) [2023-12-15 20:18:33,401 INFO L276 IsEmpty]: Start isEmpty. Operand 28162 states and 41797 transitions. [2023-12-15 20:18:33,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-15 20:18:33,405 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:33,405 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:33,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-12-15 20:18:33,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:33,610 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:33,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:33,611 INFO L85 PathProgramCache]: Analyzing trace with hash -707920680, now seen corresponding path program 1 times [2023-12-15 20:18:33,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:33,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912142225] [2023-12-15 20:18:33,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:33,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:33,624 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:33,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1242101585] [2023-12-15 20:18:33,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:33,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:33,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:33,641 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:33,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-12-15 20:18:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:33,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-15 20:18:33,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:33,974 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:33,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:33,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912142225] [2023-12-15 20:18:33,974 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:33,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1242101585] [2023-12-15 20:18:33,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1242101585] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:33,974 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:33,974 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 20:18:33,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638078030] [2023-12-15 20:18:33,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:33,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 20:18:33,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:33,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 20:18:33,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 20:18:33,975 INFO L87 Difference]: Start difference. First operand 28162 states and 41797 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:36,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:36,494 INFO L93 Difference]: Finished difference Result 64770 states and 94992 transitions. [2023-12-15 20:18:36,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 20:18:36,494 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 160 [2023-12-15 20:18:36,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:36,562 INFO L225 Difference]: With dead ends: 64770 [2023-12-15 20:18:36,562 INFO L226 Difference]: Without dead ends: 36609 [2023-12-15 20:18:36,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 20:18:36,587 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 165 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:36,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 366 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-15 20:18:36,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36609 states. [2023-12-15 20:18:38,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36609 to 28655. [2023-12-15 20:18:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28655 states, 25662 states have (on average 1.4739303249941549) internal successors, (37824), 25910 states have internal predecessors, (37824), 2308 states have call successors, (2308), 684 states have call predecessors, (2308), 684 states have return successors, (2308), 2060 states have call predecessors, (2308), 2308 states have call successors, (2308) [2023-12-15 20:18:38,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28655 states to 28655 states and 42440 transitions. [2023-12-15 20:18:38,480 INFO L78 Accepts]: Start accepts. Automaton has 28655 states and 42440 transitions. Word has length 160 [2023-12-15 20:18:38,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:38,480 INFO L495 AbstractCegarLoop]: Abstraction has 28655 states and 42440 transitions. [2023-12-15 20:18:38,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:38,480 INFO L276 IsEmpty]: Start isEmpty. Operand 28655 states and 42440 transitions. [2023-12-15 20:18:38,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-15 20:18:38,488 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:38,489 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:38,496 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:38,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-12-15 20:18:38,694 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:38,694 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:38,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1217393770, now seen corresponding path program 1 times [2023-12-15 20:18:38,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:38,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990507230] [2023-12-15 20:18:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:38,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:38,710 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:38,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [717099591] [2023-12-15 20:18:38,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:38,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:38,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:38,722 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:38,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-12-15 20:18:38,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:38,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-15 20:18:38,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 526 proven. 30 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2023-12-15 20:18:39,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-15 20:18:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 36 proven. 30 refuted. 0 times theorem prover too weak. 946 trivial. 