./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5a3a60dd79607bf0bca68238db6212890020658ef1f1435f68d731a8509f7ab --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 11:22:10,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 11:22:10,160 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 11:22:10,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 11:22:10,175 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 11:22:10,196 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 11:22:10,196 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 11:22:10,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 11:22:10,197 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 11:22:10,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 11:22:10,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 11:22:10,198 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 11:22:10,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 11:22:10,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 11:22:10,199 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 11:22:10,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 11:22:10,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 11:22:10,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 11:22:10,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 11:22:10,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 11:22:10,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 11:22:10,204 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 11:22:10,204 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 11:22:10,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 11:22:10,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 11:22:10,205 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 11:22:10,205 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 11:22:10,205 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 11:22:10,205 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 11:22:10,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:22:10,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 11:22:10,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 11:22:10,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 11:22:10,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 11:22:10,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 11:22:10,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 11:22:10,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 11:22:10,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 11:22:10,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 11:22:10,207 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5a3a60dd79607bf0bca68238db6212890020658ef1f1435f68d731a8509f7ab [2024-11-16 11:22:10,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 11:22:10,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 11:22:10,424 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 11:22:10,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 11:22:10,425 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 11:22:10,426 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c [2024-11-16 11:22:11,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 11:22:11,908 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 11:22:11,909 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c [2024-11-16 11:22:11,919 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd803c51/7b6617840e0c4c87b8ee0d95b7cd364f/FLAG1eb1705e8 [2024-11-16 11:22:12,268 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4cd803c51/7b6617840e0c4c87b8ee0d95b7cd364f [2024-11-16 11:22:12,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 11:22:12,272 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 11:22:12,272 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 11:22:12,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 11:22:12,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 11:22:12,277 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:12,278 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e97e4ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12, skipping insertion in model container [2024-11-16 11:22:12,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:12,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 11:22:12,471 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c[1244,1257] [2024-11-16 11:22:12,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:22:12,646 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 11:22:12,656 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c[1244,1257] [2024-11-16 11:22:12,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:22:12,815 INFO L204 MainTranslator]: Completed translation [2024-11-16 11:22:12,819 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12 WrapperNode [2024-11-16 11:22:12,819 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 11:22:12,820 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 11:22:12,820 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 11:22:12,820 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 11:22:12,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:12,862 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,001 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1761 [2024-11-16 11:22:13,002 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 11:22:13,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 11:22:13,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 11:22:13,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 11:22:13,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,041 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,093 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-16 11:22:13,094 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,095 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,134 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,160 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,174 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 11:22:13,199 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 11:22:13,199 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 11:22:13,199 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 11:22:13,200 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (1/1) ... [2024-11-16 11:22:13,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:22:13,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 11:22:13,237 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) [2024-11-16 11:22:13,245 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 [2024-11-16 11:22:13,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 11:22:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 11:22:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 11:22:13,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 11:22:13,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 11:22:13,481 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 11:22:13,483 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 11:22:15,015 INFO L? ?]: Removed 896 outVars from TransFormulas that were not future-live. [2024-11-16 11:22:15,016 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 11:22:15,096 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 11:22:15,096 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 11:22:15,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:22:15 BoogieIcfgContainer [2024-11-16 11:22:15,097 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 11:22:15,102 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 11:22:15,102 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 11:22:15,105 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 11:22:15,105 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:22:12" (1/3) ... [2024-11-16 11:22:15,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446ad026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:22:15, skipping insertion in model container [2024-11-16 11:22:15,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:12" (2/3) ... [2024-11-16 11:22:15,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@446ad026 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:22:15, skipping insertion in model container [2024-11-16 11:22:15,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:22:15" (3/3) ... [2024-11-16 11:22:15,107 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul9.c [2024-11-16 11:22:15,121 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 11:22:15,122 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 11:22:15,193 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 11:22:15,200 INFO L333 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, 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;@7fac04bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 11:22:15,201 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 11:22:15,206 INFO L276 IsEmpty]: Start isEmpty. Operand has 526 states, 524 states have (on average 1.5076335877862594) internal successors, (790), 525 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-16 11:22:15,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:15,218 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:15,219 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:15,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:15,225 INFO L85 PathProgramCache]: Analyzing trace with hash 968426048, now seen corresponding path program 1 times [2024-11-16 11:22:15,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:15,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072401097] [2024-11-16 11:22:15,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:15,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:15,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:15,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072401097] [2024-11-16 11:22:15,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072401097] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:15,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:15,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:22:15,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332330775] [2024-11-16 