./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.eq_sdp_v3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 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.eq_sdp_v3.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 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 01:08:25,111 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 01:08:25,193 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 01:08:25,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 01:08:25,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 01:08:25,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 01:08:25,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 01:08:25,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 01:08:25,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 01:08:25,227 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 01:08:25,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 01:08:25,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 01:08:25,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 01:08:25,229 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 01:08:25,230 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 01:08:25,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 01:08:25,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 01:08:25,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 01:08:25,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 01:08:25,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 01:08:25,232 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 01:08:25,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 01:08:25,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 01:08:25,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 01:08:25,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 01:08:25,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 01:08:25,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 01:08:25,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 01:08:25,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 01:08:25,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 01:08:25,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 01:08:25,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 01:08:25,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 01:08:25,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 01:08:25,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 01:08:25,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 01:08:25,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 01:08:25,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 01:08:25,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 01:08:25,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 [2024-11-20 01:08:25,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 01:08:25,520 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 01:08:25,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 01:08:25,525 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 01:08:25,525 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 01:08:25,526 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-20 01:08:26,987 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 01:08:27,212 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 01:08:27,213 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-20 01:08:27,223 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a7837a5c/29629e7980444ac0aaad905be11967a6/FLAG02285fce7 [2024-11-20 01:08:27,235 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a7837a5c/29629e7980444ac0aaad905be11967a6 [2024-11-20 01:08:27,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 01:08:27,239 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 01:08:27,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 01:08:27,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 01:08:27,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 01:08:27,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24614dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27, skipping insertion in model container [2024-11-20 01:08:27,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,279 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 01:08:27,453 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2024-11-20 01:08:27,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 01:08:27,549 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 01:08:27,558 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2024-11-20 01:08:27,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 01:08:27,634 INFO L204 MainTranslator]: Completed translation [2024-11-20 01:08:27,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27 WrapperNode [2024-11-20 01:08:27,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 01:08:27,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 01:08:27,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 01:08:27,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 01:08:27,647 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,720 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 420 [2024-11-20 01:08:27,721 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 01:08:27,721 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 01:08:27,722 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 01:08:27,722 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 01:08:27,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,733 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,743 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,773 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]. [2024-11-20 01:08:27,773 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,774 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,837 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 01:08:27,879 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 01:08:27,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 01:08:27,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 01:08:27,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (1/1) ... [2024-11-20 01:08:27,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 01:08:27,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 01:08:27,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 01:08:27,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 01:08:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 01:08:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 01:08:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 01:08:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 01:08:28,095 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 01:08:28,098 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 01:08:28,726 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-20 01:08:28,727 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 01:08:28,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 01:08:28,744 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 01:08:28,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:08:28 BoogieIcfgContainer [2024-11-20 01:08:28,745 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 01:08:28,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 01:08:28,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 01:08:28,752 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 01:08:28,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:08:27" (1/3) ... [2024-11-20 01:08:28,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e5d9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:08:28, skipping insertion in model container [2024-11-20 01:08:28,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:27" (2/3) ... [2024-11-20 01:08:28,753 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72e5d9be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:08:28, skipping insertion in model container [2024-11-20 01:08:28,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:08:28" (3/3) ... [2024-11-20 01:08:28,755 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2024-11-20 01:08:28,772 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 01:08:28,773 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 01:08:28,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 01:08:28,846 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;@2c9a12ad, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 01:08:28,847 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 01:08:28,852 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:28,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-20 01:08:28,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:08:28,861 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] [2024-11-20 