0 not checked. [2023-12-15 20:18:40,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:40,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990507230] [2023-12-15 20:18:40,417 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:40,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [717099591] [2023-12-15 20:18:40,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [717099591] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-15 20:18:40,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-15 20:18:40,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9] total 15 [2023-12-15 20:18:40,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336781117] [2023-12-15 20:18:40,418 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-15 20:18:40,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-12-15 20:18:40,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:40,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-12-15 20:18:40,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2023-12-15 20:18:40,419 INFO L87 Difference]: Start difference. First operand 28655 states and 42440 transitions. Second operand has 15 states, 15 states have (on average 6.466666666666667) internal successors, (97), 15 states have internal predecessors, (97), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-12-15 20:18:44,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:44,984 INFO L93 Difference]: Finished difference Result 86153 states and 127740 transitions. [2023-12-15 20:18:44,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-12-15 20:18:44,985 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.466666666666667) internal successors, (97), 15 states have internal predecessors, (97), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) Word has length 160 [2023-12-15 20:18:44,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:45,099 INFO L225 Difference]: With dead ends: 86153 [2023-12-15 20:18:45,099 INFO L226 Difference]: Without dead ends: 57499 [2023-12-15 20:18:45,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 305 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=208, Invalid=548, Unknown=0, NotChecked=0, Total=756 [2023-12-15 20:18:45,122 INFO L413 NwaCegarLoop]: 162 mSDtfsCounter, 702 mSDsluCounter, 973 mSDsCounter, 0 mSdLazyCounter, 1354 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1135 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 1354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:45,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 1135 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 1354 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-15 20:18:45,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57499 states. [2023-12-15 20:18:47,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57499 to 36569. [2023-12-15 20:18:47,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36569 states, 32988 states have (on average 1.483054444040257) internal successors, (48923), 33312 states have internal predecessors, (48923), 2786 states have call successors, (2786), 794 states have call predecessors, (2786), 794 states have return successors, (2786), 2462 states have call predecessors, (2786), 2786 states have call successors, (2786) [2023-12-15 20:18:48,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36569 states to 36569 states and 54495 transitions. [2023-12-15 20:18:48,007 INFO L78 Accepts]: Start accepts. Automaton has 36569 states and 54495 transitions. Word has length 160 [2023-12-15 20:18:48,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:48,007 INFO L495 AbstractCegarLoop]: Abstraction has 36569 states and 54495 transitions. [2023-12-15 20:18:48,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.466666666666667) internal successors, (97), 15 states have internal predecessors, (97), 4 states have call successors, (46), 3 states have call predecessors, (46), 5 states have return successors, (46), 4 states have call predecessors, (46), 4 states have call successors, (46) [2023-12-15 20:18:48,007 INFO L276 IsEmpty]: Start isEmpty. Operand 36569 states and 54495 transitions. [2023-12-15 20:18:48,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-15 20:18:48,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:48,025 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:48,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:48,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-12-15 20:18:48,244 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:48,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:48,245 INFO L85 PathProgramCache]: Analyzing trace with hash -700497382, now seen corresponding path program 1 times [2023-12-15 20:18:48,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:48,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431260530] [2023-12-15 20:18:48,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:48,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:48,265 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:48,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1328993158] [2023-12-15 20:18:48,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:48,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:48,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:48,279 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:48,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-12-15 20:18:48,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 20:18:48,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-15 20:18:48,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 20:18:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-12-15 20:18:48,656 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 20:18:48,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 20:18:48,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431260530] [2023-12-15 20:18:48,656 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 20:18:48,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328993158] [2023-12-15 20:18:48,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328993158] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 20:18:48,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 20:18:48,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-15 20:18:48,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750755420] [2023-12-15 20:18:48,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 20:18:48,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-15 20:18:48,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 20:18:48,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-15 20:18:48,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-12-15 20:18:48,657 INFO L87 Difference]: Start difference. First operand 36569 states and 54495 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:51,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 20:18:51,844 INFO L93 Difference]: Finished difference Result 77397 states and 115083 transitions. [2023-12-15 