./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.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 7ea452f54e78c2d290c3e632eda9aad30263ed9e2c27aee3c4420815eb85a208 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 22:56:20,197 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 22:56:20,254 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-12 22:56:20,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 22:56:20,259 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 22:56:20,283 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 22:56:20,284 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 22:56:20,284 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 22:56:20,284 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 22:56:20,285 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 22:56:20,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 22:56:20,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 22:56:20,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 22:56:20,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 22:56:20,286 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 22:56:20,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 22:56:20,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 22:56:20,287 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 22:56:20,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 22:56:20,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 22:56:20,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 22:56:20,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 22:56:20,289 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 22:56:20,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 22:56:20,289 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 22:56:20,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 22:56:20,290 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 22:56:20,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 22:56:20,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 22:56:20,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:56:20,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 22:56:20,291 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 22:56:20,291 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 22:56:20,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 22:56:20,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 22:56:20,292 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 22:56:20,292 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 22:56:20,292 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 22:56:20,292 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 22:56:20,293 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ea452f54e78c2d290c3e632eda9aad30263ed9e2c27aee3c4420815eb85a208 [2024-10-12 22:56:20,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 22:56:20,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 22:56:20,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 22:56:20,510 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 22:56:20,511 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 22:56:20,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c [2024-10-12 22:56:22,032 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 22:56:22,473 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 22:56:22,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c [2024-10-12 22:56:22,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd965c29/30f9cf15b5014be58baa9d95c4f8982f/FLAG897d3d1ba [2024-10-12 22:56:22,505 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5bd965c29/30f9cf15b5014be58baa9d95c4f8982f [2024-10-12 22:56:22,507 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 22:56:22,510 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 22:56:22,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 22:56:22,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 22:56:22,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 22:56:22,516 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:56:22" (1/1) ... [2024-10-12 22:56:22,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75a2d0d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:22, skipping insertion in model container [2024-10-12 22:56:22,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:56:22" (1/1) ... [2024-10-12 22:56:22,561 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 22:56:22,734 WARN L248 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.krebs.3.prop1-func-interl.c[1172,1185] [2024-10-12 22:56:23,031 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:56:23,040 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 22:56:23,053 WARN L248 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.krebs.3.prop1-func-interl.c[1172,1185] [2024-10-12 22:56:23,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:56:23,177 INFO L204 MainTranslator]: Completed translation [2024-10-12 22:56:23,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23 WrapperNode [2024-10-12 22:56:23,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 22:56:23,178 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 22:56:23,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 22:56:23,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 22:56:23,188 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:23,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:23,699 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4657 [2024-10-12 22:56:23,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 22:56:23,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 22:56:23,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 22:56:23,702 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 22:56:23,712 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:23,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:23,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:24,130 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-12 22:56:24,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:24,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:24,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:24,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:24,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:24,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:24,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 22:56:24,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 22:56:24,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 22:56:24,579 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 22:56:24,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (1/1) ... [2024-10-12 22:56:24,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:56:24,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 22:56:24,618 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) [2024-10-12 22:56:24,631 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 [2024-10-12 22:56:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 22:56:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 22:56:24,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 22:56:24,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 22:56:24,961 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 22:56:24,963 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 22:56:28,496 INFO L? ?]: Removed 2670 outVars from TransFormulas that were not future-live. [2024-10-12 22:56:28,497 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 22:56:28,557 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 22:56:28,557 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 22:56:28,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:56:28 BoogieIcfgContainer [2024-10-12 22:56:28,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 22:56:28,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 22:56:28,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 22:56:28,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 22:56:28,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:56:22" (1/3) ... [2024-10-12 22:56:28,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4840bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:56:28, skipping insertion in model container [2024-10-12 22:56:28,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:23" (2/3) ... [2024-10-12 22:56:28,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4840bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:56:28, skipping