./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.vis_arrays_am2910_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 71117c9c67f985d05d0c9859b116d512376f478c1182a53aad610245b01d40e1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:01:46,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:01:46,813 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 07:01:46,821 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:01:46,821 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:01:46,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:01:46,874 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:01:46,874 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:01:46,875 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:01:46,877 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:01:46,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:01:46,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:01:46,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:01:46,880 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:01:46,880 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:01:46,881 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:01:46,881 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:01:46,881 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 07:01:46,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:01:46,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:01:46,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:01:46,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:01:46,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:01:46,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:01:46,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:01:46,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:01:46,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:01:46,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:01:46,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:01:46,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:01:46,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:01:46,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:01:46,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:01:46,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 07:01:46,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 07:01:46,901 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:01:46,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:01:46,901 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:01:46,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:01:46,902 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71117c9c67f985d05d0c9859b116d512376f478c1182a53aad610245b01d40e1 [2024-10-11 07:01:47,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:01:47,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:01:47,183 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:01:47,185 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:01:47,185 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:01:47,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2024-10-11 07:01:48,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:01:49,011 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:01:49,012 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2024-10-11 07:01:49,030 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/edb2e69ef/55d5b5a8fbf346788c849fdf2d9867df/FLAGcb01b99b5 [2024-10-11 07:01:49,270 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/edb2e69ef/55d5b5a8fbf346788c849fdf2d9867df [2024-10-11 07:01:49,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:01:49,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:01:49,277 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:01:49,277 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:01:49,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:01:49,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:01:49" (1/1) ... [2024-10-11 07:01:49,285 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5325cb6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:49, skipping insertion in model container [2024-10-11 07:01:49,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:01:49" (1/1) ... [2024-10-11 07:01:49,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:01:49,562 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.vis_arrays_am2910_p4.c[1260,1273] [2024-10-11 07:01:49,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:01:50,001 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:01:50,014 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.vis_arrays_am2910_p4.c[1260,1273] [2024-10-11 07:01:50,252 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:01:50,270 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:01:50,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50 WrapperNode [2024-10-11 07:01:50,271 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:01:50,272 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:01:50,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:01:50,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:01:50,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:50,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,086 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4900 [2024-10-11 07:01:51,093 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:01:51,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:01:51,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:01:51,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:01:51,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,115 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,311 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,418 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]. [2024-10-11 07:01:51,419 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,598 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,763 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,881 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:01:51,883 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:01:51,884 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:01:51,884 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:01:51,885 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (1/1) ... [2024-10-11 07:01:51,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:01:51,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:01:51,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 07:01:51,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 07:01:51,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:01:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 07:01:51,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:01:51,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:01:52,382 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:01:52,387 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:01:56,941 INFO L? ?]: Removed 2880 outVars from TransFormulas that were not future-live. [2024-10-11 07:01:56,941 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:01:57,058 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:01:57,058 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:01:57,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:01:57 BoogieIcfgContainer [2024-10-11 07:01:57,058 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:01:57,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:01:57,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:01:57,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:01:57,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:01:49" (1/3) ... [2024-10-11 07:01:57,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e35a373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:01:57, skipping insertion in model container [2024-10-11 07:01:57,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:01:50" (2/3) ... [2024-10-11 07:01:57,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e35a373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:01:57, skipping insertion in model container [2024-10-11 07:01:57,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:01:57" (3/3) ... [2024-10-11 07:01:57,070 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p4.c [2024-10-11 07:01:57,086 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:01:57,086 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:01:57,184 