01:08:28,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:08:28,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:08:28,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1381663579, now seen corresponding path program 1 times [2024-11-20 01:08:28,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:08:28,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404740246] [2024-11-20 01:08:28,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:08:28,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:08:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:08:29,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:08:29,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 01:08:29,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404740246] [2024-11-20 01:08:29,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404740246] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:08:29,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:08:29,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 01:08:29,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712770071] [2024-11-20 01:08:29,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:08:29,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 01:08:29,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 01:08:29,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 01:08:29,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:08:29,559 INFO L87 Difference]: Start difference. First operand has 94 states, 92 states have (on average 1.4891304347826086) internal successors, (137), 93 states have internal predecessors, (137), 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 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:29,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:08:29,603 INFO L93 Difference]: Finished difference Result 137 states and 201 transitions. [2024-11-20 01:08:29,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 01:08:29,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2024-11-20 01:08:29,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:08:29,620 INFO L225 Difference]: With dead ends: 137 [2024-11-20 01:08:29,620 INFO L226 Difference]: Without dead ends: 93 [2024-11-20 01:08:29,623 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:08:29,627 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 01:08:29,629 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 387 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 01:08:29,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-20 01:08:29,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-20 01:08:29,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 92 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:29,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 135 transitions. [2024-11-20 01:08:29,667 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 135 transitions. Word has length 39 [2024-11-20 01:08:29,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:08:29,667 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 135 transitions. [2024-11-20 01:08:29,668 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:29,668 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 135 transitions. [2024-11-20 01:08:29,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-20 01:08:29,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:08:29,670 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] [2024-11-20 01:08:29,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 01:08:29,670 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:08:29,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:08:29,671 INFO L85 PathProgramCache]: Analyzing trace with hash -116406637, now seen corresponding path program 1 times [2024-11-20 01:08:29,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:08:29,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079478040] [2024-11-20 01:08:29,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:08:29,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:08:29,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:08:29,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:08:29,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 01:08:29,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079478040] [2024-11-20 01:08:29,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079478040] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:08:29,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:08:29,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 01:08:29,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102135259] [2024-11-20 01:08:29,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:08:29,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 01:08:29,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 01:08:29,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 01:08:29,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:08:29,921 INFO L87 Difference]: Start difference. First operand 93 states and 135 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:29,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:08:29,971 INFO L93 Difference]: Finished difference Result 138 states and 199 transitions. [2024-11-20 01:08:29,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 01:08:29,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 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 40 [2024-11-20 01:08:29,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:08:29,973 INFO L225 Difference]: With dead ends: 138 [2024-11-20 01:08:29,974 INFO L226 Difference]: Without dead ends: 95 [2024-11-20 01:08:29,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:08:29,976 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 0 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 383 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 01:08:29,977 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 383 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 01:08:29,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-20 01:08:29,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-20 01:08:29,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 94 states have (on average 1.4574468085106382) internal successors, (137), 94 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:29,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 137 transitions. [2024-11-20 01:08:29,992 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 137 transitions. Word has length 40 [2024-11-20 01:08:29,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:08:29,994 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 137 transitions. [2024-11-20 01:08:29,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:29,995 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 137 transitions. [2024-11-20 01:08:29,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-20 01:08:29,996 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:08:29,996 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] [2024-11-20 01:08:29,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 01:08:29,997 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:08:29,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:08:30,001 INFO L85 PathProgramCache]: Analyzing trace with hash -411604172, now seen corresponding path program 1 times [2024-11-20 01:08:30,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:08:30,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073235911] [2024-11-20 01:08:30,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:08:30,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:08:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:08:30,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:08:30,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 01:08:30,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073235911] [2024-11-20 01:08:30,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073235911] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:08:30,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:08:30,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 01:08:30,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045664239] [2024-11-20 01:08:30,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:08:30,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 01:08:30,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 01:08:30,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 01:08:30,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 01:08:30,269 INFO L87 Difference]: Start difference. First operand 95 states and 137 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:30,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:08:30,319 INFO L93 Difference]: Finished difference Result 138 states and 198 