/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_fillercodesize_ps-cn-10_file-78.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-15 19:46:09,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-15 19:46:09,275 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 19:46:09,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-15 19:46:09,278 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-15 19:46:09,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-15 19:46:09,300 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-15 19:46:09,300 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-15 19:46:09,301 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-15 19:46:09,304 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-15 19:46:09,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-15 19:46:09,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-15 19:46:09,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-15 19:46:09,306 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-15 19:46:09,306 INFO L153 SettingsManager]: * Use SBE=true [2023-12-15 19:46:09,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-15 19:46:09,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-15 19:46:09,307 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-15 19:46:09,307 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-15 19:46:09,307 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-15 19:46:09,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-15 19:46:09,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-15 19:46:09,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-15 19:46:09,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-15 19:46:09,308 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-15 19:46:09,308 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-15 19:46:09,308 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-15 19:46:09,308 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-15 19:46:09,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-15 19:46:09,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-15 19:46:09,310 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-15 19:46:09,310 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-15 19:46:09,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:46:09,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-15 19:46:09,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-15 19:46:09,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-15 19:46:09,311 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-15 19:46:09,311 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-15 19:46:09,311 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-15 19:46:09,311 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-15 19:46:09,311 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-15 19:46:09,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-15 19:46:09,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-15 19:46:09,312 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-15 19:46:09,480 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-15 19:46:09,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-15 19:46:09,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-15 19:46:09,502 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-15 19:46:09,502 INFO L274 PluginConnector]: CDTParser initialized [2023-12-15 19:46:09,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-78.i [2023-12-15 19:46:10,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-15 19:46:10,707 INFO L384 CDTParser]: Found 1 translation units. [2023-12-15 19:46:10,708 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-78.i [2023-12-15 19:46:10,714 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58410eebd/60bd8fc8b5bb4cb08b030108c964ccd0/FLAG679373efe [2023-12-15 19:46:10,738 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58410eebd/60bd8fc8b5bb4cb08b030108c964ccd0 [2023-12-15 19:46:10,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-15 19:46:10,750 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-15 19:46:10,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-15 19:46:10,751 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-15 19:46:10,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-15 19:46:10,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:46:10" (1/1) ... [2023-12-15 19:46:10,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24baf20f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:10, skipping insertion in model container [2023-12-15 19:46:10,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 07:46:10" (1/1) ... [2023-12-15 19:46:10,795 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-15 19:46:10,914 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-78.i[915,928] [2023-12-15 19:46:10,960 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:46:10,969 INFO L202 MainTranslator]: Completed pre-run [2023-12-15 19:46:10,978 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-78.i[915,928] [2023-12-15 19:46:11,004 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-15 19:46:11,015 INFO L206 MainTranslator]: Completed translation [2023-12-15 19:46:11,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11 WrapperNode [2023-12-15 19:46:11,016 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-15 19:46:11,017 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-15 19:46:11,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-15 19:46:11,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-15 19:46:11,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,032 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,081 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 219 [2023-12-15 19:46:11,081 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-15 19:46:11,082 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-15 19:46:11,082 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-15 19:46:11,082 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-15 19:46:11,094 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,099 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,131 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 19:46:11,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,132 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,164 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,166 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,172 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-15 19:46:11,173 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-15 19:46:11,173 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-15 19:46:11,173 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-15 19:46:11,173 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (1/1) ... [2023-12-15 19:46:11,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-15 19:46:11,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:11,204 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 19:46:11,228 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 19:46:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-15 19:46:11,245 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-15 19:46:11,245 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-15 19:46:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-15 19:46:11,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-15 19:46:11,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-15 19:46:11,331 INFO L241 CfgBuilder]: Building ICFG [2023-12-15 19:46:11,334 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-15 19:46:11,791 INFO L282 CfgBuilder]: Performing block encoding [2023-12-15 19:46:11,838 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-15 19:46:11,838 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-15 19:46:11,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:46:11 BoogieIcfgContainer [2023-12-15 19:46:11,839 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-15 19:46:11,841 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-15 19:46:11,841 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-15 19:46:11,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-15 19:46:11,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 07:46:10" (1/3) ... [2023-12-15 19:46:11,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fc2b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:46:11, skipping insertion in model container [2023-12-15 19:46:11,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 07:46:11" (2/3) ... [2023-12-15 19:46:11,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45fc2b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 07:46:11, skipping insertion in model container [2023-12-15 19:46:11,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 07:46:11" (3/3) ... [2023-12-15 19:46:11,845 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-78.i [2023-12-15 19:46:11,861 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-15 19:46:11,862 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-15 19:46:11,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-15 19:46:11,941 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;@27ba4199, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-15 19:46:11,941 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-15 19:46:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 19:46:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-15 19:46:11,962 