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:01:57,189 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;@1b0ecc4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:01:57,190 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:01:57,198 INFO L276 IsEmpty]: Start isEmpty. Operand has 1531 states, 1529 states have (on average 1.500327011118378) internal successors, (2294), 1530 states have internal predecessors, (2294), 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) [2024-10-11 07:01:57,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-11 07:01:57,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:01:57,206 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] [2024-10-11 07:01:57,207 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:01:57,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:01:57,212 INFO L85 PathProgramCache]: Analyzing trace with hash -538386922, now seen corresponding path program 1 times [2024-10-11 07:01:57,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:01:57,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380462465] [2024-10-11 07:01:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:01:57,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:01:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:01:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:01:58,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:01:58,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380462465] [2024-10-11 07:01:58,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380462465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:01:58,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:01:58,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 07:01:58,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608583859] [2024-10-11 07:01:58,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:01:58,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 07:01:58,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:01:58,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 07:01:58,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:01:58,063 INFO L87 Difference]: Start difference. First operand has 1531 states, 1529 states have (on average 1.500327011118378) internal successors, (2294), 1530 states have internal predecessors, (2294), 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 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-11 07:01:58,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:01:58,222 INFO L93 Difference]: Finished difference Result 3014 states and 4518 transitions. [2024-10-11 07:01:58,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:01:58,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 46 [2024-10-11 07:01:58,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:01:58,247 INFO L225 Difference]: With dead ends: 3014 [2024-10-11 07:01:58,248 INFO L226 Difference]: Without dead ends: 1532 [2024-10-11 07:01:58,256 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 [2024-10-11 07:01:58,262 INFO L432 NwaCegarLoop]: 2289 mSDtfsCounter, 0 mSDsluCounter, 4573 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6862 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 [2024-10-11 07:01:58,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6862 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:01:58,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1532 states. [2024-10-11 07:01:58,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1532 to 1532. [2024-10-11 07:01:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1532 states, 1531 states have (on average 1.4983670803396474) internal successors, (2294), 1531 states have internal predecessors, (2294), 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) [2024-10-11 07:01:58,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1532 states to 1532 states and 2294 transitions. [2024-10-11 07:01:58,411 INFO L78 Accepts]: Start accepts. Automaton has 1532 states and 2294 transitions. Word has length 46 [2024-10-11 07:01:58,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:01:58,411 INFO L471 AbstractCegarLoop]: Abstraction has 1532 states and 2294 transitions. [2024-10-11 07:01:58,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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) [2024-10-11 07:01:58,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 2294 transitions. [2024-10-11 07:01:58,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-11 07:01:58,413 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:01:58,413 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] [2024-10-11 07:01:58,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 07:01:58,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:01:58,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:01:58,414 INFO L85 PathProgramCache]: Analyzing trace with hash 491570028, now seen corresponding path program 1 times [2024-10-11 07:01:58,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:01:58,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236504525] [2024-10-11 07:01:58,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:01:58,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:01:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:01:58,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:01:58,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:01:58,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236504525] [2024-10-11 07:01:58,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236504525] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:01:58,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:01:58,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 07:01:58,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306837780] [2024-10-11 07:01:58,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:01:58,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 07:01:58,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:01:58,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 07:01:58,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:01:58,691 INFO L87 Difference]: Start difference. First operand 1532 states and 2294 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-10-11 07:01:58,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:01:58,767 INFO L93 Difference]: Finished difference Result 3017 states and 4518 transitions. [2024-10-11 07:01:58,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:01:58,768 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 47 [2024-10-11 07:01:58,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:01:58,775 INFO L225 Difference]: With dead ends: 3017 [2024-10-11 07:01:58,776 INFO L226 Difference]: Without dead ends: 1534 [2024-10-11 07:01:58,780 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 [2024-10-11 07:01:58,782 INFO L432 NwaCegarLoop]: 2289 mSDtfsCounter, 0 mSDsluCounter, 4570 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6859 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 [2024-10-11 07:01:58,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6859 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 07:01:58,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1534 states. [2024-10-11 07:01:58,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1534 to 1534. [2024-10-11 07:01:58,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1534 states, 1533 states have (on average 1.4977168949771689) internal successors, (2296), 1533 states have internal predecessors, (2296), 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) [2024-10-11 07:01:58,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1534 states to 1534 states and 2296 transitions. [2024-10-11 07:01:58,816 INFO L78 Accepts]: Start accepts. Automaton has 1534 states and 2296 transitions. Word has length 47 [2024-10-11 07:01:58,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:01:58,817 INFO L471 AbstractCegarLoop]: Abstraction has 1534 states and 2296 transitions. [2024-10-11 07:01:58,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-10-11 07:01:58,818 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2296 transitions. [2024-10-11 07:01:58,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-10-11 07:01:58,820 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:01:58,820 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] [2024-10-11 07:01:58,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 