./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 807a67cda124a3fcd6cb05c7902844a26646fa59fdd69e67d53bd60fc10f4ac4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:53:18,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:53:19,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 04:53:19,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:53:19,012 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:53:19,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:53:19,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:53:19,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:53:19,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:53:19,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:53:19,039 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:53:19,039 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:53:19,039 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:53:19,039 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 04:53:19,039 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:53:19,039 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:53:19,040 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 04:53:19,040 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 04:53:19,040 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:53:19,040 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 04:53:19,040 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 04:53:19,040 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 04:53:19,041 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:53:19,041 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:53:19,041 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 04:53:19,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:53:19,042 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:53:19,042 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:53:19,042 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:53:19,042 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:53:19,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:53:19,042 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:53:19,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:53:19,042 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:53:19,043 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:53:19,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:19,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:53:19,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:53:19,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:53:19,043 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 04:53:19,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 04:53:19,043 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:53:19,043 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:53:19,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 04:53:19,044 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 807a67cda124a3fcd6cb05c7902844a26646fa59fdd69e67d53bd60fc10f4ac4 [2024-11-14 04:53:19,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:53:19,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:53:19,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:53:19,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:53:19,342 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:53:19,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c Unable to find full path for "g++" [2024-11-14 04:53:21,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:53:21,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:53:21,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c [2024-11-14 04:53:21,602 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/data/91671823b/3276cc49d9374b59b8dca63d68b99909/FLAG1d1089792 [2024-11-14 04:53:21,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/data/91671823b/3276cc49d9374b59b8dca63d68b99909 [2024-11-14 04:53:21,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:53:21,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:53:21,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:21,622 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:53:21,627 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:53:21,628 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4b61ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21, skipping insertion in model container [2024-11-14 04:53:21,629 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:21,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:53:21,819 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c[1253,1266] [2024-11-14 04:53:21,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:21,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:53:21,920 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c[1253,1266] [2024-11-14 04:53:21,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:21,987 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:53:21,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21 WrapperNode [2024-11-14 04:53:21,989 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:21,991 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:21,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:53:21,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:53:21,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,081 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2024-11-14 04:53:22,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:22,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:53:22,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:53:22,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:53:22,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,135 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,140 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:53:22,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:53:22,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:53:22,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:53:22,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (1/1) ... [2024-11-14 04:53:22,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:22,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:22,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:53:22,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:53:22,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:53:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 04:53:22,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:53:22,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:53:22,343 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:53:22,346 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:53:22,840 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-11-14 04:53:22,840 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:53:23,139 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:53:23,140 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:53:23,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:23 BoogieIcfgContainer [2024-11-14 04:53:23,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:53:23,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:53:23,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:53:23,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:53:23,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:53:21" (1/3) ... [2024-11-14 04:53:23,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2204a1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:23, skipping insertion in model container [2024-11-14 04:53:23,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:21" (2/3) ... [2024-11-14 04:53:23,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2204a1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:23, skipping insertion in model container [2024-11-14 04:53:23,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:23" (3/3) ... [2024-11-14 04:53:23,156 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.dyn_partition.c [2024-11-14 04:53:23,173 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:53:23,176 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.dyn_partition.