./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.mcs.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 23:05:46,181 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 23:05:46,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-12 23:05:46,270 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 23:05:46,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 23:05:46,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 23:05:46,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 23:05:46,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 23:05:46,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 23:05:46,319 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 23:05:46,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 23:05:46,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 23:05:46,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 23:05:46,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 23:05:46,321 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 23:05:46,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 23:05:46,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 23:05:46,324 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-12 23:05:46,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 23:05:46,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 23:05:46,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 23:05:46,327 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 23:05:46,328 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 23:05:46,328 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 23:05:46,328 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 23:05:46,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 23:05:46,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 23:05:46,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 23:05:46,330 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 23:05:46,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:05:46,331 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 23:05:46,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 23:05:46,332 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 23:05:46,332 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-12 23:05:46,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-12 23:05:46,333 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 23:05:46,333 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 23:05:46,333 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 23:05:46,333 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 23:05:46,334 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 [2024-10-12 23:05:46,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 23:05:46,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 23:05:46,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 23:05:46,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 23:05:46,587 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 23:05:46,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-10-12 23:05:48,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 23:05:48,384 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 23:05:48,385 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-10-12 23:05:48,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b982fedc/fe3dfa93f6014373af45c45cd2cbe101/FLAG4ea1b4d34 [2024-10-12 23:05:48,418 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b982fedc/fe3dfa93f6014373af45c45cd2cbe101 [2024-10-12 23:05:48,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 23:05:48,422 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 23:05:48,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 23:05:48,423 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 23:05:48,429 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 23:05:48,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:05:48" (1/1) ... [2024-10-12 23:05:48,430 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdabfa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:48, skipping insertion in model container [2024-10-12 23:05:48,430 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:05:48" (1/1) ... [2024-10-12 23:05:48,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 23:05:48,725 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.mcs.1.prop1-func-interl.c[1170,1183] [2024-10-12 23:05:49,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:05:49,230 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 23:05:49,241 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.mcs.1.prop1-func-interl.c[1170,1183] [2024-10-12 23:05:49,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:05:49,384 INFO L204 MainTranslator]: Completed translation [2024-10-12 23:05:49,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49 WrapperNode [2024-10-12 23:05:49,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 23:05:49,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 23:05:49,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 23:05:49,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 23:05:49,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:49,466 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:50,719 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7904 [2024-10-12 23:05:50,719 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 23:05:50,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 23:05:50,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 23:05:50,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 23:05:50,731 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:50,732 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:50,940 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:51,284 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-12 23:05:51,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:51,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:51,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:51,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:51,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:52,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:52,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 23:05:52,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 23:05:52,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 23:05:52,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 23:05:52,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (1/1) ... [2024-10-12 23:05:52,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:05:52,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 23:05:52,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 23:05:52,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 23:05:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 23:05:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-12 23:05:52,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 23:05:52,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 23:05:52,823 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 23:05:52,825 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 23:06:02,553 INFO L? ?]: Removed 4470 outVars from TransFormulas that were not future-live. [2024-10-12 23:06:02,554 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 23:06:02,697 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 23:06:02,697 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 23:06:02,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:02 BoogieIcfgContainer [2024-10-12 23:06:02,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 23:06:02,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 23:06:02,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 23:06:02,705 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 23:06:02,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:05:48" (1/3) ... [2024-10-12 23:06:02,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33aeec51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:02, skipping insertion in model container [2024-10-12 