transitions. [2024-11-20 01:08:30,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 01:08:30,320 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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 41 [2024-11-20 01:08:30,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:08:30,321 INFO L225 Difference]: With dead ends: 138 [2024-11-20 01:08:30,321 INFO L226 Difference]: Without dead ends: 93 [2024-11-20 01:08:30,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-20 01:08:30,323 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 101 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 01:08:30,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 372 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 01:08:30,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-20 01:08:30,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-20 01:08:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 92 states have (on average 1.4456521739130435) internal successors, (133), 92 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 133 transitions. [2024-11-20 01:08:30,334 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 133 transitions. Word has length 41 [2024-11-20 01:08:30,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:08:30,334 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 133 transitions. [2024-11-20 01:08:30,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 133 transitions. [2024-11-20 01:08:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-20 01:08:30,336 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:08:30,337 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] [2024-11-20 01:08:30,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 01:08:30,337 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:08:30,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:08:30,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1689717878, now seen corresponding path program 1 times [2024-11-20 01:08:30,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 01:08:30,338 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961040493] [2024-11-20 01:08:30,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:08:30,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 01:08:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 01:08:30,366 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 01:08:30,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 01:08:30,436 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 01:08:30,436 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 01:08:30,438 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 01:08:30,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 01:08:30,444 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-20 01:08:30,485 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 01:08:30,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:08:30 BoogieIcfgContainer [2024-11-20 01:08:30,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 01:08:30,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 01:08:30,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 01:08:30,494 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 01:08:30,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:08:28" (3/4) ... [2024-11-20 01:08:30,498 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 01:08:30,499 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 01:08:30,500 INFO L158 Benchmark]: Toolchain (without parser) took 3260.23ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 97.9MB in the beginning and 65.7MB in the end (delta: 32.3MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2024-11-20 01:08:30,500 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 01:08:30,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.85ms. Allocated memory is still 155.2MB. Free memory was 97.9MB in the beginning and 79.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 01:08:30,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.62ms. Allocated memory is still 155.2MB. Free memory was 79.6MB in the beginning and 70.7MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-20 01:08:30,503 INFO L158 Benchmark]: Boogie Preprocessor took 155.71ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 70.7MB in the beginning and 182.3MB in the end (delta: -111.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-11-20 01:08:30,506 INFO L158 Benchmark]: RCFGBuilder took 867.02ms. Allocated memory is still 216.0MB. Free memory was 182.3MB in the beginning and 130.9MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-20 01:08:30,506 INFO L158 Benchmark]: TraceAbstraction took 1745.30ms. Allocated memory is still 216.0MB. Free memory was 129.9MB in the beginning and 65.7MB in the end (delta: 64.2MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2024-11-20 01:08:30,507 INFO L158 Benchmark]: Witness Printer took 5.44ms. Allocated memory is still 216.0MB. Free memory is still 65.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 01:08:30,508 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.85ms. Allocated memory is still 155.2MB. Free memory was 97.9MB in the beginning and 79.6MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.62ms. Allocated memory is still 155.2MB. Free memory was 79.6MB in the beginning and 70.7MB in the end (delta: 9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 155.71ms. Allocated memory was 155.2MB in the beginning and 216.0MB in the end (delta: 60.8MB). Free memory was 70.7MB in the beginning and 182.3MB in the end (delta: -111.7MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. * RCFGBuilder took 867.02ms. Allocated memory is still 216.0MB. Free memory was 182.3MB in the beginning and 130.9MB in the end (delta: 51.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1745.30ms. Allocated memory is still 216.0MB. Free memory was 129.9MB in the beginning and 65.7MB in the end (delta: 64.2MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Witness Printer took 5.44ms. Allocated memory is still 216.0MB. Free memory is still 65.7MB. 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 102. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=255, mask_SORT_5=1, var_10=0, var_18=1, var_28=0] [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] EXPR input_7 & mask_SORT_5 VAL [mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] EXPR input_8 & mask_SORT_5 VAL [input_7=0, mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] EXPR input_9 & mask_SORT_5 VAL [input_7=0, input_8=0, mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; VAL [input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_20_arg_0=1, var_20_arg_1=-2, var_28=0] [L102] EXPR var_20_arg_0 & var_20_arg_1 VAL [input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] EXPR var_20 & mask_SORT_5 VAL [input_7=0, input_8=0, input_9=0, mask_SORT_1=255, mask_SORT_5=1, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 101 mSDsluCounter, 1142 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 755 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 387 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 01:08:30,530 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.eq_sdp_v3.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 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 01:08:32,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 01:08:32,847 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-20 01:08:32,851 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 01:08:32,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 01:08:32,883 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 01:08:32,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 01:08:32,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 01:08:32,887 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 01:08:32,888 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 01:08:32,888 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 01:08:32,888 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 01:08:32,889 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 01:08:32,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 01:08:32,890 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 01:08:32,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 01:08:32,892 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 01:08:32,892 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 01:08:32,892 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 01:08:32,893 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 01:08:32,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 01:08:32,897 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 01:08:32,897 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 01:08:32,897 