11:22:15,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:15,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:22:15,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:15,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:22:15,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:22:15,987 INFO L87 Difference]: Start difference. First operand has 526 states, 524 states have (on average 1.5076335877862594) internal successors, (790), 525 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:16,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:16,318 INFO L93 Difference]: Finished difference Result 931 states and 1403 transitions. [2024-11-16 11:22:16,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:22:16,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2024-11-16 11:22:16,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:16,334 INFO L225 Difference]: With dead ends: 931 [2024-11-16 11:22:16,334 INFO L226 Difference]: Without dead ends: 523 [2024-11-16 11:22:16,337 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:22:16,339 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 0 mSDsluCounter, 1309 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1966 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:16,340 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1966 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 11:22:16,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 523 states. [2024-11-16 11:22:16,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 523 to 523. [2024-11-16 11:22:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 523 states, 522 states have (on average 1.5057471264367817) internal successors, (786), 522 states have internal predecessors, (786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:16,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 786 transitions. [2024-11-16 11:22:16,383 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 786 transitions. Word has length 96 [2024-11-16 11:22:16,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:16,384 INFO L471 AbstractCegarLoop]: Abstraction has 523 states and 786 transitions. [2024-11-16 11:22:16,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.0) internal successors, (96), 4 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:16,384 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 786 transitions. [2024-11-16 11:22:16,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 11:22:16,387 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:16,387 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:16,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 11:22:16,387 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:16,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:16,388 INFO L85 PathProgramCache]: Analyzing trace with hash 101490379, now seen corresponding path program 1 times [2024-11-16 11:22:16,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:16,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14683259] [2024-11-16 11:22:16,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:16,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:16,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:16,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14683259] [2024-11-16 11:22:16,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14683259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:16,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:16,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:22:16,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1256772522] [2024-11-16 11:22:16,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:16,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:22:16,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:16,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:22:16,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:22:16,642 INFO L87 Difference]: Start difference. First operand 523 states and 786 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:16,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:16,860 INFO L93 Difference]: Finished difference Result 930 states and 1399 transitions. [2024-11-16 11:22:16,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:22:16,860 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2024-11-16 11:22:16,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:16,863 INFO L225 Difference]: With dead ends: 930 [2024-11-16 11:22:16,865 INFO L226 Difference]: Without dead ends: 525 [2024-11-16 11:22:16,866 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:22:16,868 INFO L432 NwaCegarLoop]: 657 mSDtfsCounter, 0 mSDsluCounter, 1306 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1963 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:16,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1963 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 11:22:16,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2024-11-16 11:22:16,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 525. [2024-11-16 11:22:16,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 524 states have (on average 1.5038167938931297) internal successors, (788), 524 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:16,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 788 transitions. [2024-11-16 11:22:16,883 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 788 transitions. Word has length 97 [2024-11-16 11:22:16,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:16,883 INFO L471 AbstractCegarLoop]: Abstraction has 525 states and 788 transitions. [2024-11-16 11:22:16,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:16,884 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 788 transitions. [2024-11-16 11:22:16,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-16 11:22:16,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:16,886 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:16,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 11:22:16,886 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:16,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:16,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1401521403, now seen corresponding path program 1 times [2024-11-16 11:22:16,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:16,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519940198] [2024-11-16 11:22:16,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:16,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:16,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:17,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:17,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519940198] [2024-11-16 11:22:17,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519940198] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:17,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:17,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 11:22:17,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520260822] [2024-11-16 11:22:17,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:17,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 11:22:17,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:17,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 11:22:17,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 11:22:17,208 INFO L87 Difference]: Start difference. First operand 525 states and 788 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:17,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:17,488 INFO L93 Difference]: Finished difference Result 936 states and 1406 transitions. [2024-11-16 11:22:17,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:22:17,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-16 11:22:17,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:17,491 INFO L225 Difference]: With dead ends: 936 [2024-11-16 11:22:17,491 INFO L226 Difference]: Without dead ends: 529 [2024-11-16 11:22:17,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:22:17,495 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 701 mSDsluCounter, 1293 mSDsCounter, 0 mSdLazyCounter, 408 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 1943 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 408 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:17,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 1943 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 408 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-16 11:22:17,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2024-11-16 11:22:17,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 528. [2024-11-16 11:22:17,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.5009487666034156) internal successors, (791), 527 states have internal predecessors, (791), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:17,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 791 transitions. [2024-11-16 11:22:17,508 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 791 transitions. Word has length 98 [2024-11-16 11:22:17,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:17,508 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 791 transitions. [2024-11-16 11:22:17,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 5 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 791 transitions. [2024-11-16 11:22:17,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-16 11:22:17,511 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:17,511 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:17,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 11:22:17,511 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:17,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:17,512 INFO L85 PathProgramCache]: Analyzing trace with hash -274462749, now seen corresponding path program 1 times [2024-11-16 11:22:17,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:17,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386091252] [2024-11-16 11:22:17,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:17,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:18,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:18,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386091252] [2024-11-16 