23:06:02,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:05:49" (2/3) ... [2024-10-12 23:06:02,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33aeec51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:02, skipping insertion in model container [2024-10-12 23:06:02,708 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:02" (3/3) ... [2024-10-12 23:06:02,709 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-10-12 23:06:02,725 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 23:06:02,725 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 23:06:02,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 23:06:02,850 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;@3166e20d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 23:06:02,850 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 23:06:02,867 INFO L276 IsEmpty]: Start isEmpty. Operand has 2783 states, 2781 states have (on average 1.5016181229773462) internal successors, (4176), 2782 states have internal predecessors, (4176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-10-12 23:06:02,883 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:06:02,884 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:06:02,884 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:06:02,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:06:02,890 INFO L85 PathProgramCache]: Analyzing trace with hash -1089551734, now seen corresponding path program 1 times [2024-10-12 23:06:02,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:06:02,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380018517] [2024-10-12 23:06:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:06:02,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:06:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:06:03,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:06:03,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:06:03,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380018517] [2024-10-12 23:06:03,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380018517] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:06:03,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:06:03,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 23:06:03,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791400297] [2024-10-12 23:06:03,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:06:03,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 23:06:03,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:06:03,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 23:06:03,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:06:03,917 INFO L87 Difference]: Start difference. First operand has 2783 states, 2781 states have (on average 1.5016181229773462) internal successors, (4176), 2782 states have internal predecessors, (4176), 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 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:04,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:06:04,125 INFO L93 Difference]: Finished difference Result 5402 states and 8108 transitions. [2024-10-12 23:06:04,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:06:04,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 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 120 [2024-10-12 23:06:04,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:06:04,161 INFO L225 Difference]: With dead ends: 5402 [2024-10-12 23:06:04,161 INFO L226 Difference]: Without dead ends: 2784 [2024-10-12 23:06:04,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:06:04,179 INFO L432 NwaCegarLoop]: 4171 mSDtfsCounter, 0 mSDsluCounter, 8337 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12508 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 23:06:04,181 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12508 Invalid, 13 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 23:06:04,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2784 states. [2024-10-12 23:06:04,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2784 to 2784. [2024-10-12 23:06:04,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2784 states, 2783 states have (on average 1.5005389867049945) internal successors, (4176), 2783 states have internal predecessors, (4176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:04,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2784 states and 4176 transitions. [2024-10-12 23:06:04,333 INFO L78 Accepts]: Start accepts. Automaton has 2784 states and 4176 transitions. Word has length 120 [2024-10-12 23:06:04,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:06:04,335 INFO L471 AbstractCegarLoop]: Abstraction has 2784 states and 4176 transitions. [2024-10-12 23:06:04,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.0) internal successors, (120), 4 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:04,335 INFO L276 IsEmpty]: Start isEmpty. Operand 2784 states and 4176 transitions. [2024-10-12 23:06:04,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-10-12 23:06:04,343 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:06:04,344 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:06:04,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-12 23:06:04,344 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:06:04,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:06:04,345 INFO L85 PathProgramCache]: Analyzing trace with hash 585330521, now seen corresponding path program 1 times [2024-10-12 23:06:04,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:06:04,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33095427] [2024-10-12 23:06:04,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:06:04,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:06:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:06:04,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:06:04,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:06:04,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33095427] [2024-10-12 23:06:04,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33095427] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:06:04,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:06:04,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 23:06:04,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785411500] [2024-10-12 23:06:04,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:06:04,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 23:06:04,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:06:04,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 23:06:04,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:06:04,746 INFO L87 Difference]: Start difference. First operand 2784 states and 4176 transitions. Second operand has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:04,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:06:04,853 INFO L93 Difference]: Finished difference Result 5405 states and 8108 transitions. [2024-10-12 23:06:04,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:06:04,854 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 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 121 [2024-10-12 23:06:04,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:06:04,865 INFO L225 Difference]: With dead ends: 5405 [2024-10-12 23:06:04,865 INFO L226 Difference]: Without dead ends: 2786 [2024-10-12 23:06:04,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:06:04,872 INFO L432 NwaCegarLoop]: 4171 mSDtfsCounter, 0 mSDsluCounter, 8334 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12505 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 23:06:04,872 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12505 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 23:06:04,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2786 states. [2024-10-12 23:06:04,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2786 to 2786. [2024-10-12 23:06:04,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2786 states, 2785 states have (on average 1.5001795332136445) internal successors, (4178), 