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:11,963 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:11,963 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:11,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:11,970 INFO L85 PathProgramCache]: Analyzing trace with hash -4966719, now seen corresponding path program 1 times [2023-12-15 19:46:11,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:11,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725743362] [2023-12-15 19:46:11,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:11,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:12,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:12,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725743362] [2023-12-15 19:46:12,206 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-15 19:46:12,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1657429404] [2023-12-15 19:46:12,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:12,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:12,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:12,226 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 19:46:12,264 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 19:46:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:12,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-15 19:46:12,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:12,435 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2023-12-15 19:46:12,436 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:12,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1657429404] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:12,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:12,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-15 19:46:12,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55170291] [2023-12-15 19:46:12,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:12,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-15 19:46:12,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:12,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-15 19:46:12,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-15 19:46:12,487 INFO L87 Difference]: Start difference. First operand has 73 states, 50 states have (on average 1.5) internal successors, (75), 51 states have internal predecessors, (75), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 19:46:12,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:12,511 INFO L93 Difference]: Finished difference Result 143 states and 248 transitions. [2023-12-15 19:46:12,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-15 19:46:12,513 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2023-12-15 19:46:12,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:12,518 INFO L225 Difference]: With dead ends: 143 [2023-12-15 19:46:12,518 INFO L226 Difference]: Without dead ends: 71 [2023-12-15 19:46:12,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 19:46:12,523 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:12,523 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:46:12,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-15 19:46:12,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-12-15 19:46:12,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.4285714285714286) internal successors, (70), 49 states have internal predecessors, (70), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 19:46:12,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 110 transitions. [2023-12-15 19:46:12,553 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 110 transitions. Word has length 133 [2023-12-15 19:46:12,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:12,553 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 110 transitions. [2023-12-15 19:46:12,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2023-12-15 19:46:12,553 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2023-12-15 19:46:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-15 19:46:12,556 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:12,556 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:12,563 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 19:46:12,761 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 19:46:12,761 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:12,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:12,762 INFO L85 PathProgramCache]: Analyzing trace with hash -879537139, now seen corresponding path program 1 times [2023-12-15 19:46:12,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:12,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221434216] [2023-12-15 19:46:12,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:12,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:12,807 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:12,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [997671747] [2023-12-15 19:46:12,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:12,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:12,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:12,826 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 19:46:12,874 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 19:46:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:12,940 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 19:46:12,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:13,016 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 19:46:13,016 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:13,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:13,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221434216] [2023-12-15 19:46:13,017 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:13,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997671747] [2023-12-15 19:46:13,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997671747] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:13,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:13,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 19:46:13,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572334299] [2023-12-15 19:46:13,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:13,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:46:13,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:13,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:46:13,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:46:13,019 INFO L87 Difference]: Start difference. First operand 71 states and 110 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:13,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:13,055 INFO L93 Difference]: Finished difference Result 141 states and 219 transitions. [2023-12-15 19:46:13,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 19:46:13,057 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2023-12-15 19:46:13,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:13,061 INFO L225 Difference]: With dead ends: 141 [2023-12-15 19:46:13,061 INFO L226 Difference]: Without dead ends: 71 [2023-12-15 19:46:13,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:46:13,065 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 17 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:13,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 288 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:46:13,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-12-15 19:46:13,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-12-15 19:46:13,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.4081632653061225) internal successors, (69), 49 states have internal predecessors, (69), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 19:46:13,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 109 transitions. [2023-12-15 19:46:13,072 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 109 transitions. Word has length 133 [2023-12-15 19:46:13,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:13,073 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 109 transitions. [2023-12-15 19:46:13,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:13,074 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-15 19:46:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-15 19:46:13,075 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:13,075 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:13,083 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 19:46:13,283 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 19:46:13,283 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:13,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:13,284 INFO L85 PathProgramCache]: Analyzing trace with hash -619326333, now seen corresponding path program 1 times [2023-12-15 19:46:13,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:13,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915801054] [2023-12-15 19:46:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:13,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:13,323 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:13,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [182038576] [2023-12-15 19:46:13,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:13,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:13,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:13,339 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 19:46:13,376 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 