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:53:23,242 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:53:23,261 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=FINITE_AUTOMATA, 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;@437cc3d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:53:23,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:53:23,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:53:23,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 04:53:23,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:23,275 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 04:53:23,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:23,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:23,281 INFO L85 PathProgramCache]: Analyzing trace with hash 7607179, now seen corresponding path program 1 times [2024-11-14 04:53:23,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 04:53:23,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099913828] [2024-11-14 04:53:23,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:23,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 04:53:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:53:23,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:53:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:53:23,621 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 04:53:23,623 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:53:23,624 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:53:23,628 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 04:53:23,632 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-14 04:53:23,651 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:53:23,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:53:23 BoogieIcfgContainer [2024-11-14 04:53:23,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:53:23,655 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:53:23,655 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:53:23,655 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:53:23,656 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:23" (3/4) ... [2024-11-14 04:53:23,659 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 04:53:23,660 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:53:23,661 INFO L158 Benchmark]: Toolchain (without parser) took 2040.48ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 82.7MB in the end (delta: 36.2MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,661 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:23,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.48ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 105.8MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.88ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 101.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,662 INFO L158 Benchmark]: Boogie Preprocessor took 66.84ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 99.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:23,663 INFO L158 Benchmark]: RCFGBuilder took 988.22ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 103.6MB in the end (delta: -4.0MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,663 INFO L158 Benchmark]: TraceAbstraction took 508.64ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 82.7MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:53:23,664 INFO L158 Benchmark]: Witness Printer took 4.85ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:53:23,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.48ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 105.8MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.88ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 101.4MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.84ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 99.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 988.22ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 103.6MB in the end (delta: -4.0MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * TraceAbstraction took 508.64ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 82.7MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.85ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. 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 69, overapproximation of bitwiseAnd at line 43. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 3); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (3 - 1); [L32] const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 32); [L33] const SORT_23 msb_SORT_23 = (SORT_23)1 << (32 - 1); [L35] const SORT_4 var_5 = 0; [L36] const SORT_1 var_13 = 1; [L37] const SORT_1 var_17 = 0; [L38] const SORT_23 var_25 = 1; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L43] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L44] SORT_4 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_4 init_7_arg_1 = var_5; [L49] state_6 = init_7_arg_1 [L50] SORT_4 init_9_arg_1 = var_5; [L51] state_8 = init_9_arg_1 [L52] SORT_1 init_19_arg_1 = var_17; [L53] state_18 = init_19_arg_1 [L54] SORT_1 init_21_arg_1 = var_17; [L55] state_20 = init_21_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=7, state_18=0, state_20=0, state_6=0, state_8=0, var_13=1, var_25=1] [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] EXPR var_15_arg_0 & var_15_arg_1 [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] EXPR var_15 & mask_SORT_1 [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2024-11-14 04:53:23,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 807a67cda124a3fcd6cb05c7902844a26646fa59fdd69e67d53bd60fc10f4ac4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 04:53:26,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 04:53:26,489 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 04:53:26,500 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 04:53:26,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 04:53:26,522 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 04:53:26,523 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 04:53:26,523 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 04:53:26,524 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 04:53:26,524 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 04:53:26,524 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 04:53:26,524 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 04:53:26,524 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 04:53:26,524 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 04:53:26,524 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 04:53:26,524 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 04:53:26,525 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 04:53:26,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 04:53:26,525 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 04:53:26,525 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 04:53:26,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 04:53:26,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 04:53:26,525 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 04:53:26,525 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 04:53:26,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 04:53:26,526 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 04:53:26,526 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 