07:01:58,821 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:01:58,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:01:58,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1255803311, now seen corresponding path program 1 times [2024-10-11 07:01:58,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:01:58,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819657872] [2024-10-11 07:01:58,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:01:58,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:01:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:01:59,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:01:59,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:01:59,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819657872] [2024-10-11 07:01:59,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819657872] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:01:59,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:01:59,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 07:01:59,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062772733] [2024-10-11 07:01:59,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:01:59,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 07:01:59,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:01:59,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 07:01:59,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 07:01:59,660 INFO L87 Difference]: Start difference. First operand 1534 states and 2296 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 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) [2024-10-11 07:01:59,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:01:59,960 INFO L93 Difference]: Finished difference Result 3047 states and 4561 transitions. [2024-10-11 07:01:59,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 07:01:59,960 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 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 48 [2024-10-11 07:01:59,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:01:59,968 INFO L225 Difference]: With dead ends: 3047 [2024-10-11 07:01:59,968 INFO L226 Difference]: Without dead ends: 1562 [2024-10-11 07:01:59,971 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-10-11 07:01:59,973 INFO L432 NwaCegarLoop]: 2278 mSDtfsCounter, 2330 mSDsluCounter, 13660 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2330 SdHoareTripleChecker+Valid, 15938 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:01:59,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2330 Valid, 15938 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:01:59,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1562 states. [2024-10-11 07:01:59,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1562 to 1558. [2024-10-11 07:02:00,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1558 states, 1557 states have (on average 1.4964675658317277) internal successors, (2330), 1557 states have internal predecessors, (2330), 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) [2024-10-11 07:02:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2330 transitions. [2024-10-11 07:02:00,007 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2330 transitions. Word has length 48 [2024-10-11 07:02:00,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:02:00,009 INFO L471 AbstractCegarLoop]: Abstraction has 1558 states and 2330 transitions. [2024-10-11 07:02:00,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 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) [2024-10-11 07:02:00,009 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2330 transitions. [2024-10-11 07:02:00,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 07:02:00,010 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:02:00,011 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] [2024-10-11 07:02:00,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 07:02:00,011 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:02:00,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:02:00,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1184084051, now seen corresponding path program 1 times [2024-10-11 07:02:00,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:02:00,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006778218] [2024-10-11 07:02:00,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:02:00,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:02:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:02:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:02:00,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:02:00,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006778218] [2024-10-11 07:02:00,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006778218] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:02:00,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:02:00,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 07:02:00,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56281659] [2024-10-11 07:02:00,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:02:00,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 07:02:00,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:02:00,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 07:02:00,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-10-11 07:02:00,515 INFO L87 Difference]: Start difference. First operand 1558 states and 2330 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 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) [2024-10-11 07:02:00,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:02:00,751 INFO L93 Difference]: Finished difference Result 3055 states and 4571 transitions. [2024-10-11 07:02:00,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 07:02:00,751 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 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 49 [2024-10-11 07:02:00,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:02:00,757 INFO L225 Difference]: With dead ends: 3055 [2024-10-11 07:02:00,758 INFO L226 Difference]: Without dead ends: 1570 [2024-10-11 07:02:00,762 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-10-11 07:02:00,763 INFO L432 NwaCegarLoop]: 2272 mSDtfsCounter, 2271 mSDsluCounter, 13625 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 15897 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:02:00,764 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2271 Valid, 15897 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:02:00,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2024-10-11 07:02:00,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 1568. [2024-10-11 07:02:00,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1568 states, 1567 states have (on average 1.4958519463943842) internal successors, (2344), 1567 states have internal predecessors, (2344), 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) [2024-10-11 07:02:00,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1568 states and 2344 transitions. [2024-10-11 07:02:00,796 INFO L78 Accepts]: Start accepts. Automaton has 1568 states and 2344 transitions. Word has length 49 [2024-10-11 07:02:00,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:02:00,797 INFO L471 AbstractCegarLoop]: Abstraction has 1568 states and 2344 transitions. [2024-10-11 07:02:00,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 8 states have internal predecessors, (49), 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) [2024-10-11 07:02:00,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1568 states and 2344 transitions. [2024-10-11 07:02:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-10-11 07:02:00,799 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:02:00,799 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] [2024-10-11 07:02:00,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 07:02:00,800 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:02:00,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:02:00,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1329254170, now seen corresponding path program 1 times [2024-10-11 07:02:00,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:02:00,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258364428] [2024-10-11 