19:46:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:13,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 19:46:13,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 19:46:13,786 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:13,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:13,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915801054] [2023-12-15 19:46:13,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:13,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182038576] [2023-12-15 19:46:13,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182038576] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:13,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:13,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-15 19:46:13,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829682953] [2023-12-15 19:46:13,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:13,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 19:46:13,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:13,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 19:46:13,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:46:13,789 INFO L87 Difference]: Start difference. First operand 71 states and 109 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:13,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:13,910 INFO L93 Difference]: Finished difference Result 172 states and 265 transitions. [2023-12-15 19:46:13,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 19:46:13,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-12-15 19:46:13,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:13,911 INFO L225 Difference]: With dead ends: 172 [2023-12-15 19:46:13,911 INFO L226 Difference]: Without dead ends: 102 [2023-12-15 19:46:13,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:46:13,913 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 42 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:13,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 382 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:46:13,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-12-15 19:46:13,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 87. [2023-12-15 19:46:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.4461538461538461) internal successors, (94), 65 states have internal predecessors, (94), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 19:46:13,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 134 transitions. [2023-12-15 19:46:13,920 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 134 transitions. Word has length 134 [2023-12-15 19:46:13,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:13,921 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 134 transitions. [2023-12-15 19:46:13,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 134 transitions. [2023-12-15 19:46:13,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-15 19:46:13,922 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:13,922 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:13,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-15 19:46:14,127 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 19:46:14,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:14,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:14,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1681496257, now seen corresponding path program 1 times [2023-12-15 19:46:14,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:14,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186783606] [2023-12-15 19:46:14,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:14,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:14,148 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:14,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1762242153] [2023-12-15 19:46:14,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:14,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:14,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:14,149 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 19:46:14,175 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 19:46:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:14,241 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-15 19:46:14,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 19:46:14,342 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:14,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:14,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186783606] [2023-12-15 19:46:14,342 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:14,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1762242153] [2023-12-15 19:46:14,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1762242153] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:14,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:14,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 19:46:14,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744137748] [2023-12-15 19:46:14,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:14,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 19:46:14,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:14,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 19:46:14,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:46:14,345 INFO L87 Difference]: Start difference. First operand 87 states and 134 transitions. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:14,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:14,444 INFO L93 Difference]: Finished difference Result 189 states and 289 transitions. [2023-12-15 19:46:14,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-15 19:46:14,444 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 134 [2023-12-15 19:46:14,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:14,449 INFO L225 Difference]: With dead ends: 189 [2023-12-15 19:46:14,449 INFO L226 Difference]: Without dead ends: 103 [2023-12-15 19:46:14,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2023-12-15 19:46:14,452 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 84 mSDsluCounter, 374 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 480 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 19:46:14,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 480 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:46:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-12-15 19:46:14,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 79. [2023-12-15 19:46:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 57 states have internal predecessors, (80), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-12-15 19:46:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 120 transitions. [2023-12-15 19:46:14,457 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 120 transitions. Word has length 134 [2023-12-15 19:46:14,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:14,458 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 120 transitions. [2023-12-15 19:46:14,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2023-12-15 19:46:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-15 19:46:14,459 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:14,460 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:14,467 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 19:46:14,664 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 19:46:14,665 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:14,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:14,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1520860890, now seen corresponding path program 1 times [2023-12-15 19:46:14,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:14,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992886148] [2023-12-15 19:46:14,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:14,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:14,684 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:14,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1523443422] [2023-12-15 19:46:14,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:14,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:14,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:14,703 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 19:46:14,736 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 19:46:14,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:14,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-15 19:46:14,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:14,958 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 19:46:14,958 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:14,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:14,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992886148] [2023-12-15 19:46:14,958 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:14,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1523443422] [2023-12-15 19:46:14,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1523443422] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:14,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:14,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 19:46:14,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480626141] [2023-12-15 19:46:14,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:14,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-15 19:46:14,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:14,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-15 