20:18:51,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-15 20:18:51,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 161 [2023-12-15 20:18:51,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 20:18:51,910 INFO L225 Difference]: With dead ends: 77397 [2023-12-15 20:18:51,910 INFO L226 Difference]: Without dead ends: 48177 [2023-12-15 20:18:51,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=205, Unknown=0, NotChecked=0, Total=306 [2023-12-15 20:18:51,938 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 440 mSDsluCounter, 836 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 440 SdHoareTripleChecker+Valid, 1051 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-15 20:18:51,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [440 Valid, 1051 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-15 20:18:51,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48177 states. [2023-12-15 20:18:54,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48177 to 41609. [2023-12-15 20:18:54,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41609 states, 37356 states have (on average 1.4769247242745476) internal successors, (55172), 37740 states have internal predecessors, (55172), 3308 states have call successors, (3308), 944 states have call predecessors, (3308), 944 states have return successors, (3308), 2924 states have call predecessors, (3308), 3308 states have call successors, (3308) [2023-12-15 20:18:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41609 states to 41609 states and 61788 transitions. [2023-12-15 20:18:54,674 INFO L78 Accepts]: Start accepts. Automaton has 41609 states and 61788 transitions. Word has length 161 [2023-12-15 20:18:54,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 20:18:54,674 INFO L495 AbstractCegarLoop]: Abstraction has 41609 states and 61788 transitions. [2023-12-15 20:18:54,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-12-15 20:18:54,675 INFO L276 IsEmpty]: Start isEmpty. Operand 41609 states and 61788 transitions. [2023-12-15 20:18:54,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-12-15 20:18:54,677 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 20:18:54,677 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:54,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:54,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-12-15 20:18:54,882 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 20:18:54,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 20:18:54,882 INFO L85 PathProgramCache]: Analyzing trace with hash 2141962721, now seen corresponding path program 1 times [2023-12-15 20:18:54,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 20:18:54,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544613375] [2023-12-15 20:18:54,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:54,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 20:18:54,894 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 20:18:54,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [347410283] [2023-12-15 20:18:54,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 20:18:54,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 20:18:54,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 20:18:54,905 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-15 20:18:54,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-15 20:18:55,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 20:18:55,072 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 20:18:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 20:18:55,171 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 20:18:55,171 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 20:18:55,172 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 20:18:55,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-15 20:18:55,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-12-15 20:18:55,381 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 20:18:55,384 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 20:18:55,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 08:18:55 BoogieIcfgContainer [2023-12-15 20:18:55,484 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 20:18:55,485 INFO L158 Benchmark]: Toolchain (without parser) took 46804.22ms. Allocated memory was 274.7MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 230.5MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-15 20:18:55,485 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 227.5MB. Free memory is still 179.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 20:18:55,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 272.80ms. Allocated memory is still 274.7MB. Free memory was 230.2MB in the beginning and 214.8MB in the end (delta: 15.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2023-12-15 20:18:55,485 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.40ms. Allocated memory is still 274.7MB. Free memory was 214.8MB in the beginning and 210.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2023-12-15 20:18:55,485 INFO L158 Benchmark]: Boogie Preprocessor took 45.91ms. Allocated memory is still 274.7MB. Free memory was 210.0MB in the beginning and 203.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-15 20:18:55,486 INFO L158 Benchmark]: RCFGBuilder took 543.58ms. Allocated memory is still 274.7MB. Free memory was 203.7MB in the beginning and 224.9MB in the end (delta: -21.2MB). Peak memory consumption was 23.3MB. Max. memory is 8.0GB. [2023-12-15 20:18:55,486 INFO L158 Benchmark]: TraceAbstraction took 45889.68ms. Allocated memory was 274.7MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 224.3MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-12-15 20:18:55,490 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 227.5MB. Free memory is still 179.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 272.80ms. Allocated memory is still 274.7MB. Free memory was 230.2MB in the beginning and 214.8MB in the end (delta: 15.4MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.40ms. Allocated memory is still 274.7MB. Free memory was 214.8MB in the beginning and 210.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.91ms. Allocated memory is still 274.7MB. Free memory was 210.0MB in the beginning and 203.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * RCFGBuilder took 543.58ms. Allocated memory is still 274.7MB. Free memory was 203.7MB in the beginning and 224.9MB in the end (delta: -21.2MB). Peak memory consumption was 23.3MB. Max. memory is 8.0GB. * TraceAbstraction took 45889.68ms. Allocated memory was 274.7MB in the beginning and 5.3GB in the end (delta: 5.0GB). Free memory was 224.3MB in the beginning and 4.0GB in the end (delta: -3.8GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 175, overapproximation of bitwiseOr at line 116, overapproximation of bitwiseAnd at line 97. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -64; [L23] unsigned char var_1_3 = 1; [L24] signed char var_1_5 = -32; [L25] unsigned short int var_1_6 = 256; [L26] unsigned long int var_1_10 = 256; [L27] double var_1_12 = 8.2; [L28] signed char var_1_13 = 16; [L29] signed char var_1_14 = 10; [L30] double var_1_15 = 199.125; [L31] double var_1_16 = 9.4; [L32] double var_1_17 = 9999999999999.6; [L33] unsigned char var_1_20 = 32; [L34] unsigned char var_1_21 = 128; [L35] unsigned char var_1_22 = 64; [L36] unsigned long int var_1_23 = 64; [L37] unsigned long int var_1_24 = 5; [L38] signed short int var_1_28 = 256; [L39] signed long int var_1_30 = -4; [L40] double var_1_32 = 0.0; [L41] unsigned short int var_1_34 = 34858; [L42] unsigned short int var_1_35 = 41225; [L43] double var_1_37 = 63.63; [L44] signed char var_1_39 = 10; [L45] signed char var_1_40 = -25; [L46] signed char var_1_41 = 4; [L47] unsigned char var_1_42 = 50; [L48] unsigned long int last_1_var_1_10 = 256; [L49] unsigned char last_1_var_1_20 = 32; [L179] isInitial = 1 [L180] FCALL initially() [L181] COND TRUE 1 [L182] CALL updateLastVariables() [L171] last_1_var_1_10 = var_1_10 [L172] last_1_var_1_20 = var_1_20 [L182] RET updateLastVariables() [L183] CALL updateVariables() [L134] var_1_3 = __VERIFIER_nondet_uchar() [L135] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L135] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L136] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L136] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=-32, var_1_6=256] [L137] var_1_5 = __VERIFIER_nondet_char() [L138] CALL assume_abort_if_not(var_1_5 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L138] RET assume_abort_if_not(var_1_5 >= -127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L139] CALL assume_abort_if_not(var_1_5 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L139] RET assume_abort_if_not(var_1_5 <= 126) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=16, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L140] var_1_13 = __VERIFIER_nondet_char() [L141] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L141] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L142] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L142] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=10, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L143] var_1_14 = __VERIFIER_nondet_char() [L144] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L144] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L145] CALL assume_abort_if_not(var_1_14 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L145] RET assume_abort_if_not(var_1_14 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_15=1593/8, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L146] var_1_15 = __VERIFIER_nondet_double() [L147] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L147] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L148] CALL assume_abort_if_not(var_1_15 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L148] RET assume_abort_if_not(var_1_15 != 0.0F) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_16=47/5, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L149] var_1_16 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L150] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=128, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L151] var_1_21 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L152] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L153] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L153] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=64, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L154] var_1_22 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L155] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L156] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L156] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=34858, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L157] var_1_34 = __VERIFIER_nondet_ushort() [L158] CALL assume_abort_if_not(var_1_34 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L158] RET assume_abort_if_not(var_1_34 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L159] CALL assume_abort_if_not(var_1_34 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L159] RET assume_abort_if_not(var_1_34 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=41225, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L160] var_1_35 = __VERIFIER_nondet_ushort() [L161] CALL assume_abort_if_not(var_1_35 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L161] RET assume_abort_if_not(var_1_35 >= 32767) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L162] CALL assume_abort_if_not(var_1_35 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L162] RET assume_abort_if_not(var_1_35 <= 65535) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=-25, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L163] var_1_40 = __VERIFIER_nondet_char() [L164] CALL assume_abort_if_not(var_1_40 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L164] RET assume_abort_if_not(var_1_40 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L165] CALL assume_abort_if_not(var_1_40 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L165] RET assume_abort_if_not(var_1_40 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=4, var_1_42=50, var_1_5=16, var_1_6=256] [L166] var_1_41 = __VERIFIER_nondet_char() [L167] CALL assume_abort_if_not(var_1_41 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L167] RET assume_abort_if_not(var_1_41 >= -63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L168] CALL assume_abort_if_not(var_1_41 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L168] RET assume_abort_if_not(var_1_41 <= 63) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L183] RET updateVariables() [L184] CALL step() [L53] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L58] COND FALSE !(var_1_20 > var_1_21) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L71] signed long int stepLocal_2 = var_1_5 * var_1_13; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=2016, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=32, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L72] COND TRUE stepLocal_2 > last_1_var_1_10 [L73] var_1_20 = ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=2016, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=256, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L75] var_1_28 = var_1_5 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=2016, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=16, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L76] COND TRUE (((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=2016, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=16, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L77] COND FALSE !