07:02:00,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:02:00,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:02:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:02:01,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:02:01,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:02:01,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258364428] [2024-10-11 07:02:01,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258364428] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:02:01,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:02:01,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 07:02:01,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747961606] [2024-10-11 07:02:01,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:02:01,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 07:02:01,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:02:01,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 07:02:01,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-10-11 07:02:01,586 INFO L87 Difference]: Start difference. First operand 1568 states and 2344 transitions. Second operand has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 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) [2024-10-11 07:02:02,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:02:02,014 INFO L93 Difference]: Finished difference Result 3074 states and 4597 transitions. [2024-10-11 07:02:02,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-11 07:02:02,015 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 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 49 [2024-10-11 07:02:02,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:02:02,022 INFO L225 Difference]: With dead ends: 3074 [2024-10-11 07:02:02,022 INFO L226 Difference]: Without dead ends: 1579 [2024-10-11 07:02:02,025 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-10-11 07:02:02,026 INFO L432 NwaCegarLoop]: 2270 mSDtfsCounter, 2333 mSDsluCounter, 15883 mSDsCounter, 0 mSdLazyCounter, 211 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2333 SdHoareTripleChecker+Valid, 18153 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 07:02:02,027 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2333 Valid, 18153 Invalid, 212 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 07:02:02,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1579 states. [2024-10-11 07:02:02,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1579 to 1572. [2024-10-11 07:02:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1571 states have (on average 1.4958625079567154) internal successors, (2350), 1571 states have internal predecessors, (2350), 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) [2024-10-11 07:02:02,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2350 transitions. [2024-10-11 07:02:02,063 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2350 transitions. Word has length 49 [2024-10-11 07:02:02,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:02:02,064 INFO L471 AbstractCegarLoop]: Abstraction has 1572 states and 2350 transitions. [2024-10-11 07:02:02,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.9) internal successors, (49), 9 states have internal predecessors, (49), 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) [2024-10-11 07:02:02,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2350 transitions. [2024-10-11 07:02:02,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-10-11 07:02:02,066 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:02:02,066 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] [2024-10-11 07:02:02,066 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 07:02:02,067 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:02:02,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:02:02,069 INFO L85 PathProgramCache]: Analyzing trace with hash -383554709, now seen corresponding path program 1 times [2024-10-11 07:02:02,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:02:02,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101671080] [2024-10-11 07:02:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:02:02,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:02:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:02:02,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:02:02,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:02:02,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101671080] [2024-10-11 07:02:02,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [101671080] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:02:02,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:02:02,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 07:02:02,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662158013] [2024-10-11 07:02:02,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:02:02,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 07:02:02,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:02:02,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 07:02:02,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 07:02:02,827 INFO L87 Difference]: Start difference. First operand 1572 states and 2350 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-11 07:02:02,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:02:02,951 INFO L93 Difference]: Finished difference Result 3083 states and 4609 transitions. [2024-10-11 07:02:02,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 07:02:02,951 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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 50 [2024-10-11 07:02:02,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:02:02,957 INFO L225 Difference]: With dead ends: 3083 [2024-10-11 07:02:02,959 INFO L226 Difference]: Without dead ends: 1572 [2024-10-11 07:02:02,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-11 07:02:02,963 INFO L432 NwaCegarLoop]: 2278 mSDtfsCounter, 2295 mSDsluCounter, 4552 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2295 SdHoareTripleChecker+Valid, 6830 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:02:02,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2295 Valid, 6830 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:02:02,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1572 states. [2024-10-11 07:02:02,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1572 to 1572. [2024-10-11 07:02:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1572 states, 1571 states have (on average 1.495225970719287) internal successors, (2349), 1571 states have internal predecessors, (2349), 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) [2024-10-11 07:02:02,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 2349 transitions. [2024-10-11 07:02:02,998 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 2349 transitions. Word has length 50 [2024-10-11 07:02:02,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:02:02,998 INFO L471 AbstractCegarLoop]: Abstraction has 1572 states and 2349 transitions. [2024-10-11 07:02:02,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 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) [2024-10-11 07:02:02,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2349 transitions. [2024-10-11 07:02:02,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-10-11 07:02:02,999 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:02:02,999 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] [2024-10-11 07:02:02,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 07:02:02,999 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:02:03,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:02:03,000 INFO L85 PathProgramCache]: Analyzing trace with hash -395248981, now seen corresponding path program 1 times [2024-10-11 07:02:03,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:02:03,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992975928] [2024-10-11 07:02:03,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:02:03,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:02:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:02:03,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:02:03,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 07:02:03,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992975928] [2024-10-11 07:02:03,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992975928] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:02:03,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:02:03,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-10-11 