04:53:26,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 04:53:26,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 04:53:26,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 04:53:26,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 04:53:26,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 04:53:26,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:26,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 04:53:26,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 04:53:26,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 04:53:26,527 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 04:53:26,527 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 04:53:26,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 04:53:26,527 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 04:53:26,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E 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 -> Taipan 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 -> 807a67cda124a3fcd6cb05c7902844a26646fa59fdd69e67d53bd60fc10f4ac4 [2024-11-14 04:53:26,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 04:53:26,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 04:53:26,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 04:53:26,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 04:53:26,846 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 04:53:26,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c Unable to find full path for "g++" [2024-11-14 04:53:28,804 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 04:53:29,075 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 04:53:29,078 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c [2024-11-14 04:53:29,091 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/data/3101be75d/b5daaf332eb945ce9166e5e669e1a6f2/FLAG6db08041e [2024-11-14 04:53:29,114 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/data/3101be75d/b5daaf332eb945ce9166e5e669e1a6f2 [2024-11-14 04:53:29,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 04:53:29,119 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 04:53:29,122 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:29,123 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 04:53:29,128 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 04:53:29,129 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,130 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8d77cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29, skipping insertion in model container [2024-11-14 04:53:29,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,152 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 04:53:29,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c[1253,1266] [2024-11-14 04:53:29,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:29,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 04:53:29,439 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.dyn_partition.c[1253,1266] [2024-11-14 04:53:29,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 04:53:29,504 INFO L204 MainTranslator]: Completed translation [2024-11-14 04:53:29,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29 WrapperNode [2024-11-14 04:53:29,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 04:53:29,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:29,507 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 04:53:29,507 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 04:53:29,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,554 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2024-11-14 04:53:29,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 04:53:29,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 04:53:29,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 04:53:29,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 04:53:29,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,566 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,566 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 04:53:29,584 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 04:53:29,584 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 04:53:29,584 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 04:53:29,588 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (1/1) ... [2024-11-14 04:53:29,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 04:53:29,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:29,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 04:53:29,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 04:53:29,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 04:53:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 04:53:29,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 04:53:29,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 04:53:29,777 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 04:53:29,779 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 04:53:30,037 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-14 04:53:30,038 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 04:53:30,047 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 04:53:30,047 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 04:53:30,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:30 BoogieIcfgContainer [2024-11-14 04:53:30,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 04:53:30,051 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 04:53:30,052 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 04:53:30,057 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 04:53:30,057 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 04:53:29" (1/3) ... [2024-11-14 04:53:30,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43146401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:30, skipping insertion in model container [2024-11-14 04:53:30,058 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 04:53:29" (2/3) ... [2024-11-14 04:53:30,058 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43146401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 04:53:30, skipping insertion in model container [2024-11-14 04:53:30,059 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:30" (3/3) ... [2024-11-14 04:53:30,060 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.dyn_partition.c [2024-11-14 04:53:30,075 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 04:53:30,076 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.dyn_partition.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 04:53:30,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 04:53:30,143 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=FINITE_AUTOMATA, 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;@4ea3e4ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 04:53:30,143 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 04:53:30,147 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) [2024-11-14 04:53:30,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 04:53:30,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:30,153 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 04:53:30,154 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:30,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:30,159 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 04:53:30,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:30,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [647224971] [2024-11-14 04:53:30,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:30,168 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 [2024-11-14 04:53:30,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:30,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:53:30,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:53:30,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:30,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 04:53:30,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:30,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:30,654 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 04:53:30,655 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:53:30,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [647224971] [2024-11-14 04:53:30,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [647224971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 04:53:30,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 04:53:30,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 04:53:30,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442349317] [2024-11-14 04:53:30,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 04:53:30,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 04:53:30,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:53:30,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 04:53:30,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 04:53:30,688 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) [2024-11-14 04:53:30,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:53:30,748 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 04:53:30,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 04:53:30,750 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 [2024-11-14 04:53:30,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:53:30,757 INFO L225 Difference]: With dead ends: 18 [2024-11-14 04:53:30,757 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 04:53:30,760 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 04:53:30,762 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 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 [2024-11-14 04:53:30,763 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-14 04:53:30,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 04:53:30,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 04:53:30,790 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) [2024-11-14 04:53:30,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 04:53:30,796 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 04:53:30,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:53:30,798 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 04:53:30,798 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) [2024-11-14 04:53:30,798 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 04:53:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 04:53:30,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:30,799 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 04:53:30,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-14 04:53:30,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:53:30,999 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:31,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:31,000 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 04:53:31,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:31,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613749702] [2024-11-14 04:53:31,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:31,001 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 [2024-11-14 04:53:31,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:31,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:53:31,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:53:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:31,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 04:53:31,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:31,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:31,409 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:53:32,175 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:32,175 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:53:32,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613749702] [2024-11-14 04:53:32,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613749702] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:53:32,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [66105325] [2024-11-14 04:53:32,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:32,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:53:32,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:53:32,199 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:53:32,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 04:53:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:32,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 04:53:32,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:32,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:32,572 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:53:33,162 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:33,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [66105325] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:53:33,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957305938] [2024-11-14 04:53:33,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 04:53:33,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:53:33,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:33,167 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:53:33,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 04:53:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 04:53:33,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-14 04:53:33,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:33,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:33,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:53:33,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:33,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957305938] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:53:33,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:53:33,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 15 [2024-11-14 04:53:33,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200813482] [2024-11-14 04:53:33,936 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:53:33,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 04:53:33,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:53:33,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 04:53:33,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-14 04:53:33,939 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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) [2024-11-14 04:53:34,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:53:34,364 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-11-14 04:53:34,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 04:53:34,365 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 [2024-11-14 04:53:34,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:53:34,366 INFO L225 Difference]: With dead ends: 18 [2024-11-14 04:53:34,366 INFO L226 Difference]: Without dead ends: 16 [2024-11-14 04:53:34,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 28 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2024-11-14 04:53:34,368 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 6 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 04:53:34,370 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 22 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 04:53:34,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-14 04:53:34,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-14 04:53:34,376 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) [2024-11-14 04:53:34,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-14 04:53:34,377 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-11-14 04:53:34,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:53:34,378 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-14 04:53:34,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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) [2024-11-14 04:53:34,379 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-14 04:53:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 04:53:34,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:34,380 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-14 04:53:34,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 04:53:34,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-14 04:53:34,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:53:34,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:53:34,981 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:34,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:34,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 2 times [2024-11-14 04:53:34,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:34,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287010123] [2024-11-14 04:53:34,984 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:53:34,984 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 [2024-11-14 04:53:34,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:34,988 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:53:34,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 (6)] Waiting until timeout for monitored process [2024-11-14 04:53:35,091 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:53:35,091 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:53:35,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-14 04:53:35,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:35,524 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:53:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:38,078 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:53:38,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1287010123] [2024-11-14 04:53:38,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1287010123] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:53:38,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1144307151] [2024-11-14 04:53:38,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:53:38,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:53:38,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:53:38,081 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:53:38,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 04:53:38,274 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:53:38,274 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:53:38,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-14 04:53:38,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:38,577 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:38,578 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:53:40,065 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:40,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1144307151] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:53:40,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284066134] [2024-11-14 04:53:40,066 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 04:53:40,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:53:40,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:53:40,068 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:53:40,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 04:53:40,166 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 04:53:40,166 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:53:40,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-14 04:53:40,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:40,429 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:40,430 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:53:41,849 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:41,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284066134] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:53:41,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:53:41,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7, 7] total 12 [2024-11-14 04:53:41,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531486397] [2024-11-14 04:53:41,850 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:53:41,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 04:53:41,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:53:41,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 04:53:41,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-14 04:53:41,852 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2024-11-14 04:53:43,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:53:43,501 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2024-11-14 04:53:43,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 04:53:43,502 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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 14 [2024-11-14 04:53:43,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:53:43,502 INFO L225 Difference]: With dead ends: 30 [2024-11-14 04:53:43,502 INFO L226 Difference]: Without dead ends: 28 [2024-11-14 04:53:43,503 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 66 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2024-11-14 04:53:43,504 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-14 04:53:43,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 26 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-14 04:53:43,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-11-14 04:53:43,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2024-11-14 04:53:43,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 26 states have internal predecessors, (27), 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) [2024-11-14 04:53:43,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2024-11-14 04:53:43,512 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 14 [2024-11-14 04:53:43,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:53:43,513 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2024-11-14 04:53:43,513 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.1666666666666665) internal successors, (26), 12 states have internal predecessors, (26), 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) [2024-11-14 04:53:43,513 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2024-11-14 04:53:43,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-14 04:53:43,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:53:43,513 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 1, 1, 1, 1] [2024-11-14 04:53:43,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 04:53:43,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 (6)] Ended with exit code 0 [2024-11-14 04:53:43,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 04:53:44,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt [2024-11-14 04:53:44,114 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:53:44,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:53:44,115 INFO L85 PathProgramCache]: Analyzing trace with hash 96933411, now seen corresponding path program 3 times [2024-11-14 04:53:44,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:53:44,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634962258] [2024-11-14 04:53:44,116 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:53:44,116 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 [2024-11-14 04:53:44,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:53:44,122 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:53:44,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 (9)] Waiting until timeout for monitored process [2024-11-14 04:53:44,287 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-14 04:53:44,288 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:53:44,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-14 04:53:44,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:44,913 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:53:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:52,946 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 04:53:52,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634962258] [2024-11-14 04:53:52,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634962258] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:53:52,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [819232033] [2024-11-14 04:53:52,946 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:53:52,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 04:53:52,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 04:53:52,948 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 04:53:52,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-14 04:53:53,238 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-14 04:53:53,238 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:53:53,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-11-14 04:53:53,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:53:53,974 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:53:53,974 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:54:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:54:05,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [819232033] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:54:05,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976937736] [2024-11-14 04:54:05,200 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 04:54:05,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:05,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 04:54:05,205 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 04:54:05,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-14 04:54:05,363 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-14 04:54:05,364 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 04:54:05,366 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-14 04:54:05,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 04:54:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:54:05,826 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 04:54:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 04:54:11,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976937736] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 04:54:11,137 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 04:54:11,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 13, 13, 12, 12] total 34 [2024-11-14 04:54:11,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805218349] [2024-11-14 04:54:11,137 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 04:54:11,137 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-14 04:54:11,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 04:54:11,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-14 04:54:11,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=829, Unknown=0, NotChecked=0, Total=1122 [2024-11-14 04:54:11,139 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand has 34 states, 34 states have (on average 2.4705882352941178) internal successors, (84), 34 states have internal predecessors, (84), 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) [2024-11-14 04:54:23,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 04:54:23,153 INFO L93 Difference]: Finished difference Result 54 states and 61 transitions. [2024-11-14 04:54:23,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-14 04:54:23,154 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.4705882352941178) internal successors, (84), 34 states have internal predecessors, (84), 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 26 [2024-11-14 04:54:23,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 04:54:23,155 INFO L225 Difference]: With dead ends: 54 [2024-11-14 04:54:23,155 INFO L226 Difference]: Without dead ends: 52 [2024-11-14 04:54:23,156 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 115 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 823 ImplicationChecksByTransitivity, 19.7s TimeCoverageRelationStatistics Valid=860, Invalid=2220, Unknown=0, NotChecked=0, Total=3080 [2024-11-14 04:54:23,158 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 20 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-14 04:54:23,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 45 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-14 04:54:23,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-14 04:54:23,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2024-11-14 04:54:23,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.02) internal successors, (51), 50 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 04:54:23,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2024-11-14 04:54:23,176 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 26 [2024-11-14 04:54:23,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 04:54:23,177 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2024-11-14 04:54:23,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.4705882352941178) internal successors, (84), 34 states have internal predecessors, (84), 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) [2024-11-14 04:54:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2024-11-14 04:54:23,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-14 04:54:23,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 04:54:23,178 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 1, 1, 1, 1] [2024-11-14 04:54:23,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 (9)] Ended with exit code 0 [2024-11-14 04:54:23,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-14 04:54:23,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-14 04:54:23,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 04:54:23,779 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 04:54:23,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 04:54:23,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2084907299, now seen corresponding path program 4 times [2024-11-14 04:54:23,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 04:54:23,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944678093] [2024-11-14 04:54:23,780 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 04:54:23,780 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 [2024-11-14 04:54:23,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 04:54:23,782 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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) [2024-11-14 04:54:23,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 (12)] Waiting until timeout for monitored process [2024-11-14 04:54:24,123 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 04:54:24,123 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-14 04:54:24,123 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 04:54:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 04:54:24,494 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-14 04:54:24,495 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 04:54:24,496 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 04:54:24,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 (12)] Forceful destruction successful, exit code 0 [2024-11-14 04:54:24,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/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 [2024-11-14 04:54:24,700 INFO L407 BasicCegarLoop]: Path program histogram: [4, 1] [2024-11-14 04:54:24,788 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 04:54:24,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 04:54:24 BoogieIcfgContainer [2024-11-14 04:54:24,791 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 04:54:24,792 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 04:54:24,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 04:54:24,792 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 04:54:24,793 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 04:53:30" (3/4) ... [2024-11-14 04:54:24,794 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-14 04:54:24,894 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/witness.graphml [2024-11-14 04:54:24,895 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 04:54:24,896 INFO L158 Benchmark]: Toolchain (without parser) took 55776.45ms. Allocated memory was 83.9MB in the beginning and 427.8MB in the end (delta: 343.9MB). Free memory was 60.4MB in the beginning and 189.9MB in the end (delta: -129.4MB). Peak memory consumption was 213.7MB. Max. memory is 16.1GB. [2024-11-14 04:54:24,896 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:54:24,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.73ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 47.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:54:24,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.60ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:54:24,897 INFO L158 Benchmark]: Boogie Preprocessor took 28.73ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 04:54:24,897 INFO L158 Benchmark]: RCFGBuilder took 464.13ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 30.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 04:54:24,898 INFO L158 Benchmark]: TraceAbstraction took 54740.05ms. Allocated memory was 83.9MB in the beginning and 427.8MB in the end (delta: 343.9MB). Free memory was 30.2MB in the beginning and 205.2MB in the end (delta: -175.0MB). Peak memory consumption was 171.7MB. Max. memory is 16.1GB. [2024-11-14 04:54:24,898 INFO L158 Benchmark]: Witness Printer took 102.86ms. Allocated memory is still 427.8MB. Free memory was 205.2MB in the beginning and 189.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 04:54:24,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.73ms. Allocated memory is still 83.9MB. Free memory was 60.1MB in the beginning and 47.4MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.60ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 45.8MB in the end (delta: 1.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.73ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 44.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.13ms. Allocated memory is still 83.9MB. Free memory was 44.6MB in the beginning and 30.8MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 54740.05ms. Allocated memory was 83.9MB in the beginning and 427.8MB in the end (delta: 343.9MB). Free memory was 30.2MB in the beginning and 205.2MB in the end (delta: -175.0MB). Peak memory consumption was 171.7MB. Max. memory is 16.1GB. * Witness Printer took 102.86ms. Allocated memory is still 427.8MB. Free memory was 205.2MB in the beginning and 189.9MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. 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 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 3); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (3 - 1); [L32] const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 32); [L33] const SORT_23 msb_SORT_23 = (SORT_23)1 << (32 - 1); [L35] const SORT_4 var_5 = 0; [L36] const SORT_1 var_13 = 1; [L37] const SORT_1 var_17 = 0; [L38] const SORT_23 var_25 = 1; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L43] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L44] SORT_4 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L45] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_4 init_7_arg_1 = var_5; [L49] state_6 = init_7_arg_1 [L50] SORT_4 init_9_arg_1 = var_5; [L51] state_8 = init_9_arg_1 [L52] SORT_1 init_19_arg_1 = var_17; [L53] state_18 = init_19_arg_1 [L54] SORT_1 init_21_arg_1 = var_17; [L55] state_20 = init_21_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=7, state_18=0, state_20=0, state_6=0, state_8=0, var_13=1, var_25=1] [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L72] RET __VERIFIER_assert(!(bad_16_arg_0)) [L74] SORT_1 var_28_arg_0 = state_18; [L75] SORT_1 var_28_arg_1 = state_20; [L76] SORT_1 var_28 = var_28_arg_0 == var_28_arg_1; [L77] SORT_4 var_24_arg_0 = state_6; [L78] var_24_arg_0 = var_24_arg_0 & mask_SORT_4 [L79] SORT_23 var_24 = var_24_arg_0; [L80] SORT_23 var_26_arg_0 = var_24; [L81] SORT_23 var_26_arg_1 = var_25; [L82] SORT_23 var_26 = var_26_arg_0 + var_26_arg_1; [L83] SORT_23 var_27_arg_0 = var_26; [L84] SORT_4 var_27 = var_27_arg_0 >> 0; [L85] SORT_1 var_29_arg_0 = var_28; [L86] SORT_4 var_29_arg_1 = state_6; [L87] SORT_4 var_29_arg_2 = var_27; [L88] SORT_4 var_29 = var_29_arg_0 ? var_29_arg_1 : var_29_arg_2; [L89] var_29 = var_29 & mask_SORT_4 [L90] SORT_4 next_30_arg_1 = var_29; [L91] SORT_4 var_31_arg_0 = state_8; [L92] var_31_arg_0 = var_31_arg_0 & mask_SORT_4 [L93] SORT_23 var_31 = var_31_arg_0; [L94] SORT_23 var_32_arg_0 = var_31; [L95] SORT_23 var_32_arg_1 = var_25; [L96] SORT_23 var_32 = var_32_arg_0 + var_32_arg_1; [L97] SORT_23 var_33_arg_0 = var_32; [L98] SORT_4 var_33 = var_33_arg_0 >> 0; [L99] SORT_1 var_34_arg_0 = var_28; [L100] SORT_4 var_34_arg_1 = var_33; [L101] SORT_4 var_34_arg_2 = state_8; [L102] SORT_4 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L103] var_34 = var_34 & mask_SORT_4 [L104] SORT_4 next_35_arg_1 = var_34; [L105] SORT_1 var_36_arg_0 = state_20; [L106] SORT_1 var_36 = ~var_36_arg_0; [L107] var_36 = var_36 & mask_SORT_1 [L108] SORT_1 next_37_arg_1 = var_36; [L109] SORT_1 next_38_arg_1 = state_18; [L111] state_6 = next_30_arg_1 [L112] state_8 = next_35_arg_1 [L113] state_18 = next_37_arg_1 [L114] state_20 = next_38_arg_1 [L58] input_2 = __VERIFIER_nondet_uchar() [L59] input_3 = __VERIFIER_nondet_uchar() [L62] SORT_4 var_10_arg_0 = state_6; [L63] SORT_4 var_10_arg_1 = state_8; [L64] SORT_1 var_10 = var_10_arg_0 <= var_10_arg_1; [L65] SORT_1 var_14_arg_0 = var_10; [L66] SORT_1 var_14 = ~var_14_arg_0; [L67] SORT_1 var_15_arg_0 = var_13; [L68] SORT_1 var_15_arg_1 = var_14; [L69] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L70] var_15 = var_15 & mask_SORT_1 [L71] SORT_1 bad_16_arg_0 = var_15; [L72] CALL __VERIFIER_assert(!(bad_16_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: 54.6s, OverallIterations: 5, TraceHistogramMax: 16, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 14.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 418 IncrementalHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 16 mSDtfsCounter, 418 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 312 GetRequests, 211 SyntacticMatches, 6 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 965 ImplicationChecksByTransitivity, 23.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=51occurred in iteration=4, InterpolantAutomatonStates: 60, 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, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 35.8s InterpolantComputationTime, 199 NumberOfCodeBlocks, 199 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 274 ConstructedInterpolants, 108 QuantifiedInterpolants, 92312 SizeOfPredicates, 47 NumberOfNonLiveVariables, 958 ConjunctsInSsa, 358 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 0/564 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! [2024-11-14 04:54:24,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c595af78-750f-4b61-8714-14ac52252faf/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 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