2785 states have internal predecessors, (4178), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2786 states and 4178 transitions. [2024-10-12 23:06:04,931 INFO L78 Accepts]: Start accepts. Automaton has 2786 states and 4178 transitions. Word has length 121 [2024-10-12 23:06:04,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:06:04,933 INFO L471 AbstractCegarLoop]: Abstraction has 2786 states and 4178 transitions. [2024-10-12 23:06:04,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.25) internal successors, (121), 4 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:04,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2786 states and 4178 transitions. [2024-10-12 23:06:04,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-12 23:06:04,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:06:04,938 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:06:04,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-12 23:06:04,938 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:06:04,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:06:04,939 INFO L85 PathProgramCache]: Analyzing trace with hash -132588221, now seen corresponding path program 1 times [2024-10-12 23:06:04,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:06:04,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225728478] [2024-10-12 23:06:04,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:06:04,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:06:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:06:05,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:06:05,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:06:05,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225728478] [2024-10-12 23:06:05,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225728478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:06:05,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:06:05,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 23:06:05,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539122153] [2024-10-12 23:06:05,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:06:05,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 23:06:05,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:06:05,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 23:06:05,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:06:05,332 INFO L87 Difference]: Start difference. First operand 2786 states and 4178 transitions. Second operand has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:05,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:06:05,455 INFO L93 Difference]: Finished difference Result 5413 states and 8118 transitions. [2024-10-12 23:06:05,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:06:05,456 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 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 122 [2024-10-12 23:06:05,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:06:05,469 INFO L225 Difference]: With dead ends: 5413 [2024-10-12 23:06:05,469 INFO L226 Difference]: Without dead ends: 2792 [2024-10-12 23:06:05,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:06:05,477 INFO L432 NwaCegarLoop]: 4171 mSDtfsCounter, 4 mSDsluCounter, 8328 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 12499 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 23:06:05,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 12499 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 23:06:05,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2792 states. [2024-10-12 23:06:05,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2792 to 2792. [2024-10-12 23:06:05,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 2791 states have (on average 1.4998208527409531) internal successors, (4186), 2791 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:05,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 4186 transitions. [2024-10-12 23:06:05,559 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 4186 transitions. Word has length 122 [2024-10-12 23:06:05,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:06:05,561 INFO L471 AbstractCegarLoop]: Abstraction has 2792 states and 4186 transitions. [2024-10-12 23:06:05,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 30.5) internal successors, (122), 4 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 4186 transitions. [2024-10-12 23:06:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-12 23:06:05,564 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:06:05,566 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:06:05,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-12 23:06:05,566 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:06:05,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:06:05,567 INFO L85 PathProgramCache]: Analyzing trace with hash 1238790119, now seen corresponding path program 1 times [2024-10-12 23:06:05,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:06:05,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199337408] [2024-10-12 23:06:05,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:06:05,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:06:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:06:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:06:05,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:06:05,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199337408] [2024-10-12 23:06:05,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199337408] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:06:05,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:06:05,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 23:06:05,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136365535] [2024-10-12 23:06:05,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:06:05,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 23:06:05,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:06:05,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 23:06:05,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:06:05,942 INFO L87 Difference]: Start difference. First operand 2792 states and 4186 transitions. Second operand has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:06,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:06:06,069 INFO L93 Difference]: Finished difference Result 5423 states and 8130 transitions. [2024-10-12 23:06:06,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:06:06,069 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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 123 [2024-10-12 23:06:06,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:06:06,079 INFO L225 Difference]: With dead ends: 5423 [2024-10-12 23:06:06,079 INFO L226 Difference]: Without dead ends: 2796 [2024-10-12 23:06:06,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:06:06,087 INFO L432 NwaCegarLoop]: 4171 mSDtfsCounter, 0 mSDsluCounter, 8328 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12499 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-12 23:06:06,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12499 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-12 23:06:06,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2796 states. [2024-10-12 23:06:06,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2796 to 2792. [2024-10-12 23:06:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2792 states, 2791 states have (on average 1.4998208527409531) internal successors, (4186), 2791 states have internal predecessors, (4186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 4186 transitions. [2024-10-12 23:06:06,156 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 4186 transitions. Word has length 123 [2024-10-12 23:06:06,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:06:06,157 INFO L471 AbstractCegarLoop]: Abstraction has 2792 states and 4186 transitions. [2024-10-12 23:06:06,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:06,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 4186 transitions. [2024-10-12 23:06:06,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-10-12 23:06:06,158 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:06:06,159 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:06:06,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-12 23:06:06,159 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:06:06,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:06:06,160 INFO L85 PathProgramCache]: Analyzing trace with hash 656675580, now seen corresponding path program 1 times [2024-10-12 23:06:06,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:06:06,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956088922] [2024-10-12 23:06:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:06:06,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:06:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:06:06,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:06:06,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:06:06,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956088922] [2024-10-12 23:06:06,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956088922] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:06:06,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:06:06,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-12 23:06:06,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063309232] [2024-10-12 23:06:06,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:06:06,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-12 23:06:06,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:06:06,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-12 23:06:06,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:06:06,592 INFO L87 Difference]: Start difference. First operand 2792 states and 4186 transitions. Second operand has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:09,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:06:09,364 INFO L93 Difference]: Finished difference Result 8030 states and 12040 transitions. [2024-10-12 23:06:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-12 23:06:09,365 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 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 124 [2024-10-12 23:06:09,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:06:09,386 INFO L225 Difference]: With dead ends: 8030 [2024-10-12 23:06:09,386 INFO L226 Difference]: Without dead ends: 5403 [2024-10-12 23:06:09,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-12 23:06:09,395 INFO L432 NwaCegarLoop]: 3277 mSDtfsCounter, 4045 mSDsluCounter, 9697 mSDsCounter, 0 mSdLazyCounter, 3475 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4045 SdHoareTripleChecker+Valid, 12974 SdHoareTripleChecker+Invalid, 3476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-10-12 23:06:09,395 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4045 Valid, 12974 Invalid, 3476 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3475 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-10-12 23:06:09,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5403 states. [2024-10-12 23:06:09,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5403 to 2847. [2024-10-12 23:06:09,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2847 states, 2846 states have (on average 1.499297259311314) internal successors, (4267), 2846 states have internal predecessors, (4267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2847 states and 4267 transitions. [2024-10-12 23:06:09,497 INFO L78 Accepts]: Start accepts. Automaton has 2847 states and 4267 transitions. Word has length 124 [2024-10-12 23:06:09,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:06:09,497 INFO L471 AbstractCegarLoop]: Abstraction has 2847 states and 4267 transitions. [2024-10-12 23:06:09,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.8) internal successors, (124), 4 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 2847 states and 4267 transitions. [2024-10-12 23:06:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-10-12 23:06:09,500 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:06:09,500 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:06:09,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-12 23:06:09,501 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:06:09,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:06:09,502 INFO L85 PathProgramCache]: Analyzing trace with hash -883908573, now seen corresponding path program 1 times [2024-10-12 23:06:09,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:06:09,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730159308] [2024-10-12 23:06:09,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:06:09,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:06:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:06:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:06:10,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-12 23:06:10,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730159308] [2024-10-12 23:06:10,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730159308] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:06:10,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:06:10,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-12 23:06:10,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903005761] [2024-10-12 23:06:10,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:06:10,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-12 23:06:10,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-12 23:06:10,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-12 23:06:10,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-10-12 23:06:10,165 INFO L87 Difference]: Start difference. First operand 2847 states and 4267 transitions. Second operand has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:12,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:06:12,596 INFO L93 Difference]: Finished difference Result 5489 states and 8227 transitions. [2024-10-12 23:06:12,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-12 23:06:12,597 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 5 states have internal predecessors, (125), 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 125 [2024-10-12 23:06:12,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:06:12,606 INFO L225 Difference]: With dead ends: 5489 [2024-10-12 23:06:12,607 INFO L226 Difference]: Without dead ends: 2862 [2024-10-12 23:06:12,614 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-10-12 23:06:12,615 INFO L432 NwaCegarLoop]: 3265 mSDtfsCounter, 4078 mSDsluCounter, 9784 mSDsCounter, 0 mSdLazyCounter, 3646 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4078 SdHoareTripleChecker+Valid, 13049 SdHoareTripleChecker+Invalid, 3647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3646 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-12 23:06:12,615 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4078 Valid, 13049 Invalid, 3647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3646 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-12 23:06:12,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2862 states. [2024-10-12 23:06:12,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2862 to 2860. [2024-10-12 23:06:12,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2860 states, 2859 states have (on average 1.4977264777894368) internal successors, (4282), 2859 states have internal predecessors, (4282), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:12,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2860 states to 2860 states and 4282 transitions. [2024-10-12 23:06:12,671 INFO L78 Accepts]: Start accepts. Automaton has 2860 states and 4282 transitions. Word has length 125 [2024-10-12 23:06:12,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:06:12,671 INFO L471 AbstractCegarLoop]: Abstraction has 2860 states and 4282 transitions. [2024-10-12 23:06:12,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 20.833333333333332) internal successors, (125), 5 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:12,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 4282 transitions. [2024-10-12 23:06:12,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-12 23:06:12,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:06:12,675 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:06:12,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-12 23:06:12,675 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:06:12,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:06:12,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1312014947, now seen corresponding path program 1 times [2024-10-12 23:06:12,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-12 23:06:12,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792570453] [2024-10-12 23:06:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:06:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-12 23:06:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 23:06:12,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-12 23:06:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-12 23:06:12,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-12 23:06:12,922 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-12 23:06:12,923 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-12 23:06:12,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-12 23:06:12,927 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-10-12 23:06:13,036 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-12 23:06:13,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.10 11:06:13 BoogieIcfgContainer [2024-10-12 23:06:13,040 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-12 23:06:13,040 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-12 23:06:13,040 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-12 23:06:13,041 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-12 23:06:13,041 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:02" (3/4) ... [2024-10-12 23:06:13,043 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-12 23:06:13,044 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-12 23:06:13,045 INFO L158 Benchmark]: Toolchain (without parser) took 24622.67ms. Allocated memory was 174.1MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 100.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 357.6MB. Max. memory is 16.1GB. [2024-10-12 23:06:13,045 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 23:06:13,045 INFO L158 Benchmark]: CACSL2BoogieTranslator took 961.94ms. Allocated memory is still 174.1MB. Free memory was 100.7MB in the beginning and 82.1MB in the end (delta: 18.6MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2024-10-12 23:06:13,046 INFO L158 Benchmark]: Boogie Procedure Inliner took 1333.44ms. Allocated memory was 174.1MB in the beginning and 343.9MB in the end (delta: 169.9MB). Free memory was 82.1MB in the beginning and 155.2MB in the end (delta: -73.1MB). Peak memory consumption was 149.5MB. Max. memory is 16.1GB. [2024-10-12 23:06:13,046 INFO L158 Benchmark]: Boogie Preprocessor took 1572.71ms. Allocated memory was 343.9MB in the beginning and 708.8MB in the end (delta: 364.9MB). Free memory was 155.2MB in the beginning and 478.5MB in the end (delta: -323.3MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. [2024-10-12 23:06:13,046 INFO L158 Benchmark]: RCFGBuilder took 10404.87ms. Allocated memory was 708.8MB in the beginning and 1.4GB in the end (delta: 708.8MB). Free memory was 478.5MB in the beginning and 798.0MB in the end (delta: -319.5MB). Peak memory consumption was 864.3MB. Max. memory is 16.1GB. [2024-10-12 23:06:13,047 INFO L158 Benchmark]: TraceAbstraction took 10339.28ms. Allocated memory was 1.4GB in the beginning and 2.2GB in the end (delta: 773.8MB). Free memory was 796.9MB in the beginning and 1.8GB in the end (delta: -964.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 23:06:13,047 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 2.2GB. Free memory is still 1.8GB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-12 23:06:13,048 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 961.94ms. Allocated memory is still 174.1MB. Free memory was 100.7MB in the beginning and 82.1MB in the end (delta: 18.6MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1333.44ms. Allocated memory was 174.1MB in the beginning and 343.9MB in the end (delta: 169.9MB). Free memory was 82.1MB in the beginning and 155.2MB in the end (delta: -73.1MB). Peak memory consumption was 149.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1572.71ms. Allocated memory was 343.9MB in the beginning and 708.8MB in the end (delta: 364.9MB). Free memory was 155.2MB in the beginning and 478.5MB in the end (delta: -323.3MB). Peak memory consumption was 81.5MB. Max. memory is 16.1GB. * RCFGBuilder took 10404.87ms. Allocated memory was 708.8MB in the beginning and 1.4GB in the end (delta: 708.8MB). Free memory was 478.5MB in the beginning and 798.0MB in the end (delta: -319.5MB). Peak memory consumption was 864.3MB. Max. memory is 16.1GB. * TraceAbstraction took 10339.28ms. Allocated memory was 1.4GB in the beginning and 2.2GB in the end (delta: 773.8MB). Free memory was 796.9MB in the beginning and 1.8GB in the end (delta: -964.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 2.2GB. Free memory is still 1.8GB. 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 288. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 32); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L35] const SORT_2 var_4 = 0; [L36] const SORT_1 var_25 = 0; [L37] const SORT_3 var_88 = 1; [L38] const SORT_3 var_89 = 0; [L39] const SORT_2 var_98 = 255; [L40] const SORT_2 var_100 = 0; [L41] const SORT_2 var_103 = 2; [L42] const SORT_2 var_107 = 1; [L44] SORT_1 input_99; [L45] SORT_1 input_104; [L46] SORT_1 input_108; [L47] SORT_1 input_111; [L48] SORT_1 input_123; [L49] SORT_1 input_135; [L50] SORT_1 input_147; [L51] SORT_1 input_150; [L52] SORT_1 input_153; [L53] SORT_1 input_156; [L54] SORT_1 input_166; [L55] SORT_1 input_176; [L56] SORT_1 input_186; [L57] SORT_1 input_187; [L58] SORT_1 input_188; [L59] SORT_1 input_189; [L60] SORT_1 input_190; [L61] SORT_1 input_191; [L62] SORT_1 input_215; [L63] SORT_1 input_217; [L64] SORT_1 input_227; [L65] SORT_1 input_232; [L66] SORT_1 input_234; [L67] SORT_1 input_239; [L68] SORT_1 input_243; [L69] SORT_1 input_258; [L70] SORT_1 input_260; [L71] SORT_1 input_270; [L72] SORT_1 input_275; [L73] SORT_1 input_277; [L74] SORT_1 input_282; [L75] SORT_1 input_286; [L76] SORT_1 input_301; [L77] SORT_1 input_303; [L78] SORT_1 input_313; [L79] SORT_1 input_318; [L80] SORT_1 input_320; [L81] SORT_1 input_325; [L82] SORT_1 input_329; [L84] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L84] SORT_2 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L85] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L86] SORT_2 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L87] SORT_2 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L88] SORT_2 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L89] SORT_2 