11:22:18,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386091252] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:18,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:18,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-16 11:22:18,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318811990] [2024-11-16 11:22:18,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:18,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 11:22:18,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:18,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 11:22:18,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-16 11:22:18,288 INFO L87 Difference]: Start difference. First operand 528 states and 791 transitions. Second operand has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:18,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:18,641 INFO L93 Difference]: Finished difference Result 961 states and 1439 transitions. [2024-11-16 11:22:18,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 11:22:18,641 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 99 [2024-11-16 11:22:18,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:18,643 INFO L225 Difference]: With dead ends: 961 [2024-11-16 11:22:18,643 INFO L226 Difference]: Without dead ends: 551 [2024-11-16 11:22:18,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-16 11:22:18,647 INFO L432 NwaCegarLoop]: 652 mSDtfsCounter, 24 mSDsluCounter, 2608 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 3260 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:18,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 3260 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 11:22:18,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-16 11:22:18,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 536. [2024-11-16 11:22:18,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 536 states, 535 states have (on average 1.4990654205607477) internal successors, (802), 535 states have internal predecessors, (802), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:18,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 802 transitions. [2024-11-16 11:22:18,658 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 802 transitions. Word has length 99 [2024-11-16 11:22:18,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:18,658 INFO L471 AbstractCegarLoop]: Abstraction has 536 states and 802 transitions. [2024-11-16 11:22:18,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.9) internal successors, (99), 10 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:18,658 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 802 transitions. [2024-11-16 11:22:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:22:18,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:18,665 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:18,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 11:22:18,665 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:18,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:18,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1063377312, now seen corresponding path program 1 times [2024-11-16 11:22:18,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:18,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126070959] [2024-11-16 11:22:18,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:18,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:19,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:19,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126070959] [2024-11-16 11:22:19,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126070959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:19,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:19,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:22:19,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919197722] [2024-11-16 11:22:19,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:19,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:22:19,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:19,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:22:19,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:22:19,003 INFO L87 Difference]: Start difference. First operand 536 states and 802 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:19,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:19,349 INFO L93 Difference]: Finished difference Result 1206 states and 1805 transitions. [2024-11-16 11:22:19,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:22:19,350 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:22:19,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:19,353 INFO L225 Difference]: With dead ends: 1206 [2024-11-16 11:22:19,353 INFO L226 Difference]: Without dead ends: 788 [2024-11-16 11:22:19,353 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-16 11:22:19,354 INFO L432 NwaCegarLoop]: 653 mSDtfsCounter, 1411 mSDsluCounter, 1936 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 2589 SdHoareTripleChecker+Invalid, 547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:19,354 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 2589 Invalid, 547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 546 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 11:22:19,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2024-11-16 11:22:19,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 568. [2024-11-16 11:22:19,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 567 states have (on average 1.4955908289241622) internal successors, (848), 567 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 848 transitions. [2024-11-16 11:22:19,363 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 848 transitions. Word has length 100 [2024-11-16 11:22:19,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:19,363 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 848 transitions. [2024-11-16 11:22:19,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 848 transitions. [2024-11-16 11:22:19,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:22:19,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:19,365 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:19,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 11:22:19,365 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:19,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:19,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1237764502, now seen corresponding path program 1 times [2024-11-16 11:22:19,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:19,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485931612] [2024-11-16 11:22:19,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:19,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:19,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:19,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:19,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485931612] [2024-11-16 11:22:19,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485931612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:19,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:19,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:22:19,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830309703] [2024-11-16 11:22:19,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:19,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:22:19,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:19,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:22:19,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:22:19,661 INFO L87 Difference]: Start difference. First operand 568 states and 848 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:20,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:20,051 INFO L93 Difference]: Finished difference Result 1216 states and 1818 transitions. [2024-11-16 11:22:20,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:22:20,052 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:22:20,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:20,055 INFO L225 Difference]: With dead ends: 1216 [2024-11-16 11:22:20,056 INFO L226 Difference]: Without dead ends: 798 [2024-11-16 11:22:20,059 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-16 11:22:20,059 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 1431 mSDsluCounter, 1886 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1431 SdHoareTripleChecker+Valid, 2537 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:20,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1431 Valid, 2537 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-16 11:22:20,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-16 11:22:20,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 578. [2024-11-16 11:22:20,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 577 states have (on average 1.4922010398613519) internal successors, (861), 577 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:20,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 861 transitions. [2024-11-16 11:22:20,071 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 861 transitions. Word has length 100 [2024-11-16 11:22:20,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:20,071 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 861 transitions. [2024-11-16 11:22:20,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:20,072 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 861 transitions. [2024-11-16 11:22:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:22:20,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:20,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:20,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 11:22:20,075 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:20,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:20,075 INFO L85 PathProgramCache]: Analyzing trace with hash 846057905, now seen corresponding path program 1 times [2024-11-16 11:22:20,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:20,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349585139] [2024-11-16 11:22:20,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:20,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:20,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:20,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:20,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349585139] [2024-11-16 