07:02:03,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824419256] [2024-10-11 07:02:03,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:02:03,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 07:02:03,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 07:02:03,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 07:02:03,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-11 07:02:03,637 INFO L87 Difference]: Start difference. First operand 1572 states and 2349 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2024-10-11 07:02:03,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:02:03,828 INFO L93 Difference]: Finished difference Result 3083 states and 4608 transitions. [2024-10-11 07:02:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-11 07:02:03,828 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 51 [2024-10-11 07:02:03,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:02:03,835 INFO L225 Difference]: With dead ends: 3083 [2024-10-11 07:02:03,835 INFO L226 Difference]: Without dead ends: 1575 [2024-10-11 07:02:03,837 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2024-10-11 07:02:03,840 INFO L432 NwaCegarLoop]: 2279 mSDtfsCounter, 2301 mSDsluCounter, 9123 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2301 SdHoareTripleChecker+Valid, 11402 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 07:02:03,840 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2301 Valid, 11402 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 07:02:03,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1575 states. [2024-10-11 07:02:03,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1575 to 1575. [2024-10-11 07:02:03,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1575 states, 1574 states have (on average 1.49428208386277) internal successors, (2352), 1574 states have internal predecessors, (2352), 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) [2024-10-11 07:02:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1575 states to 1575 states and 2352 transitions. [2024-10-11 07:02:03,871 INFO L78 Accepts]: Start accepts. Automaton has 1575 states and 2352 transitions. Word has length 51 [2024-10-11 07:02:03,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:02:03,873 INFO L471 AbstractCegarLoop]: Abstraction has 1575 states and 2352 transitions. [2024-10-11 07:02:03,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2024-10-11 07:02:03,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2352 transitions. [2024-10-11 07:02:03,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-10-11 07:02:03,874 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:02:03,874 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] [2024-10-11 07:02:03,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 07:02:03,875 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:02:03,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:02:03,876 INFO L85 PathProgramCache]: Analyzing trace with hash 452586404, now seen corresponding path program 1 times [2024-10-11 07:02:03,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 07:02:03,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885482678] [2024-10-11 07:02:03,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:02:03,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 07:02:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 07:02:03,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 07:02:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 07:02:04,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 07:02:04,091 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 07:02:04,093 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 07:02:04,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 07:02:04,102 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 07:02:04,178 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 07:02:04,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 07:02:04 BoogieIcfgContainer [2024-10-11 07:02:04,181 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 07:02:04,181 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 07:02:04,182 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 07:02:04,182 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 07:02:04,185 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:01:57" (3/4) ... [2024-10-11 07:02:04,187 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 07:02:04,188 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 07:02:04,189 INFO L158 Benchmark]: Toolchain (without parser) took 14914.74ms. Allocated memory was 151.0MB in the beginning and 1.0GB in the end (delta: 893.4MB). Free memory was 93.0MB in the beginning and 650.1MB in the end (delta: -557.1MB). Peak memory consumption was 337.6MB. Max. memory is 16.1GB. [2024-10-11 07:02:04,189 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 07:02:04,189 INFO L158 Benchmark]: CACSL2BoogieTranslator took 994.50ms. Allocated memory was 151.0MB in the beginning and 241.2MB in the end (delta: 90.2MB). Free memory was 92.7MB in the beginning and 171.1MB in the end (delta: -78.5MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2024-10-11 07:02:04,189 INFO L158 Benchmark]: Boogie Procedure Inliner took 820.27ms. Allocated memory is still 241.2MB. Free memory was 171.1MB in the beginning and 121.7MB in the end (delta: 49.5MB). Peak memory consumption was 152.2MB. Max. memory is 16.1GB. [2024-10-11 07:02:04,190 INFO L158 Benchmark]: Boogie Preprocessor took 788.06ms. Allocated memory was 241.2MB in the beginning and 482.3MB in the end (delta: 241.2MB). Free memory was 121.7MB in the beginning and 338.7MB in the end (delta: -217.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-10-11 07:02:04,190 INFO L158 Benchmark]: RCFGBuilder took 5175.80ms. Allocated memory was 482.3MB in the beginning and 746.6MB in the end (delta: 264.2MB). Free memory was 337.6MB in the beginning and 448.0MB in the end (delta: -110.3MB). Peak memory consumption was 227.5MB. Max. memory is 16.1GB. [2024-10-11 07:02:04,190 INFO L158 Benchmark]: TraceAbstraction took 7118.23ms. Allocated memory was 746.6MB in the beginning and 1.0GB in the end (delta: 297.8MB). Free memory was 446.9MB in the beginning and 650.1MB in the end (delta: -203.2MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2024-10-11 07:02:04,190 INFO L158 Benchmark]: Witness Printer took 6.81ms. Allocated memory is still 1.0GB. Free memory is still 650.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 07:02:04,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 118.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 994.50ms. Allocated memory was 151.0MB in the beginning and 241.2MB in the end (delta: 90.2MB). Free memory was 92.7MB in the beginning and 171.1MB in the end (delta: -78.5MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 820.27ms. Allocated memory is still 241.2MB. Free memory was 171.1MB in the beginning and 121.7MB in the end (delta: 49.5MB). Peak memory consumption was 152.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 788.06ms. Allocated memory was 241.2MB in the beginning and 482.3MB in the end (delta: 241.2MB). Free memory was 121.7MB in the beginning and 338.7MB in the end (delta: -217.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * RCFGBuilder took 5175.80ms. Allocated memory was 482.3MB in the beginning and 746.6MB in the end (delta: 264.2MB). Free memory was 337.6MB in the beginning and 448.0MB in the end (delta: -110.3MB). Peak memory consumption was 227.5MB. Max. memory is 16.1GB. * TraceAbstraction took 7118.23ms. Allocated memory was 746.6MB in the beginning and 1.0GB in the end (delta: 297.8MB). Free memory was 446.9MB in the beginning and 650.1MB in the end (delta: -203.2MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. * Witness Printer took 6.81ms. Allocated memory is still 1.0GB. Free memory is still 650.1MB. 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 228. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 12); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (12 - 1); [L29] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 1); [L30] const SORT_8 msb_SORT_8 = (SORT_8)1 << (1 - 1); [L32] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 4); [L33] const SORT_13 msb_SORT_13 = (SORT_13)1 << (4 - 1); [L35] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 3); [L36] const SORT_22 msb_SORT_22 = (SORT_22)1 << (3 - 1); [L38] const SORT_310 mask_SORT_310 = (SORT_310)-1 >> (sizeof(SORT_310) * 8 - 2); [L39] const SORT_310 msb_SORT_310 = (SORT_310)1 << (2 - 1); [L41] const SORT_314 mask_SORT_314 = (SORT_314)-1 >> (sizeof(SORT_314) * 8 - 5); [L42] const SORT_314 msb_SORT_314 = (SORT_314)1 << (5 - 1); [L44] const SORT_316 mask_SORT_316 = (SORT_316)-1 >> (sizeof(SORT_316) * 8 - 6); [L45] const SORT_316 msb_SORT_316 = (SORT_316)1 << (6 - 1); [L47] const SORT_318 mask_SORT_318 = (SORT_318)-1 >> (sizeof(SORT_318) * 8 - 7); [L48] const SORT_318 msb_SORT_318 = (SORT_318)1 << (7 - 1); [L50] const SORT_320 mask_SORT_320 = (SORT_320)-1 >> (sizeof(SORT_320) * 8 - 8); [L51] const SORT_320 msb_SORT_320 = (SORT_320)1 << (8 - 1); [L53] const SORT_322 mask_SORT_322 = (SORT_322)-1 >> (sizeof(SORT_322) * 8 - 9); [L54] const SORT_322 msb_SORT_322 = (SORT_322)1 << (9 - 1); [L56] const SORT_324 mask_SORT_324 = (SORT_324)-1 >> (sizeof(SORT_324) * 8 - 10); [L57] const SORT_324 msb_SORT_324 = (SORT_324)1 << (10 - 1); [L59] const SORT_326 mask_SORT_326 = (SORT_326)-1 >> (sizeof(SORT_326) * 8 - 11); [L60] const SORT_326 msb_SORT_326 = (SORT_326)1 << (11 - 1); [L62] const SORT_8 var_18 = 0; [L63] const SORT_22 var_23 = 0; [L64] const SORT_22 var_26 = 4; [L65] const SORT_22 var_29 = 5; [L66] const SORT_1 var_32 = 0; [L67] const SORT_1 var_35 = 2730; [L68] const SORT_8 var_42 = 1; [L69] const SORT_13 var_65 = 2; [L70] const SORT_13 var_70 = 9; [L71] const SORT_13 var_78 = 15; [L72] const SORT_13 var_83 = 1; [L73] const SORT_13 var_85 = 3; [L74] const SORT_13 var_88 = 5; [L75] const SORT_13 var_91 = 7; [L76] const SORT_13 var_94 = 11; [L77] const SORT_13 var_118 = 8; [L78] const SORT_13 var_122 = 10; [L79] const SORT_13 var_126 = 13; [L80] const SORT_13 var_137 = 4; [L81] const SORT_13 var_139 = 12; [L82] const SORT_13 var_142 = 14; [L83] const SORT_13 var_148 = 6; [L84] const SORT_13 var_175 = 0; [L85] const SORT_22 var_221 = 1; [L86] const SORT_1 var_250 = 4095; [L87] const SORT_1 var_580 = 1; [L88] const SORT_326 var_598 = 0; [L90] SORT_1 input_2; [L91] SORT_1 input_3; [L92] SORT_1 input_4; [L93] SORT_1 input_5; [L94] SORT_1 input_6; [L95] SORT_1 input_7; [L96] SORT_8 input_9; [L97] SORT_8 input_10; [L98] SORT_8 input_11; [L99] SORT_1 input_12; [L100] SORT_13 input_14; [L101] SORT_8 input_15; [L102] SORT_8 input_16; [L103] SORT_8 input_17; [L104] SORT_1 input_217; [L105] SORT_1 input_237; [L106] SORT_22 input_240; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_8 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L108] SORT_8 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_8; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_22 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L109] SORT_22 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_22; [L110] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L110] SORT_1 state_33 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L111] SORT_1 state_38 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L112] SORT_1 state_40 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L113] SORT_1 state_44 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L114] SORT_1 state_46 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L115] SORT_1 state_50 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L116] SORT_1 state_52 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L117] SORT_1 state_67 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_22 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L118] SORT_22 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_22; [L119] EXPR __VERIFIER_nondet_ushort() & mask_SORT_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L119] SORT_1 state_135 = __VERIFIER_nondet_ushort() & mask_SORT_1; [L121] SORT_8 init_20_arg_1 = var_18; [L122] state_19 = init_20_arg_1 [L123] SORT_22 init_25_arg_1 = var_23; [L124] state_24 = init_25_arg_1 [L125] SORT_1 init_34_arg_1 = var_32; [L126] state_33 = init_34_arg_1 [L127] SORT_1 init_39_arg_1 = var_32; [L128] state_38 = init_39_arg_1 [L129] SORT_1 init_41_arg_1 = var_32; [L130] state_40 = init_41_arg_1 [L131] SORT_1 init_45_arg_1 = var_32; [L132] state_44 = init_45_arg_1 [L133] SORT_1 init_47_arg_1 = var_32; [L134] state_46 = init_47_arg_1 [L135] SORT_1 init_51_arg_1 = var_32; [L136] state_50 = init_51_arg_1 [L137] SORT_1 init_53_arg_1 = var_32; [L138] state_52 = init_53_arg_1 [L139] SORT_1 init_68_arg_1 = var_32; [L140] state_67 = init_68_arg_1 [L141] SORT_22 init_107_arg_1 = var_23; [L142] state_106 = init_107_arg_1 [L143] SORT_1 init_136_arg_1 = var_32; [L144] state_135 = init_136_arg_1 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L147] input_2 = __VERIFIER_nondet_ushort() [L148] input_3 = __VERIFIER_nondet_ushort() [L149] input_4 = __VERIFIER_nondet_ushort() [L150] input_5 = __VERIFIER_nondet_ushort() [L151] input_6 = __VERIFIER_nondet_ushort() [L152] input_7 = __VERIFIER_nondet_ushort() [L153] input_9 = __VERIFIER_nondet_uchar() [L154] input_10 = __VERIFIER_nondet_uchar() [L155] input_11 = __VERIFIER_nondet_uchar() [L156] EXPR input_11 & mask_SORT_8 VAL [mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L156] input_11 = input_11 & mask_SORT_8 [L157] input_12 = __VERIFIER_nondet_ushort() [L158] input_14 = __VERIFIER_nondet_uchar() [L159] EXPR input_14 & mask_SORT_13 VAL [input_11=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_19=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L159] input_14 = input_14 & mask_SORT_13 [L160] input_15 = __VERIFIER_nondet_uchar() [L161] input_16 = __VERIFIER_nondet_uchar() [L162] input_17 = __VERIFIER_nondet_uchar() [L163] input_217 = __VERIFIER_nondet_ushort() [L164] input_237 = __VERIFIER_nondet_ushort() [L165] input_240 = __VERIFIER_nondet_uchar() [L168] SORT_8 var_21_arg_0 = state_19; [L169] SORT_8 var_21_arg_1 = var_18; [L170] SORT_8 var_21 = var_21_arg_0 == var_21_arg_1; [L171] SORT_22 var_27_arg_0 = state_24; [L172] SORT_22 var_27_arg_1 = var_26; [L173] SORT_8 var_27 = var_27_arg_0 == var_27_arg_1; [L174] SORT_8 var_28_arg_0 = var_21; [L175] SORT_8 var_28_arg_1 = var_27; VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_28_arg_0=1, var_28_arg_1=0, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L176] EXPR var_28_arg_0 | var_28_arg_1 VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_24=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L176] SORT_8 var_28 = var_28_arg_0 | var_28_arg_1; [L177] SORT_22 var_30_arg_0 = state_24; [L178] SORT_22 var_30_arg_1 = var_29; [L179] SORT_8 var_30 = var_30_arg_0 == var_30_arg_1; [L180] SORT_8 var_31_arg_0 = var_28; [L181] SORT_8 var_31_arg_1 = var_30; VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_31_arg_0=1, var_31_arg_1=0, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L182] EXPR var_31_arg_0 | var_31_arg_1 VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_33=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L182] SORT_8 var_31 = var_31_arg_0 | var_31_arg_1; [L183] SORT_1 var_36_arg_0 = state_33; [L184] SORT_1 var_36_arg_1 = var_35; [L185] SORT_8 var_36 = var_36_arg_0 != var_36_arg_1; [L186] SORT_8 var_37_arg_0 = var_31; [L187] SORT_8 var_37_arg_1 = var_36; VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_37_arg_0=1, var_37_arg_1=1, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L188] EXPR var_37_arg_0 | var_37_arg_1 VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L188] SORT_8 var_37 = var_37_arg_0 | var_37_arg_1; [L189] SORT_8 var_55_arg_0 = var_42; [L190] SORT_1 var_55_arg_1 = input_7; [L191] SORT_1 var_55_arg_2 = input_6; [L192] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L193] SORT_8 var_54_arg_0 = var_42; [L194] SORT_1 var_54_arg_1 = state_52; [L195] SORT_1 var_54_arg_2 = state_50; [L196] SORT_1 var_54 = var_54_arg_0 ? var_54_arg_1 : var_54_arg_2; [L197] SORT_8 var_56_arg_0 = var_18; [L198] SORT_1 var_56_arg_1 = var_55; [L199] SORT_1 var_56_arg_2 = var_54; [L200] SORT_1 var_56 = var_56_arg_0 ? var_56_arg_1 : var_56_arg_2; [L201] SORT_8 var_48_arg_0 = var_42; [L202] SORT_1 var_48_arg_1 = state_46; [L203] SORT_1 var_48_arg_2 = state_44; [L204] SORT_1 var_48 = var_48_arg_0 ? var_48_arg_1 : var_48_arg_2; [L205] SORT_8 var_43_arg_0 = var_42; [L206] SORT_1 var_43_arg_1 = state_40; [L207] SORT_1 var_43_arg_2 = state_38; [L208] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L209] SORT_8 var_49_arg_0 = var_18; [L210] SORT_1 var_49_arg_1 = var_48; [L211] SORT_1 var_49_arg_2 = var_43; [L212] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L213] SORT_8 var_57_arg_0 = var_42; [L214] SORT_1 var_57_arg_1 = var_56; [L215] SORT_1 var_57_arg_2 = var_49; [L216] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_37=1, var_42=1, var_57=0, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L217] EXPR var_57 & mask_SORT_1 VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_37=1, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L217] var_57 = var_57 & mask_SORT_1 [L218] SORT_1 var_58_arg_0 = var_57; [L219] SORT_1 var_58_arg_1 = var_35; [L220] SORT_8 var_58 = var_58_arg_0 == var_58_arg_1; [L221] SORT_8 var_59_arg_0 = var_37; [L222] SORT_8 var_59_arg_1 = var_58; VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_59_arg_0=1, var_59_arg_1=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L223] EXPR var_59_arg_0 | var_59_arg_1 VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L223] SORT_8 var_59 = var_59_arg_0 | var_59_arg_1; [L224] SORT_8 var_62_arg_0 = var_59; [L225] SORT_8 var_62 = ~var_62_arg_0; [L226] SORT_8 var_63_arg_0 = var_42; [L227] SORT_8 var_63_arg_1 = var_62; VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_63_arg_0=1, var_63_arg_1=-2, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L228] EXPR var_63_arg_0 & var_63_arg_1 VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L228] SORT_8 var_63 = var_63_arg_0 & var_63_arg_1; [L229] EXPR var_63 & mask_SORT_8 VAL [input_11=0, input_14=0, mask_SORT_13=15, mask_SORT_1=4095, mask_SORT_22=7, mask_SORT_310=3, mask_SORT_314=31, mask_SORT_316=63, mask_SORT_318=127, mask_SORT_320=255, mask_SORT_322=511, mask_SORT_324=1023, mask_SORT_326=2047, mask_SORT_8=1, state_106=0, state_135=0, state_38=0, state_40=0, state_44=0, state_46=0, state_50=0, state_52=0, state_67=0, var_118=8, var_122=10, var_126=13, var_137=4, var_139=12, var_142=14, var_148=6, var_175=0, var_18=0, var_221=1, var_23=0, var_250=4095, var_26=4, var_29=5, var_32=0, var_35=2730, var_42=1, var_580=1, var_598=0, var_65=2, var_70=9, var_78=15, var_83=1, var_85=3, var_88=5, var_91=7, var_94=11] [L229] var_63 = var_63 & mask_SORT_8 [L230] SORT_8 bad_64_arg_0 = var_63; [L231] CALL __VERIFIER_assert(!(bad_64_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1531 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11530 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11530 mSDsluCounter, 81941 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 65986 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 607 IncrementalHoareTripleChecker+Invalid, 612 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 15955 mSDtfsCounter, 607 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 67 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1575occurred in iteration=7, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 13 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 392 NumberOfCodeBlocks, 392 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 1738 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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 [2024-10-11 07:02:04,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 71117c9c67f985d05d0c9859b116d512376f478c1182a53aad610245b01d40e1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 07:02:06,570 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 07:02:06,653 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-11 07:02:06,661 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 07:02:06,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 07:02:06,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 07:02:06,693 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 07:02:06,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 07:02:06,694 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 07:02:06,696 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 07:02:06,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 07:02:06,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 07:02:06,697 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 07:02:06,700 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 07:02:06,701 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 07:02:06,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 07:02:06,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 07:02:06,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 07:02:06,702 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 07:02:06,702 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 07:02:06,702 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 07:02:06,703 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 07:02:06,703 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 07:02:06,703 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 07:02:06,703 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 07:02:06,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 07:02:06,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 07:02:06,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 07:02:06,704 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 07:02:06,705 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 07:02:06,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 07:02:06,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:02:06,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 07:02:06,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 07:02:06,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 07:02:06,707 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 07:02:06,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 07:02:06,708 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 07:02:06,709 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 07:02:06,709 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 07:02:06,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 07:02:06,709 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 07:02:06,710 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71117c9c67f985d05d0c9859b116d512376f478c1182a53aad610245b01d40e1 [2024-10-11 07:02:07,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 07:02:07,079 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 07:02:07,084 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 07:02:07,085 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 07:02:07,085 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 07:02:07,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2024-10-11 07:02:08,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 07:02:08,941 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 07:02:08,945 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_am2910_p4.c [2024-10-11 07:02:08,974 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/87c2003ea/51a865060ff74318a2e1b53002636409/FLAGd3bd253c2 [2024-10-11 07:02:08,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/87c2003ea/51a865060ff74318a2e1b53002636409 [2024-10-11 07:02:08,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 07:02:08,996 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 07:02:08,999 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 07:02:09,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 07:02:09,016 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 07:02:09,017 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:02:08" (1/1) ... [2024-10-11 07:02:09,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c90b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09, skipping insertion in model container [2024-10-11 07:02:09,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 07:02:08" (1/1) ... [2024-10-11 07:02:09,093 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 07:02:09,310 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.vis_arrays_am2910_p4.c[1260,1273] [2024-10-11 07:02:09,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:02:09,654 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 07:02:09,666 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.vis_arrays_am2910_p4.c[1260,1273] [2024-10-11 07:02:09,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 07:02:09,827 INFO L204 MainTranslator]: Completed translation [2024-10-11 07:02:09,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09 WrapperNode [2024-10-11 07:02:09,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 07:02:09,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 07:02:09,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 07:02:09,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 07:02:09,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:09,883 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:09,992 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1852 [2024-10-11 07:02:09,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 07:02:09,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 07:02:09,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 07:02:09,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 07:02:10,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,027 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,102 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]. [2024-10-11 07:02:10,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,143 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,150 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,171 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 07:02:10,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 07:02:10,190 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 07:02:10,190 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 07:02:10,191 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (1/1) ... [2024-10-11 07:02:10,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 07:02:10,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 07:02:10,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 07:02:10,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 07:02:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 07:02:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-11 07:02:10,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 07:02:10,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 07:02:10,697 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 07:02:10,699 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 07:02:12,675 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-10-11 07:02:12,675 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 07:02:12,760 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 07:02:12,761 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 07:02:12,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:02:12 BoogieIcfgContainer [2024-10-11 07:02:12,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 07:02:12,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 07:02:12,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 07:02:12,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 07:02:12,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 07:02:08" (1/3) ... [2024-10-11 07:02:12,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540e2a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:02:12, skipping insertion in model container [2024-10-11 07:02:12,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 07:02:09" (2/3) ... [2024-10-11 07:02:12,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@540e2a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 07:02:12, skipping insertion in model container [2024-10-11 07:02:12,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 07:02:12" (3/3) ... [2024-10-11 07:02:12,773 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_am2910_p4.c [2024-10-11 07:02:12,790 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 07:02:12,790 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 07:02:12,856 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 07:02:12,864 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;@6fb698ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 07:02:12,864 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 07:02:12,868 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) [2024-10-11 07:02:12,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-11 07:02:12,875 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:02:12,875 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-11 07:02:12,876 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:02:12,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:02:12,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-11 07:02:12,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 07:02:12,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [243291382] [2024-10-11 07:02:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:02:12,891 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 [2024-10-11 07:02:12,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 07:02:12,893 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 07:02:12,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 07:02:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:02:13,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 07:02:13,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 07:02:13,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 07:02:13,504 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 07:02:13,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 07:02:13,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [243291382] [2024-10-11 07:02:13,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [243291382] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 07:02:13,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 07:02:13,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 07:02:13,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626903179] [2024-10-11 07:02:13,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 07:02:13,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 07:02:13,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 07:02:13,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 07:02:13,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:02:13,539 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) [2024-10-11 07:02:13,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 07:02:13,711 INFO L93 Difference]: Finished difference Result 14 states and 19 transitions. [2024-10-11 07:02:13,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 07:02:13,714 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 [2024-10-11 07:02:13,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 07:02:13,721 INFO L225 Difference]: With dead ends: 14 [2024-10-11 07:02:13,721 INFO L226 Difference]: Without dead ends: 8 [2024-10-11 07:02:13,724 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 07:02:13,727 INFO L432 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 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, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 07:02:13,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 07:02:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2024-10-11 07:02:13,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-11 07:02:13,754 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) [2024-10-11 07:02:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-11 07:02:13,756 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-11 07:02:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 07:02:13,757 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-11 07:02:13,757 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) [2024-10-11 07:02:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-11 07:02:13,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-11 07:02:13,757 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 07:02:13,758 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-11 07:02:13,763 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-11 07:02:13,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 07:02:13,959 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 07:02:13,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 07:02:13,960 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-11 07:02:13,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 07:02:13,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433279713] [2024-10-11 07:02:13,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 07:02:13,963 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 [2024-10-11 07:02:13,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 07:02:13,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 07:02:13,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 07:02:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 07:02:14,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-10-11 07:02:14,618 INFO L278 TraceCheckSpWp]: Computing forward predicates...