(\read(var_1_3)) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=2016, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=5, var_1_28=16, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L81] COND FALSE !(var_1_14 >= ((((var_1_20) > (var_1_6)) ? (var_1_20) : (var_1_6)))) [L84] var_1_24 = (((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14))) + ((((var_1_6) < 0 ) ? -(var_1_6) : (var_1_6)))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_2=2016, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L86] unsigned char stepLocal_1 = var_1_17 <= var_1_17; VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=41/5, var_1_13=126, var_1_14=0, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L87] COND FALSE !(stepLocal_1 || var_1_3) [L92] var_1_12 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L94] EXPR var_1_14 ^ var_1_21 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=-4, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L94] COND TRUE ((var_1_14 ^ var_1_21) % var_1_21) > -10 [L95] var_1_30 = ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L97] EXPR var_1_35 & var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L97] EXPR (var_1_35 & var_1_20) >> var_1_14 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=6363/100, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L97] COND TRUE var_1_14 >= ((var_1_35 & var_1_20) >> var_1_14) [L98] var_1_37 = ((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16))) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L100] COND FALSE !(99999.8f < var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L111] COND FALSE !((var_1_17 + var_1_12) <= var_1_17) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L116] EXPR var_1_6 ^ var_1_20 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L116] unsigned long int stepLocal_0 = (var_1_6 ^ var_1_20) + var_1_23; [L117] COND FALSE !(var_1_20 <= stepLocal_0) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_0=127, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L122] EXPR ((((var_1_5) > (-16)) ? (var_1_5) : (-16))) & 16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_0=127, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=0, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L122] COND FALSE !((~ var_1_23) <= (((((var_1_5) > (-16)) ? (var_1_5) : (-16))) & 16)) [L125] COND TRUE var_1_10 <= (((((var_1_34) < (var_1_35)) ? (var_1_34) : (var_1_35))) - ((((var_1_14) < 0 ) ? -(var_1_14) : (var_1_14)))) [L126] var_1_32 = var_1_16 VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, stepLocal_0=127, stepLocal_1=0, stepLocal_2=2016, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=2, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=10, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L131] var_1_39 = (var_1_40 + ((((var_1_41) < 0 ) ? -(var_1_41) : (var_1_41)))) [L184] RET step() [L185] CALL, EXPR property() [L175] EXPR (((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1) VAL [isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=2, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=126, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L175-L176] return (((((((99999.8f < var_1_17) ? ((! var_1_3) ? ((var_1_17 >= (var_1_17 / 2.5f)) ? (var_1_3 ? (var_1_1 == ((signed char) var_1_5)) : (var_1_1 == ((signed char) var_1_5))) : 1) : 1) : 1) && (var_1_3 ? (((last_1_var_1_10 + (var_1_5 + last_1_var_1_20)) >= last_1_var_1_20) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1) : 1)) && ((var_1_20 <= ((var_1_6 ^ var_1_20) + var_1_23)) ? ((var_1_12 == var_1_12) ? (var_1_10 == ((unsigned long int) 0u)) : 1) : 1)) && (((var_1_17 <= var_1_17) || var_1_3) ? (((var_1_17 / var_1_15) > 25.25) ? (var_1_12 == ((double) 128.5)) : 1) : (var_1_12 == ((double) var_1_16)))) && (((((((var_1_14 - var_1_20)) < (var_1_5)) ? ((var_1_14 - var_1_20)) : (var_1_5))) < var_1_20) ? (var_1_3 ? (var_1_17 == ((double) 128.1)) : 1) : 1)) && (((var_1_5 * var_1_13) > last_1_var_1_10) ? (var_1_20 == ((unsigned char) ((((((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) < 0 ) ? -(((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))) : (((((var_1_21 - var_1_14)) > ((var_1_22 + 8))) ? ((var_1_21 - var_1_14)) : ((var_1_22 + 8)))))))) : 1)) && (((var_1_17 + var_1_12) <= var_1_17) ? ((var_1_6 >= var_1_6) ? (var_1_23 == ((unsigned long int) var_1_20)) : 1) : 1) ; [L185] RET, EXPR property() [L185] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=2, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=126, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=256, last_1_var_1_20=32, var_1_10=256, var_1_12=2, var_1_13=126, var_1_14=0, var_1_16=2, var_1_17=49999999999998/5, var_1_1=-64, var_1_20=128, var_1_21=127, var_1_22=120, var_1_23=64, var_1_24=256, var_1_28=16, var_1_30=128, var_1_32=2, var_1_34=65535, var_1_35=65535, var_1_37=2, var_1_39=126, var_1_3=0, var_1_40=63, var_1_41=63, var_1_42=50, var_1_5=16, var_1_6=256] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 45.7s, OverallIterations: 18, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 20.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6371 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6303 mSDsluCounter, 9326 SdHoareTripleChecker+Invalid, 4.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6471 mSDsCounter, 1290 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5539 IncrementalHoareTripleChecker+Invalid, 6829 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1290 mSolverCounterUnsat, 2855 mSDtfsCounter, 5539 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3444 GetRequests, 3232 SyntacticMatches, 1 SemanticMatches, 211 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2865 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41609occurred in iteration=17, InterpolantAutomatonStates: 208, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 11.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 55255 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 3002 NumberOfCodeBlocks, 3002 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 3299 ConstructedInterpolants, 21 QuantifiedInterpolants, 15315 SizeOfPredicates, 56 NumberOfNonLiveVariables, 6531 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 21 InterpolantComputations, 13 PerfectInterpolantSequences, 20991/21252 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-15 20:18:55,546 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...