11:22:20,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349585139] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:20,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:20,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 11:22:20,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128702591] [2024-11-16 11:22:20,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:20,714 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 11:22:20,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:20,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 11:22:20,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 11:22:20,716 INFO L87 Difference]: Start difference. First operand 578 states and 861 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:21,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:21,199 INFO L93 Difference]: Finished difference Result 1014 states and 1513 transitions. [2024-11-16 11:22:21,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 11:22:21,199 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:22:21,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:21,201 INFO L225 Difference]: With dead ends: 1014 [2024-11-16 11:22:21,201 INFO L226 Difference]: Without dead ends: 596 [2024-11-16 11:22:21,202 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-16 11:22:21,202 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 17 mSDsluCounter, 3891 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 4542 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:21,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 4542 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 11:22:21,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-11-16 11:22:21,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 584. [2024-11-16 11:22:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 584 states, 583 states have (on average 1.490566037735849) internal successors, (869), 583 states have internal predecessors, (869), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 869 transitions. [2024-11-16 11:22:21,212 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 869 transitions. Word has length 100 [2024-11-16 11:22:21,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:21,213 INFO L471 AbstractCegarLoop]: Abstraction has 584 states and 869 transitions. [2024-11-16 11:22:21,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 869 transitions. [2024-11-16 11:22:21,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:22:21,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:21,214 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:21,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 11:22:21,215 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:21,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:21,215 INFO L85 PathProgramCache]: Analyzing trace with hash -967273900, now seen corresponding path program 1 times [2024-11-16 11:22:21,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:21,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969052568] [2024-11-16 11:22:21,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:21,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:21,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:21,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:21,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:21,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969052568] [2024-11-16 11:22:21,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969052568] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:21,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:21,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-16 11:22:21,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249574086] [2024-11-16 11:22:21,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:21,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-16 11:22:21,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:21,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-16 11:22:21,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-16 11:22:21,665 INFO L87 Difference]: Start difference. First operand 584 states and 869 transitions. Second operand has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:22,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:22,185 INFO L93 Difference]: Finished difference Result 1006 states and 1501 transitions. [2024-11-16 11:22:22,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-16 11:22:22,186 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:22:22,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:22,188 INFO L225 Difference]: With dead ends: 1006 [2024-11-16 11:22:22,188 INFO L226 Difference]: Without dead ends: 582 [2024-11-16 11:22:22,189 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-16 11:22:22,189 INFO L432 NwaCegarLoop]: 638 mSDtfsCounter, 701 mSDsluCounter, 3806 mSDsCounter, 0 mSdLazyCounter, 1001 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 701 SdHoareTripleChecker+Valid, 4444 SdHoareTripleChecker+Invalid, 1006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:22,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [701 Valid, 4444 Invalid, 1006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1001 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-16 11:22:22,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2024-11-16 11:22:22,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 579. [2024-11-16 11:22:22,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 578 states have (on average 1.491349480968858) internal successors, (862), 578 states have internal predecessors, (862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:22,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 862 transitions. [2024-11-16 11:22:22,201 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 862 transitions. Word has length 100 [2024-11-16 11:22:22,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:22,201 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 862 transitions. [2024-11-16 11:22:22,201 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 11.11111111111111) internal successors, (100), 9 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:22,202 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 862 transitions. [2024-11-16 11:22:22,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:22:22,203 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:22,203 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:22,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 11:22:22,204 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:22,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:22,205 INFO L85 PathProgramCache]: Analyzing trace with hash -289317829, now seen corresponding path program 1 times [2024-11-16 11:22:22,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:22,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993852123] [2024-11-16 11:22:22,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:22,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:22,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:22,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:22,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:22,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993852123] [2024-11-16 11:22:22,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993852123] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:22,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:22,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:22:22,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186626577] [2024-11-16 11:22:22,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:22,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:22:22,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:22,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:22:22,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:22:22,486 INFO L87 Difference]: Start difference. First operand 579 states and 862 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:22,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:22,858 INFO L93 Difference]: Finished difference Result 1173 states and 1749 transitions. [2024-11-16 11:22:22,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:22:22,859 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:22:22,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:22,861 INFO L225 Difference]: With dead ends: 1173 [2024-11-16 11:22:22,861 INFO L226 Difference]: Without dead ends: 750 [2024-11-16 11:22:22,862 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-16 11:22:22,862 INFO L432 NwaCegarLoop]: 650 mSDtfsCounter, 1277 mSDsluCounter, 1881 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1277 SdHoareTripleChecker+Valid, 2531 SdHoareTripleChecker+Invalid, 597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:22,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1277 Valid, 2531 Invalid, 597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 11:22:22,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states. [2024-11-16 11:22:22,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 577. [2024-11-16 11:22:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 576 states have (on average 1.4878472222222223) internal successors, (857), 576 states have internal predecessors, (857), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:22,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 857 transitions. [2024-11-16 11:22:22,870 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 857 transitions. Word has length 100 [2024-11-16 11:22:22,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:22,871 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 857 transitions. [2024-11-16 11:22:22,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 857 transitions. [2024-11-16 11:22:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-16 11:22:22,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:22,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:22,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 11:22:22,872 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:22,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:22,873 INFO L85 PathProgramCache]: Analyzing trace with