insertion in model container [2024-10-12 22:56:28,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:56:28" (3/3) ... [2024-10-12 22:56:28,564 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.3.prop1-func-interl.c [2024-10-12 22:56:28,576 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 22:56:28,577 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 22:56:28,641 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 22:56:28,649 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;@6ea97fe2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 22:56:28,650 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 22:56:28,667 INFO L276 IsEmpty]: Start isEmpty. Operand has 1567 states, 1565 states have (on average 1.5054313099041534) internal successors, (2356), 1566 states have internal predecessors, (2356), 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) [2024-10-12 22:56:28,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-10-12 22:56:28,688 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:56:28,689 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:56:28,689 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:56:28,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:56:28,698 INFO L85 PathProgramCache]: Analyzing trace with hash -944887755, now seen corresponding path program 1 times [2024-10-12 22:56:28,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:56:28,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223931385] [2024-10-12 22:56:28,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:56:28,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:56:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:56:29,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:56:29,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:56:29,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223931385] [2024-10-12 22:56:29,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223931385] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:56:29,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:56:29,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:56:29,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415553175] [2024-10-12 22:56:29,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:56:29,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:56:29,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:56:29,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:56:29,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:56:29,551 INFO L87 Difference]: Start difference. First operand has 1567 states, 1565 states have (on average 1.5054313099041534) internal successors, (2356), 1566 states have internal predecessors, (2356), 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 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2024-10-12 22:56:29,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:56:29,669 INFO L93 Difference]: Finished difference Result 2998 states and 4510 transitions. [2024-10-12 22:56:29,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:56:29,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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 112 [2024-10-12 22:56:29,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:56:29,689 INFO L225 Difference]: With dead ends: 2998 [2024-10-12 22:56:29,689 INFO L226 Difference]: Without dead ends: 1568 [2024-10-12 22:56:29,697 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 [2024-10-12 22:56:29,703 INFO L432 NwaCegarLoop]: 2351 mSDtfsCounter, 0 mSDsluCounter, 4697 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7048 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:56:29,703 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7048 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:56:29,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1568 states. [2024-10-12 22:56:29,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1568 to 1568. [2024-10-12 22:56:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1567 states have (on average 1.503509891512444) internal successors, (2356), 1567 states have internal predecessors, (2356), 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) [2024-10-12 22:56:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2356 transitions. [2024-10-12 22:56:29,780 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2356 transitions. Word has length 112 [2024-10-12 22:56:29,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:56:29,780 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2356 transitions. [2024-10-12 22:56:29,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 4 states have internal predecessors, (112), 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) [2024-10-12 22:56:29,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2356 transitions. [2024-10-12 22:56:29,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-10-12 22:56:29,782 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:56:29,782 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:56:29,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 22:56:29,783 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:56:29,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:56:29,783 INFO L85 PathProgramCache]: Analyzing trace with hash 774946522, now seen corresponding path program 1 times [2024-10-12 22:56:29,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:56:29,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849985987] [2024-10-12 22:56:29,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:56:29,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:56:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:56:30,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:56:30,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:56:30,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849985987] [2024-10-12 22:56:30,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849985987] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:56:30,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:56:30,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:56:30,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777316555] [2024-10-12 22:56:30,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:56:30,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:56:30,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:56:30,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:56:30,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:56:30,040 INFO L87 Difference]: Start difference. First operand 1568 states and 2356 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-10-12 22:56:30,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:56:30,094 INFO L93 Difference]: Finished difference Result 3001 states and 4510 transitions. [2024-10-12 22:56:30,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:56:30,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 113 [2024-10-12 22:56:30,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:56:30,100 INFO L225 Difference]: With dead ends: 3001 [2024-10-12 22:56:30,100 INFO L226 Difference]: Without dead ends: 1570 [2024-10-12 22:56:30,103 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 [2024-10-12 22:56:30,104 INFO L432 NwaCegarLoop]: 2351 mSDtfsCounter, 0 mSDsluCounter, 4694 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7045 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:56:30,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7045 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:56:30,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2024-10-12 22:56:30,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1570. [2024-10-12 22:56:30,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1570 states, 1569 states have (on average 1.502868068833652) internal successors, (2358), 1569 states have internal predecessors, (2358), 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) [2024-10-12 22:56:30,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1570 states to 1570 states and 2358 transitions. [2024-10-12 22:56:30,129 INFO L78 Accepts]: Start accepts. Automaton has 1570 states and 2358 transitions. Word has length 113 [2024-10-12 22:56:30,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:56:30,130 INFO L471 AbstractCegarLoop]: Abstraction has 1570 states and 2358 transitions. [2024-10-12 22:56:30,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-10-12 22:56:30,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2358 