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L90] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L91] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L92] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L93] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L94] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L95] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L96] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L97] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L98] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L99] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L100] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L101] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L102] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L103] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L104] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L105] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L106] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L107] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L108] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L109] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L110] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L111] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L112] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L113] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L114] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L115] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L116] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L117] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L118] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L119] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L120] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L121] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L122] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L123] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L124] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] SORT_2 init_6_arg_1 = var_4; [L127] state_5 = init_6_arg_1 [L128] SORT_2 init_8_arg_1 = var_4; [L129] state_7 = init_8_arg_1 [L130] SORT_2 init_10_arg_1 = var_4; [L131] state_9 = init_10_arg_1 [L132] SORT_2 init_12_arg_1 = var_4; [L133] state_11 = init_12_arg_1 [L134] SORT_2 init_14_arg_1 = var_4; [L135] state_13 = init_14_arg_1 [L136] SORT_2 init_16_arg_1 = var_4; [L137] state_15 = init_16_arg_1 [L138] SORT_2 init_18_arg_1 = var_4; [L139] state_17 = init_18_arg_1 [L140] SORT_2 init_20_arg_1 = var_4; [L141] state_19 = init_20_arg_1 [L142] SORT_2 init_22_arg_1 = var_4; [L143] state_21 = init_22_arg_1 [L144] SORT_2 init_24_arg_1 = var_4; [L145] state_23 = init_24_arg_1 [L146] SORT_1 init_27_arg_1 = var_25; [L147] state_26 = init_27_arg_1 [L148] SORT_1 init_29_arg_1 = var_25; [L149] state_28 = init_29_arg_1 [L150] SORT_1 init_31_arg_1 = var_25; [L151] state_30 = init_31_arg_1 [L152] SORT_1 init_33_arg_1 = var_25; [L153] state_32 = init_33_arg_1 [L154] SORT_1 init_35_arg_1 = var_25; [L155] state_34 = init_35_arg_1 [L156] SORT_1 init_37_arg_1 = var_25; [L157] state_36 = init_37_arg_1 [L158] SORT_1 init_39_arg_1 = var_25; [L159] state_38 = init_39_arg_1 [L160] SORT_1 init_41_arg_1 = var_25; [L161] state_40 = init_41_arg_1 [L162] SORT_1 init_43_arg_1 = var_25; [L163] state_42 = init_43_arg_1 [L164] SORT_1 init_45_arg_1 = var_25; [L165] state_44 = init_45_arg_1 [L166] SORT_1 init_47_arg_1 = var_25; [L167] state_46 = init_47_arg_1 [L168] SORT_1 init_49_arg_1 = var_25; [L169] state_48 = init_49_arg_1 [L170] SORT_1 init_51_arg_1 = var_25; [L171] state_50 = init_51_arg_1 [L172] SORT_1 init_53_arg_1 = var_25; [L173] state_52 = init_53_arg_1 [L174] SORT_1 init_55_arg_1 = var_25; [L175] state_54 = init_55_arg_1 [L176] SORT_1 init_57_arg_1 = var_25; [L177] state_56 = init_57_arg_1 [L178] SORT_1 init_59_arg_1 = var_25; [L179] state_58 = init_59_arg_1 [L180] SORT_1 init_61_arg_1 = var_25; [L181] state_60 = init_61_arg_1 [L182] SORT_1 init_63_arg_1 = var_25; [L183] state_62 = init_63_arg_1 [L184] SORT_1 init_65_arg_1 = var_25; [L185] state_64 = init_65_arg_1 [L186] SORT_1 init_67_arg_1 = var_25; [L187] state_66 = init_67_arg_1 [L188] SORT_1 init_69_arg_1 = var_25; [L189] state_68 = init_69_arg_1 [L190] SORT_1 init_71_arg_1 = var_25; [L191] state_70 = init_71_arg_1 [L192] SORT_1 init_73_arg_1 = var_25; [L193] state_72 = init_73_arg_1 [L194] SORT_1 init_75_arg_1 = var_25; [L195] state_74 = init_75_arg_1 [L196] SORT_1 init_77_arg_1 = var_25; [L197] state_76 = init_77_arg_1 [L198] SORT_1 init_79_arg_1 = var_25; [L199] state_78 = init_79_arg_1 [L200] SORT_1 init_81_arg_1 = var_25; [L201] state_80 = init_81_arg_1 [L202] SORT_1 init_83_arg_1 = var_25; [L203] state_82 = init_83_arg_1 [L204] SORT_1 init_85_arg_1 = var_25; [L205] state_84 = init_85_arg_1 [L206] SORT_1 init_87_arg_1 = var_25; [L207] state_86 = init_87_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L210] input_99 = __VERIFIER_nondet_uchar() [L211] input_104 = __VERIFIER_nondet_uchar() [L212] input_108 = __VERIFIER_nondet_uchar() [L213] input_111 = __VERIFIER_nondet_uchar() [L214] EXPR input_111 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L214] input_111 = input_111 & mask_SORT_1 [L215] input_123 = __VERIFIER_nondet_uchar() [L216] EXPR input_123 & mask_SORT_1 VAL [input_111=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L216] input_123 = input_123 & mask_SORT_1 [L217] input_135 = __VERIFIER_nondet_uchar() [L218] EXPR input_135 & mask_SORT_1 VAL [input_111=0, input_123=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L218] input_135 = input_135 & mask_SORT_1 [L219] input_147 = __VERIFIER_nondet_uchar() [L220] input_150 = __VERIFIER_nondet_uchar() [L221] input_153 = __VERIFIER_nondet_uchar() [L222] input_156 = __VERIFIER_nondet_uchar() [L223] EXPR input_156 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L223] input_156 = input_156 & mask_SORT_1 [L224] input_166 = __VERIFIER_nondet_uchar() [L225] EXPR input_166 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L225] input_166 = input_166 & mask_SORT_1 [L226] input_176 = __VERIFIER_nondet_uchar() [L227] EXPR input_176 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L227] input_176 = input_176 & mask_SORT_1 [L228] input_186 = __VERIFIER_nondet_uchar() [L229] EXPR input_186 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L229] input_186 = input_186 & mask_SORT_1 [L230] input_187 = __VERIFIER_nondet_uchar() [L231] EXPR input_187 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L231] input_187 = input_187 & mask_SORT_1 [L232] input_188 = __VERIFIER_nondet_uchar() [L233] EXPR input_188 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L233] input_188 = input_188 & mask_SORT_1 [L234] input_189 = __VERIFIER_nondet_uchar() [L235] EXPR input_189 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L235] input_189 = input_189 & mask_SORT_1 [L236] input_190 = __VERIFIER_nondet_uchar() [L237] EXPR input_190 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L237] input_190 = input_190 & mask_SORT_1 [L238] input_191 = __VERIFIER_nondet_uchar() [L239] EXPR input_191 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L239] input_191 = input_191 & mask_SORT_1 [L240] input_215 = __VERIFIER_nondet_uchar() [L241] input_217 = __VERIFIER_nondet_uchar() [L242] input_227 = __VERIFIER_nondet_uchar() [L243] input_232 = __VERIFIER_nondet_uchar() [L244] input_234 = __VERIFIER_nondet_uchar() [L245] input_239 = __VERIFIER_nondet_uchar() [L246] input_243 = __VERIFIER_nondet_uchar() [L247] input_258 = __VERIFIER_nondet_uchar() [L248] input_260 = __VERIFIER_nondet_uchar() [L249] input_270 = __VERIFIER_nondet_uchar() [L250] input_275 = __VERIFIER_nondet_uchar() [L251] input_277 = __VERIFIER_nondet_uchar() [L252] input_282 = __VERIFIER_nondet_uchar() [L253] input_286 = __VERIFIER_nondet_uchar() [L254] input_301 = __VERIFIER_nondet_uchar() [L255] input_303 = __VERIFIER_nondet_uchar() [L256] input_313 = __VERIFIER_nondet_uchar() [L257] input_318 = __VERIFIER_nondet_uchar() [L258] input_320 = __VERIFIER_nondet_uchar() [L259] input_325 = __VERIFIER_nondet_uchar() [L260] input_329 = __VERIFIER_nondet_uchar() [L263] SORT_1 var_90_arg_0 = state_38; [L264] SORT_3 var_90_arg_1 = var_88; [L265] SORT_3 var_90_arg_2 = var_89; [L266] SORT_3 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L267] SORT_1 var_91_arg_0 = state_58; [L268] SORT_3 var_91_arg_1 = var_88; [L269] SORT_3 var_91_arg_2 = var_89; [L270] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L271] SORT_3 var_92_arg_0 = var_90; [L272] SORT_3 var_92_arg_1 = var_91; [L273] SORT_3 var_92 = var_92_arg_0 + var_92_arg_1; [L274] SORT_1 var_93_arg_0 = state_78; [L275] SORT_3 var_93_arg_1 = var_88; [L276] SORT_3 var_93_arg_2 = var_89; [L277] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L278] SORT_3 var_94_arg_0 = var_92; [L279] SORT_3 var_94_arg_1 = var_93; [L280] SORT_3 var_94 = var_94_arg_0 + var_94_arg_1; VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_94=0, var_98=255] [L281] EXPR var_94 & mask_SORT_3 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L281] var_94 = var_94 & mask_SORT_3 [L282] SORT_3 var_95_arg_0 = var_94; [L283] SORT_3 var_95_arg_1 = var_88; [L284] SORT_1 var_95 = var_95_arg_0 <= var_95_arg_1; [L285] SORT_1 var_96_arg_0 = ~state_86; VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_95=1, var_96_arg_0=-1, var_98=255] [L286] EXPR var_96_arg_0 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_95=1, var_98=255] [L286] var_96_arg_0 = var_96_arg_0 & mask_SORT_1 [L287] SORT_1 var_96_arg_1 = ~var_95; VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_96_arg_0=1, var_96_arg_1=-2, var_98=255] [L288] EXPR var_96_arg_1 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_96_arg_0=1, var_98=255] [L288] var_96_arg_1 = var_96_arg_1 & mask_SORT_1 [L289] EXPR var_96_arg_0 & var_96_arg_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L289] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L290] EXPR var_96 & mask_SORT_1 VAL [input_111=0, input_123=0, input_135=0, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=-1, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_5=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_7=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_88=1, var_89=0, var_98=255] [L290] var_96 = var_96 & mask_SORT_1 [L291] SORT_1 bad_97_arg_0 = var_96; [L292] CALL __VERIFIER_assert(!(bad_97_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2783 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.1s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8127 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8127 mSDsluCounter, 76034 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52808 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7195 IncrementalHoareTripleChecker+Invalid, 7198 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 23226 mSDtfsCounter, 7195 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2860occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 2562 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 861 NumberOfCodeBlocks, 861 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 729 ConstructedInterpolants, 0 QuantifiedInterpolants, 2125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-12 23:06:13,089 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-12 23:06:15,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-12 23:06:15,710 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-10-12 23:06:15,717 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-12 23:06:15,717 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-12 23:06:15,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-12 23:06:15,755 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-12 23:06:15,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-12 23:06:15,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-12 23:06:15,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-12 23:06:15,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-12 23:06:15,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-12 23:06:15,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-12 23:06:15,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-12 23:06:15,763 INFO L153 SettingsManager]: * Use SBE=true [2024-10-12 23:06:15,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-12 23:06:15,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-12 23:06:15,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-12 23:06:15,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-12 23:06:15,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-12 23:06:15,765 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-12 23:06:15,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-12 23:06:15,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-12 23:06:15,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-12 23:06:15,769 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-12 23:06:15,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-12 23:06:15,770 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-12 23:06:15,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-12 23:06:15,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-12 23:06:15,771 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-12 23:06:15,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-12 23:06:15,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:06:15,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-12 23:06:15,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-12 23:06:15,772 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-12 23:06:15,772 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-12 23:06:15,774 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-12 23:06:15,775 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-12 23:06:15,775 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-12 23:06:15,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-12 23:06:15,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-12 23:06:15,776 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-12 23:06:15,776 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 962be9cd8b592d9cbf1ca24e2eb1efd6754550bace2271743b15f2e4c8026f80 [2024-10-12 23:06:16,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-12 23:06:16,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-12 23:06:16,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-12 23:06:16,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-12 23:06:16,193 INFO L274 PluginConnector]: CDTParser initialized [2024-10-12 23:06:16,194 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-10-12 23:06:17,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-12 23:06:18,122 INFO L384 CDTParser]: Found 1 translation units. [2024-10-12 23:06:18,123 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-10-12 23:06:18,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5fe31ae/b067026a295f4f6193a7f3c1a77924df/FLAG963b635d2 [2024-10-12 23:06:18,353 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc5fe31ae/b067026a295f4f6193a7f3c1a77924df [2024-10-12 23:06:18,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-12 23:06:18,356 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-12 23:06:18,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-12 23:06:18,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-12 23:06:18,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-12 23:06:18,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:06:18" (1/1) ... [2024-10-12 23:06:18,365 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38640c1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:18, skipping insertion in model container [2024-10-12 23:06:18,365 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 11:06:18" (1/1) ... [2024-10-12 23:06:18,445 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-12 23:06:18,679 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.mcs.1.prop1-func-interl.c[1170,1183] [2024-10-12 23:06:19,064 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:06:19,077 INFO L200 MainTranslator]: Completed pre-run [2024-10-12 23:06:19,090 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.mcs.1.prop1-func-interl.c[1170,1183] [2024-10-12 23:06:19,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-12 23:06:19,243 INFO L204 MainTranslator]: Completed translation [2024-10-12 23:06:19,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19 WrapperNode [2024-10-12 23:06:19,244 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-12 23:06:19,245 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-12 23:06:19,245 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-12 23:06:19,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-12 23:06:19,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,305 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,405 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2352 [2024-10-12 23:06:19,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-12 23:06:19,406 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-12 23:06:19,406 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-12 23:06:19,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-12 23:06:19,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,532 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-12 23:06:19,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,537 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,630 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,658 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-12 23:06:19,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-12 23:06:19,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-12 23:06:19,660 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-12 23:06:19,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (1/1) ... [2024-10-12 23:06:19,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-12 23:06:19,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-12 23:06:19,694 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-12 23:06:19,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-12 23:06:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-12 23:06:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-10-12 23:06:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-12 23:06:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-12 23:06:20,180 INFO L238 CfgBuilder]: Building ICFG [2024-10-12 23:06:20,183 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-12 23:06:22,411 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-10-12 23:06:22,411 INFO L287 CfgBuilder]: Performing block encoding [2024-10-12 23:06:22,499 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-12 23:06:22,500 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-12 23:06:22,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:22 BoogieIcfgContainer [2024-10-12 23:06:22,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-12 23:06:22,502 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-12 23:06:22,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-12 23:06:22,506 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-12 23:06:22,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 11:06:18" (1/3) ... [2024-10-12 23:06:22,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19119033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:22, skipping insertion in model container [2024-10-12 23:06:22,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 11:06:19" (2/3) ... [2024-10-12 23:06:22,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19119033 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 11:06:22, skipping insertion in model container [2024-10-12 23:06:22,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 11:06:22" (3/3) ... [2024-10-12 23:06:22,510 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.1.prop1-func-interl.c [2024-10-12 23:06:22,527 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-12 23:06:22,527 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-12 23:06:22,585 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-12 23:06:22,591 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;@6e3be7ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-12 23:06:22,592 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-12 23:06:22,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:22,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-12 23:06:22,600 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:06:22,600 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-12 23:06:22,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:06:22,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:06:22,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1614770, now seen corresponding path program 1 times [2024-10-12 23:06:22,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 23:06:22,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087884670] [2024-10-12 23:06:22,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:06:22,616 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 23:06:22,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 23:06:22,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 23:06:22,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-12 23:06:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:06:23,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-10-12 23:06:23,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-12 23:06:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-12 23:06:23,371 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-12 23:06:23,372 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-12 23:06:23,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087884670] [2024-10-12 23:06:23,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087884670] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-12 23:06:23,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-12 23:06:23,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-12 23:06:23,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959093813] [2024-10-12 23:06:23,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-12 23:06:23,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-12 23:06:23,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-12 23:06:23,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-12 23:06:23,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-12 23:06:23,408 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:23,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-12 23:06:23,596 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-10-12 23:06:23,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-12 23:06:23,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-10-12 23:06:23,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-12 23:06:23,606 INFO L225 Difference]: With dead ends: 15 [2024-10-12 23:06:23,606 INFO L226 Difference]: Without dead ends: 9 [2024-10-12 23:06:23,609 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-12 23:06:23,615 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-12 23:06:23,616 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-12 23:06:23,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-10-12 23:06:23,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-10-12 23:06:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-10-12 23:06:23,643 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-10-12 23:06:23,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-12 23:06:23,643 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-10-12 23:06:23,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-12 23:06:23,643 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-10-12 23:06:23,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-12 23:06:23,644 INFO L207 NwaCegarLoop]: Found error trace [2024-10-12 23:06:23,644 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-10-12 23:06:23,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-12 23:06:23,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 23:06:23,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-12 23:06:23,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-12 23:06:23,846 INFO L85 PathProgramCache]: Analyzing trace with hash 865745430, now seen corresponding path program 1 times [2024-10-12 23:06:23,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-12 23:06:23,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2140418849] [2024-10-12 23:06:23,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-12 23:06:23,849 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-12 23:06:23,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-12 23:06:23,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-12 23:06:23,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-12 23:06:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-12 23:06:24,513 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-10-12 23:06:24,535 INFO L278 TraceCheckSpWp]: Computing forward predicates...