19:46:14,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:46:14,960 INFO L87 Difference]: Start difference. First operand 79 states and 120 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:15,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:15,154 INFO L93 Difference]: Finished difference Result 343 states and 521 transitions. [2023-12-15 19:46:15,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-15 19:46:15,155 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 136 [2023-12-15 19:46:15,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:15,156 INFO L225 Difference]: With dead ends: 343 [2023-12-15 19:46:15,156 INFO L226 Difference]: Without dead ends: 265 [2023-12-15 19:46:15,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-15 19:46:15,157 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 264 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 772 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:15,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 772 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:46:15,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2023-12-15 19:46:15,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 235. [2023-12-15 19:46:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 171 states have (on average 1.3859649122807018) internal successors, (237), 171 states have internal predecessors, (237), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2023-12-15 19:46:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 357 transitions. [2023-12-15 19:46:15,179 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 357 transitions. Word has length 136 [2023-12-15 19:46:15,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:15,180 INFO L495 AbstractCegarLoop]: Abstraction has 235 states and 357 transitions. [2023-12-15 19:46:15,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:15,180 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 357 transitions. [2023-12-15 19:46:15,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-15 19:46:15,181 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:15,181 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:15,186 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-15 19:46:15,387 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 19:46:15,387 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:15,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:15,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1628527104, now seen corresponding path program 1 times [2023-12-15 19:46:15,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:15,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161242786] [2023-12-15 19:46:15,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:15,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:15,407 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:15,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [757166533] [2023-12-15 19:46:15,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:15,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:15,408 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:15,409 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 19:46:15,449 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 19:46:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:15,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-15 19:46:15,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:15,645 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 19:46:15,646 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:15,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:15,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161242786] [2023-12-15 19:46:15,646 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:15,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757166533] [2023-12-15 19:46:15,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757166533] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:15,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:15,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:46:15,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131331320] [2023-12-15 19:46:15,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:15,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:46:15,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:15,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:46:15,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:46:15,648 INFO L87 Difference]: Start difference. First operand 235 states and 357 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:15,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:15,753 INFO L93 Difference]: Finished difference Result 616 states and 931 transitions. [2023-12-15 19:46:15,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 19:46:15,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2023-12-15 19:46:15,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:15,759 INFO L225 Difference]: With dead ends: 616 [2023-12-15 19:46:15,759 INFO L226 Difference]: Without dead ends: 428 [2023-12-15 19:46:15,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 135 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 19:46:15,761 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 109 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:15,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 309 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:46:15,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-12-15 19:46:15,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 402. [2023-12-15 19:46:15,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 296 states have (on average 1.3581081081081081) internal successors, (402), 296 states have internal predecessors, (402), 100 states have call successors, (100), 5 states have call predecessors, (100), 5 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-12-15 19:46:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 602 transitions. [2023-12-15 19:46:15,787 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 602 transitions. Word has length 138 [2023-12-15 19:46:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:15,788 INFO L495 AbstractCegarLoop]: Abstraction has 402 states and 602 transitions. [2023-12-15 19:46:15,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:15,788 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 602 transitions. [2023-12-15 19:46:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-15 19:46:15,789 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:15,789 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:15,796 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 19:46:15,996 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 19:46:15,997 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:15,997 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:15,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1176522572, now seen corresponding path program 1 times [2023-12-15 19:46:15,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:15,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223566486] [2023-12-15 19:46:15,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:15,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:16,031 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:16,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [888133391] [2023-12-15 19:46:16,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:16,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:16,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:16,036 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 19:46:16,037 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 19:46:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:16,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-15 19:46:16,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 19:46:16,158 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:16,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:16,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223566486] [2023-12-15 19:46:16,158 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:16,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888133391] [2023-12-15 19:46:16,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888133391] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:16,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:16,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:46:16,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068296106] [2023-12-15 19:46:16,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:16,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-15 19:46:16,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:16,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-15 19:46:16,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-15 19:46:16,160 INFO L87 Difference]: Start difference. First operand 402 states and 602 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:16,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:16,193 INFO L93 Difference]: Finished difference Result 893 states and 1329 transitions. [2023-12-15 19:46:16,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-15 19:46:16,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2023-12-15 19:46:16,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:16,195 INFO L225 Difference]: With dead ends: 893 [2023-12-15 19:46:16,195 INFO L226 Difference]: Without