transitions. [2024-10-12 22:56:30,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-10-12 22:56:30,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:56:30,135 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:56:30,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 22:56:30,136 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:56:30,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:56:30,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1450540462, now seen corresponding path program 1 times [2024-10-12 22:56:30,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:56:30,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853044724] [2024-10-12 22:56:30,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:56:30,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:56:30,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:56:30,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:56:30,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:56:30,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853044724] [2024-10-12 22:56:30,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853044724] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:56:30,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:56:30,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:56:30,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43515862] [2024-10-12 22:56:30,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:56:30,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:56:30,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:56:30,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:56:30,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:56:30,408 INFO L87 Difference]: Start difference. First operand 1570 states and 2358 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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) [2024-10-12 22:56:30,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:56:30,466 INFO L93 Difference]: Finished difference Result 3005 states and 4514 transitions. [2024-10-12 22:56:30,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:56:30,466 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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 114 [2024-10-12 22:56:30,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:56:30,472 INFO L225 Difference]: With dead ends: 3005 [2024-10-12 22:56:30,472 INFO L226 Difference]: Without dead ends: 1572 [2024-10-12 22:56:30,474 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 [2024-10-12 22:56:30,477 INFO L432 NwaCegarLoop]: 2351 mSDtfsCounter, 0 mSDsluCounter, 4688 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7039 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:56:30,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7039 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:56:30,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2024-10-12 22:56:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1572. [2024-10-12 22:56:30,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1571 states have (on average 1.5022278803309994) internal successors, (2360), 1571 states have internal predecessors, (2360), 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) [2024-10-12 22:56:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2360 transitions. [2024-10-12 22:56:30,503 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2360 transitions. Word has length 114 [2024-10-12 22:56:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:56:30,504 INFO L471 AbstractCegarLoop]: Abstraction has 1572 states and 2360 transitions. [2024-10-12 22:56:30,505 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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) [2024-10-12 22:56:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2360 transitions. [2024-10-12 22:56:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-12 22:56:30,506 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:56:30,506 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:56:30,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 22:56:30,507 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:56:30,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:56:30,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1368998431, now seen corresponding path program 1 times [2024-10-12 22:56:30,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:56:30,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060189910] [2024-10-12 22:56:30,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:56:30,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:56:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:56:30,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:56:30,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:56:30,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060189910] [2024-10-12 22:56:30,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060189910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:56:30,710 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:56:30,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:56:30,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345960284] [2024-10-12 22:56:30,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:56:30,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:56:30,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:56:30,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:56:30,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:56:30,711 INFO L87 Difference]: Start difference. First operand 1572 states and 2360 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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) [2024-10-12 22:56:30,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:56:30,767 INFO L93 Difference]: Finished difference Result 3015 states and 4526 transitions. [2024-10-12 22:56:30,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:56:30,767 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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 115 [2024-10-12 22:56:30,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:56:30,771 INFO L225 Difference]: With dead ends: 3015 [2024-10-12 22:56:30,772 INFO L226 Difference]: Without dead ends: 1580 [2024-10-12 22:56:30,774 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 [2024-10-12 22:56:30,775 INFO L432 NwaCegarLoop]: 2351 mSDtfsCounter, 3 mSDsluCounter, 4688 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 7039 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:56:30,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 7039 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 22:56:30,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1580 states. [2024-10-12 22:56:30,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1580 to 1576. [2024-10-12 22:56:30,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1576 states, 1575 states have (on average 1.5022222222222221) internal successors, (2366), 1575 states have internal predecessors, (2366), 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) [2024-10-12 22:56:30,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2366 transitions. [2024-10-12 22:56:30,801 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2366 transitions. Word has length 115 [2024-10-12 22:56:30,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:56:30,802 INFO L471 AbstractCegarLoop]: Abstraction has 1576 states and 2366 transitions. [2024-10-12 22:56:30,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 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) [2024-10-12 22:56:30,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2366 transitions. [2024-10-12 22:56:30,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-10-12 22:56:30,803 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:56:30,803 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:56:30,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 22:56:30,803 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:56:30,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:56:30,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1624915495, now seen corresponding path program 1 times [2024-10-12 22:56:30,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:56:30,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130511565] [2024-10-12 