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 01:08:32,897 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 01:08:32,897 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 01:08:32,898 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 01:08:32,898 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 01:08:32,898 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 01:08:32,898 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 01:08:32,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 01:08:32,899 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 01:08:32,899 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 01:08:32,899 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 01:08:32,899 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 01:08:32,899 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 01:08:32,900 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 01:08:32,900 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 01:08:32,901 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 01:08:32,902 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 01:08:32,902 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 01:08:32,903 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 [2024-11-20 01:08:33,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 01:08:33,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 01:08:33,274 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 01:08:33,275 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 01:08:33,276 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 01:08:33,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-20 01:08:34,724 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 01:08:34,982 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 01:08:34,983 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-20 01:08:34,995 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed18665ad/e074bc705eaa4731bb6403508148d749/FLAG0438d1ebf [2024-11-20 01:08:35,295 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed18665ad/e074bc705eaa4731bb6403508148d749 [2024-11-20 01:08:35,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 01:08:35,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 01:08:35,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 01:08:35,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 01:08:35,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 01:08:35,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56d74387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35, skipping insertion in model container [2024-11-20 01:08:35,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,332 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 01:08:35,514 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2024-11-20 01:08:35,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 01:08:35,621 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 01:08:35,659 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2024-11-20 01:08:35,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 01:08:35,809 INFO L204 MainTranslator]: Completed translation [2024-11-20 01:08:35,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35 WrapperNode [2024-11-20 01:08:35,810 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 01:08:35,811 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 01:08:35,811 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 01:08:35,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 01:08:35,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,880 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 252 [2024-11-20 01:08:35,882 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 01:08:35,882 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 01:08:35,884 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 01:08:35,884 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 01:08:35,894 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,903 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,930 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]. [2024-11-20 01:08:35,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,946 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,949 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,951 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 01:08:35,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 01:08:35,957 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 01:08:35,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 01:08:35,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (1/1) ... [2024-11-20 01:08:35,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 01:08:35,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 01:08:35,993 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 01:08:36,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 01:08:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 01:08:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-20 01:08:36,045 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 01:08:36,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 01:08:36,176 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 01:08:36,178 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 01:08:36,508 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-20 01:08:36,509 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 01:08:36,531 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 01:08:36,531 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 01:08:36,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:08:36 BoogieIcfgContainer [2024-11-20 01:08:36,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 01:08:36,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 01:08:36,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 01:08:36,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 01:08:36,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:08:35" (1/3) ... [2024-11-20 01:08:36,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d4b4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:08:36, skipping insertion in model container [2024-11-20 01:08:36,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:08:35" (2/3) ... [2024-11-20 01:08:36,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17d4b4b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:08:36, skipping insertion in model container [2024-11-20 01:08:36,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:08:36" (3/3) ... [2024-11-20 01:08:36,547 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2024-11-20 01:08:36,564 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 01:08:36,564 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 01:08:36,633 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 01:08:36,640 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;@36cc5dc8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 01:08:36,640 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 01:08:36,645 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:36,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 01:08:36,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:08:36,653 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 01:08:36,655 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:08:36,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:08:36,663 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-20 01:08:36,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 01:08:36,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211800604] [2024-11-20 01:08:36,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:08:36,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:08:36,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 01:08:36,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 01:08:36,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 01:08:36,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:08:36,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-20 01:08:36,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 01:08:37,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:08:37,034 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 01:08:37,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 01:08:37,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211800604] [2024-11-20 01:08:37,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211800604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 01:08:37,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 01:08:37,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 01:08:37,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606348192] [2024-11-20 01:08:37,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 