dead ends: 577 [2023-12-15 19:46:16,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 138 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 19:46:16,197 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 26 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:16,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 191 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:46:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2023-12-15 19:46:16,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 535. [2023-12-15 19:46:16,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 535 states, 429 states have (on average 1.372960372960373) internal successors, (589), 429 states have internal predecessors, (589), 100 states have call successors, (100), 5 states have call predecessors, (100), 5 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-12-15 19:46:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 789 transitions. [2023-12-15 19:46:16,216 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 789 transitions. Word has length 140 [2023-12-15 19:46:16,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:16,216 INFO L495 AbstractCegarLoop]: Abstraction has 535 states and 789 transitions. [2023-12-15 19:46:16,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 789 transitions. [2023-12-15 19:46:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-15 19:46:16,217 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:16,217 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:16,224 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 19:46:16,423 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 19:46:16,423 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:16,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:16,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1343437362, now seen corresponding path program 1 times [2023-12-15 19:46:16,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:16,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418916393] [2023-12-15 19:46:16,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:16,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:16,436 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:16,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [639854757] [2023-12-15 19:46:16,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:16,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:16,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:16,438 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 19:46:16,466 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 19:46:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:16,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-15 19:46:16,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 19:46:17,006 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:17,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:17,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418916393] [2023-12-15 19:46:17,006 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:17,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639854757] [2023-12-15 19:46:17,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639854757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:17,007 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:17,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-15 19:46:17,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733699613] [2023-12-15 19:46:17,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:17,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-15 19:46:17,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:17,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-15 19:46:17,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-15 19:46:17,008 INFO L87 Difference]: Start difference. First operand 535 states and 789 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:17,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:17,121 INFO L93 Difference]: Finished difference Result 995 states and 1471 transitions. [2023-12-15 19:46:17,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-15 19:46:17,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2023-12-15 19:46:17,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:17,123 INFO L225 Difference]: With dead ends: 995 [2023-12-15 19:46:17,123 INFO L226 Difference]: Without dead ends: 546 [2023-12-15 19:46:17,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 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 19:46:17,125 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 68 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:17,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 286 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:46:17,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 546 states. [2023-12-15 19:46:17,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 546 to 504. [2023-12-15 19:46:17,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 504 states, 398 states have (on average 1.3618090452261307) internal successors, (542), 398 states have internal predecessors, (542), 100 states have call successors, (100), 5 states have call predecessors, (100), 5 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-12-15 19:46:17,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 742 transitions. [2023-12-15 19:46:17,148 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 742 transitions. Word has length 140 [2023-12-15 19:46:17,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:17,148 INFO L495 AbstractCegarLoop]: Abstraction has 504 states and 742 transitions. [2023-12-15 19:46:17,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:17,148 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 742 transitions. [2023-12-15 19:46:17,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-15 19:46:17,149 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:17,149 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:17,168 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-15 19:46:17,368 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 19:46:17,368 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:17,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:17,369 INFO L85 PathProgramCache]: Analyzing trace with hash -753820746, now seen corresponding path program 1 times [2023-12-15 19:46:17,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:17,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730727912] [2023-12-15 19:46:17,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:17,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:17,383 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:17,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1367517172] [2023-12-15 19:46:17,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:17,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:17,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:17,384 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 19:46:17,433 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 19:46:17,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:17,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-15 19:46:17,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:17,545 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-12-15 19:46:17,546 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:17,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:17,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730727912] [2023-12-15 19:46:17,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:17,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367517172] [2023-12-15 19:46:17,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367517172] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:17,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:17,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-15 19:46:17,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570092097] [2023-12-15 19:46:17,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:17,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-15 19:46:17,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:17,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-15 19:46:17,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:46:17,547 INFO L87 Difference]: Start difference. First operand 504 states and 742 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:17,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:17,818 INFO L93 Difference]: Finished difference Result 1009 states and 1460 transitions. [2023-12-15 19:46:17,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-15 19:46:17,818 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2023-12-15 19:46:17,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:17,820 INFO L225 Difference]: With dead ends: 1009 [2023-12-15 19:46:17,820 INFO L226 Difference]: Without dead ends: 544 [2023-12-15 19:46:17,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2023-12-15 19:46:17,822 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 126 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 263 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 263 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:17,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 261 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 263 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-15 19:46:17,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2023-12-15 19:46:17,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 524. [2023-12-15 19:46:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 524 states, 413 states have (on average 1.3365617433414043) internal successors, (552), 413 states have internal predecessors, (552), 100 states have call successors, (100), 10 states have call predecessors, (100), 10 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-12-15 19:46:17,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 752 transitions. [2023-12-15 19:46:17,847 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 752 transitions. Word has length 140 [2023-12-15 19:46:17,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:17,847 INFO L495 AbstractCegarLoop]: Abstraction has 524 states and 752 transitions. [2023-12-15 19:46:17,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:17,847 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 752 transitions. [2023-12-15 19:46:17,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-15 19:46:17,848 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:17,848 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:17,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-12-15 19:46:18,054 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 19:46:18,054 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:18,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:18,055 INFO L85 PathProgramCache]: Analyzing trace with hash -691781132, now seen corresponding path program 1 times [2023-12-15 19:46:18,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:18,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751794217] [2023-12-15 19:46:18,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:18,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:18,072 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:18,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [398047912] [2023-12-15 19:46:18,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:18,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:18,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:18,074 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 19:46:18,105 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 19:46:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:18,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-15 19:46:18,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:18,324 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 19:46:18,325 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:18,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:18,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751794217] [2023-12-15 19:46:18,325 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:18,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398047912] [2023-12-15 19:46:18,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398047912] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:18,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:18,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 19:46:18,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157950584] [2023-12-15 19:46:18,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:18,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 19:46:18,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:18,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 19:46:18,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:46:18,327 INFO L87 Difference]: Start difference. First operand 524 states and 752 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:18,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:18,513 INFO L93 Difference]: Finished difference Result 1507 states and 2173 transitions. [2023-12-15 19:46:18,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-15 19:46:18,514 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2023-12-15 19:46:18,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:18,517 INFO L225 Difference]: With dead ends: 1507 [2023-12-15 19:46:18,517 INFO L226 Difference]: Without dead ends: 1065 [2023-12-15 19:46:18,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2023-12-15 19:46:18,518 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 105 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:18,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 304 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-15 19:46:18,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2023-12-15 19:46:18,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 1057. [2023-12-15 19:46:18,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1057 states, 845 states have (on average 1.3550295857988166) internal successors, (1145), 849 states have internal predecessors, (1145), 188 states have call successors, (188), 23 states have call predecessors, (188), 23 states have return successors, (188), 184 states have call predecessors, (188), 188 states have call successors, (188) [2023-12-15 19:46:18,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1521 transitions. [2023-12-15 19:46:18,557 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1521 transitions. Word has length 140 [2023-12-15 19:46:18,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:18,557 INFO L495 AbstractCegarLoop]: Abstraction has 1057 states and 1521 transitions. [2023-12-15 19:46:18,557 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:18,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1521 transitions. [2023-12-15 19:46:18,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-15 19:46:18,558 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:18,558 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:18,564 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 19:46:18,764 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 19:46:18,764 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:18,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:18,765 INFO L85 PathProgramCache]: Analyzing trace with hash -2099119824, now seen corresponding path program 1 times [2023-12-15 19:46:18,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:18,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218827486] [2023-12-15 19:46:18,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:18,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:18,776 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:18,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [203796421] [2023-12-15 19:46:18,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:18,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:18,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:18,792 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 19:46:18,805 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 19:46:18,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-15 19:46:18,909 INFO L262 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-15 19:46:18,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-15 19:46:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-12-15 19:46:19,013 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-15 19:46:19,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-15 19:46:19,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218827486] [2023-12-15 19:46:19,013 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-15 19:46:19,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203796421] [2023-12-15 19:46:19,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203796421] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-15 19:46:19,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-15 19:46:19,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-15 19:46:19,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376845229] [2023-12-15 19:46:19,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-15 19:46:19,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-15 19:46:19,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-15 19:46:19,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-15 19:46:19,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-15 19:46:19,015 INFO L87 Difference]: Start difference. First operand 1057 states and 1521 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:19,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-15 19:46:19,100 INFO L93 Difference]: Finished difference Result 1973 states and 2861 transitions. [2023-12-15 19:46:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-15 19:46:19,100 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2023-12-15 19:46:19,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-15 19:46:19,108 INFO L225 Difference]: With dead ends: 1973 [2023-12-15 19:46:19,108 INFO L226 Difference]: Without dead ends: 1463 [2023-12-15 19:46:19,111 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-15 19:46:19,111 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 47 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-15 19:46:19,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 412 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-15 19:46:19,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2023-12-15 19:46:19,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1040. [2023-12-15 19:46:19,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1040 states, 828 states have (on average 1.356280193236715) internal successors, (1123), 832 states have internal predecessors, (1123), 188 states have call successors, (188), 23 