22:56:30,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:56:30,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:56:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:56:31,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:56:31,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:56:31,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130511565] [2024-10-12 22:56:31,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130511565] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:56:31,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:56:31,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 22:56:31,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131582763] [2024-10-12 22:56:31,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:56:31,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 22:56:31,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:56:31,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 22:56:31,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 22:56:31,034 INFO L87 Difference]: Start difference. First operand 1576 states and 2366 transitions. Second operand has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 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) [2024-10-12 22:56:32,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:56:32,328 INFO L93 Difference]: Finished difference Result 4438 states and 6664 transitions. [2024-10-12 22:56:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 22:56:32,328 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 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 116 [2024-10-12 22:56:32,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:56:32,336 INFO L225 Difference]: With dead ends: 4438 [2024-10-12 22:56:32,337 INFO L226 Difference]: Without dead ends: 2999 [2024-10-12 22:56:32,338 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-12 22:56:32,339 INFO L432 NwaCegarLoop]: 1867 mSDtfsCounter, 2233 mSDsluCounter, 5464 mSDsCounter, 0 mSdLazyCounter, 1880 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2233 SdHoareTripleChecker+Valid, 7331 SdHoareTripleChecker+Invalid, 1881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-12 22:56:32,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2233 Valid, 7331 Invalid, 1881 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1880 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-12 22:56:32,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2999 states. [2024-10-12 22:56:32,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2999 to 1643. [2024-10-12 22:56:32,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1643 states, 1642 states have (on average 1.5012180267965896) internal successors, (2465), 1642 states have internal predecessors, (2465), 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) [2024-10-12 22:56:32,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2465 transitions. [2024-10-12 22:56:32,367 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2465 transitions. Word has length 116 [2024-10-12 22:56:32,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:56:32,367 INFO L471 AbstractCegarLoop]: Abstraction has 1643 states and 2465 transitions. [2024-10-12 22:56:32,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 4 states have internal predecessors, (116), 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) [2024-10-12 22:56:32,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2465 transitions. [2024-10-12 22:56:32,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-12 22:56:32,368 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:56:32,368 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:56:32,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 22:56:32,369 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:56:32,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:56:32,369 INFO L85 PathProgramCache]: Analyzing trace with hash -933242332, now seen corresponding path program 1 times [2024-10-12 22:56:32,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:56:32,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405096393] [2024-10-12 22:56:32,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:56:32,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:56:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:56:32,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:56:32,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 22:56:32,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405096393] [2024-10-12 22:56:32,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405096393] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:56:32,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:56:32,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 22:56:32,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651573919] [2024-10-12 22:56:32,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:56:32,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 22:56:32,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 22:56:32,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 22:56:32,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-12 22:56:32,748 INFO L87 Difference]: Start difference. First operand 1643 states and 2465 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 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) [2024-10-12 22:56:33,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:56:33,769 INFO L93 Difference]: Finished difference Result 3097 states and 4647 transitions. [2024-10-12 22:56:33,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 22:56:33,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 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 117 [2024-10-12 22:56:33,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:56:33,773 INFO L225 Difference]: With dead ends: 3097 [2024-10-12 22:56:33,774 INFO L226 Difference]: Without dead ends: 1658 [2024-10-12 22:56:33,775 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-12 22:56:33,775 INFO L432 NwaCegarLoop]: 1856 mSDtfsCounter, 2266 mSDsluCounter, 5557 mSDsCounter, 0 mSdLazyCounter, 2002 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2266 SdHoareTripleChecker+Valid, 7413 SdHoareTripleChecker+Invalid, 2003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2002 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-12 22:56:33,776 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2266 Valid, 7413 Invalid, 2003 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2002 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-12 22:56:33,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2024-10-12 22:56:33,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1656. [2024-10-12 22:56:33,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1656 states, 1655 states have (on average 1.498489425981873) internal successors, (2480), 1655 states have internal predecessors, (2480), 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) [2024-10-12 22:56:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2480 transitions. [2024-10-12 22:56:33,795 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2480 transitions. Word has length 117 [2024-10-12 22:56:33,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:56:33,795 INFO L471 AbstractCegarLoop]: Abstraction has 1656 states and 2480 transitions. [2024-10-12 22:56:33,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 5 states have internal predecessors, (117), 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) [2024-10-12 22:56:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2480 transitions. [2024-10-12 22:56:33,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-10-12 22:56:33,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:56:33,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:56:33,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 22:56:33,797 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:56:33,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:56:33,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1453605768, now seen corresponding path program 1 times [2024-10-12 22:56:33,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 22:56:33,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087854373] [2024-10-12 22:56:33,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:56:33,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 22:56:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 22:56:33,832 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 22:56:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 22:56:33,923 