01:08:37,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 01:08:37,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 01:08:37,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 01:08:37,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:08:37,069 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:37,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:08:37,106 INFO L93 Difference]: Finished difference Result 17 states and 22 transitions. [2024-11-20 01:08:37,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 01:08:37,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2024-11-20 01:08:37,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:08:37,118 INFO L225 Difference]: With dead ends: 17 [2024-11-20 01:08:37,118 INFO L226 Difference]: Without dead ends: 9 [2024-11-20 01:08:37,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 01:08:37,124 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 01:08:37,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 01:08:37,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-20 01:08:37,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-20 01:08:37,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:37,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-20 01:08:37,154 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-20 01:08:37,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:08:37,154 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-20 01:08:37,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:37,156 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-20 01:08:37,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 01:08:37,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:08:37,157 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-20 01:08:37,161 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-20 01:08:37,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:08:37,360 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:08:37,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:08:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-20 01:08:37,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 01:08:37,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1660150951] [2024-11-20 01:08:37,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 01:08:37,363 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:08:37,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 01:08:37,366 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 01:08:37,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 01:08:37,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 01:08:37,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-20 01:08:37,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 01:08:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:08:37,732 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 01:08:42,821 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:08:42,822 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 01:08:42,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1660150951] [2024-11-20 01:08:42,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1660150951] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 01:08:42,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 01:08:42,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2024-11-20 01:08:42,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417907605] [2024-11-20 01:08:42,823 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 01:08:42,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 01:08:42,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 01:08:42,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 01:08:42,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=39, Unknown=1, NotChecked=0, Total=56 [2024-11-20 01:08:42,825 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:43,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:08:43,475 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-20 01:08:43,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 01:08:43,476 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-20 01:08:43,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:08:43,477 INFO L225 Difference]: With dead ends: 14 [2024-11-20 01:08:43,477 INFO L226 Difference]: Without dead ends: 12 [2024-11-20 01:08:43,478 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=28, Invalid=61, Unknown=1, NotChecked=0, Total=90 [2024-11-20 01:08:43,479 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-20 01:08:43,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 22 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-20 01:08:43,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-20 01:08:43,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-20 01:08:43,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:43,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-20 01:08:43,486 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-20 01:08:43,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:08:43,486 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-20 01:08:43,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:08:43,487 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-20 01:08:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-20 01:08:43,488 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:08:43,488 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-20 01:08:43,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-20 01:08:43,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:08:43,692 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:08:43,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:08:43,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-20 01:08:43,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 01:08:43,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866985525] [2024-11-20 01:08:43,694 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 01:08:43,694 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:08:43,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 01:08:43,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 01:08:43,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-20 01:08:43,846 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 01:08:43,847 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 01:08:43,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-20 01:08:43,859 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 01:08:46,261 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 01:08:46,262 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 01:09:01,297 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|))) (let ((.cse8 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_31~0#1|))) .cse23)))) (.cse9 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_26~0#1|)))) (.cse1 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_16| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_16|))))))))) (.cse7 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_16| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_16|))))))))) (.cse13 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)))) .cse23))))) (let ((.cse0 (not .cse13)) (.cse14 (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_10~0#1|))))) (let ((.cse21 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_28~0#1|))) .cse23)) (_ bv0 8))) (.cse20 ((_ zero_extend 24) ((_ extract 7 0) .cse18)))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvmul .cse18 (_ bv2 32)))))))) .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 .cse20)))))) .cse21 .cse7) .cse1 (or (not .cse21) (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse18 (bvneg .cse18)))))))) .cse22))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse20)))))) .cse7))))) (.cse3 (bvneg .cse9)) (.cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_40~0#1|)))))) (.cse6 (not .cse8)) (.cse11 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|)) (.cse12 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_22~0#1|))) (and (or .cse0 (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse11) .cse12))))))))) (and .cse1 (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 .cse3))))))) .cse4))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse4)))))) .cse6 .cse7) (or .cse8 .cse7 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse2 .cse9))))))) .cse10))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse10)))))))))) (or .cse13 .cse14) (or .cse0 .cse14) (or .cse13 (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse12))))))))) (and .cse1 (or .cse8 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 .cse9))))))) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse16)))))) .cse7) (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 .cse3))))))) .