hash -371682875, now seen corresponding path program 1 times [2024-11-16 11:22:22,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:22,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897008102] [2024-11-16 11:22:22,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:22,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:22,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:23,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:23,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 11:22:23,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897008102] [2024-11-16 11:22:23,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897008102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:23,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:23,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 11:22:23,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187595397] [2024-11-16 11:22:23,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:23,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 11:22:23,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 11:22:23,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 11:22:23,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-16 11:22:23,123 INFO L87 Difference]: Start difference. First operand 577 states and 857 transitions. Second operand has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:23,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:23,407 INFO L93 Difference]: Finished difference Result 996 states and 1484 transitions. [2024-11-16 11:22:23,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 11:22:23,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 100 [2024-11-16 11:22:23,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:23,409 INFO L225 Difference]: With dead ends: 996 [2024-11-16 11:22:23,409 INFO L226 Difference]: Without dead ends: 569 [2024-11-16 11:22:23,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-16 11:22:23,410 INFO L432 NwaCegarLoop]: 651 mSDtfsCounter, 772 mSDsluCounter, 1927 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 772 SdHoareTripleChecker+Valid, 2578 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:23,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [772 Valid, 2578 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-16 11:22:23,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-16 11:22:23,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 569. [2024-11-16 11:22:23,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 568 states have (on average 1.4911971830985915) internal successors, (847), 568 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:23,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 847 transitions. [2024-11-16 11:22:23,417 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 847 transitions. Word has length 100 [2024-11-16 11:22:23,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:23,417 INFO L471 AbstractCegarLoop]: Abstraction has 569 states and 847 transitions. [2024-11-16 11:22:23,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.666666666666668) internal successors, (100), 6 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:23,418 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 847 transitions. [2024-11-16 11:22:23,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-16 11:22:23,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:23,418 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:23,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 11:22:23,419 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:23,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:23,419 INFO L85 PathProgramCache]: Analyzing trace with hash 302307956, now seen corresponding path program 1 times [2024-11-16 11:22:23,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 11:22:23,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752502688] [2024-11-16 11:22:23,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:23,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 11:22:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 11:22:23,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-16 11:22:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-16 11:22:23,513 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-16 11:22:23,514 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-16 11:22:23,515 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-16 11:22:23,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 11:22:23,518 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:23,579 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 11:22:23,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:22:23 BoogieIcfgContainer [2024-11-16 11:22:23,582 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 11:22:23,582 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-16 11:22:23,582 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-16 11:22:23,582 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-16 11:22:23,583 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:22:15" (3/4) ... [2024-11-16 11:22:23,584 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-16 11:22:23,585 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-16 11:22:23,586 INFO L158 Benchmark]: Toolchain (without parser) took 11314.14ms. Allocated memory was 146.8MB in the beginning and 601.9MB in the end (delta: 455.1MB). Free memory was 75.3MB in the beginning and 321.0MB in the end (delta: -245.7MB). Peak memory consumption was 211.1MB. Max. memory is 16.1GB. [2024-11-16 11:22:23,586 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 11:22:23,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.91ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 75.3MB in the beginning and 163.1MB in the end (delta: -87.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2024-11-16 11:22:23,586 INFO L158 Benchmark]: Boogie Procedure Inliner took 181.78ms. Allocated memory is still 205.5MB. Free memory was 163.1MB in the beginning and 127.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-16 11:22:23,586 INFO L158 Benchmark]: Boogie Preprocessor took 195.30ms. Allocated memory is still 205.5MB. Free memory was 127.5MB in the beginning and 109.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-16 11:22:23,587 INFO L158 Benchmark]: IcfgBuilder took 1898.12ms. Allocated memory was 205.5MB in the beginning and 348.1MB in the end (delta: 142.6MB). Free memory was 109.1MB in the beginning and 222.3MB in the end (delta: -113.1MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. [2024-11-16 11:22:23,587 INFO L158 Benchmark]: TraceAbstraction took 8479.47ms. Allocated memory was 348.1MB in the beginning and 601.9MB in the end (delta: 253.8MB). Free memory was 221.2MB in the beginning and 321.0MB in the end (delta: -99.8MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. [2024-11-16 11:22:23,587 INFO L158 Benchmark]: Witness Printer took 3.23ms. Allocated memory is still 601.9MB. Free memory is still 321.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-16 11:22:23,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 110.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.91ms. Allocated memory was 146.8MB in the beginning and 205.5MB in the end (delta: 58.7MB). Free memory was 75.3MB in the beginning and 163.1MB in the end (delta: -87.8MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 181.78ms. Allocated memory is still 205.5MB. Free memory was 163.1MB in the beginning and 127.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 195.30ms. Allocated memory is still 205.5MB. Free memory was 127.5MB in the beginning and 109.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * IcfgBuilder took 1898.12ms. Allocated memory was 205.5MB in the beginning and 348.1MB in the end (delta: 142.6MB). Free memory was 109.1MB in the beginning and 222.3MB in the end (delta: -113.1MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8479.47ms. Allocated memory was 348.1MB in the beginning and 601.9MB in the end (delta: 253.8MB). Free memory was 221.2MB in the beginning and 321.0MB in the end (delta: -99.8MB). Peak memory consumption was 153.9MB. Max. memory is 16.1GB. * Witness Printer took 3.23ms. Allocated memory is still 601.9MB. Free memory is still 321.0MB. There was no memory consumed. Max. memory is 16.1GB. * 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: 21]: 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 bitwiseAnd at line 212. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 64); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (64 - 1); [L35] const SORT_215 mask_SORT_215 = (SORT_215)-1 >> (sizeof(SORT_215) * 8 - 4); [L36] const SORT_215 msb_SORT_215 = (SORT_215)1 << (4 - 1); [L38] const SORT_217 mask_SORT_217 = (SORT_217)-1 >> (sizeof(SORT_217) * 8 - 60); [L39] const SORT_217 msb_SORT_217 = (SORT_217)1 << (60 - 1); [L41] const SORT_10 var_11 = 0; [L42] const SORT_1 var_14 = 0; [L43] const SORT_3 var_24 = 0; [L44] const SORT_1 var_51 = 1; [L45] const SORT_3 var_204 = 1; [L46] const SORT_3 var_208 = 3735928559; [L47] const SORT_3 var_211 = 12245771; [L48] const SORT_215 var_216 = 0; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_1 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L58] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L58] SORT_10 state_12 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L59] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L59] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L60] EXPR __VERIFIER_nondet_ulong() & mask_SORT_10 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L60] SORT_10 state_18 = __VERIFIER_nondet_ulong() & mask_SORT_10; [L61] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L61] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L62] SORT_3 state_25 = __VERIFIER_nondet_uint() & mask_SORT_3; [L63] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L63] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L64] SORT_3 state_30 = __VERIFIER_nondet_uint() & mask_SORT_3; [L65] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L65] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L66] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L66] SORT_3 state_37 = __VERIFIER_nondet_uint() & mask_SORT_3; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L67] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uint() & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L68] SORT_3 state_42 = __VERIFIER_nondet_uint() & mask_SORT_3; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L69] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L70] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L71] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L72] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L73] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L74] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L75] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L76] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L77] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L78] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L79] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L80] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L81] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L82] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L83] SORT_1 state_220 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L84] SORT_1 state_251 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L85] SORT_1 state_264 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L86] SORT_1 state_269 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_10 init_13_arg_1 = var_11; [L89] state_12 = init_13_arg_1 [L90] SORT_1 init_16_arg_1 = var_14; [L91] state_15 = init_16_arg_1 [L92] SORT_10 init_19_arg_1 = var_11; [L93] state_18 = init_19_arg_1 [L94] SORT_1 init_21_arg_1 = var_14; [L95] state_20 = init_21_arg_1 [L96] SORT_3 init_26_arg_1 = var_24; [L97] state_25 = init_26_arg_1 [L98] SORT_1 init_28_arg_1 = var_14; [L99] state_27 = init_28_arg_1 [L100] SORT_3 init_31_arg_1 = var_24; [L101] state_30 = init_31_arg_1 [L102] SORT_1 init_33_arg_1 = var_14; [L103] state_32 = init_33_arg_1 [L104] SORT_3 init_38_arg_1 = var_24; [L105] state_37 = init_38_arg_1 [L106] SORT_1 init_40_arg_1 = var_14; [L107] state_39 = init_40_arg_1 [L108] SORT_3 init_43_arg_1 = var_24; [L109] state_42 = init_43_arg_1 [L110] SORT_1 init_45_arg_1 = var_14; [L111] state_44 = init_45_arg_1 [L112] SORT_1 init_62_arg_1 = var_14; [L113] state_61 = init_62_arg_1 [L114] SORT_1 init_64_arg_1 = var_14; [L115] state_63 = init_64_arg_1 [L116] SORT_1 init_66_arg_1 = var_14; [L117] state_65 = init_66_arg_1 [L118] SORT_1 init_68_arg_1 = var_14; [L119] state_67 = init_68_arg_1 [L120] SORT_1 init_70_arg_1 = var_14; [L121] state_69 = init_70_arg_1 [L122] SORT_1 init_72_arg_1 = var_14; [L123] state_71 = init_72_arg_1 [L124] SORT_1 init_74_arg_1 = var_14; [L125] state_73 = init_74_arg_1 [L126] SORT_1 init_76_arg_1 = var_14; [L127] state_75 = init_76_arg_1 [L128] SORT_1 init_78_arg_1 = var_14; [L129] state_77 = init_78_arg_1 [L130] SORT_1 init_80_arg_1 = var_14; [L131] state_79 = init_80_arg_1 [L132] SORT_1 init_82_arg_1 = var_14; [L133] state_81 = init_82_arg_1 [L134] SORT_1 init_84_arg_1 = var_14; [L135] state_83 = init_84_arg_1 [L136] SORT_1 init_86_arg_1 = var_14; [L137] state_85 = init_86_arg_1 [L138] SORT_1 init_221_arg_1 = var_14; [L139] state_220 = init_221_arg_1 [L140] SORT_1 init_252_arg_1 = var_14; [L141] state_251 = init_252_arg_1 [L142] SORT_1 init_265_arg_1 = var_14; [L143] state_264 = init_265_arg_1 [L144] SORT_1 init_270_arg_1 = var_14; [L145] state_269 = init_270_arg_1 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L148] input_2 = __VERIFIER_nondet_uchar() [L149] input_4 = __VERIFIER_nondet_uint() [L150] EXPR input_4 & mask_SORT_3 VAL [mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L150] input_4 = input_4 & mask_SORT_3 [L151] input_5 = __VERIFIER_nondet_uint() [L152] EXPR input_5 & mask_SORT_3 VAL [input_4=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L152] input_5 = input_5 & mask_SORT_3 [L153] input_6 = __VERIFIER_nondet_uchar() [L154] EXPR input_6 & mask_SORT_1 VAL [input_4=0, input_5=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L154] input_6 = input_6 & mask_SORT_1 [L155] input_7 = __VERIFIER_nondet_uchar() [L156] EXPR input_7 & mask_SORT_1 VAL [input_4=0, input_5=0, input_6=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L156] input_7 = input_7 & mask_SORT_1 [L157] input_8 = __VERIFIER_nondet_uchar() [L158] EXPR input_8 & mask_SORT_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L158] input_8 = input_8 & mask_SORT_1 [L159] input_9 = __VERIFIER_nondet_uchar() [L160] EXPR input_9 & mask_SORT_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_12=0, state_15=0, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L160] input_9 = input_9 & mask_SORT_1 [L163] SORT_1 var_17_arg_0 = state_15; [L164] SORT_10 var_17_arg_1 = state_12; [L165] SORT_10 var_17_arg_2 = var_11; [L166] SORT_10 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_17=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L167] EXPR var_17 & mask_SORT_10 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_20=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L167] var_17 = var_17 & mask_SORT_10 [L168] SORT_1 var_22_arg_0 = state_20; [L169] SORT_10 var_22_arg_1 = state_18; [L170] SORT_10 var_22_arg_2 = var_11; [L171] SORT_10 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_17=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_22=0, var_24=0, var_51=1] [L172] EXPR var_22 & mask_SORT_10 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_27=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_17=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L172] var_22 = var_22 & mask_SORT_10 [L173] SORT_10 var_23_arg_0 = var_17; [L174] SORT_10 var_23_arg_1 = var_22; [L175] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L176] SORT_1 var_29_arg_0 = state_27; [L177] SORT_3 var_29_arg_1 = state_25; [L178] SORT_3 var_29_arg_2 = var_24; [L179] SORT_3 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_23=1, var_24=0, var_29=0, var_51=1] [L180] EXPR var_29 & mask_SORT_3 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_32=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_23=1, var_24=0, var_51=1] [L180] var_29 = var_29 & mask_SORT_3 [L181] SORT_1 var_34_arg_0 = state_32; [L182] SORT_3 var_34_arg_1 = state_30; [L183] SORT_3 var_34_arg_2 = var_24; [L184] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_23=1, var_24=0, var_29=0, var_34=0, var_51=1] [L185] EXPR var_34 & mask_SORT_3 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_23=1, var_24=0, var_29=0, var_51=1] [L185] var_34 = var_34 & mask_SORT_3 [L186] SORT_3 var_35_arg_0 = var_29; [L187] SORT_3 var_35_arg_1 = var_34; [L188] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L189] SORT_1 var_36_arg_0 = var_23; [L190] SORT_1 var_36_arg_1 = var_35; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36_arg_0=1, var_36_arg_1=1, var_51=1] [L191] EXPR var_36_arg_0 & var_36_arg_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_39=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L191] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L192] SORT_1 var_41_arg_0 = state_39; [L193] SORT_3 var_41_arg_1 = state_37; [L194] SORT_3 var_41_arg_2 = var_24; [L195] SORT_3 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36=1, var_41=0, var_51=1] [L196] EXPR var_41 & mask_SORT_3 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_44=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36=1, var_51=1] [L196] var_41 = var_41 & mask_SORT_3 [L197] SORT_1 var_46_arg_0 = state_44; [L198] SORT_3 var_46_arg_1 = state_42; [L199] SORT_3 var_46_arg_2 = var_24; [L200] SORT_3 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36=1, var_41=0, var_46=0, var_51=1] [L201] EXPR var_46 & mask_SORT_3 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_36=1, var_41=0, var_51=1] [L201] var_46 = var_46 & mask_SORT_3 [L202] SORT_3 var_47_arg_0 = var_41; [L203] SORT_3 var_47_arg_1 = var_46; [L204] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L205] SORT_1 var_48_arg_0 = var_36; [L206] SORT_1 var_48_arg_1 = var_47; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_48_arg_0=1, var_48_arg_1=1, var_51=1] [L207] EXPR var_48_arg_0 & var_48_arg_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L207] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L208] SORT_1 var_52_arg_0 = var_48; [L209] SORT_1 var_52 = ~var_52_arg_0; [L210] SORT_1 var_53_arg_0 = var_51; [L211] SORT_1 var_53_arg_1 = var_52; VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1, var_53_arg_0=1, var_53_arg_1=-2] [L212] EXPR var_53_arg_0 & var_53_arg_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L212] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L213] EXPR var_53 & mask_SORT_1 VAL [input_4=0, input_5=0, input_6=0, input_7=0, input_8=0, input_9=0, mask_SORT_10=-1, mask_SORT_1=1, mask_SORT_217=1152921504606846975, mask_SORT_3=-1, state_18=0, state_220=0, state_251=0, state_25=0, state_264=0, state_269=0, state_30=0, state_37=0, state_42=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_81=0, state_83=0, state_85=0, var_11=0, var_14=0, var_204=1, var_208=3735928559, var_211=12245771, var_216=0, var_24=0, var_51=1] [L213] var_53 = var_53 & mask_SORT_1 [L214] SORT_1 bad_54_arg_0 = var_53; [L215] CALL __VERIFIER_assert(!(bad_54_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 526 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 11, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6334 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6334 mSDsluCounter, 28353 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21843 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6126 IncrementalHoareTripleChecker+Invalid, 6136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 6510 mSDtfsCounter, 6126 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=584occurred in iteration=7, InterpolantAutomatonStates: 61, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 644 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1091 NumberOfCodeBlocks, 1091 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 2453 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 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 [2024-11-16 11:22:23,630 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a5a3a60dd79607bf0bca68238db6212890020658ef1f1435f68d731a8509f7ab --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 11:22:25,792 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 11:22:25,864 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-16 11:22:25,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 11:22:25,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 11:22:25,894 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 11:22:25,894 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 11:22:25,895 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 11:22:25,895 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 11:22:25,898 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 11:22:25,899 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 11:22:25,899 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 11:22:25,899 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 11:22:25,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 11:22:25,900 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 11:22:25,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 11:22:25,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 11:22:25,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 11:22:25,903 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 11:22:25,903 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 11:22:25,903 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 11:22:25,904 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-16 11:22:25,904 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-16 11:22:25,904 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 11:22:25,905 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-16 11:22:25,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 11:22:25,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 11:22:25,905 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 11:22:25,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 11:22:25,906 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 11:22:25,906 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 11:22:25,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:22:25,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 11:22:25,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 11:22:25,907 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 11:22:25,908 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-16 11:22:25,908 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-16 11:22:25,908 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 11:22:25,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 11:22:25,908 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 11:22:25,909 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 11:22:25,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5a3a60dd79607bf0bca68238db6212890020658ef1f1435f68d731a8509f7ab [2024-11-16 11:22:26,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 11:22:26,170 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 11:22:26,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 11:22:26,173 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 11:22:26,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 11:22:26,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c [2024-11-16 11:22:27,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 11:22:27,780 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 11:22:27,780 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c [2024-11-16 11:22:27,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e96cfca21/da07bc5184d54e299b208fafb8b81d06/FLAGfa0e74478 [2024-11-16 11:22:28,134 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e96cfca21/da07bc5184d54e299b208fafb8b81d06 [2024-11-16 11:22:28,137 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 11:22:28,140 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 11:22:28,140 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 11:22:28,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 11:22:28,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 11:22:28,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19a2a3d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28, skipping insertion in model container [2024-11-16 11:22:28,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,186 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 11:22:28,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c[1244,1257] [2024-11-16 11:22:28,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:22:28,532 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 11:22:28,545 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mul9.c[1244,1257] [2024-11-16 11:22:28,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 11:22:28,656 INFO L204 MainTranslator]: Completed translation [2024-11-16 11:22:28,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28 WrapperNode [2024-11-16 11:22:28,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 11:22:28,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 11:22:28,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 11:22:28,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 11:22:28,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,728 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 735 [2024-11-16 11:22:28,728 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 11:22:28,729 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 11:22:28,729 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 11:22:28,729 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 11:22:28,739 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,739 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,753 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,803 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2024-11-16 11:22:28,804 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,804 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,815 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,816 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,821 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 11:22:28,828 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 11:22:28,828 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 11:22:28,828 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 11:22:28,828 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (1/1) ... [2024-11-16 11:22:28,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 11:22:28,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 11:22:28,866 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) [2024-11-16 11:22:28,868 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 [2024-11-16 11:22:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 11:22:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-16 11:22:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-16 11:22:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 11:22:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 11:22:29,085 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 11:22:29,087 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 11:22:29,964 INFO L? ?]: Removed 98 outVars from TransFormulas that were not future-live. [2024-11-16 11:22:29,964 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 11:22:29,975 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 11:22:29,975 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 11:22:29,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:22:29 BoogieIcfgContainer [2024-11-16 11:22:29,976 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 11:22:29,977 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 11:22:29,978 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 11:22:29,981 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 11:22:29,981 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:22:28" (1/3) ... [2024-11-16 11:22:29,981 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ef7a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:22:29, skipping insertion in model container [2024-11-16 11:22:29,982 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:22:28" (2/3) ... [2024-11-16 11:22:29,982 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ef7a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:22:29, skipping insertion in model container [2024-11-16 11:22:29,983 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:22:29" (3/3) ... [2024-11-16 11:22:29,984 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mul9.c [2024-11-16 11:22:29,996 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 11:22:29,996 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 11:22:30,052 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 11:22:30,057 INFO L333 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, 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;@38a125df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 11:22:30,058 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 11:22:30,061 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:30,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-16 11:22:30,066 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:30,067 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-16 11:22:30,067 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:30,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:30,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1271070717, now seen corresponding path program 1 times [2024-11-16 11:22:30,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 11:22:30,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [328572529] [2024-11-16 11:22:30,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:30,094 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:22:30,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 11:22:30,099 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 11:22:30,100 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-16 11:22:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:30,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-11-16 11:22:30,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 11:22:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:30,656 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-16 11:22:30,656 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 11:22:30,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [328572529] [2024-11-16 11:22:30,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [328572529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 11:22:30,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 11:22:30,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 11:22:30,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121783667] [2024-11-16 11:22:30,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 11:22:30,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 11:22:30,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 11:22:30,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 11:22:30,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:22:30,689 INFO L87 Difference]: Start difference. First operand has 13 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:30,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:30,836 INFO L93 Difference]: Finished difference Result 21 states and 26 transitions. [2024-11-16 11:22:30,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-16 11:22:30,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-16 11:22:30,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:30,843 INFO L225 Difference]: With dead ends: 21 [2024-11-16 11:22:30,843 INFO L226 Difference]: Without dead ends: 10 [2024-11-16 11:22:30,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 11:22:30,848 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 0 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:30,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-16 11:22:30,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-16 11:22:30,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-11-16 11:22:30,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:30,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-11-16 11:22:30,877 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 6 [2024-11-16 11:22:30,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:30,878 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2024-11-16 11:22:30,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:30,878 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-11-16 11:22:30,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-16 11:22:30,879 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:30,879 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 11:22:30,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-16 11:22:31,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:22:31,083 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:31,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:31,083 INFO L85 PathProgramCache]: Analyzing trace with hash 2061110753, now seen corresponding path program 1 times [2024-11-16 11:22:31,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 11:22:31,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [813958262] [2024-11-16 11:22:31,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 11:22:31,084 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:22:31,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 11:22:31,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 11:22:31,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-16 11:22:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 11:22:31,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-11-16 11:22:31,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 11:22:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 11:22:32,692 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 11:22:52,157 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse35 (= |c_ULTIMATE.start_main_~state_251~0#1| (_ bv0 8)))) (let ((.cse32 (and .cse35 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| (_ BitVec 64))) (not (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))))) (.cse36 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_10|))))))))) (.cse28 (and (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 64))) (not (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) (not .cse35))) (.cse29 (forall ((|v_ULTIMATE.start_main_~var_53_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_0~0#1_10|)))))))))) (let ((.cse30 (or .cse35 .cse29 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_17_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|))))) (.cse31 (or .cse36 .cse28)) (.cse25 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse33 (or .cse36 .cse32)) (.cse34 (or (and .cse35 (forall ((|ULTIMATE.start_main_~mask_SORT_10~0#1| (_ BitVec 64)) (|v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| (_ BitVec 64))) (= (bvand |c_ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~mask_SORT_10~0#1|) (bvand |v_ULTIMATE.start_main_~var_22_arg_1~0#1_10| |ULTIMATE.start_main_~mask_SORT_10~0#1|)))) .cse29))) (let ((.cse27 (and .cse33 .cse34)) (.cse17 (not .cse25)) (.cse26 (and .cse30 .cse31)) (.cse18 (and (or .cse32 .cse29) .cse33 .cse34)) (.cse22 (and (or .cse28 .cse29) .cse30 .cse31))) (let ((.cse11 (= (_ bv0 8) |c_ULTIMATE.start_main_~input_8~0#1|)) (.cse21 (or .cse25 .cse22)) (.cse19 (or .cse25 .cse18)) (.cse23 (or .cse17 .cse26)) (.cse24 (or .cse17 .cse27))) (let ((.cse16 (and (or .cse25 .cse27) .cse24)) (.cse13 (and .cse23 (or .cse25 .cse26))) (.cse3 (= |c_ULTIMATE.start_main_~state_269~0#1| (_ bv0 8))) (.cse12 (and .cse24 .cse19)) (.cse10 (and .cse21 .cse23)) (.cse20 (not .cse11))) (let ((.cse1 (or .cse10 .cse20)) (.cse4 (or .cse12 .cse20)) (.cse6 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_9~0#1|)) (.cse0 (not .cse3)) (.cse2 (or .cse11 (and .cse21 (or .cse17 .cse22)))) (.cse14 (or .cse13 .cse20)) (.cse15 (or .cse16 .cse20)) (.cse5 (or .cse11 (and (or .cse17 .cse18) .cse19))) (.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~input_8~0#1|))) (and (or (and (or .cse0 (and .cse1 .cse2)) (or .cse3 (and .cse4 .cse5))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))))) (or (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 .cse7))) .cse8)))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse7 .cse9))))))))))) (or (and (or .cse0 (and .cse1 (or .cse10 .cse11))) (or .cse3 (and (or .cse11 .cse12) .cse4))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|))))))) .cse8)))))) (or .cse0 (and (or .cse11 .cse13) .cse14)) (or .cse3 (and .cse15 (or .cse11 .cse16))) (or (and (or .cse0 (and .cse2 .cse14)) (or .cse3 (and .cse15 .cse5))) (forall ((|ULTIMATE.start_main_~input_6~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~input_7~0#1| (_ BitVec 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand .cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~input_6~0#1|) ((_ zero_extend 24) |ULTIMATE.start_main_~input_7~0#1|)))) .cse9))))))))))))))))) is different from false [2024-11-16 11:22:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked. [2024-11-16 11:22:57,338 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-16 11:22:57,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [813958262] [2024-11-16 11:22:57,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [813958262] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 11:22:57,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-16 11:22:57,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-16 11:22:57,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477156725] [2024-11-16 11:22:57,344 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-16 11:22:57,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-16 11:22:57,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-16 11:22:57,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-16 11:22:57,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=53, Unknown=1, NotChecked=14, Total=90 [2024-11-16 11:22:57,346 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:58,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 11:22:58,839 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-11-16 11:22:58,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-16 11:22:58,840 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-16 11:22:58,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 11:22:58,840 INFO L225 Difference]: With dead ends: 16 [2024-11-16 11:22:58,840 INFO L226 Difference]: Without dead ends: 13 [2024-11-16 11:22:58,841 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=35, Invalid=78, Unknown=1, NotChecked=18, Total=132 [2024-11-16 11:22:58,842 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 6 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-16 11:22:58,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 6 Unchecked, 0.8s Time] [2024-11-16 11:22:58,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-16 11:22:58,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-16 11:22:58,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 12 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:58,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-11-16 11:22:58,845 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 9 [2024-11-16 11:22:58,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 11:22:58,845 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-11-16 11:22:58,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 11:22:58,845 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-11-16 11:22:58,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-16 11:22:58,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 11:22:58,846 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1] [2024-11-16 11:22:58,853 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-16 11:22:59,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:22:59,047 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 11:22:59,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 11:22:59,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1723041149, now seen corresponding path program 2 times [2024-11-16 11:22:59,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-16 11:22:59,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1418165647] [2024-11-16 11:22:59,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 11:22:59,048 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-16 11:22:59,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-16 11:22:59,051 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-16 11:22:59,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process