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 22:56:33,923 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 22:56:33,924 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 22:56:33,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 22:56:33,928 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-12 22:56:34,027 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 22:56:34,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 10:56:34 BoogieIcfgContainer [2024-10-12 22:56:34,035 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 22:56:34,035 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 22:56:34,036 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 22:56:34,036 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 22:56:34,036 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:56:28" (3/4) ... [2024-10-12 22:56:34,038 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 22:56:34,039 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 22:56:34,039 INFO L158 Benchmark]: Toolchain (without parser) took 11531.01ms. Allocated memory was 167.8MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 93.8MB in the beginning and 1.0GB in the end (delta: -949.0MB). Peak memory consumption was 93.0MB. Max. memory is 16.1GB. [2024-10-12 22:56:34,039 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 122.6MB in the end (delta: 188.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 22:56:34,040 INFO L158 Benchmark]: CACSL2BoogieTranslator took 666.38ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 85.7MB in the end (delta: 7.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2024-10-12 22:56:34,040 INFO L158 Benchmark]: Boogie Procedure Inliner took 521.76ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 85.7MB in the beginning and 94.5MB in the end (delta: -8.8MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2024-10-12 22:56:34,040 INFO L158 Benchmark]: Boogie Preprocessor took 877.30ms. Allocated memory was 232.8MB in the beginning and 465.6MB in the end (delta: 232.8MB). Free memory was 94.5MB in the beginning and 328.0MB in the end (delta: -233.5MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. [2024-10-12 22:56:34,041 INFO L158 Benchmark]: RCFGBuilder took 3979.18ms. Allocated memory was 465.6MB in the beginning and 727.7MB in the end (delta: 262.1MB). Free memory was 328.0MB in the beginning and 502.5MB in the end (delta: -174.5MB). Peak memory consumption was 437.6MB. Max. memory is 16.1GB. [2024-10-12 22:56:34,041 INFO L158 Benchmark]: TraceAbstraction took 5475.96ms. Allocated memory was 727.7MB in the beginning and 1.2GB in the end (delta: 480.2MB). Free memory was 501.4MB in the beginning and 1.0GB in the end (delta: -541.4MB). Peak memory consumption was 350.9MB. Max. memory is 16.1GB. [2024-10-12 22:56:34,041 INFO L158 Benchmark]: Witness Printer took 3.35ms. Allocated memory is still 1.2GB. Free memory is still 1.0GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 22:56:34,042 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 122.6MB in the end (delta: 188.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 666.38ms. Allocated memory is still 167.8MB. Free memory was 93.6MB in the beginning and 85.7MB in the end (delta: 7.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 521.76ms. Allocated memory was 167.8MB in the beginning and 232.8MB in the end (delta: 65.0MB). Free memory was 85.7MB in the beginning and 94.5MB in the end (delta: -8.8MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 877.30ms. Allocated memory was 232.8MB in the beginning and 465.6MB in the end (delta: 232.8MB). Free memory was 94.5MB in the beginning and 328.0MB in the end (delta: -233.5MB). Peak memory consumption was 72.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3979.18ms. Allocated memory was 465.6MB in the beginning and 727.7MB in the end (delta: 262.1MB). Free memory was 328.0MB in the beginning and 502.5MB in the end (delta: -174.5MB). Peak memory consumption was 437.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5475.96ms. Allocated memory was 727.7MB in the beginning and 1.2GB in the end (delta: 480.2MB). Free memory was 501.4MB in the beginning and 1.0GB in the end (delta: -541.4MB). Peak memory consumption was 350.9MB. Max. memory is 16.1GB. * Witness Printer took 3.35ms. Allocated memory is still 1.2GB. Free memory is still 1.0GB. 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 214. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_3 var_75 = 0; [L41] const SORT_4 var_77 = 50; [L42] const SORT_2 var_81 = 10; [L43] const SORT_4 var_85 = 1; [L44] const SORT_2 var_91 = 4; [L45] const SORT_4 var_93 = 2; [L46] const SORT_2 var_117 = 12; [L47] const SORT_2 var_140 = 2; [L48] const SORT_2 var_181 = 15; [L50] SORT_1 input_82; [L51] SORT_1 input_92; [L52] SORT_1 input_98; [L53] SORT_1 input_122; [L54] SORT_1 input_125; [L55] SORT_1 input_126; [L56] SORT_1 input_127; [L57] SORT_1 input_128; [L58] SORT_1 input_147; [L59] SORT_1 input_148; [L60] SORT_1 input_170; [L61] SORT_1 input_174; [L62] SORT_1 input_216; [L63] SORT_1 input_219; [L64] SORT_1 input_240; [L65] SORT_1 input_261; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L67] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L68] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L69] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L70] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L71] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L72] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L73] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L74] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L75] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L75] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L76] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L76] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L77] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L77] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L78] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L78] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L79] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L79] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L80] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L81] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L82] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L83] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L84] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L85] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L86] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L87] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L88] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L89] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L90] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L91] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L92] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L93] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L94] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L95] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L96] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L97] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L98] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L99] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_117=12, var_140=2, var_181=15, var_30=0, var_5=0, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L100] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] SORT_2 init_7_arg_1 = var_5; [L103] state_6 = init_7_arg_1 [L104] SORT_2 init_9_arg_1 = var_5; [L105] state_8 = init_9_arg_1 [L106] SORT_2 init_11_arg_1 = var_5; [L107] state_10 = init_11_arg_1 [L108] SORT_2 init_13_arg_1 = var_5; [L109] state_12 = init_13_arg_1 [L110] SORT_2 init_15_arg_1 = var_5; [L111] state_14 = init_15_arg_1 [L112] SORT_2 init_17_arg_1 = var_5; [L113] state_16 = init_17_arg_1 [L114] SORT_2 init_19_arg_1 = var_5; [L115] state_18 = init_19_arg_1 [L116] SORT_2 init_21_arg_1 = var_5; [L117] state_20 = init_21_arg_1 [L118] SORT_2 init_23_arg_1 = var_5; [L119] state_22 = init_23_arg_1 [L120] SORT_2 init_25_arg_1 = var_5; [L121] state_24 = init_25_arg_1 [L122] SORT_2 init_27_arg_1 = var_5; [L123] state_26 = init_27_arg_1 [L124] SORT_2 init_29_arg_1 = var_5; [L125] state_28 = init_29_arg_1 [L126] SORT_1 init_32_arg_1 = var_30; [L127] state_31 = init_32_arg_1 [L128] SORT_1 init_34_arg_1 = var_30; [L129] state_33 = init_34_arg_1 [L130] SORT_1 init_36_arg_1 = var_30; [L131] state_35 = init_36_arg_1 [L132] SORT_1 init_38_arg_1 = var_30; [L133] state_37 = init_38_arg_1 [L134] SORT_1 init_40_arg_1 = var_30; [L135] state_39 = init_40_arg_1 [L136] SORT_1 init_42_arg_1 = var_30; [L137] state_41 = init_42_arg_1 [L138] SORT_1 init_44_arg_1 = var_30; [L139] state_43 = init_44_arg_1 [L140] SORT_1 init_46_arg_1 = var_30; [L141] state_45 = init_46_arg_1 [L142] SORT_1 init_48_arg_1 = var_30; [L143] state_47 = init_48_arg_1 [L144] SORT_1 init_50_arg_1 = var_30; [L145] state_49 = init_50_arg_1 [L146] SORT_1 init_52_arg_1 = var_30; [L147] state_51 = init_52_arg_1 [L148] SORT_1 init_54_arg_1 = var_30; [L149] state_53 = init_54_arg_1 [L150] SORT_1 init_56_arg_1 = var_30; [L151] state_55 = init_56_arg_1 [L152] SORT_1 init_58_arg_1 = var_30; [L153] state_57 = init_58_arg_1 [L154] SORT_1 init_60_arg_1 = var_30; [L155] state_59 = init_60_arg_1 [L156] SORT_1 init_62_arg_1 = var_30; [L157] state_61 = init_62_arg_1 [L158] SORT_1 init_64_arg_1 = var_30; [L159] state_63 = init_64_arg_1 [L160] SORT_1 init_66_arg_1 = var_30; [L161] state_65 = init_66_arg_1 [L162] SORT_1 init_68_arg_1 = var_30; [L163] state_67 = init_68_arg_1 [L164] SORT_1 init_70_arg_1 = var_30; [L165] state_69 = init_70_arg_1 [L166] SORT_1 init_72_arg_1 = var_30; [L167] state_71 = init_72_arg_1 [L168] SORT_1 init_74_arg_1 = var_30; [L169] state_73 = init_74_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L172] input_82 = __VERIFIER_nondet_uchar() [L173] EXPR input_82 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L173] input_82 = input_82 & mask_SORT_1 [L174] input_92 = __VERIFIER_nondet_uchar() [L175] EXPR input_92 & mask_SORT_1 VAL [input_82=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L175] input_92 = input_92 & mask_SORT_1 [L176] input_98 = __VERIFIER_nondet_uchar() [L177] EXPR input_98 & mask_SORT_1 VAL [input_82=0, input_92=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L177] input_98 = input_98 & mask_SORT_1 [L178] input_122 = __VERIFIER_nondet_uchar() [L179] EXPR input_122 & mask_SORT_1 VAL [input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L179] input_122 = input_122 & mask_SORT_1 [L180] input_125 = __VERIFIER_nondet_uchar() [L181] EXPR input_125 & mask_SORT_1 VAL [input_122=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L181] input_125 = input_125 & mask_SORT_1 [L182] input_126 = __VERIFIER_nondet_uchar() [L183] EXPR input_126 & mask_SORT_1 VAL [input_122=0, input_125=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L183] input_126 = input_126 & mask_SORT_1 [L184] input_127 = __VERIFIER_nondet_uchar() [L185] EXPR input_127 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L185] input_127 = input_127 & mask_SORT_1 [L186] input_128 = __VERIFIER_nondet_uchar() [L187] EXPR input_128 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L187] input_128 = input_128 & mask_SORT_1 [L188] input_147 = __VERIFIER_nondet_uchar() [L189] EXPR input_147 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L189] input_147 = input_147 & mask_SORT_1 [L190] input_148 = __VERIFIER_nondet_uchar() [L191] EXPR input_148 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L191] input_148 = input_148 & mask_SORT_1 [L192] input_170 = __VERIFIER_nondet_uchar() [L193] EXPR input_170 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L193] input_170 = input_170 & mask_SORT_1 [L194] input_174 = __VERIFIER_nondet_uchar() [L195] EXPR input_174 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L195] input_174 = input_174 & mask_SORT_1 [L196] input_216 = __VERIFIER_nondet_uchar() [L197] EXPR input_216 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L197] input_216 = input_216 & mask_SORT_1 [L198] input_219 = __VERIFIER_nondet_uchar() [L199] EXPR input_219 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L199] input_219 = input_219 & mask_SORT_1 [L200] input_240 = __VERIFIER_nondet_uchar() [L201] input_261 = __VERIFIER_nondet_uchar() [L204] SORT_3 var_76_arg_0 = var_75; [L205] SORT_2 var_76_arg_1 = state_28; VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_219=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_76_arg_0=0, var_76_arg_1=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L206] EXPR ((SORT_4)var_76_arg_0 << 8) | var_76_arg_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_219=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L206] SORT_4 var_76 = ((SORT_4)var_76_arg_0 << 8) | var_76_arg_1; [L207] EXPR var_76 & mask_SORT_4 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_219=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L207] var_76 = var_76 & mask_SORT_4 [L208] SORT_4 var_78_arg_0 = var_76; [L209] SORT_4 var_78_arg_1 = var_77; [L210] SORT_1 var_78 = var_78_arg_0 <= var_78_arg_1; [L211] SORT_1 var_79_arg_0 = ~state_73; VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_219=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_76=0, var_77=50, var_78=1, var_79_arg_0=-1, var_81=10, var_85=1, var_91=4, var_93=2] [L212] EXPR var_79_arg_0 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_219=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_76=0, var_77=50, var_78=1, var_81=10, var_85=1, var_91=4, var_93=2] [L212] var_79_arg_0 = var_79_arg_0 & mask_SORT_1 [L213] SORT_1 var_79_arg_1 = ~var_78; VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_219=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_76=0, var_77=50, var_79_arg_0=1, var_79_arg_1=-2, var_81=10, var_85=1, var_91=4, var_93=2] [L214] EXPR var_79_arg_1 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_219=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_76=0, var_77=50, var_79_arg_0=1, var_81=10, var_85=1, var_91=4, var_93=2] [L214] var_79_arg_1 = var_79_arg_1 & mask_SORT_1 [L215] EXPR var_79_arg_0 & var_79_arg_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_219=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_76=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L215] SORT_1 var_79 = var_79_arg_0 & var_79_arg_1; [L216] EXPR var_79 & mask_SORT_1 VAL [input_122=0, input_125=0, input_126=0, input_127=0, input_128=0, input_147=0, input_148=0, input_170=0, input_174=0, input_216=0, input_219=0, input_82=0, input_92=0, input_98=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_73=0, state_8=0, var_117=12, var_140=2, var_181=15, var_75=0, var_76=0, var_77=50, var_81=10, var_85=1, var_91=4, var_93=2] [L216] var_79 = var_79 & mask_SORT_1 [L217] SORT_1 bad_80_arg_0 = var_79; [L218] CALL __VERIFIER_assert(!(bad_80_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1567 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.3s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4502 SdHoareTripleChecker+Valid, 2.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4502 mSDsluCounter, 42915 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29788 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3955 IncrementalHoareTripleChecker+Invalid, 3957 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13127 mSDtfsCounter, 3955 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1656occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 1362 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 805 NumberOfCodeBlocks, 805 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 681 ConstructedInterpolants, 0 QuantifiedInterpolants, 1975 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 [2024-10-12 22:56:34,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- 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/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.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 7ea452f54e78c2d290c3e632eda9aad30263ed9e2c27aee3c4420815eb85a208 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 22:56:36,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 22:56:36,228 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-12 22:56:36,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 22:56:36,232 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 22:56:36,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 22:56:36,252 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 22:56:36,252 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 22:56:36,252 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 22:56:36,253 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 22:56:36,253 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 22:56:36,253 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 22:56:36,254 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 22:56:36,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 22:56:36,254 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 22:56:36,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 22:56:36,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 22:56:36,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 22:56:36,255 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 22:56:36,255 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 22:56:36,256 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 22:56:36,256 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 22:56:36,256 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 22:56:36,257 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 22:56:36,257 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 22:56:36,257 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 22:56:36,257 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 22:56:36,258 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 22:56:36,258 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 22:56:36,258 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 22:56:36,258 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 22:56:36,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:56:36,259 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 22:56:36,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 22:56:36,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 22:56:36,260 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 22:56:36,260 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 22:56:36,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 22:56:36,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 22:56:36,261 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 22:56:36,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 22:56:36,261 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 22:56:36,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ea452f54e78c2d290c3e632eda9aad30263ed9e2c27aee3c4420815eb85a208 [2024-10-12 22:56:36,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 22:56:36,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 22:56:36,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 22:56:36,494 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 22:56:36,494 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 22:56:36,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c [2024-10-12 22:56:37,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 22:56:38,055 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 22:56:38,056 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.krebs.3.prop1-func-interl.c [2024-10-12 22:56:38,067 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c60b9f04/8bb008a03598480e9ab3f17c80c6f703/FLAG4ff354a77 [2024-10-12 22:56:38,394 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1c60b9f04/8bb008a03598480e9ab3f17c80c6f703 [2024-10-12 22:56:38,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 22:56:38,399 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 22:56:38,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 22:56:38,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 22:56:38,404 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 22:56:38,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:56:38" (1/1) ... [2024-10-12 22:56:38,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65126a02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:38, skipping insertion in model container [2024-10-12 22:56:38,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:56:38" (1/1) ... [2024-10-12 22:56:38,465 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 22:56:38,664 WARN L248 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.krebs.3.prop1-func-interl.c[1172,1185] [2024-10-12 22:56:38,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:56:38,911 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 22:56:38,923 WARN L248 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.krebs.3.prop1-func-interl.c[1172,1185] [2024-10-12 22:56:39,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 22:56:39,057 INFO L204 MainTranslator]: Completed translation [2024-10-12 22:56:39,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39 WrapperNode [2024-10-12 22:56:39,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 22:56:39,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 22:56:39,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 22:56:39,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 22:56:39,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,144 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1537 [2024-10-12 22:56:39,144 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 22:56:39,145 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 22:56:39,145 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 22:56:39,145 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 22:56:39,155 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,212 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-12 22:56:39,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,243 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,249 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 22:56:39,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 22:56:39,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 22:56:39,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 22:56:39,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (1/1) ... [2024-10-12 22:56:39,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 22:56:39,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 22:56:39,291 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) [2024-10-12 22:56:39,297 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 [2024-10-12 22:56:39,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 22:56:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 22:56:39,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 22:56:39,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 22:56:39,565 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 22:56:39,567 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 22:56:40,547 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2024-10-12 22:56:40,548 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 22:56:40,603 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 22:56:40,604 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 22:56:40,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:56:40 BoogieIcfgContainer [2024-10-12 22:56:40,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 22:56:40,606 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 22:56:40,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 22:56:40,608 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 22:56:40,608 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:56:38" (1/3) ... [2024-10-12 22:56:40,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d04339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:56:40, skipping insertion in model container [2024-10-12 22:56:40,609 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:56:39" (2/3) ... [2024-10-12 22:56:40,609 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68d04339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:56:40, skipping insertion in model container [2024-10-12 22:56:40,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:56:40" (3/3) ... [2024-10-12 22:56:40,610 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.krebs.3.prop1-func-interl.c [2024-10-12 22:56:40,623 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 22:56:40,624 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 22:56:40,669 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 22:56:40,675 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;@41c2fc33, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 22:56:40,675 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 22:56:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2024-10-12 22:56:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-12 22:56:40,682 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:56:40,682 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-12 22:56:40,682 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:56:40,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:56:40,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-12 22:56:40,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 22:56:40,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1091518551] [2024-10-12 22:56:40,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:56:40,697 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 [2024-10-12 22:56:40,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 22:56:40,699 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) [2024-10-12 22:56:40,701 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 [2024-10-12 22:56:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:56:40,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-12 22:56:40,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 22:56:41,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:56:41,063 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 22:56:41,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 22:56:41,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1091518551] [2024-10-12 22:56:41,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1091518551] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 22:56:41,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 22:56:41,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 22:56:41,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807703660] [2024-10-12 22:56:41,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 22:56:41,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 22:56:41,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 22:56:41,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 22:56:41,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 22:56:41,138 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-12 22:56:41,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:56:41,246 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-12 22:56:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 22:56:41,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-10-12 22:56:41,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:56:41,257 INFO L225 Difference]: With dead ends: 15 [2024-10-12 22:56:41,257 INFO L226 Difference]: Without dead ends: 9 [2024-10-12 22:56:41,259 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 22:56:41,261 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 22:56:41,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 22:56:41,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-12 22:56:41,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-12 22:56:41,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 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) [2024-10-12 22:56:41,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-12 22:56:41,283 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-12 22:56:41,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:56:41,283 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-12 22:56:41,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-12 22:56:41,284 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-12 22:56:41,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-12 22:56:41,284 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:56:41,284 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-12 22:56:41,292 INFO L540 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)] Forceful destruction successful, exit code 0 [2024-10-12 22:56:41,485 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 [2024-10-12 22:56:41,486 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:56:41,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:56:41,487 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-12 22:56:41,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 22:56:41,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540803281] [2024-10-12 22:56:41,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 22:56:41,491 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 [2024-10-12 22:56:41,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 22:56:41,494 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) [2024-10-12 22:56:41,496 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 [2024-10-12 22:56:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 22:56:41,833 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-12 22:56:41,840 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 22:56:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:56:42,111 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-12 22:56:57,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 22:56:57,351 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 22:56:57,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [540803281] [2024-10-12 22:56:57,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [540803281] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-12 22:56:57,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-10-12 22:56:57,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-10-12 22:56:57,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705901359] [2024-10-12 22:56:57,352 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-10-12 22:56:57,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-12 22:56:57,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 22:56:57,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-12 22:56:57,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=59, Unknown=3, NotChecked=0, Total=90 [2024-10-12 22:56:57,354 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2024-10-12 22:57:02,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 22:57:02,506 INFO L93 Difference]: Finished difference Result 17 states and 18 transitions. [2024-10-12 22:57:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-12 22:57:02,507 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) Word has length 7 [2024-10-12 22:57:02,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 22:57:02,507 INFO L225 Difference]: With dead ends: 17 [2024-10-12 22:57:02,508 INFO L226 Difference]: Without dead ends: 15 [2024-10-12 22:57:02,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=73, Invalid=134, Unknown=3, NotChecked=0, Total=210 [2024-10-12 22:57:02,509 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 6 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-12 22:57:02,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 15 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-12 22:57:02,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-10-12 22:57:02,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2024-10-12 22:57:02,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 13 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) [2024-10-12 22:57:02,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-10-12 22:57:02,513 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2024-10-12 22:57:02,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 22:57:02,513 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-10-12 22:57:02,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 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) [2024-10-12 22:57:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-10-12 22:57:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-12 22:57:02,514 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 22:57:02,514 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1] [2024-10-12 22:57:02,520 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 [2024-10-12 22:57:02,717 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 [2024-10-12 22:57:02,718 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 22:57:02,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 22:57:02,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1748931734, now seen corresponding path program 2 times [2024-10-12 22:57:02,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 22:57:02,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1659962399] [2024-10-12 22:57:02,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-12 22:57:02,721 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 [2024-10-12 22:57:02,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 22:57:02,722 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) [2024-10-12 22:57:02,724 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 [2024-10-12 22:57:03,412 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-12 22:57:03,412 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-12 22:57:03,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-12 22:57:03,454 INFO L278 TraceCheckSpWp]: Computing forward predicates...