states have call predecessors, (188), 23 states have return successors, (188), 184 states have call predecessors, (188), 188 states have call successors, (188) [2023-12-15 19:46:19,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1040 states to 1040 states and 1499 transitions. [2023-12-15 19:46:19,167 INFO L78 Accepts]: Start accepts. Automaton has 1040 states and 1499 transitions. Word has length 140 [2023-12-15 19:46:19,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-15 19:46:19,167 INFO L495 AbstractCegarLoop]: Abstraction has 1040 states and 1499 transitions. [2023-12-15 19:46:19,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-12-15 19:46:19,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1040 states and 1499 transitions. [2023-12-15 19:46:19,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-15 19:46:19,169 INFO L187 NwaCegarLoop]: Found error trace [2023-12-15 19:46:19,170 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:19,175 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 19:46:19,375 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 19:46:19,375 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-15 19:46:19,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-15 19:46:19,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1609041458, now seen corresponding path program 1 times [2023-12-15 19:46:19,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-15 19:46:19,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979898951] [2023-12-15 19:46:19,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:19,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-15 19:46:19,388 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-15 19:46:19,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1949931081] [2023-12-15 19:46:19,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-15 19:46:19,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-15 19:46:19,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-15 19:46:19,406 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 19:46:19,429 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 19:46:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 19:46:19,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-15 19:46:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-15 19:46:19,743 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-12-15 19:46:19,743 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-15 19:46:19,744 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-15 19:46:19,752 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 19:46:19,950 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 19:46:19,953 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-15 19:46:19,956 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-15 19:46:20,030 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 07:46:20 BoogieIcfgContainer [2023-12-15 19:46:20,030 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-15 19:46:20,030 INFO L158 Benchmark]: Toolchain (without parser) took 9280.85ms. Allocated memory was 180.4MB in the beginning and 345.0MB in the end (delta: 164.6MB). Free memory was 130.5MB in the beginning and 192.5MB in the end (delta: -62.0MB). Peak memory consumption was 104.1MB. Max. memory is 8.0GB. [2023-12-15 19:46:20,030 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-15 19:46:20,031 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.18ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 114.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-12-15 19:46:20,031 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.80ms. Allocated memory is still 180.4MB. Free memory was 114.2MB in the beginning and 107.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-12-15 19:46:20,031 INFO L158 Benchmark]: Boogie Preprocessor took 90.36ms. Allocated memory is still 180.4MB. Free memory was 107.4MB in the beginning and 95.7MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-15 19:46:20,031 INFO L158 Benchmark]: RCFGBuilder took 665.81ms. Allocated memory was 180.4MB in the beginning and 271.6MB in the end (delta: 91.2MB). Free memory was 95.3MB in the beginning and 229.7MB in the end (delta: -134.4MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. [2023-12-15 19:46:20,031 INFO L158 Benchmark]: TraceAbstraction took 8189.39ms. Allocated memory was 271.6MB in the beginning and 345.0MB in the end (delta: 73.4MB). Free memory was 229.2MB in the beginning and 192.5MB in the end (delta: 36.7MB). Peak memory consumption was 111.1MB. Max. memory is 8.0GB. [2023-12-15 19:46:20,032 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 180.4MB. Free memory is still 131.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 265.18ms. Allocated memory is still 180.4MB. Free memory was 130.5MB in the beginning and 114.2MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.80ms. Allocated memory is still 180.4MB. Free memory was 114.2MB in the beginning and 107.4MB in the end (delta: 6.7MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Preprocessor took 90.36ms. Allocated memory is still 180.4MB. Free memory was 107.4MB in the beginning and 95.7MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * RCFGBuilder took 665.81ms. Allocated memory was 180.4MB in the beginning and 271.6MB in the end (delta: 91.2MB). Free memory was 95.3MB in the beginning and 229.7MB in the end (delta: -134.4MB). Peak memory consumption was 30.7MB. Max. memory is 8.0GB. * TraceAbstraction took 8189.39ms. Allocated memory was 271.6MB in the beginning and 345.0MB in the end (delta: 73.4MB). Free memory was 229.2MB in the beginning and 192.5MB in the end (delta: 36.7MB). Peak memory consumption was 111.1MB. 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 137, overapproximation of bitwiseOr at line 137, overapproximation of someBinaryArithmeticDOUBLEoperation at line 79. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -4; [L23] unsigned char var_1_3 = 64; [L24] unsigned char var_1_4 = 0; [L25] unsigned char var_1_5 = 2; [L26] unsigned short int var_1_6 = 10; [L27] double var_1_8 = 1.875; [L28] signed long int var_1_9 = -4; [L29] double var_1_10 = 63.5; [L30] double var_1_11 = 255.375; [L31] double var_1_12 = 999999999.525; [L32] double var_1_13 = 63.75; [L33] double var_1_14 = 0.625; [L34] unsigned short int var_1_15 = 5; [L35] signed char var_1_16 = 4; [L36] signed char var_1_17 = 0; [L37] signed char var_1_18 = -2; [L38] signed char var_1_19 = 1; [L39] unsigned short int var_1_20 = 50; [L40] unsigned short int var_1_21 = 0; [L41] unsigned char var_1_22 = 2; [L42] unsigned char var_1_23 = 32; [L43] unsigned short int var_1_24 = 8; [L44] signed short int var_1_25 = 8; [L45] unsigned short int var_1_26 = 10; [L46] signed short int var_1_27 = -4; [L47] double var_1_28 = 0.5; [L48] unsigned char last_1_var_1_3 = 64; [L49] unsigned short int last_1_var_1_6 = 10; [L50] unsigned short int last_1_var_1_15 = 5; [L51] unsigned short int last_1_var_1_20 = 50; [L52] unsigned short int last_1_var_1_21 = 0; [L141] isInitial = 1 [L142] FCALL initially() [L143] COND TRUE 1 [L144] CALL updateLastVariables() [L130] last_1_var_1_3 = var_1_3 [L131] last_1_var_1_6 = var_1_6 [L132] last_1_var_1_15 = var_1_15 [L133] last_1_var_1_20 = var_1_20 [L134] last_1_var_1_21 = var_1_21 [L144] RET updateLastVariables() [L145] CALL updateVariables() [L96] var_1_4 = __VERIFIER_nondet_uchar() [L97] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L97] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L98] CALL assume_abort_if_not(var_1_4 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L98] RET assume_abort_if_not(var_1_4 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=2, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L99] var_1_5 = __VERIFIER_nondet_uchar() [L100] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L100] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L101] CALL assume_abort_if_not(var_1_5 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L101] RET assume_abort_if_not(var_1_5 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=-4] [L102] var_1_9 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_9 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L103] RET assume_abort_if_not(var_1_9 >= -2147483648) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L104] CALL assume_abort_if_not(var_1_9 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L104] RET assume_abort_if_not(var_1_9 <= 2147483647) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L105] CALL assume_abort_if_not(var_1_9 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L105] RET assume_abort_if_not(var_1_9 != 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_10=127/2, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L106] var_1_10 = __VERIFIER_nondet_double() [L107] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L107] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_11=2043/8, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L108] var_1_11 = __VERIFIER_nondet_double() [L109] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L109] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_12=39999999981/40, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L110] var_1_12 = __VERIFIER_nondet_double() [L111] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L111] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_13=255/4, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L112] var_1_13 = __VERIFIER_nondet_double() [L113] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L113] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_14=5/8, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L114] var_1_14 = __VERIFIER_nondet_double() [L115] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L115] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 4611686.018427382800e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L116] var_1_17 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L117] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L118] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L118] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-2, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L119] var_1_18 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_18 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L120] RET assume_abort_if_not(var_1_18 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L121] CALL assume_abort_if_not(var_1_18 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L121] RET assume_abort_if_not(var_1_18 <= 32) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L122] var_1_19 = __VERIFIER_nondet_char() [L123] CALL assume_abort_if_not(var_1_19 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L123] RET assume_abort_if_not(var_1_19 >= -31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L124] CALL assume_abort_if_not(var_1_19 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L124] RET assume_abort_if_not(var_1_19 <= 31) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=32, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L125] var_1_23 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L126] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L127] CALL assume_abort_if_not(var_1_23 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=254, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=254, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L127] RET assume_abort_if_not(var_1_23 <= 254) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=2, var_1_23=254, var_1_24=8, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L145] RET updateVariables() [L146] CALL step() [L56] var_1_22 = var_1_23 [L57] var_1_24 = var_1_22 VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L58] COND FALSE !(var_1_23 > ((((var_1_22) < (var_1_24)) ? (var_1_22) : (var_1_24)))) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=10, var_1_27=-4, var_1_28=1/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L61] var_1_26 = var_1_23 [L62] var_1_27 = var_1_22 [L63] var_1_28 = 50.5 [L64] signed long int stepLocal_0 = last_1_var_1_21; VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L65] COND FALSE !(last_1_var_1_6 < stepLocal_0) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L68] EXPR last_1_var_1_20 ^ last_1_var_1_15 VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L68] signed long int stepLocal_2 = last_1_var_1_20 ^ last_1_var_1_15; [L69] unsigned char stepLocal_1 = var_1_5; VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, stepLocal_1=197, stepLocal_2=55, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L70] COND FALSE !(stepLocal_2 < -256) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, stepLocal_1=197, stepLocal_2=55, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L73] COND FALSE !(stepLocal_1 <= 50) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, stepLocal_1=197, stepLocal_2=55, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=50, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L77] var_1_20 = (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4))) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, stepLocal_1=197, stepLocal_2=55, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_8=15/8, var_1_9=66] [L78] COND TRUE var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9)))) [L79] var_1_8 = ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, stepLocal_1=197, stepLocal_2=55, var_1_15=5, var_1_16=4, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=-4, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] [L85] var_1_16 = (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19))))) [L86] var_1_1 = ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) [L87] unsigned short int stepLocal_3 = var_1_6; VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, stepLocal_1=197, stepLocal_2=55, stepLocal_3=10, var_1_15=5, var_1_16=0, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=0, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] [L88] EXPR (var_1_3 * var_1_17) & (var_1_1 * var_1_18) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, stepLocal_1=197, stepLocal_2=55, stepLocal_3=10, var_1_15=5, var_1_16=0, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=0, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] [L88] COND FALSE !(stepLocal_3 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) [L91] COND TRUE ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21 [L92] var_1_15 = ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, stepLocal_0=0, stepLocal_1=197, stepLocal_2=55, stepLocal_3=10, var_1_15=404, var_1_16=0, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=0, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] [L146] RET step() [L147] CALL, EXPR property() [L137] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=404, var_1_16=0, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=0, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] [L137] EXPR last_1_var_1_20 ^ last_1_var_1_15 VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=404, var_1_16=0, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=0, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] [L137] EXPR ((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1)) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=404, var_1_16=0, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=0, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] [L137] EXPR (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) VAL [isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=404, var_1_16=0, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=0, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] [L137-L138] return (((((((var_1_1 == ((signed long int) ((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))))) && ((last_1_var_1_6 < last_1_var_1_21) ? (var_1_3 == ((unsigned char) ((((var_1_4) > (var_1_5)) ? (var_1_4) : (var_1_5))))) : 1)) && (((last_1_var_1_20 ^ last_1_var_1_15) < -256) ? (var_1_6 == ((unsigned short int) (((((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) < 0 ) ? -((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))) : ((((((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) > ((last_1_var_1_20 + last_1_var_1_3))) ? (((((var_1_5) > (var_1_4)) ? (var_1_5) : (var_1_4)))) : ((last_1_var_1_20 + last_1_var_1_3)))))))) : ((var_1_5 <= 50) ? (var_1_6 == ((unsigned short int) last_1_var_1_20)) : 1))) && ((var_1_3 < (var_1_5 % ((((32) > (var_1_9)) ? (32) : (var_1_9))))) ? (var_1_8 == ((double) ((((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))) - var_1_12) + (var_1_13 - var_1_14)))) : ((var_1_13 <= (var_1_14 + var_1_11)) ? (var_1_8 == ((double) var_1_12)) : 1))) && ((((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) > var_1_21) ? (var_1_15 == ((unsigned short int) ((((var_1_3) > ((var_1_5 + var_1_4))) ? (var_1_3) : ((var_1_5 + var_1_4)))))) : 1)) && (var_1_16 == ((signed char) (var_1_17 + (var_1_18 + ((((var_1_19) < 0 ) ? -(var_1_19) : (var_1_19)))))))) && (var_1_20 == ((unsigned short int) (((((var_1_5 + var_1_6)) > (var_1_4)) ? ((var_1_5 + var_1_6)) : (var_1_4)))))) && ((var_1_6 == ((var_1_3 * var_1_17) & (var_1_1 * var_1_18))) ? (var_1_21 == ((unsigned short int) (var_1_4 + 128))) : 1) ; [L147] RET, EXPR property() [L147] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=404, var_1_16=0, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=0, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=5, last_1_var_1_20=50, last_1_var_1_21=0, last_1_var_1_3=64, last_1_var_1_6=10, var_1_15=404, var_1_16=0, var_1_17=0, var_1_18=-1, var_1_19=1, var_1_1=0, var_1_20=207, var_1_21=0, var_1_22=254, var_1_23=254, var_1_24=254, var_1_25=8, var_1_26=254, var_1_27=254, var_1_28=101/2, var_1_3=64, var_1_4=207, var_1_5=197, var_1_6=10, var_1_9=66] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 12, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 924 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 888 mSDsluCounter, 3792 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2551 mSDsCounter, 141 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 897 IncrementalHoareTripleChecker+Invalid, 1038 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 141 mSolverCounterUnsat, 1241 mSDtfsCounter, 897 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1520 GetRequests, 1468 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1057occurred in iteration=10, InterpolantAutomatonStates: 67, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 630 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1781 NumberOfCodeBlocks, 1781 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1497 ConstructedInterpolants, 0 QuantifiedInterpolants, 3878 SizeOfPredicates, 30 NumberOfNonLiveVariables, 3948 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 8360/8360 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 19:46:20,047 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...