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse17)))))) .cse6 .cse7)))))))) is different from false [2024-11-20 01:09:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2024-11-20 01:09:04,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 01:09:04,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1866985525] [2024-11-20 01:09:04,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1866985525] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 01:09:04,276 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-20 01:09:04,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-20 01:09:04,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975299876] [2024-11-20 01:09:04,277 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-20 01:09:04,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 01:09:04,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 01:09:04,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 01:09:04,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=54, Unknown=2, NotChecked=14, Total=90 [2024-11-20 01:09:04,279 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:09:09,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 01:09:09,104 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-20 01:09:09,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 01:09:09,105 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 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 11 [2024-11-20 01:09:09,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 01:09:09,106 INFO L225 Difference]: With dead ends: 17 [2024-11-20 01:09:09,106 INFO L226 Difference]: Without dead ends: 15 [2024-11-20 01:09:09,107 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=55, Invalid=129, Unknown=2, NotChecked=24, Total=210 [2024-11-20 01:09:09,108 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 01:09:09,108 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 8 Unchecked, 0.5s Time] [2024-11-20 01:09:09,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-20 01:09:09,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-20 01:09:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:09:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-20 01:09:09,113 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2024-11-20 01:09:09,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 01:09:09,113 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-20 01:09:09,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-20 01:09:09,114 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-20 01:09:09,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-20 01:09:09,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 01:09:09,115 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-20 01:09:09,120 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 (4)] Ended with exit code 0 [2024-11-20 01:09:09,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:09:09,316 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 01:09:09,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 01:09:09,317 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 3 times [2024-11-20 01:09:09,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 01:09:09,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1899170251] [2024-11-20 01:09:09,317 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 01:09:09,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:09:09,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 01:09:09,319 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 01:09:09,320 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 (5)] Waiting until timeout for monitored process [2024-11-20 01:09:09,524 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-20 01:09:09,525 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-20 01:09:09,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 01:09:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 01:09:09,820 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-20 01:09:09,821 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 01:09:09,822 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-20 01:09:09,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2024-11-20 01:09:10,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 01:09:10,032 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-20 01:09:10,089 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 01:09:10,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 01:09:10 BoogieIcfgContainer [2024-11-20 01:09:10,092 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 01:09:10,093 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 01:09:10,093 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 01:09:10,093 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 01:09:10,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:08:36" (3/4) ... [2024-11-20 01:09:10,096 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-20 01:09:10,219 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-20 01:09:10,220 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 01:09:10,220 INFO L158 Benchmark]: Toolchain (without parser) took 34922.37ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 42.2MB in the beginning and 28.0MB in the end (delta: 14.2MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2024-11-20 01:09:10,221 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 01:09:10,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.81ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 42.0MB in the beginning and 66.8MB in the end (delta: -24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 01:09:10,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.22ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 63.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 01:09:10,221 INFO L158 Benchmark]: Boogie Preprocessor took 73.48ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 60.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 01:09:10,221 INFO L158 Benchmark]: RCFGBuilder took 579.02ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.1MB in the end (delta: 496.8kB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-11-20 01:09:10,222 INFO L158 Benchmark]: TraceAbstraction took 33554.91ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 37.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-11-20 01:09:10,222 INFO L158 Benchmark]: Witness Printer took 126.69ms. Allocated memory is still 90.2MB. Free memory was 37.4MB in the beginning and 28.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-20 01:09:10,223 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 41.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 510.81ms. Allocated memory was 65.0MB in the beginning and 90.2MB in the end (delta: 25.2MB). Free memory was 42.0MB in the beginning and 66.8MB in the end (delta: -24.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.22ms. Allocated memory is still 90.2MB. Free memory was 66.4MB in the beginning and 63.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.48ms. Allocated memory is still 90.2MB. Free memory was 63.8MB in the beginning and 60.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.02ms. Allocated memory is still 90.2MB. Free memory was 60.6MB in the beginning and 60.1MB in the end (delta: 496.8kB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * TraceAbstraction took 33554.91ms. Allocated memory is still 90.2MB. Free memory was 59.7MB in the beginning and 37.4MB in the end (delta: 22.3MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * Witness Printer took 126.69ms. Allocated memory is still 90.2MB. Free memory was 37.4MB in the beginning and 28.0MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. 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 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [mask_SORT_1=-1, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.4s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8 IncrementalHoareTripleChecker+Unchecked, 46 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 55 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 55 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 19.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 26.0s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 38 ConstructedInterpolants, 14 QuantifiedInterpolants, 3143 SizeOfPredicates, 17 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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 proved your program to be incorrect! [2024-11-20 01:09:10,453 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-20 01:09:10,654 FATAL L548 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Could not destroy process within 200 ms, abandoning it Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE