./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.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_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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_4c0adbf7-3605-4c79-8911-52fde05312a8/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 7e5038cf4746b0d33da8db40d97242789791fda4fe0e15050faace48f6985f4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:01:34,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:01:34,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:01:34,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:01:34,936 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:01:34,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:01:34,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:01:34,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:01:34,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:01:34,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:01:34,961 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:01:34,962 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:01:34,962 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:01:34,962 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:01:34,962 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:01:34,962 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:01:34,962 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:01:34,962 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:01:34,963 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:01:34,963 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:01:34,963 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:01:34,963 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:01:34,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:01:34,964 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:01:34,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:01:34,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:01:34,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:01:34,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:01:34,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:01:34,965 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:01:34,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:01:34,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:01:34,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:01:34,965 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:01:34,965 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:01:34,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:01:34,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:01:34,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:01:34,966 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:01:34,966 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:01:34,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:01:34,966 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:01:34,966 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:01:34,966 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:01:34,966 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_4c0adbf7-3605-4c79-8911-52fde05312a8/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 -> 7e5038cf4746b0d33da8db40d97242789791fda4fe0e15050faace48f6985f4f [2024-11-14 05:01:35,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:01:35,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:01:35,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:01:35,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:01:35,257 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:01:35,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c Unable to find full path for "g++" [2024-11-14 05:01:37,150 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:01:37,441 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:01:37,442 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c [2024-11-14 05:01:37,457 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/data/873bcbb96/326c29f5b3bf49ff901ea2702659454d/FLAGaec7a628a [2024-11-14 05:01:37,487 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/data/873bcbb96/326c29f5b3bf49ff901ea2702659454d [2024-11-14 05:01:37,490 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:01:37,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:01:37,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:01:37,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:01:37,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:01:37,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@633f2fed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:37, skipping insertion in model container [2024-11-14 05:01:37,506 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:01:37" (1/1) ... [2024-11-14 05:01:37,542 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:01:37,734 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_4c0adbf7-3605-4c79-8911-52fde05312a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c[1249,1262] [2024-11-14 05:01:37,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:01:37,885 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:01:37,898 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_4c0adbf7-3605-4c79-8911-52fde05312a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c[1249,1262] [2024-11-14 05:01:38,000 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:01:38,015 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:01:38,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38 WrapperNode [2024-11-14 05:01:38,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:01:38,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:01:38,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:01:38,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:01:38,029 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,199 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1012 [2024-11-14 05:01:38,199 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:01:38,200 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:01:38,200 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:01:38,200 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:01:38,208 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,244 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:01:38,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:01:38,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:01:38,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:01:38,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (1/1) ... [2024-11-14 05:01:38,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:01:38,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:01:38,476 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:01:38,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:01:38,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:01:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:01:38,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:01:38,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:01:38,805 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:01:38,807 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:01:40,479 INFO L? ?]: Removed 647 outVars from TransFormulas that were not future-live. [2024-11-14 05:01:40,479 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:01:42,409 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:01:42,410 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:01:42,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:42 BoogieIcfgContainer [2024-11-14 05:01:42,411 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:01:42,413 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:01:42,413 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:01:42,419 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:01:42,420 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:01:37" (1/3) ... [2024-11-14 05:01:42,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ee5cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:01:42, skipping insertion in model container [2024-11-14 05:01:42,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:01:38" (2/3) ... [2024-11-14 05:01:42,421 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13ee5cdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:01:42, skipping insertion in model container [2024-11-14 05:01:42,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:42" (3/3) ... [2024-11-14 05:01:42,422 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_loop_v.c [2024-11-14 05:01:42,439 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:01:42,441 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.sw_loop_v.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:01:42,493 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:01:42,505 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;@5110ba17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:01:42,505 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:01:42,511 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 05:01:42,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 05:01:42,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:42,518 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 05:01:42,519 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:01:42,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:42,524 INFO L85 PathProgramCache]: Analyzing trace with hash 42927931, now seen corresponding path program 1 times [2024-11-14 05:01:42,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:42,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157595294] [2024-11-14 05:01:42,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:42,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:42,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:01:43,721 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 05:01:43,722 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:01:43,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157595294] [2024-11-14 05:01:43,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157595294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:01:43,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:01:43,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:01:43,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956910810] [2024-11-14 05:01:43,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:01:43,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:01:43,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:01:43,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:01:43,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:01:43,749 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:01:45,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:47,842 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:49,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:51,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:53,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:55,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:01:55,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:01:55,915 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-11-14 05:01:55,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:01:55,924 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2024-11-14 05:01:55,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:01:55,940 INFO L225 Difference]: With dead ends: 15 [2024-11-14 05:01:55,940 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 05:01:55,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:01:55,954 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:01:55,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 6 Unknown, 0 Unchecked, 12.1s Time] [2024-11-14 05:01:55,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 05:01:55,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-11-14 05:01:56,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:01:56,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-14 05:01:56,007 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-11-14 05:01:56,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:01:56,008 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-11-14 05:01:56,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 05:01:56,009 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-14 05:01:56,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 05:01:56,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:01:56,009 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-11-14 05:01:56,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:01:56,010 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:01:56,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:01:56,011 INFO L85 PathProgramCache]: Analyzing trace with hash -991512602, now seen corresponding path program 1 times [2024-11-14 05:01:56,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:01:56,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624155175] [2024-11-14 05:01:56,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:01:56,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:01:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:03,481 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 05:02:03,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:02:03,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624155175] [2024-11-14 05:02:03,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624155175] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 05:02:03,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [794735501] [2024-11-14 05:02:03,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:03,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:02:03,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:02:03,488 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:02:03,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-14 05:02:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:04,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 05:02:04,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:04,644 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 05:02:04,644 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:02:09,757 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 05:02:09,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [794735501] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:02:09,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1278848584] [2024-11-14 05:02:09,788 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2024-11-14 05:02:09,788 INFO L166 IcfgInterpreter]: Building call graph [2024-11-14 05:02:09,792 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2024-11-14 05:02:09,797 INFO L176 IcfgInterpreter]: Starting interpretation [2024-11-14 05:02:09,797 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2024-11-14 05:02:10,083 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-14 05:02:10,311 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-14 05:02:17,050 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2024-11-14 05:02:17,490 INFO L180 IcfgInterpreter]: Interpretation finished [2024-11-14 05:02:17,526 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '94#(and (= |ULTIMATE.start_main_~var_3~0#1| 0) (<= 1 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~var_32~0#1| 19) (= |ULTIMATE.start_main_~mask_SORT_27~0#1| 63) (= |ULTIMATE.start_main_~var_45~0#1| 17) (= |ULTIMATE.start_main_~var_158~0#1| 3) (= |ULTIMATE.start_main_~mask_SORT_1~0#1| 1) (= |ULTIMATE.start_main_~var_9~0#1| 1))' at error location [2024-11-14 05:02:17,527 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2024-11-14 05:02:17,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 05:02:17,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5, 5] total 11 [2024-11-14 05:02:17,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246554126] [2024-11-14 05:02:17,528 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 05:02:17,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-14 05:02:17,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:02:17,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-14 05:02:17,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:02:17,530 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 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 05:02:19,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:20,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:02:21,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:21,573 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-14 05:02:21,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 05:02:21,574 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-14 05:02:21,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:21,574 INFO L225 Difference]: With dead ends: 14 [2024-11-14 05:02:21,574 INFO L226 Difference]: Without dead ends: 12 [2024-11-14 05:02:21,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2024-11-14 05:02:21,575 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:21,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 14 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2024-11-14 05:02:21,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-14 05:02:21,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2024-11-14 05:02:21,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 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 05:02:21,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2024-11-14 05:02:21,578 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 7 [2024-11-14 05:02:21,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:21,578 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2024-11-14 05:02:21,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.5) internal successors, (18), 11 states have internal predecessors, (18), 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 05:02:21,579 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2024-11-14 05:02:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-14 05:02:21,579 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:21,579 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1] [2024-11-14 05:02:21,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-14 05:02:21,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:02:21,784 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:21,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:21,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1619082405, now seen corresponding path program 2 times [2024-11-14 05:02:21,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:02:21,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224693732] [2024-11-14 05:02:21,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:21,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:02:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:02:23,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:02:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:02:25,696 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:02:25,696 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:02:25,697 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:02:25,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 05:02:25,703 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-14 05:02:25,764 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:02:25,767 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:02:25 BoogieIcfgContainer [2024-11-14 05:02:25,767 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:02:25,767 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:02:25,768 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:02:25,768 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:02:25,768 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:01:42" (3/4) ... [2024-11-14 05:02:25,771 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:02:25,772 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:02:25,772 INFO L158 Benchmark]: Toolchain (without parser) took 48281.38ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 91.9MB in the beginning and 488.7MB in the end (delta: -396.8MB). Peak memory consumption was 832.4MB. Max. memory is 16.1GB. [2024-11-14 05:02:25,773 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:25,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 519.67ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 67.9MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:02:25,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 183.01ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 43.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-14 05:02:25,774 INFO L158 Benchmark]: Boogie Preprocessor took 230.18ms. Allocated memory is still 117.4MB. Free memory was 43.7MB in the beginning and 76.0MB in the end (delta: -32.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2024-11-14 05:02:25,774 INFO L158 Benchmark]: RCFGBuilder took 3979.47ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 76.0MB in the beginning and 64.3MB in the end (delta: 11.8MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. [2024-11-14 05:02:25,775 INFO L158 Benchmark]: TraceAbstraction took 43353.91ms. Allocated memory was 192.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 64.3MB in the beginning and 488.8MB in the end (delta: -424.5MB). Peak memory consumption was 723.5MB. Max. memory is 16.1GB. [2024-11-14 05:02:25,775 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 1.3GB. Free memory was 488.8MB in the beginning and 488.7MB in the end (delta: 77.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:02:25,777 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 519.67ms. Allocated memory is still 117.4MB. Free memory was 91.7MB in the beginning and 67.9MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 183.01ms. Allocated memory is still 117.4MB. Free memory was 67.9MB in the beginning and 43.7MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 230.18ms. Allocated memory is still 117.4MB. Free memory was 43.7MB in the beginning and 76.0MB in the end (delta: -32.3MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * RCFGBuilder took 3979.47ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 76.0MB in the beginning and 64.3MB in the end (delta: 11.8MB). Peak memory consumption was 125.4MB. Max. memory is 16.1GB. * TraceAbstraction took 43353.91ms. Allocated memory was 192.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 64.3MB in the beginning and 488.8MB in the end (delta: -424.5MB). Peak memory consumption was 723.5MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 1.3GB. Free memory was 488.8MB in the beginning and 488.7MB in the end (delta: 77.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 bitwiseOr at line 95, overapproximation of bitwiseAnd at line 92, overapproximation of bitwiseAnd at line 41, overapproximation of bitwiseAnd at line 80. 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_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 6); [L30] const SORT_27 msb_SORT_27 = (SORT_27)1 << (6 - 1); [L32] const SORT_1 var_3 = 0; [L33] const SORT_1 var_9 = 1; [L34] const SORT_27 var_28 = 1; [L35] const SORT_27 var_32 = 19; [L36] const SORT_27 var_45 = 17; [L37] const SORT_27 var_158 = 3; [L39] SORT_1 input_2; [L41] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L41] SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L42] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L43] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_27 [L49] SORT_27 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_27; [L51] SORT_1 init_5_arg_1 = var_3; [L52] state_4 = init_5_arg_1 [L53] SORT_1 init_14_arg_1 = var_9; [L54] state_13 = init_14_arg_1 [L55] SORT_1 init_16_arg_1 = var_3; [L56] state_15 = init_16_arg_1 [L57] SORT_1 init_18_arg_1 = var_3; [L58] state_17 = init_18_arg_1 [L59] SORT_1 init_20_arg_1 = var_3; [L60] state_19 = init_20_arg_1 [L61] SORT_1 init_22_arg_1 = var_3; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_3; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_27 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 VAL [mask_SORT_1=1, mask_SORT_27=63, state_13=1, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=1, state_29=1, state_4=0, var_158=3, var_32=19, var_3=0, var_45=17, var_9=1] [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; [L80] EXPR var_11_arg_0 & var_11_arg_1 [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] EXPR var_11 & mask_SORT_1 [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L21] COND FALSE !(!(cond)) [L83] RET __VERIFIER_assert(!(bad_12_arg_0)) [L85] SORT_27 var_33_arg_0 = state_29; [L86] SORT_27 var_33_arg_1 = var_32; [L87] SORT_1 var_33 = var_33_arg_0 < var_33_arg_1; [L88] SORT_1 var_34_arg_0 = var_33; [L89] SORT_1 var_34 = ~var_34_arg_0; [L90] SORT_1 var_35_arg_0 = state_15; [L91] SORT_1 var_35_arg_1 = var_34; [L92] EXPR var_35_arg_0 & var_35_arg_1 [L92] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L93] SORT_1 var_36_arg_0 = state_4; [L94] SORT_1 var_36_arg_1 = var_35; [L95] EXPR var_36_arg_0 | var_36_arg_1 [L95] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L96] SORT_27 var_37_arg_0 = state_29; [L97] SORT_27 var_37_arg_1 = var_32; [L98] SORT_1 var_37 = var_37_arg_0 < var_37_arg_1; [L99] SORT_1 var_38_arg_0 = var_37; [L100] SORT_1 var_38 = ~var_38_arg_0; [L101] SORT_1 var_39_arg_0 = state_21; [L102] SORT_1 var_39_arg_1 = var_38; [L103] EXPR var_39_arg_0 & var_39_arg_1 [L103] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L104] SORT_1 var_40_arg_0 = var_36; [L105] SORT_1 var_40_arg_1 = var_39; [L106] EXPR var_40_arg_0 | var_40_arg_1 [L106] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L107] SORT_1 var_41_arg_0 = state_25; [L108] SORT_1 var_41_arg_1 = var_40; [L109] SORT_1 var_41_arg_2 = state_4; [L110] SORT_1 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L111] SORT_1 next_42_arg_1 = var_41; [L112] SORT_1 var_43_arg_0 = state_25; [L113] SORT_1 var_43_arg_1 = var_3; [L114] SORT_1 var_43_arg_2 = state_13; [L115] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L116] SORT_1 next_44_arg_1 = var_43; [L117] SORT_27 var_46_arg_0 = state_29; [L118] SORT_27 var_46_arg_1 = var_45; [L119] SORT_1 var_46 = var_46_arg_0 < var_46_arg_1; [L120] SORT_1 var_47_arg_0 = state_19; [L121] SORT_1 var_47_arg_1 = var_46; [L122] EXPR var_47_arg_0 & var_47_arg_1 [L122] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L123] SORT_1 var_48_arg_0 = state_13; [L124] SORT_1 var_48_arg_1 = var_47; [L125] EXPR var_48_arg_0 | var_48_arg_1 [L125] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L126] SORT_1 var_49_arg_0 = state_25; [L127] SORT_1 var_49_arg_1 = var_48; [L128] SORT_1 var_49_arg_2 = state_15; [L129] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L130] EXPR var_49 & mask_SORT_1 [L130] var_49 = var_49 & mask_SORT_1 [L131] SORT_1 next_50_arg_1 = var_49; [L132] SORT_27 var_51_arg_0 = state_29; [L133] SORT_27 var_51_arg_1 = var_32; [L134] SORT_1 var_51 = var_51_arg_0 < var_51_arg_1; [L135] SORT_1 var_52_arg_0 = state_15; [L136] SORT_1 var_52_arg_1 = var_51; [L137] EXPR var_52_arg_0 & var_52_arg_1 [L137] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L138] SORT_1 var_53_arg_0 = state_25; [L139] SORT_1 var_53_arg_1 = var_52; [L140] SORT_1 var_53_arg_2 = state_17; [L141] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L142] SORT_1 next_54_arg_1 = var_53; [L143] SORT_1 var_55_arg_0 = state_25; [L144] SORT_1 var_55_arg_1 = state_17; [L145] SORT_1 var_55_arg_2 = state_19; [L146] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L147] SORT_1 next_56_arg_1 = var_55; [L148] SORT_27 var_57_arg_0 = state_29; [L149] SORT_27 var_57_arg_1 = var_45; [L150] SORT_1 var_57 = var_57_arg_0 < var_57_arg_1; [L151] SORT_1 var_58_arg_0 = var_57; [L152] SORT_1 var_58 = ~var_58_arg_0; [L153] SORT_1 var_59_arg_0 = state_19; [L154] SORT_1 var_59_arg_1 = var_58; [L155] EXPR var_59_arg_0 & var_59_arg_1 [L155] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L156] SORT_1 var_60_arg_0 = state_25; [L157] SORT_1 var_60_arg_1 = var_59; [L158] SORT_1 var_60_arg_2 = state_21; [L159] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L160] SORT_1 next_61_arg_1 = var_60; [L161] SORT_27 var_62_arg_0 = state_29; [L162] SORT_27 var_62_arg_1 = var_32; [L163] SORT_1 var_62 = var_62_arg_0 < var_62_arg_1; [L164] SORT_1 var_63_arg_0 = state_21; [L165] SORT_1 var_63_arg_1 = var_62; [L166] EXPR var_63_arg_0 & var_63_arg_1 [L166] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L167] SORT_1 var_64_arg_0 = state_23; [L168] SORT_1 var_64_arg_1 = var_63; [L169] EXPR var_64_arg_0 | var_64_arg_1 [L169] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L170] SORT_1 var_65_arg_0 = state_25; [L171] SORT_1 var_65_arg_1 = var_64; [L172] SORT_1 var_65_arg_2 = state_23; [L173] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L174] SORT_1 next_66_arg_1 = var_65; [L175] SORT_1 var_67_arg_0 = state_15; [L176] SORT_1 var_67 = ~var_67_arg_0; [L177] SORT_1 var_68_arg_0 = state_13; [L178] SORT_1 var_68_arg_1 = var_67; [L179] EXPR var_68_arg_0 & var_68_arg_1 [L179] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L180] SORT_1 var_69_arg_0 = state_17; [L181] SORT_1 var_69 = ~var_69_arg_0; [L182] SORT_1 var_70_arg_0 = var_68; [L183] SORT_1 var_70_arg_1 = var_69; [L184] EXPR var_70_arg_0 & var_70_arg_1 [L184] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L185] SORT_1 var_71_arg_0 = state_19; [L186] SORT_1 var_71 = ~var_71_arg_0; [L187] SORT_1 var_72_arg_0 = var_70; [L188] SORT_1 var_72_arg_1 = var_71; [L189] EXPR var_72_arg_0 & var_72_arg_1 [L189] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L190] SORT_1 var_73_arg_0 = state_21; [L191] SORT_1 var_73 = ~var_73_arg_0; [L192] SORT_1 var_74_arg_0 = var_72; [L193] SORT_1 var_74_arg_1 = var_73; [L194] EXPR var_74_arg_0 & var_74_arg_1 [L194] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L195] SORT_1 var_75_arg_0 = state_23; [L196] SORT_1 var_75 = ~var_75_arg_0; [L197] SORT_1 var_76_arg_0 = var_74; [L198] SORT_1 var_76_arg_1 = var_75; [L199] EXPR var_76_arg_0 & var_76_arg_1 [L199] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L200] SORT_1 var_77_arg_0 = state_4; [L201] SORT_1 var_77 = ~var_77_arg_0; [L202] SORT_1 var_78_arg_0 = var_76; [L203] SORT_1 var_78_arg_1 = var_77; [L204] EXPR var_78_arg_0 & var_78_arg_1 [L204] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L205] SORT_1 var_79_arg_0 = state_13; [L206] SORT_1 var_79 = ~var_79_arg_0; [L207] SORT_1 var_80_arg_0 = var_79; [L208] SORT_1 var_80_arg_1 = state_15; [L209] EXPR var_80_arg_0 & var_80_arg_1 [L209] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L210] SORT_1 var_81_arg_0 = state_17; [L211] SORT_1 var_81 = ~var_81_arg_0; [L212] SORT_1 var_82_arg_0 = var_80; [L213] SORT_1 var_82_arg_1 = var_81; [L214] EXPR var_82_arg_0 & var_82_arg_1 [L214] SORT_1 var_82 = var_82_arg_0 & var_82_arg_1; [L215] SORT_1 var_83_arg_0 = state_19; [L216] SORT_1 var_83 = ~var_83_arg_0; [L217] SORT_1 var_84_arg_0 = var_82; [L218] SORT_1 var_84_arg_1 = var_83; [L219] EXPR var_84_arg_0 & var_84_arg_1 [L219] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L220] SORT_1 var_85_arg_0 = state_21; [L221] SORT_1 var_85 = ~var_85_arg_0; [L222] SORT_1 var_86_arg_0 = var_84; [L223] SORT_1 var_86_arg_1 = var_85; [L224] EXPR var_86_arg_0 & var_86_arg_1 [L224] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L225] SORT_1 var_87_arg_0 = state_23; [L226] SORT_1 var_87 = ~var_87_arg_0; [L227] SORT_1 var_88_arg_0 = var_86; [L228] SORT_1 var_88_arg_1 = var_87; [L229] EXPR var_88_arg_0 & var_88_arg_1 [L229] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L230] SORT_1 var_89_arg_0 = state_4; [L231] SORT_1 var_89 = ~var_89_arg_0; [L232] SORT_1 var_90_arg_0 = var_88; [L233] SORT_1 var_90_arg_1 = var_89; [L234] EXPR var_90_arg_0 & var_90_arg_1 [L234] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L235] SORT_1 var_91_arg_0 = var_78; [L236] SORT_1 var_91_arg_1 = var_90; [L237] EXPR var_91_arg_0 | var_91_arg_1 [L237] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L238] SORT_1 var_92_arg_0 = state_13; [L239] SORT_1 var_92 = ~var_92_arg_0; [L240] SORT_1 var_93_arg_0 = state_15; [L241] SORT_1 var_93 = ~var_93_arg_0; [L242] SORT_1 var_94_arg_0 = var_92; [L243] SORT_1 var_94_arg_1 = var_93; [L244] EXPR var_94_arg_0 & var_94_arg_1 [L244] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L245] SORT_1 var_95_arg_0 = var_94; [L246] SORT_1 var_95_arg_1 = state_17; [L247] EXPR var_95_arg_0 & var_95_arg_1 [L247] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L248] SORT_1 var_96_arg_0 = state_19; [L249] SORT_1 var_96 = ~var_96_arg_0; [L250] SORT_1 var_97_arg_0 = var_95; [L251] SORT_1 var_97_arg_1 = var_96; [L252] EXPR var_97_arg_0 & var_97_arg_1 [L252] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L253] SORT_1 var_98_arg_0 = state_21; [L254] SORT_1 var_98 = ~var_98_arg_0; [L255] SORT_1 var_99_arg_0 = var_97; [L256] SORT_1 var_99_arg_1 = var_98; [L257] EXPR var_99_arg_0 & var_99_arg_1 [L257] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L258] SORT_1 var_100_arg_0 = state_23; [L259] SORT_1 var_100 = ~var_100_arg_0; [L260] SORT_1 var_101_arg_0 = var_99; [L261] SORT_1 var_101_arg_1 = var_100; [L262] EXPR var_101_arg_0 & var_101_arg_1 [L262] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L263] SORT_1 var_102_arg_0 = state_4; [L264] SORT_1 var_102 = ~var_102_arg_0; [L265] SORT_1 var_103_arg_0 = var_101; [L266] SORT_1 var_103_arg_1 = var_102; [L267] EXPR var_103_arg_0 & var_103_arg_1 [L267] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L268] SORT_1 var_104_arg_0 = var_91; [L269] SORT_1 var_104_arg_1 = var_103; [L270] EXPR var_104_arg_0 | var_104_arg_1 [L270] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L271] SORT_1 var_105_arg_0 = state_13; [L272] SORT_1 var_105 = ~var_105_arg_0; [L273] SORT_1 var_106_arg_0 = state_15; [L274] SORT_1 var_106 = ~var_106_arg_0; [L275] SORT_1 var_107_arg_0 = var_105; [L276] SORT_1 var_107_arg_1 = var_106; [L277] EXPR var_107_arg_0 & var_107_arg_1 [L277] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L278] SORT_1 var_108_arg_0 = state_17; [L279] SORT_1 var_108 = ~var_108_arg_0; [L280] SORT_1 var_109_arg_0 = var_107; [L281] SORT_1 var_109_arg_1 = var_108; [L282] EXPR var_109_arg_0 & var_109_arg_1 [L282] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L283] SORT_1 var_110_arg_0 = var_109; [L284] SORT_1 var_110_arg_1 = state_19; [L285] EXPR var_110_arg_0 & var_110_arg_1 [L285] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L286] SORT_1 var_111_arg_0 = state_21; [L287] SORT_1 var_111 = ~var_111_arg_0; [L288] SORT_1 var_112_arg_0 = var_110; [L289] SORT_1 var_112_arg_1 = var_111; [L290] EXPR var_112_arg_0 & var_112_arg_1 [L290] SORT_1 var_112 = var_112_arg_0 & var_112_arg_1; [L291] SORT_1 var_113_arg_0 = state_23; [L292] SORT_1 var_113 = ~var_113_arg_0; [L293] SORT_1 var_114_arg_0 = var_112; [L294] SORT_1 var_114_arg_1 = var_113; [L295] EXPR var_114_arg_0 & var_114_arg_1 [L295] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L296] SORT_1 var_115_arg_0 = state_4; [L297] SORT_1 var_115 = ~var_115_arg_0; [L298] SORT_1 var_116_arg_0 = var_114; [L299] SORT_1 var_116_arg_1 = var_115; [L300] EXPR var_116_arg_0 & var_116_arg_1 [L300] SORT_1 var_116 = var_116_arg_0 & var_116_arg_1; [L301] SORT_1 var_117_arg_0 = var_104; [L302] SORT_1 var_117_arg_1 = var_116; [L303] EXPR var_117_arg_0 | var_117_arg_1 [L303] SORT_1 var_117 = var_117_arg_0 | var_117_arg_1; [L304] SORT_1 var_118_arg_0 = state_13; [L305] SORT_1 var_118 = ~var_118_arg_0; [L306] SORT_1 var_119_arg_0 = state_15; [L307] SORT_1 var_119 = ~var_119_arg_0; [L308] SORT_1 var_120_arg_0 = var_118; [L309] SORT_1 var_120_arg_1 = var_119; [L310] EXPR var_120_arg_0 & var_120_arg_1 [L310] SORT_1 var_120 = var_120_arg_0 & var_120_arg_1; [L311] SORT_1 var_121_arg_0 = state_17; [L312] SORT_1 var_121 = ~var_121_arg_0; [L313] SORT_1 var_122_arg_0 = var_120; [L314] SORT_1 var_122_arg_1 = var_121; [L315] EXPR var_122_arg_0 & var_122_arg_1 [L315] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L316] SORT_1 var_123_arg_0 = state_19; [L317] SORT_1 var_123 = ~var_123_arg_0; [L318] SORT_1 var_124_arg_0 = var_122; [L319] SORT_1 var_124_arg_1 = var_123; [L320] EXPR var_124_arg_0 & var_124_arg_1 [L320] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L321] SORT_1 var_125_arg_0 = var_124; [L322] SORT_1 var_125_arg_1 = state_21; [L323] EXPR var_125_arg_0 & var_125_arg_1 [L323] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L324] SORT_1 var_126_arg_0 = state_23; [L325] SORT_1 var_126 = ~var_126_arg_0; [L326] SORT_1 var_127_arg_0 = var_125; [L327] SORT_1 var_127_arg_1 = var_126; [L328] EXPR var_127_arg_0 & var_127_arg_1 [L328] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L329] SORT_1 var_128_arg_0 = state_4; [L330] SORT_1 var_128 = ~var_128_arg_0; [L331] SORT_1 var_129_arg_0 = var_127; [L332] SORT_1 var_129_arg_1 = var_128; [L333] EXPR var_129_arg_0 & var_129_arg_1 [L333] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L334] SORT_1 var_130_arg_0 = var_117; [L335] SORT_1 var_130_arg_1 = var_129; [L336] EXPR var_130_arg_0 | var_130_arg_1 [L336] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L337] SORT_1 var_131_arg_0 = state_13; [L338] SORT_1 var_131 = ~var_131_arg_0; [L339] SORT_1 var_132_arg_0 = state_15; [L340] SORT_1 var_132 = ~var_132_arg_0; [L341] SORT_1 var_133_arg_0 = var_131; [L342] SORT_1 var_133_arg_1 = var_132; [L343] EXPR var_133_arg_0 & var_133_arg_1 [L343] SORT_1 var_133 = var_133_arg_0 & var_133_arg_1; [L344] SORT_1 var_134_arg_0 = state_17; [L345] SORT_1 var_134 = ~var_134_arg_0; [L346] SORT_1 var_135_arg_0 = var_133; [L347] SORT_1 var_135_arg_1 = var_134; [L348] EXPR var_135_arg_0 & var_135_arg_1 [L348] SORT_1 var_135 = var_135_arg_0 & var_135_arg_1; [L349] SORT_1 var_136_arg_0 = state_19; [L350] SORT_1 var_136 = ~var_136_arg_0; [L351] SORT_1 var_137_arg_0 = var_135; [L352] SORT_1 var_137_arg_1 = var_136; [L353] EXPR var_137_arg_0 & var_137_arg_1 [L353] SORT_1 var_137 = var_137_arg_0 & var_137_arg_1; [L354] SORT_1 var_138_arg_0 = state_21; [L355] SORT_1 var_138 = ~var_138_arg_0; [L356] SORT_1 var_139_arg_0 = var_137; [L357] SORT_1 var_139_arg_1 = var_138; [L358] EXPR var_139_arg_0 & var_139_arg_1 [L358] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L359] SORT_1 var_140_arg_0 = var_139; [L360] SORT_1 var_140_arg_1 = state_23; [L361] EXPR var_140_arg_0 & var_140_arg_1 [L361] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L362] SORT_1 var_141_arg_0 = state_4; [L363] SORT_1 var_141 = ~var_141_arg_0; [L364] SORT_1 var_142_arg_0 = var_140; [L365] SORT_1 var_142_arg_1 = var_141; [L366] EXPR var_142_arg_0 & var_142_arg_1 [L366] SORT_1 var_142 = var_142_arg_0 & var_142_arg_1; [L367] SORT_1 var_143_arg_0 = var_130; [L368] SORT_1 var_143_arg_1 = var_142; [L369] EXPR var_143_arg_0 | var_143_arg_1 [L369] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L370] SORT_1 var_144_arg_0 = state_13; [L371] SORT_1 var_144 = ~var_144_arg_0; [L372] SORT_1 var_145_arg_0 = state_15; [L373] SORT_1 var_145 = ~var_145_arg_0; [L374] SORT_1 var_146_arg_0 = var_144; [L375] SORT_1 var_146_arg_1 = var_145; [L376] EXPR var_146_arg_0 & var_146_arg_1 [L376] SORT_1 var_146 = var_146_arg_0 & var_146_arg_1; [L377] SORT_1 var_147_arg_0 = state_17; [L378] SORT_1 var_147 = ~var_147_arg_0; [L379] SORT_1 var_148_arg_0 = var_146; [L380] SORT_1 var_148_arg_1 = var_147; [L381] EXPR var_148_arg_0 & var_148_arg_1 [L381] SORT_1 var_148 = var_148_arg_0 & var_148_arg_1; [L382] SORT_1 var_149_arg_0 = state_19; [L383] SORT_1 var_149 = ~var_149_arg_0; [L384] SORT_1 var_150_arg_0 = var_148; [L385] SORT_1 var_150_arg_1 = var_149; [L386] EXPR var_150_arg_0 & var_150_arg_1 [L386] SORT_1 var_150 = var_150_arg_0 & var_150_arg_1; [L387] SORT_1 var_151_arg_0 = state_21; [L388] SORT_1 var_151 = ~var_151_arg_0; [L389] SORT_1 var_152_arg_0 = var_150; [L390] SORT_1 var_152_arg_1 = var_151; [L391] EXPR var_152_arg_0 & var_152_arg_1 [L391] SORT_1 var_152 = var_152_arg_0 & var_152_arg_1; [L392] SORT_1 var_153_arg_0 = state_23; [L393] SORT_1 var_153 = ~var_153_arg_0; [L394] SORT_1 var_154_arg_0 = var_152; [L395] SORT_1 var_154_arg_1 = var_153; [L396] EXPR var_154_arg_0 & var_154_arg_1 [L396] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L397] SORT_1 var_155_arg_0 = var_154; [L398] SORT_1 var_155_arg_1 = state_4; [L399] EXPR var_155_arg_0 & var_155_arg_1 [L399] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L400] SORT_1 var_156_arg_0 = var_143; [L401] SORT_1 var_156_arg_1 = var_155; [L402] EXPR var_156_arg_0 | var_156_arg_1 [L402] SORT_1 var_156 = var_156_arg_0 | var_156_arg_1; [L403] EXPR var_156 & mask_SORT_1 [L403] var_156 = var_156 & mask_SORT_1 [L404] SORT_1 next_157_arg_1 = var_156; [L405] SORT_27 var_160_arg_0 = state_29; [L406] SORT_27 var_160_arg_1 = var_32; [L407] SORT_1 var_160 = var_160_arg_0 < var_160_arg_1; [L408] SORT_27 var_159_arg_0 = state_29; [L409] SORT_27 var_159_arg_1 = var_158; [L410] SORT_27 var_159 = var_159_arg_0 + var_159_arg_1; [L411] SORT_1 var_161_arg_0 = var_160; [L412] SORT_27 var_161_arg_1 = var_159; [L413] SORT_27 var_161_arg_2 = state_29; [L414] SORT_27 var_161 = var_161_arg_0 ? var_161_arg_1 : var_161_arg_2; [L415] SORT_1 var_162_arg_0 = state_15; [L416] SORT_27 var_162_arg_1 = var_161; [L417] SORT_27 var_162_arg_2 = state_29; [L418] SORT_27 var_162 = var_162_arg_0 ? var_162_arg_1 : var_162_arg_2; [L419] SORT_1 var_163_arg_0 = state_25; [L420] SORT_27 var_163_arg_1 = var_162; [L421] SORT_27 var_163_arg_2 = state_29; [L422] SORT_27 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; [L423] EXPR var_163 & mask_SORT_27 [L423] var_163 = var_163 & mask_SORT_27 [L424] SORT_27 next_164_arg_1 = var_163; [L426] state_4 = next_42_arg_1 [L427] state_13 = next_44_arg_1 [L428] state_15 = next_50_arg_1 [L429] state_17 = next_54_arg_1 [L430] state_19 = next_56_arg_1 [L431] state_21 = next_61_arg_1 [L432] state_23 = next_66_arg_1 [L433] state_25 = next_157_arg_1 [L434] state_29 = next_164_arg_1 [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; [L80] EXPR var_11_arg_0 & var_11_arg_1 [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] EXPR var_11 & mask_SORT_1 [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L21] COND FALSE !(!(cond)) [L83] RET __VERIFIER_assert(!(bad_12_arg_0)) [L85] SORT_27 var_33_arg_0 = state_29; [L86] SORT_27 var_33_arg_1 = var_32; [L87] SORT_1 var_33 = var_33_arg_0 < var_33_arg_1; [L88] SORT_1 var_34_arg_0 = var_33; [L89] SORT_1 var_34 = ~var_34_arg_0; [L90] SORT_1 var_35_arg_0 = state_15; [L91] SORT_1 var_35_arg_1 = var_34; [L92] EXPR var_35_arg_0 & var_35_arg_1 [L92] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L93] SORT_1 var_36_arg_0 = state_4; [L94] SORT_1 var_36_arg_1 = var_35; [L95] EXPR var_36_arg_0 | var_36_arg_1 [L95] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L96] SORT_27 var_37_arg_0 = state_29; [L97] SORT_27 var_37_arg_1 = var_32; [L98] SORT_1 var_37 = var_37_arg_0 < var_37_arg_1; [L99] SORT_1 var_38_arg_0 = var_37; [L100] SORT_1 var_38 = ~var_38_arg_0; [L101] SORT_1 var_39_arg_0 = state_21; [L102] SORT_1 var_39_arg_1 = var_38; [L103] EXPR var_39_arg_0 & var_39_arg_1 [L103] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L104] SORT_1 var_40_arg_0 = var_36; [L105] SORT_1 var_40_arg_1 = var_39; [L106] EXPR var_40_arg_0 | var_40_arg_1 [L106] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L107] SORT_1 var_41_arg_0 = state_25; [L108] SORT_1 var_41_arg_1 = var_40; [L109] SORT_1 var_41_arg_2 = state_4; [L110] SORT_1 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L111] SORT_1 next_42_arg_1 = var_41; [L112] SORT_1 var_43_arg_0 = state_25; [L113] SORT_1 var_43_arg_1 = var_3; [L114] SORT_1 var_43_arg_2 = state_13; [L115] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L116] SORT_1 next_44_arg_1 = var_43; [L117] SORT_27 var_46_arg_0 = state_29; [L118] SORT_27 var_46_arg_1 = var_45; [L119] SORT_1 var_46 = var_46_arg_0 < var_46_arg_1; [L120] SORT_1 var_47_arg_0 = state_19; [L121] SORT_1 var_47_arg_1 = var_46; [L122] EXPR var_47_arg_0 & var_47_arg_1 [L122] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L123] SORT_1 var_48_arg_0 = state_13; [L124] SORT_1 var_48_arg_1 = var_47; [L125] EXPR var_48_arg_0 | var_48_arg_1 [L125] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L126] SORT_1 var_49_arg_0 = state_25; [L127] SORT_1 var_49_arg_1 = var_48; [L128] SORT_1 var_49_arg_2 = state_15; [L129] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L130] EXPR var_49 & mask_SORT_1 [L130] var_49 = var_49 & mask_SORT_1 [L131] SORT_1 next_50_arg_1 = var_49; [L132] SORT_27 var_51_arg_0 = state_29; [L133] SORT_27 var_51_arg_1 = var_32; [L134] SORT_1 var_51 = var_51_arg_0 < var_51_arg_1; [L135] SORT_1 var_52_arg_0 = state_15; [L136] SORT_1 var_52_arg_1 = var_51; [L137] EXPR var_52_arg_0 & var_52_arg_1 [L137] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L138] SORT_1 var_53_arg_0 = state_25; [L139] SORT_1 var_53_arg_1 = var_52; [L140] SORT_1 var_53_arg_2 = state_17; [L141] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L142] SORT_1 next_54_arg_1 = var_53; [L143] SORT_1 var_55_arg_0 = state_25; [L144] SORT_1 var_55_arg_1 = state_17; [L145] SORT_1 var_55_arg_2 = state_19; [L146] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L147] SORT_1 next_56_arg_1 = var_55; [L148] SORT_27 var_57_arg_0 = state_29; [L149] SORT_27 var_57_arg_1 = var_45; [L150] SORT_1 var_57 = var_57_arg_0 < var_57_arg_1; [L151] SORT_1 var_58_arg_0 = var_57; [L152] SORT_1 var_58 = ~var_58_arg_0; [L153] SORT_1 var_59_arg_0 = state_19; [L154] SORT_1 var_59_arg_1 = var_58; [L155] EXPR var_59_arg_0 & var_59_arg_1 [L155] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L156] SORT_1 var_60_arg_0 = state_25; [L157] SORT_1 var_60_arg_1 = var_59; [L158] SORT_1 var_60_arg_2 = state_21; [L159] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L160] SORT_1 next_61_arg_1 = var_60; [L161] SORT_27 var_62_arg_0 = state_29; [L162] SORT_27 var_62_arg_1 = var_32; [L163] SORT_1 var_62 = var_62_arg_0 < var_62_arg_1; [L164] SORT_1 var_63_arg_0 = state_21; [L165] SORT_1 var_63_arg_1 = var_62; [L166] EXPR var_63_arg_0 & var_63_arg_1 [L166] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L167] SORT_1 var_64_arg_0 = state_23; [L168] SORT_1 var_64_arg_1 = var_63; [L169] EXPR var_64_arg_0 | var_64_arg_1 [L169] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L170] SORT_1 var_65_arg_0 = state_25; [L171] SORT_1 var_65_arg_1 = var_64; [L172] SORT_1 var_65_arg_2 = state_23; [L173] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L174] SORT_1 next_66_arg_1 = var_65; [L175] SORT_1 var_67_arg_0 = state_15; [L176] SORT_1 var_67 = ~var_67_arg_0; [L177] SORT_1 var_68_arg_0 = state_13; [L178] SORT_1 var_68_arg_1 = var_67; [L179] EXPR var_68_arg_0 & var_68_arg_1 [L179] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L180] SORT_1 var_69_arg_0 = state_17; [L181] SORT_1 var_69 = ~var_69_arg_0; [L182] SORT_1 var_70_arg_0 = var_68; [L183] SORT_1 var_70_arg_1 = var_69; [L184] EXPR var_70_arg_0 & var_70_arg_1 [L184] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L185] SORT_1 var_71_arg_0 = state_19; [L186] SORT_1 var_71 = ~var_71_arg_0; [L187] SORT_1 var_72_arg_0 = var_70; [L188] SORT_1 var_72_arg_1 = var_71; [L189] EXPR var_72_arg_0 & var_72_arg_1 [L189] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L190] SORT_1 var_73_arg_0 = state_21; [L191] SORT_1 var_73 = ~var_73_arg_0; [L192] SORT_1 var_74_arg_0 = var_72; [L193] SORT_1 var_74_arg_1 = var_73; [L194] EXPR var_74_arg_0 & var_74_arg_1 [L194] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L195] SORT_1 var_75_arg_0 = state_23; [L196] SORT_1 var_75 = ~var_75_arg_0; [L197] SORT_1 var_76_arg_0 = var_74; [L198] SORT_1 var_76_arg_1 = var_75; [L199] EXPR var_76_arg_0 & var_76_arg_1 [L199] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L200] SORT_1 var_77_arg_0 = state_4; [L201] SORT_1 var_77 = ~var_77_arg_0; [L202] SORT_1 var_78_arg_0 = var_76; [L203] SORT_1 var_78_arg_1 = var_77; [L204] EXPR var_78_arg_0 & var_78_arg_1 [L204] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L205] SORT_1 var_79_arg_0 = state_13; [L206] SORT_1 var_79 = ~var_79_arg_0; [L207] SORT_1 var_80_arg_0 = var_79; [L208] SORT_1 var_80_arg_1 = state_15; [L209] EXPR var_80_arg_0 & var_80_arg_1 [L209] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L210] SORT_1 var_81_arg_0 = state_17; [L211] SORT_1 var_81 = ~var_81_arg_0; [L212] SORT_1 var_82_arg_0 = var_80; [L213] SORT_1 var_82_arg_1 = var_81; [L214] EXPR var_82_arg_0 & var_82_arg_1 [L214] SORT_1 var_82 = var_82_arg_0 & var_82_arg_1; [L215] SORT_1 var_83_arg_0 = state_19; [L216] SORT_1 var_83 = ~var_83_arg_0; [L217] SORT_1 var_84_arg_0 = var_82; [L218] SORT_1 var_84_arg_1 = var_83; [L219] EXPR var_84_arg_0 & var_84_arg_1 [L219] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L220] SORT_1 var_85_arg_0 = state_21; [L221] SORT_1 var_85 = ~var_85_arg_0; [L222] SORT_1 var_86_arg_0 = var_84; [L223] SORT_1 var_86_arg_1 = var_85; [L224] EXPR var_86_arg_0 & var_86_arg_1 [L224] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L225] SORT_1 var_87_arg_0 = state_23; [L226] SORT_1 var_87 = ~var_87_arg_0; [L227] SORT_1 var_88_arg_0 = var_86; [L228] SORT_1 var_88_arg_1 = var_87; [L229] EXPR var_88_arg_0 & var_88_arg_1 [L229] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L230] SORT_1 var_89_arg_0 = state_4; [L231] SORT_1 var_89 = ~var_89_arg_0; [L232] SORT_1 var_90_arg_0 = var_88; [L233] SORT_1 var_90_arg_1 = var_89; [L234] EXPR var_90_arg_0 & var_90_arg_1 [L234] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L235] SORT_1 var_91_arg_0 = var_78; [L236] SORT_1 var_91_arg_1 = var_90; [L237] EXPR var_91_arg_0 | var_91_arg_1 [L237] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L238] SORT_1 var_92_arg_0 = state_13; [L239] SORT_1 var_92 = ~var_92_arg_0; [L240] SORT_1 var_93_arg_0 = state_15; [L241] SORT_1 var_93 = ~var_93_arg_0; [L242] SORT_1 var_94_arg_0 = var_92; [L243] SORT_1 var_94_arg_1 = var_93; [L244] EXPR var_94_arg_0 & var_94_arg_1 [L244] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L245] SORT_1 var_95_arg_0 = var_94; [L246] SORT_1 var_95_arg_1 = state_17; [L247] EXPR var_95_arg_0 & var_95_arg_1 [L247] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L248] SORT_1 var_96_arg_0 = state_19; [L249] SORT_1 var_96 = ~var_96_arg_0; [L250] SORT_1 var_97_arg_0 = var_95; [L251] SORT_1 var_97_arg_1 = var_96; [L252] EXPR var_97_arg_0 & var_97_arg_1 [L252] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L253] SORT_1 var_98_arg_0 = state_21; [L254] SORT_1 var_98 = ~var_98_arg_0; [L255] SORT_1 var_99_arg_0 = var_97; [L256] SORT_1 var_99_arg_1 = var_98; [L257] EXPR var_99_arg_0 & var_99_arg_1 [L257] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L258] SORT_1 var_100_arg_0 = state_23; [L259] SORT_1 var_100 = ~var_100_arg_0; [L260] SORT_1 var_101_arg_0 = var_99; [L261] SORT_1 var_101_arg_1 = var_100; [L262] EXPR var_101_arg_0 & var_101_arg_1 [L262] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L263] SORT_1 var_102_arg_0 = state_4; [L264] SORT_1 var_102 = ~var_102_arg_0; [L265] SORT_1 var_103_arg_0 = var_101; [L266] SORT_1 var_103_arg_1 = var_102; [L267] EXPR var_103_arg_0 & var_103_arg_1 [L267] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L268] SORT_1 var_104_arg_0 = var_91; [L269] SORT_1 var_104_arg_1 = var_103; [L270] EXPR var_104_arg_0 | var_104_arg_1 [L270] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L271] SORT_1 var_105_arg_0 = state_13; [L272] SORT_1 var_105 = ~var_105_arg_0; [L273] SORT_1 var_106_arg_0 = state_15; [L274] SORT_1 var_106 = ~var_106_arg_0; [L275] SORT_1 var_107_arg_0 = var_105; [L276] SORT_1 var_107_arg_1 = var_106; [L277] EXPR var_107_arg_0 & var_107_arg_1 [L277] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L278] SORT_1 var_108_arg_0 = state_17; [L279] SORT_1 var_108 = ~var_108_arg_0; [L280] SORT_1 var_109_arg_0 = var_107; [L281] SORT_1 var_109_arg_1 = var_108; [L282] EXPR var_109_arg_0 & var_109_arg_1 [L282] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L283] SORT_1 var_110_arg_0 = var_109; [L284] SORT_1 var_110_arg_1 = state_19; [L285] EXPR var_110_arg_0 & var_110_arg_1 [L285] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L286] SORT_1 var_111_arg_0 = state_21; [L287] SORT_1 var_111 = ~var_111_arg_0; [L288] SORT_1 var_112_arg_0 = var_110; [L289] SORT_1 var_112_arg_1 = var_111; [L290] EXPR var_112_arg_0 & var_112_arg_1 [L290] SORT_1 var_112 = var_112_arg_0 & var_112_arg_1; [L291] SORT_1 var_113_arg_0 = state_23; [L292] SORT_1 var_113 = ~var_113_arg_0; [L293] SORT_1 var_114_arg_0 = var_112; [L294] SORT_1 var_114_arg_1 = var_113; [L295] EXPR var_114_arg_0 & var_114_arg_1 [L295] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L296] SORT_1 var_115_arg_0 = state_4; [L297] SORT_1 var_115 = ~var_115_arg_0; [L298] SORT_1 var_116_arg_0 = var_114; [L299] SORT_1 var_116_arg_1 = var_115; [L300] EXPR var_116_arg_0 & var_116_arg_1 [L300] SORT_1 var_116 = var_116_arg_0 & var_116_arg_1; [L301] SORT_1 var_117_arg_0 = var_104; [L302] SORT_1 var_117_arg_1 = var_116; [L303] EXPR var_117_arg_0 | var_117_arg_1 [L303] SORT_1 var_117 = var_117_arg_0 | var_117_arg_1; [L304] SORT_1 var_118_arg_0 = state_13; [L305] SORT_1 var_118 = ~var_118_arg_0; [L306] SORT_1 var_119_arg_0 = state_15; [L307] SORT_1 var_119 = ~var_119_arg_0; [L308] SORT_1 var_120_arg_0 = var_118; [L309] SORT_1 var_120_arg_1 = var_119; [L310] EXPR var_120_arg_0 & var_120_arg_1 [L310] SORT_1 var_120 = var_120_arg_0 & var_120_arg_1; [L311] SORT_1 var_121_arg_0 = state_17; [L312] SORT_1 var_121 = ~var_121_arg_0; [L313] SORT_1 var_122_arg_0 = var_120; [L314] SORT_1 var_122_arg_1 = var_121; [L315] EXPR var_122_arg_0 & var_122_arg_1 [L315] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L316] SORT_1 var_123_arg_0 = state_19; [L317] SORT_1 var_123 = ~var_123_arg_0; [L318] SORT_1 var_124_arg_0 = var_122; [L319] SORT_1 var_124_arg_1 = var_123; [L320] EXPR var_124_arg_0 & var_124_arg_1 [L320] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L321] SORT_1 var_125_arg_0 = var_124; [L322] SORT_1 var_125_arg_1 = state_21; [L323] EXPR var_125_arg_0 & var_125_arg_1 [L323] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L324] SORT_1 var_126_arg_0 = state_23; [L325] SORT_1 var_126 = ~var_126_arg_0; [L326] SORT_1 var_127_arg_0 = var_125; [L327] SORT_1 var_127_arg_1 = var_126; [L328] EXPR var_127_arg_0 & var_127_arg_1 [L328] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L329] SORT_1 var_128_arg_0 = state_4; [L330] SORT_1 var_128 = ~var_128_arg_0; [L331] SORT_1 var_129_arg_0 = var_127; [L332] SORT_1 var_129_arg_1 = var_128; [L333] EXPR var_129_arg_0 & var_129_arg_1 [L333] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L334] SORT_1 var_130_arg_0 = var_117; [L335] SORT_1 var_130_arg_1 = var_129; [L336] EXPR var_130_arg_0 | var_130_arg_1 [L336] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L337] SORT_1 var_131_arg_0 = state_13; [L338] SORT_1 var_131 = ~var_131_arg_0; [L339] SORT_1 var_132_arg_0 = state_15; [L340] SORT_1 var_132 = ~var_132_arg_0; [L341] SORT_1 var_133_arg_0 = var_131; [L342] SORT_1 var_133_arg_1 = var_132; [L343] EXPR var_133_arg_0 & var_133_arg_1 [L343] SORT_1 var_133 = var_133_arg_0 & var_133_arg_1; [L344] SORT_1 var_134_arg_0 = state_17; [L345] SORT_1 var_134 = ~var_134_arg_0; [L346] SORT_1 var_135_arg_0 = var_133; [L347] SORT_1 var_135_arg_1 = var_134; [L348] EXPR var_135_arg_0 & var_135_arg_1 [L348] SORT_1 var_135 = var_135_arg_0 & var_135_arg_1; [L349] SORT_1 var_136_arg_0 = state_19; [L350] SORT_1 var_136 = ~var_136_arg_0; [L351] SORT_1 var_137_arg_0 = var_135; [L352] SORT_1 var_137_arg_1 = var_136; [L353] EXPR var_137_arg_0 & var_137_arg_1 [L353] SORT_1 var_137 = var_137_arg_0 & var_137_arg_1; [L354] SORT_1 var_138_arg_0 = state_21; [L355] SORT_1 var_138 = ~var_138_arg_0; [L356] SORT_1 var_139_arg_0 = var_137; [L357] SORT_1 var_139_arg_1 = var_138; [L358] EXPR var_139_arg_0 & var_139_arg_1 [L358] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L359] SORT_1 var_140_arg_0 = var_139; [L360] SORT_1 var_140_arg_1 = state_23; [L361] EXPR var_140_arg_0 & var_140_arg_1 [L361] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L362] SORT_1 var_141_arg_0 = state_4; [L363] SORT_1 var_141 = ~var_141_arg_0; [L364] SORT_1 var_142_arg_0 = var_140; [L365] SORT_1 var_142_arg_1 = var_141; [L366] EXPR var_142_arg_0 & var_142_arg_1 [L366] SORT_1 var_142 = var_142_arg_0 & var_142_arg_1; [L367] SORT_1 var_143_arg_0 = var_130; [L368] SORT_1 var_143_arg_1 = var_142; [L369] EXPR var_143_arg_0 | var_143_arg_1 [L369] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L370] SORT_1 var_144_arg_0 = state_13; [L371] SORT_1 var_144 = ~var_144_arg_0; [L372] SORT_1 var_145_arg_0 = state_15; [L373] SORT_1 var_145 = ~var_145_arg_0; [L374] SORT_1 var_146_arg_0 = var_144; [L375] SORT_1 var_146_arg_1 = var_145; [L376] EXPR var_146_arg_0 & var_146_arg_1 [L376] SORT_1 var_146 = var_146_arg_0 & var_146_arg_1; [L377] SORT_1 var_147_arg_0 = state_17; [L378] SORT_1 var_147 = ~var_147_arg_0; [L379] SORT_1 var_148_arg_0 = var_146; [L380] SORT_1 var_148_arg_1 = var_147; [L381] EXPR var_148_arg_0 & var_148_arg_1 [L381] SORT_1 var_148 = var_148_arg_0 & var_148_arg_1; [L382] SORT_1 var_149_arg_0 = state_19; [L383] SORT_1 var_149 = ~var_149_arg_0; [L384] SORT_1 var_150_arg_0 = var_148; [L385] SORT_1 var_150_arg_1 = var_149; [L386] EXPR var_150_arg_0 & var_150_arg_1 [L386] SORT_1 var_150 = var_150_arg_0 & var_150_arg_1; [L387] SORT_1 var_151_arg_0 = state_21; [L388] SORT_1 var_151 = ~var_151_arg_0; [L389] SORT_1 var_152_arg_0 = var_150; [L390] SORT_1 var_152_arg_1 = var_151; [L391] EXPR var_152_arg_0 & var_152_arg_1 [L391] SORT_1 var_152 = var_152_arg_0 & var_152_arg_1; [L392] SORT_1 var_153_arg_0 = state_23; [L393] SORT_1 var_153 = ~var_153_arg_0; [L394] SORT_1 var_154_arg_0 = var_152; [L395] SORT_1 var_154_arg_1 = var_153; [L396] EXPR var_154_arg_0 & var_154_arg_1 [L396] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L397] SORT_1 var_155_arg_0 = var_154; [L398] SORT_1 var_155_arg_1 = state_4; [L399] EXPR var_155_arg_0 & var_155_arg_1 [L399] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L400] SORT_1 var_156_arg_0 = var_143; [L401] SORT_1 var_156_arg_1 = var_155; [L402] EXPR var_156_arg_0 | var_156_arg_1 [L402] SORT_1 var_156 = var_156_arg_0 | var_156_arg_1; [L403] EXPR var_156 & mask_SORT_1 [L403] var_156 = var_156 & mask_SORT_1 [L404] SORT_1 next_157_arg_1 = var_156; [L405] SORT_27 var_160_arg_0 = state_29; [L406] SORT_27 var_160_arg_1 = var_32; [L407] SORT_1 var_160 = var_160_arg_0 < var_160_arg_1; [L408] SORT_27 var_159_arg_0 = state_29; [L409] SORT_27 var_159_arg_1 = var_158; [L410] SORT_27 var_159 = var_159_arg_0 + var_159_arg_1; [L411] SORT_1 var_161_arg_0 = var_160; [L412] SORT_27 var_161_arg_1 = var_159; [L413] SORT_27 var_161_arg_2 = state_29; [L414] SORT_27 var_161 = var_161_arg_0 ? var_161_arg_1 : var_161_arg_2; [L415] SORT_1 var_162_arg_0 = state_15; [L416] SORT_27 var_162_arg_1 = var_161; [L417] SORT_27 var_162_arg_2 = state_29; [L418] SORT_27 var_162 = var_162_arg_0 ? var_162_arg_1 : var_162_arg_2; [L419] SORT_1 var_163_arg_0 = state_25; [L420] SORT_27 var_163_arg_1 = var_162; [L421] SORT_27 var_163_arg_2 = state_29; [L422] SORT_27 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; [L423] EXPR var_163 & mask_SORT_27 [L423] var_163 = var_163 & mask_SORT_27 [L424] SORT_27 next_164_arg_1 = var_163; [L426] state_4 = next_42_arg_1 [L427] state_13 = next_44_arg_1 [L428] state_15 = next_50_arg_1 [L429] state_17 = next_54_arg_1 [L430] state_19 = next_56_arg_1 [L431] state_21 = next_61_arg_1 [L432] state_23 = next_66_arg_1 [L433] state_25 = next_157_arg_1 [L434] state_29 = next_164_arg_1 [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; [L80] EXPR var_11_arg_0 & var_11_arg_1 [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] EXPR var_11 & mask_SORT_1 [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_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: 43.2s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 16.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 16.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 16.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=2, InterpolantAutomatonStates: 10, 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, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 12.4s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 6 NumberOfNonLiveVariables, 147 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 0/6 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 05:02:25,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 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_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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_4c0adbf7-3605-4c79-8911-52fde05312a8/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 7e5038cf4746b0d33da8db40d97242789791fda4fe0e15050faace48f6985f4f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:02:28,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:02:28,505 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 05:02:28,512 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:02:28,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:02:28,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:02:28,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:02:28,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:02:28,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:02:28,551 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:02:28,552 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:02:28,552 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:02:28,552 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:02:28,552 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:02:28,552 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:02:28,553 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:02:28,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:02:28,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:02:28,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:02:28,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:02:28,554 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:02:28,554 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:02:28,554 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:02:28,554 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:02:28,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:02:28,555 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:02:28,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:02:28,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:02:28,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:02:28,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:02:28,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:02:28,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:02:28,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:28,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:02:28,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:02:28,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:02:28,557 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:02:28,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:02:28,557 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:02:28,557 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:02:28,557 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_4c0adbf7-3605-4c79-8911-52fde05312a8/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 -> 7e5038cf4746b0d33da8db40d97242789791fda4fe0e15050faace48f6985f4f [2024-11-14 05:02:28,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:02:28,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:02:28,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:02:28,873 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:02:28,873 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:02:28,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c Unable to find full path for "g++" [2024-11-14 05:02:30,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:02:31,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:02:31,117 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c [2024-11-14 05:02:31,129 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/data/79c9121c7/6d2aef7fc1164713998d65b610d501af/FLAG5e2d8d95e [2024-11-14 05:02:31,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/data/79c9121c7/6d2aef7fc1164713998d65b610d501af [2024-11-14 05:02:31,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:02:31,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:02:31,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:31,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:02:31,164 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:02:31,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,167 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebe7064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31, skipping insertion in model container [2024-11-14 05:02:31,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:02:31,402 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_4c0adbf7-3605-4c79-8911-52fde05312a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c[1249,1262] [2024-11-14 05:02:31,527 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:31,539 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:02:31,550 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_4c0adbf7-3605-4c79-8911-52fde05312a8/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sw_loop_v.c[1249,1262] [2024-11-14 05:02:31,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:02:31,684 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:02:31,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31 WrapperNode [2024-11-14 05:02:31,685 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:02:31,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:31,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:02:31,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:02:31,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,718 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,770 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 436 [2024-11-14 05:02:31,771 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:02:31,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:02:31,772 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:02:31,772 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:02:31,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,840 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:02:31,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:02:31,848 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:02:31,848 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:02:31,849 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (1/1) ... [2024-11-14 05:02:31,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:02:31,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:02:31,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:02:31,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:02:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:02:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:02:31,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:02:31,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:02:32,147 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:02:32,149 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:02:32,598 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-14 05:02:32,598 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:02:32,606 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:02:32,607 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:02:32,607 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:32 BoogieIcfgContainer [2024-11-14 05:02:32,607 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:02:32,609 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:02:32,610 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:02:32,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:02:32,614 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:02:31" (1/3) ... [2024-11-14 05:02:32,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bfc982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:32, skipping insertion in model container [2024-11-14 05:02:32,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:02:31" (2/3) ... [2024-11-14 05:02:32,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23bfc982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:02:32, skipping insertion in model container [2024-11-14 05:02:32,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:32" (3/3) ... [2024-11-14 05:02:32,617 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sw_loop_v.c [2024-11-14 05:02:32,631 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:02:32,633 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.sw_loop_v.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:02:32,679 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:02:32,691 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;@57df8dfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:02:32,691 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:02:32,696 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 05:02:32,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 05:02:32,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:32,701 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 05:02:32,701 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:32,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:32,705 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 05:02:32,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:02:32,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [382637111] [2024-11-14 05:02:32,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:32,714 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 05:02:32,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:02:32,718 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:32,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:32,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 05:02:32,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:33,086 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 05:02:33,087 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:02:33,087 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:02:33,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [382637111] [2024-11-14 05:02:33,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [382637111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:02:33,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:33,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:02:33,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916394465] [2024-11-14 05:02:33,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:02:33,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:02:33,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:02:33,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:02:33,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:02:33,121 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 05:02:33,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:33,185 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 05:02:33,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:02:33,190 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 05:02:33,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:33,197 INFO L225 Difference]: With dead ends: 18 [2024-11-14 05:02:33,197 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 05:02:33,200 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 05:02:33,205 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 05:02:33,206 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 05:02:33,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 05:02:33,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 05:02:33,231 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 05:02:33,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 05:02:33,237 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 05:02:33,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:33,238 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 05:02:33,238 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 05:02:33,239 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 05:02:33,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 05:02:33,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:33,240 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 05:02:33,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:33,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:33,441 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:33,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:33,441 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 05:02:33,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:02:33,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402248545] [2024-11-14 05:02:33,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:33,442 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 05:02:33,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:02:33,446 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:33,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:33,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:33,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-14 05:02:33,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:33,991 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 05:02:33,993 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:02:34,622 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 05:02:34,622 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:02:34,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402248545] [2024-11-14 05:02:34,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402248545] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:02:34,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [751941533] [2024-11-14 05:02:34,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:34,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:02:34,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:02:34,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:02:34,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-14 05:02:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:34,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 05:02:34,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:35,119 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 05:02:35,120 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:02:35,425 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 05:02:35,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [751941533] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:02:35,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [411185048] [2024-11-14 05:02:35,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:02:35,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:02:35,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:02:35,429 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:02:35,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 05:02:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:02:35,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 05:02:35,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:35,784 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 05:02:35,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:02:36,109 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 05:02:36,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [411185048] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 05:02:36,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-14 05:02:36,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 13 [2024-11-14 05:02:36,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970681929] [2024-11-14 05:02:36,111 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-14 05:02:36,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 05:02:36,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:02:36,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 05:02:36,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2024-11-14 05:02:36,112 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 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 05:02:36,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:02:36,427 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2024-11-14 05:02:36,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 05:02:36,428 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 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) Word has length 8 [2024-11-14 05:02:36,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:02:36,429 INFO L225 Difference]: With dead ends: 18 [2024-11-14 05:02:36,429 INFO L226 Difference]: Without dead ends: 16 [2024-11-14 05:02:36,429 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2024-11-14 05:02:36,432 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 8 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:02:36,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 13 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:02:36,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2024-11-14 05:02:36,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2024-11-14 05:02:36,437 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 05:02:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-14 05:02:36,438 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 8 [2024-11-14 05:02:36,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:02:36,438 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-14 05:02:36,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.076923076923077) internal successors, (27), 13 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 05:02:36,439 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-14 05:02:36,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-14 05:02:36,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:02:36,440 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-14 05:02:36,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-14 05:02:36,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:36,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-14 05:02:37,043 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:02:37,044 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:02:37,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:02:37,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1333570723, now seen corresponding path program 2 times [2024-11-14 05:02:37,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:02:37,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2033919494] [2024-11-14 05:02:37,045 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 05:02:37,045 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 05:02:37,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:02:37,051 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:37,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:37,345 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 05:02:37,345 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 05:02:37,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-14 05:02:37,367 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:02:38,257 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 05:02:38,257 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 05:02:45,331 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-14 05:02:45,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2024-11-14 05:02:45,332 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:02:45,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2033919494] [2024-11-14 05:02:45,332 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") [2024-11-14 05:02:45,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2009105892] [2024-11-14 05:02:45,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 05:02:45,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-14 05:02:45,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 [2024-11-14 05:02:45,334 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-14 05:02:45,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-14 05:02:45,461 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@a70510 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:90) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.decoupleArrayValues(TransFormulaUtils.java:1295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:386) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:84) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:276) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 05:02:45,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60366702] [2024-11-14 05:02:45,465 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 05:02:45,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 05:02:45,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:02:45,470 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 05:02:45,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 05:02:45,565 FATAL L? ?]: Ignoring exception! java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@a70510 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.variables.ProgramVarUtils.constructConstantForAuxVar(ProgramVarUtils.java:116) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.computeClosedFormula(UnmodifiableTransFormula.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.(UnmodifiableTransFormula.java:90) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:320) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.decoupleArrayValues(TransFormulaUtils.java:1295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:386) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:84) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:276) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:143) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-14 05:02:45,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:02:45,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2024-11-14 05:02:45,570 ERROR L171 FreeRefinementEngine]: Strategy WALRUS failed to provide any proof altough trace is infeasible [2024-11-14 05:02:45,570 INFO L325 BasicCegarLoop]: Counterexample might be feasible [2024-11-14 05:02:45,577 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:02:45,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-14 05:02:45,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-14 05:02:45,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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)] Forceful destruction successful, exit code 0 [2024-11-14 05:02:46,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/bin/utaipan-verify-sOmjnqqW8E/z3 -smt2 -in SMTLIB2_COMPLIANT=true,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c0adbf7-3605-4c79-8911-52fde05312a8/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 05:02:46,183 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1] [2024-11-14 05:02:46,227 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:02:46,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:02:46 BoogieIcfgContainer [2024-11-14 05:02:46,230 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:02:46,231 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:02:46,231 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:02:46,232 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:02:46,232 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:02:32" (3/4) ... [2024-11-14 05:02:46,234 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:02:46,235 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:02:46,236 INFO L158 Benchmark]: Toolchain (without parser) took 15080.18ms. Allocated memory was 83.9MB in the beginning and 251.7MB in the end (delta: 167.8MB). Free memory was 60.2MB in the beginning and 175.5MB in the end (delta: -115.3MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2024-11-14 05:02:46,236 INFO L158 Benchmark]: CDTParser took 0.36ms. 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 05:02:46,237 INFO L158 Benchmark]: CACSL2BoogieTranslator took 527.39ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 39.3MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-14 05:02:46,237 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.88ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 35.3MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-14 05:02:46,237 INFO L158 Benchmark]: Boogie Preprocessor took 72.06ms. Allocated memory is still 83.9MB. Free memory was 35.3MB in the beginning and 32.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:46,238 INFO L158 Benchmark]: RCFGBuilder took 763.04ms. Allocated memory is still 83.9MB. Free memory was 32.9MB in the beginning and 52.5MB in the end (delta: -19.5MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-11-14 05:02:46,238 INFO L158 Benchmark]: TraceAbstraction took 13621.13ms. Allocated memory was 83.9MB in the beginning and 251.7MB in the end (delta: 167.8MB). Free memory was 51.9MB in the beginning and 175.5MB in the end (delta: -123.5MB). Peak memory consumption was 147.1MB. Max. memory is 16.1GB. [2024-11-14 05:02:46,238 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 251.7MB. Free memory is still 175.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:02:46,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 83.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 527.39ms. Allocated memory is still 83.9MB. Free memory was 59.9MB in the beginning and 39.3MB in the end (delta: 20.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.88ms. Allocated memory is still 83.9MB. Free memory was 39.3MB in the beginning and 35.3MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.06ms. Allocated memory is still 83.9MB. Free memory was 35.3MB in the beginning and 32.9MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 763.04ms. Allocated memory is still 83.9MB. Free memory was 32.9MB in the beginning and 52.5MB in the end (delta: -19.5MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * TraceAbstraction took 13621.13ms. Allocated memory was 83.9MB in the beginning and 251.7MB in the end (delta: 167.8MB). Free memory was 51.9MB in the beginning and 175.5MB in the end (delta: -123.5MB). Peak memory consumption was 147.1MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 251.7MB. Free memory is still 175.5MB. 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: unable to decide satisfiability of path constraint. 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_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 6); [L30] const SORT_27 msb_SORT_27 = (SORT_27)1 << (6 - 1); [L32] const SORT_1 var_3 = 0; [L33] const SORT_1 var_9 = 1; [L34] const SORT_27 var_28 = 1; [L35] const SORT_27 var_32 = 19; [L36] const SORT_27 var_45 = 17; [L37] const SORT_27 var_158 = 3; [L39] SORT_1 input_2; [L41] SORT_1 state_4 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L42] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L43] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L44] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_27 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_27; [L51] SORT_1 init_5_arg_1 = var_3; [L52] state_4 = init_5_arg_1 [L53] SORT_1 init_14_arg_1 = var_9; [L54] state_13 = init_14_arg_1 [L55] SORT_1 init_16_arg_1 = var_3; [L56] state_15 = init_16_arg_1 [L57] SORT_1 init_18_arg_1 = var_3; [L58] state_17 = init_18_arg_1 [L59] SORT_1 init_20_arg_1 = var_3; [L60] state_19 = init_20_arg_1 [L61] SORT_1 init_22_arg_1 = var_3; [L62] state_21 = init_22_arg_1 [L63] SORT_1 init_24_arg_1 = var_3; [L64] state_23 = init_24_arg_1 [L65] SORT_1 init_26_arg_1 = var_9; [L66] state_25 = init_26_arg_1 [L67] SORT_27 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L21] COND FALSE !(!(cond)) [L83] RET __VERIFIER_assert(!(bad_12_arg_0)) [L85] SORT_27 var_33_arg_0 = state_29; [L86] SORT_27 var_33_arg_1 = var_32; [L87] SORT_1 var_33 = var_33_arg_0 < var_33_arg_1; [L88] SORT_1 var_34_arg_0 = var_33; [L89] SORT_1 var_34 = ~var_34_arg_0; [L90] SORT_1 var_35_arg_0 = state_15; [L91] SORT_1 var_35_arg_1 = var_34; [L92] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L93] SORT_1 var_36_arg_0 = state_4; [L94] SORT_1 var_36_arg_1 = var_35; [L95] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L96] SORT_27 var_37_arg_0 = state_29; [L97] SORT_27 var_37_arg_1 = var_32; [L98] SORT_1 var_37 = var_37_arg_0 < var_37_arg_1; [L99] SORT_1 var_38_arg_0 = var_37; [L100] SORT_1 var_38 = ~var_38_arg_0; [L101] SORT_1 var_39_arg_0 = state_21; [L102] SORT_1 var_39_arg_1 = var_38; [L103] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L104] SORT_1 var_40_arg_0 = var_36; [L105] SORT_1 var_40_arg_1 = var_39; [L106] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L107] SORT_1 var_41_arg_0 = state_25; [L108] SORT_1 var_41_arg_1 = var_40; [L109] SORT_1 var_41_arg_2 = state_4; [L110] SORT_1 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L111] SORT_1 next_42_arg_1 = var_41; [L112] SORT_1 var_43_arg_0 = state_25; [L113] SORT_1 var_43_arg_1 = var_3; [L114] SORT_1 var_43_arg_2 = state_13; [L115] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L116] SORT_1 next_44_arg_1 = var_43; [L117] SORT_27 var_46_arg_0 = state_29; [L118] SORT_27 var_46_arg_1 = var_45; [L119] SORT_1 var_46 = var_46_arg_0 < var_46_arg_1; [L120] SORT_1 var_47_arg_0 = state_19; [L121] SORT_1 var_47_arg_1 = var_46; [L122] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L123] SORT_1 var_48_arg_0 = state_13; [L124] SORT_1 var_48_arg_1 = var_47; [L125] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L126] SORT_1 var_49_arg_0 = state_25; [L127] SORT_1 var_49_arg_1 = var_48; [L128] SORT_1 var_49_arg_2 = state_15; [L129] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L130] var_49 = var_49 & mask_SORT_1 [L131] SORT_1 next_50_arg_1 = var_49; [L132] SORT_27 var_51_arg_0 = state_29; [L133] SORT_27 var_51_arg_1 = var_32; [L134] SORT_1 var_51 = var_51_arg_0 < var_51_arg_1; [L135] SORT_1 var_52_arg_0 = state_15; [L136] SORT_1 var_52_arg_1 = var_51; [L137] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L138] SORT_1 var_53_arg_0 = state_25; [L139] SORT_1 var_53_arg_1 = var_52; [L140] SORT_1 var_53_arg_2 = state_17; [L141] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L142] SORT_1 next_54_arg_1 = var_53; [L143] SORT_1 var_55_arg_0 = state_25; [L144] SORT_1 var_55_arg_1 = state_17; [L145] SORT_1 var_55_arg_2 = state_19; [L146] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L147] SORT_1 next_56_arg_1 = var_55; [L148] SORT_27 var_57_arg_0 = state_29; [L149] SORT_27 var_57_arg_1 = var_45; [L150] SORT_1 var_57 = var_57_arg_0 < var_57_arg_1; [L151] SORT_1 var_58_arg_0 = var_57; [L152] SORT_1 var_58 = ~var_58_arg_0; [L153] SORT_1 var_59_arg_0 = state_19; [L154] SORT_1 var_59_arg_1 = var_58; [L155] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L156] SORT_1 var_60_arg_0 = state_25; [L157] SORT_1 var_60_arg_1 = var_59; [L158] SORT_1 var_60_arg_2 = state_21; [L159] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L160] SORT_1 next_61_arg_1 = var_60; [L161] SORT_27 var_62_arg_0 = state_29; [L162] SORT_27 var_62_arg_1 = var_32; [L163] SORT_1 var_62 = var_62_arg_0 < var_62_arg_1; [L164] SORT_1 var_63_arg_0 = state_21; [L165] SORT_1 var_63_arg_1 = var_62; [L166] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L167] SORT_1 var_64_arg_0 = state_23; [L168] SORT_1 var_64_arg_1 = var_63; [L169] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L170] SORT_1 var_65_arg_0 = state_25; [L171] SORT_1 var_65_arg_1 = var_64; [L172] SORT_1 var_65_arg_2 = state_23; [L173] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L174] SORT_1 next_66_arg_1 = var_65; [L175] SORT_1 var_67_arg_0 = state_15; [L176] SORT_1 var_67 = ~var_67_arg_0; [L177] SORT_1 var_68_arg_0 = state_13; [L178] SORT_1 var_68_arg_1 = var_67; [L179] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L180] SORT_1 var_69_arg_0 = state_17; [L181] SORT_1 var_69 = ~var_69_arg_0; [L182] SORT_1 var_70_arg_0 = var_68; [L183] SORT_1 var_70_arg_1 = var_69; [L184] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L185] SORT_1 var_71_arg_0 = state_19; [L186] SORT_1 var_71 = ~var_71_arg_0; [L187] SORT_1 var_72_arg_0 = var_70; [L188] SORT_1 var_72_arg_1 = var_71; [L189] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L190] SORT_1 var_73_arg_0 = state_21; [L191] SORT_1 var_73 = ~var_73_arg_0; [L192] SORT_1 var_74_arg_0 = var_72; [L193] SORT_1 var_74_arg_1 = var_73; [L194] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L195] SORT_1 var_75_arg_0 = state_23; [L196] SORT_1 var_75 = ~var_75_arg_0; [L197] SORT_1 var_76_arg_0 = var_74; [L198] SORT_1 var_76_arg_1 = var_75; [L199] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L200] SORT_1 var_77_arg_0 = state_4; [L201] SORT_1 var_77 = ~var_77_arg_0; [L202] SORT_1 var_78_arg_0 = var_76; [L203] SORT_1 var_78_arg_1 = var_77; [L204] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L205] SORT_1 var_79_arg_0 = state_13; [L206] SORT_1 var_79 = ~var_79_arg_0; [L207] SORT_1 var_80_arg_0 = var_79; [L208] SORT_1 var_80_arg_1 = state_15; [L209] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L210] SORT_1 var_81_arg_0 = state_17; [L211] SORT_1 var_81 = ~var_81_arg_0; [L212] SORT_1 var_82_arg_0 = var_80; [L213] SORT_1 var_82_arg_1 = var_81; [L214] SORT_1 var_82 = var_82_arg_0 & var_82_arg_1; [L215] SORT_1 var_83_arg_0 = state_19; [L216] SORT_1 var_83 = ~var_83_arg_0; [L217] SORT_1 var_84_arg_0 = var_82; [L218] SORT_1 var_84_arg_1 = var_83; [L219] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L220] SORT_1 var_85_arg_0 = state_21; [L221] SORT_1 var_85 = ~var_85_arg_0; [L222] SORT_1 var_86_arg_0 = var_84; [L223] SORT_1 var_86_arg_1 = var_85; [L224] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L225] SORT_1 var_87_arg_0 = state_23; [L226] SORT_1 var_87 = ~var_87_arg_0; [L227] SORT_1 var_88_arg_0 = var_86; [L228] SORT_1 var_88_arg_1 = var_87; [L229] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L230] SORT_1 var_89_arg_0 = state_4; [L231] SORT_1 var_89 = ~var_89_arg_0; [L232] SORT_1 var_90_arg_0 = var_88; [L233] SORT_1 var_90_arg_1 = var_89; [L234] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L235] SORT_1 var_91_arg_0 = var_78; [L236] SORT_1 var_91_arg_1 = var_90; [L237] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L238] SORT_1 var_92_arg_0 = state_13; [L239] SORT_1 var_92 = ~var_92_arg_0; [L240] SORT_1 var_93_arg_0 = state_15; [L241] SORT_1 var_93 = ~var_93_arg_0; [L242] SORT_1 var_94_arg_0 = var_92; [L243] SORT_1 var_94_arg_1 = var_93; [L244] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L245] SORT_1 var_95_arg_0 = var_94; [L246] SORT_1 var_95_arg_1 = state_17; [L247] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L248] SORT_1 var_96_arg_0 = state_19; [L249] SORT_1 var_96 = ~var_96_arg_0; [L250] SORT_1 var_97_arg_0 = var_95; [L251] SORT_1 var_97_arg_1 = var_96; [L252] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L253] SORT_1 var_98_arg_0 = state_21; [L254] SORT_1 var_98 = ~var_98_arg_0; [L255] SORT_1 var_99_arg_0 = var_97; [L256] SORT_1 var_99_arg_1 = var_98; [L257] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L258] SORT_1 var_100_arg_0 = state_23; [L259] SORT_1 var_100 = ~var_100_arg_0; [L260] SORT_1 var_101_arg_0 = var_99; [L261] SORT_1 var_101_arg_1 = var_100; [L262] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L263] SORT_1 var_102_arg_0 = state_4; [L264] SORT_1 var_102 = ~var_102_arg_0; [L265] SORT_1 var_103_arg_0 = var_101; [L266] SORT_1 var_103_arg_1 = var_102; [L267] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L268] SORT_1 var_104_arg_0 = var_91; [L269] SORT_1 var_104_arg_1 = var_103; [L270] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L271] SORT_1 var_105_arg_0 = state_13; [L272] SORT_1 var_105 = ~var_105_arg_0; [L273] SORT_1 var_106_arg_0 = state_15; [L274] SORT_1 var_106 = ~var_106_arg_0; [L275] SORT_1 var_107_arg_0 = var_105; [L276] SORT_1 var_107_arg_1 = var_106; [L277] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L278] SORT_1 var_108_arg_0 = state_17; [L279] SORT_1 var_108 = ~var_108_arg_0; [L280] SORT_1 var_109_arg_0 = var_107; [L281] SORT_1 var_109_arg_1 = var_108; [L282] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L283] SORT_1 var_110_arg_0 = var_109; [L284] SORT_1 var_110_arg_1 = state_19; [L285] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L286] SORT_1 var_111_arg_0 = state_21; [L287] SORT_1 var_111 = ~var_111_arg_0; [L288] SORT_1 var_112_arg_0 = var_110; [L289] SORT_1 var_112_arg_1 = var_111; [L290] SORT_1 var_112 = var_112_arg_0 & var_112_arg_1; [L291] SORT_1 var_113_arg_0 = state_23; [L292] SORT_1 var_113 = ~var_113_arg_0; [L293] SORT_1 var_114_arg_0 = var_112; [L294] SORT_1 var_114_arg_1 = var_113; [L295] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L296] SORT_1 var_115_arg_0 = state_4; [L297] SORT_1 var_115 = ~var_115_arg_0; [L298] SORT_1 var_116_arg_0 = var_114; [L299] SORT_1 var_116_arg_1 = var_115; [L300] SORT_1 var_116 = var_116_arg_0 & var_116_arg_1; [L301] SORT_1 var_117_arg_0 = var_104; [L302] SORT_1 var_117_arg_1 = var_116; [L303] SORT_1 var_117 = var_117_arg_0 | var_117_arg_1; [L304] SORT_1 var_118_arg_0 = state_13; [L305] SORT_1 var_118 = ~var_118_arg_0; [L306] SORT_1 var_119_arg_0 = state_15; [L307] SORT_1 var_119 = ~var_119_arg_0; [L308] SORT_1 var_120_arg_0 = var_118; [L309] SORT_1 var_120_arg_1 = var_119; [L310] SORT_1 var_120 = var_120_arg_0 & var_120_arg_1; [L311] SORT_1 var_121_arg_0 = state_17; [L312] SORT_1 var_121 = ~var_121_arg_0; [L313] SORT_1 var_122_arg_0 = var_120; [L314] SORT_1 var_122_arg_1 = var_121; [L315] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L316] SORT_1 var_123_arg_0 = state_19; [L317] SORT_1 var_123 = ~var_123_arg_0; [L318] SORT_1 var_124_arg_0 = var_122; [L319] SORT_1 var_124_arg_1 = var_123; [L320] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L321] SORT_1 var_125_arg_0 = var_124; [L322] SORT_1 var_125_arg_1 = state_21; [L323] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L324] SORT_1 var_126_arg_0 = state_23; [L325] SORT_1 var_126 = ~var_126_arg_0; [L326] SORT_1 var_127_arg_0 = var_125; [L327] SORT_1 var_127_arg_1 = var_126; [L328] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L329] SORT_1 var_128_arg_0 = state_4; [L330] SORT_1 var_128 = ~var_128_arg_0; [L331] SORT_1 var_129_arg_0 = var_127; [L332] SORT_1 var_129_arg_1 = var_128; [L333] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L334] SORT_1 var_130_arg_0 = var_117; [L335] SORT_1 var_130_arg_1 = var_129; [L336] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L337] SORT_1 var_131_arg_0 = state_13; [L338] SORT_1 var_131 = ~var_131_arg_0; [L339] SORT_1 var_132_arg_0 = state_15; [L340] SORT_1 var_132 = ~var_132_arg_0; [L341] SORT_1 var_133_arg_0 = var_131; [L342] SORT_1 var_133_arg_1 = var_132; [L343] SORT_1 var_133 = var_133_arg_0 & var_133_arg_1; [L344] SORT_1 var_134_arg_0 = state_17; [L345] SORT_1 var_134 = ~var_134_arg_0; [L346] SORT_1 var_135_arg_0 = var_133; [L347] SORT_1 var_135_arg_1 = var_134; [L348] SORT_1 var_135 = var_135_arg_0 & var_135_arg_1; [L349] SORT_1 var_136_arg_0 = state_19; [L350] SORT_1 var_136 = ~var_136_arg_0; [L351] SORT_1 var_137_arg_0 = var_135; [L352] SORT_1 var_137_arg_1 = var_136; [L353] SORT_1 var_137 = var_137_arg_0 & var_137_arg_1; [L354] SORT_1 var_138_arg_0 = state_21; [L355] SORT_1 var_138 = ~var_138_arg_0; [L356] SORT_1 var_139_arg_0 = var_137; [L357] SORT_1 var_139_arg_1 = var_138; [L358] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L359] SORT_1 var_140_arg_0 = var_139; [L360] SORT_1 var_140_arg_1 = state_23; [L361] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L362] SORT_1 var_141_arg_0 = state_4; [L363] SORT_1 var_141 = ~var_141_arg_0; [L364] SORT_1 var_142_arg_0 = var_140; [L365] SORT_1 var_142_arg_1 = var_141; [L366] SORT_1 var_142 = var_142_arg_0 & var_142_arg_1; [L367] SORT_1 var_143_arg_0 = var_130; [L368] SORT_1 var_143_arg_1 = var_142; [L369] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L370] SORT_1 var_144_arg_0 = state_13; [L371] SORT_1 var_144 = ~var_144_arg_0; [L372] SORT_1 var_145_arg_0 = state_15; [L373] SORT_1 var_145 = ~var_145_arg_0; [L374] SORT_1 var_146_arg_0 = var_144; [L375] SORT_1 var_146_arg_1 = var_145; [L376] SORT_1 var_146 = var_146_arg_0 & var_146_arg_1; [L377] SORT_1 var_147_arg_0 = state_17; [L378] SORT_1 var_147 = ~var_147_arg_0; [L379] SORT_1 var_148_arg_0 = var_146; [L380] SORT_1 var_148_arg_1 = var_147; [L381] SORT_1 var_148 = var_148_arg_0 & var_148_arg_1; [L382] SORT_1 var_149_arg_0 = state_19; [L383] SORT_1 var_149 = ~var_149_arg_0; [L384] SORT_1 var_150_arg_0 = var_148; [L385] SORT_1 var_150_arg_1 = var_149; [L386] SORT_1 var_150 = var_150_arg_0 & var_150_arg_1; [L387] SORT_1 var_151_arg_0 = state_21; [L388] SORT_1 var_151 = ~var_151_arg_0; [L389] SORT_1 var_152_arg_0 = var_150; [L390] SORT_1 var_152_arg_1 = var_151; [L391] SORT_1 var_152 = var_152_arg_0 & var_152_arg_1; [L392] SORT_1 var_153_arg_0 = state_23; [L393] SORT_1 var_153 = ~var_153_arg_0; [L394] SORT_1 var_154_arg_0 = var_152; [L395] SORT_1 var_154_arg_1 = var_153; [L396] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L397] SORT_1 var_155_arg_0 = var_154; [L398] SORT_1 var_155_arg_1 = state_4; [L399] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L400] SORT_1 var_156_arg_0 = var_143; [L401] SORT_1 var_156_arg_1 = var_155; [L402] SORT_1 var_156 = var_156_arg_0 | var_156_arg_1; [L403] var_156 = var_156 & mask_SORT_1 [L404] SORT_1 next_157_arg_1 = var_156; [L405] SORT_27 var_160_arg_0 = state_29; [L406] SORT_27 var_160_arg_1 = var_32; [L407] SORT_1 var_160 = var_160_arg_0 < var_160_arg_1; [L408] SORT_27 var_159_arg_0 = state_29; [L409] SORT_27 var_159_arg_1 = var_158; [L410] SORT_27 var_159 = var_159_arg_0 + var_159_arg_1; [L411] SORT_1 var_161_arg_0 = var_160; [L412] SORT_27 var_161_arg_1 = var_159; [L413] SORT_27 var_161_arg_2 = state_29; [L414] SORT_27 var_161 = var_161_arg_0 ? var_161_arg_1 : var_161_arg_2; [L415] SORT_1 var_162_arg_0 = state_15; [L416] SORT_27 var_162_arg_1 = var_161; [L417] SORT_27 var_162_arg_2 = state_29; [L418] SORT_27 var_162 = var_162_arg_0 ? var_162_arg_1 : var_162_arg_2; [L419] SORT_1 var_163_arg_0 = state_25; [L420] SORT_27 var_163_arg_1 = var_162; [L421] SORT_27 var_163_arg_2 = state_29; [L422] SORT_27 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; [L423] var_163 = var_163 & mask_SORT_27 [L424] SORT_27 next_164_arg_1 = var_163; [L426] state_4 = next_42_arg_1 [L427] state_13 = next_44_arg_1 [L428] state_15 = next_50_arg_1 [L429] state_17 = next_54_arg_1 [L430] state_19 = next_56_arg_1 [L431] state_21 = next_61_arg_1 [L432] state_23 = next_66_arg_1 [L433] state_25 = next_157_arg_1 [L434] state_29 = next_164_arg_1 [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L21] COND FALSE !(!(cond)) [L83] RET __VERIFIER_assert(!(bad_12_arg_0)) [L85] SORT_27 var_33_arg_0 = state_29; [L86] SORT_27 var_33_arg_1 = var_32; [L87] SORT_1 var_33 = var_33_arg_0 < var_33_arg_1; [L88] SORT_1 var_34_arg_0 = var_33; [L89] SORT_1 var_34 = ~var_34_arg_0; [L90] SORT_1 var_35_arg_0 = state_15; [L91] SORT_1 var_35_arg_1 = var_34; [L92] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L93] SORT_1 var_36_arg_0 = state_4; [L94] SORT_1 var_36_arg_1 = var_35; [L95] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L96] SORT_27 var_37_arg_0 = state_29; [L97] SORT_27 var_37_arg_1 = var_32; [L98] SORT_1 var_37 = var_37_arg_0 < var_37_arg_1; [L99] SORT_1 var_38_arg_0 = var_37; [L100] SORT_1 var_38 = ~var_38_arg_0; [L101] SORT_1 var_39_arg_0 = state_21; [L102] SORT_1 var_39_arg_1 = var_38; [L103] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L104] SORT_1 var_40_arg_0 = var_36; [L105] SORT_1 var_40_arg_1 = var_39; [L106] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L107] SORT_1 var_41_arg_0 = state_25; [L108] SORT_1 var_41_arg_1 = var_40; [L109] SORT_1 var_41_arg_2 = state_4; [L110] SORT_1 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L111] SORT_1 next_42_arg_1 = var_41; [L112] SORT_1 var_43_arg_0 = state_25; [L113] SORT_1 var_43_arg_1 = var_3; [L114] SORT_1 var_43_arg_2 = state_13; [L115] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L116] SORT_1 next_44_arg_1 = var_43; [L117] SORT_27 var_46_arg_0 = state_29; [L118] SORT_27 var_46_arg_1 = var_45; [L119] SORT_1 var_46 = var_46_arg_0 < var_46_arg_1; [L120] SORT_1 var_47_arg_0 = state_19; [L121] SORT_1 var_47_arg_1 = var_46; [L122] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L123] SORT_1 var_48_arg_0 = state_13; [L124] SORT_1 var_48_arg_1 = var_47; [L125] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L126] SORT_1 var_49_arg_0 = state_25; [L127] SORT_1 var_49_arg_1 = var_48; [L128] SORT_1 var_49_arg_2 = state_15; [L129] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L130] var_49 = var_49 & mask_SORT_1 [L131] SORT_1 next_50_arg_1 = var_49; [L132] SORT_27 var_51_arg_0 = state_29; [L133] SORT_27 var_51_arg_1 = var_32; [L134] SORT_1 var_51 = var_51_arg_0 < var_51_arg_1; [L135] SORT_1 var_52_arg_0 = state_15; [L136] SORT_1 var_52_arg_1 = var_51; [L137] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L138] SORT_1 var_53_arg_0 = state_25; [L139] SORT_1 var_53_arg_1 = var_52; [L140] SORT_1 var_53_arg_2 = state_17; [L141] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L142] SORT_1 next_54_arg_1 = var_53; [L143] SORT_1 var_55_arg_0 = state_25; [L144] SORT_1 var_55_arg_1 = state_17; [L145] SORT_1 var_55_arg_2 = state_19; [L146] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L147] SORT_1 next_56_arg_1 = var_55; [L148] SORT_27 var_57_arg_0 = state_29; [L149] SORT_27 var_57_arg_1 = var_45; [L150] SORT_1 var_57 = var_57_arg_0 < var_57_arg_1; [L151] SORT_1 var_58_arg_0 = var_57; [L152] SORT_1 var_58 = ~var_58_arg_0; [L153] SORT_1 var_59_arg_0 = state_19; [L154] SORT_1 var_59_arg_1 = var_58; [L155] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L156] SORT_1 var_60_arg_0 = state_25; [L157] SORT_1 var_60_arg_1 = var_59; [L158] SORT_1 var_60_arg_2 = state_21; [L159] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L160] SORT_1 next_61_arg_1 = var_60; [L161] SORT_27 var_62_arg_0 = state_29; [L162] SORT_27 var_62_arg_1 = var_32; [L163] SORT_1 var_62 = var_62_arg_0 < var_62_arg_1; [L164] SORT_1 var_63_arg_0 = state_21; [L165] SORT_1 var_63_arg_1 = var_62; [L166] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L167] SORT_1 var_64_arg_0 = state_23; [L168] SORT_1 var_64_arg_1 = var_63; [L169] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L170] SORT_1 var_65_arg_0 = state_25; [L171] SORT_1 var_65_arg_1 = var_64; [L172] SORT_1 var_65_arg_2 = state_23; [L173] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L174] SORT_1 next_66_arg_1 = var_65; [L175] SORT_1 var_67_arg_0 = state_15; [L176] SORT_1 var_67 = ~var_67_arg_0; [L177] SORT_1 var_68_arg_0 = state_13; [L178] SORT_1 var_68_arg_1 = var_67; [L179] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L180] SORT_1 var_69_arg_0 = state_17; [L181] SORT_1 var_69 = ~var_69_arg_0; [L182] SORT_1 var_70_arg_0 = var_68; [L183] SORT_1 var_70_arg_1 = var_69; [L184] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L185] SORT_1 var_71_arg_0 = state_19; [L186] SORT_1 var_71 = ~var_71_arg_0; [L187] SORT_1 var_72_arg_0 = var_70; [L188] SORT_1 var_72_arg_1 = var_71; [L189] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L190] SORT_1 var_73_arg_0 = state_21; [L191] SORT_1 var_73 = ~var_73_arg_0; [L192] SORT_1 var_74_arg_0 = var_72; [L193] SORT_1 var_74_arg_1 = var_73; [L194] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L195] SORT_1 var_75_arg_0 = state_23; [L196] SORT_1 var_75 = ~var_75_arg_0; [L197] SORT_1 var_76_arg_0 = var_74; [L198] SORT_1 var_76_arg_1 = var_75; [L199] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L200] SORT_1 var_77_arg_0 = state_4; [L201] SORT_1 var_77 = ~var_77_arg_0; [L202] SORT_1 var_78_arg_0 = var_76; [L203] SORT_1 var_78_arg_1 = var_77; [L204] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L205] SORT_1 var_79_arg_0 = state_13; [L206] SORT_1 var_79 = ~var_79_arg_0; [L207] SORT_1 var_80_arg_0 = var_79; [L208] SORT_1 var_80_arg_1 = state_15; [L209] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L210] SORT_1 var_81_arg_0 = state_17; [L211] SORT_1 var_81 = ~var_81_arg_0; [L212] SORT_1 var_82_arg_0 = var_80; [L213] SORT_1 var_82_arg_1 = var_81; [L214] SORT_1 var_82 = var_82_arg_0 & var_82_arg_1; [L215] SORT_1 var_83_arg_0 = state_19; [L216] SORT_1 var_83 = ~var_83_arg_0; [L217] SORT_1 var_84_arg_0 = var_82; [L218] SORT_1 var_84_arg_1 = var_83; [L219] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L220] SORT_1 var_85_arg_0 = state_21; [L221] SORT_1 var_85 = ~var_85_arg_0; [L222] SORT_1 var_86_arg_0 = var_84; [L223] SORT_1 var_86_arg_1 = var_85; [L224] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L225] SORT_1 var_87_arg_0 = state_23; [L226] SORT_1 var_87 = ~var_87_arg_0; [L227] SORT_1 var_88_arg_0 = var_86; [L228] SORT_1 var_88_arg_1 = var_87; [L229] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L230] SORT_1 var_89_arg_0 = state_4; [L231] SORT_1 var_89 = ~var_89_arg_0; [L232] SORT_1 var_90_arg_0 = var_88; [L233] SORT_1 var_90_arg_1 = var_89; [L234] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L235] SORT_1 var_91_arg_0 = var_78; [L236] SORT_1 var_91_arg_1 = var_90; [L237] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L238] SORT_1 var_92_arg_0 = state_13; [L239] SORT_1 var_92 = ~var_92_arg_0; [L240] SORT_1 var_93_arg_0 = state_15; [L241] SORT_1 var_93 = ~var_93_arg_0; [L242] SORT_1 var_94_arg_0 = var_92; [L243] SORT_1 var_94_arg_1 = var_93; [L244] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L245] SORT_1 var_95_arg_0 = var_94; [L246] SORT_1 var_95_arg_1 = state_17; [L247] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L248] SORT_1 var_96_arg_0 = state_19; [L249] SORT_1 var_96 = ~var_96_arg_0; [L250] SORT_1 var_97_arg_0 = var_95; [L251] SORT_1 var_97_arg_1 = var_96; [L252] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L253] SORT_1 var_98_arg_0 = state_21; [L254] SORT_1 var_98 = ~var_98_arg_0; [L255] SORT_1 var_99_arg_0 = var_97; [L256] SORT_1 var_99_arg_1 = var_98; [L257] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L258] SORT_1 var_100_arg_0 = state_23; [L259] SORT_1 var_100 = ~var_100_arg_0; [L260] SORT_1 var_101_arg_0 = var_99; [L261] SORT_1 var_101_arg_1 = var_100; [L262] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L263] SORT_1 var_102_arg_0 = state_4; [L264] SORT_1 var_102 = ~var_102_arg_0; [L265] SORT_1 var_103_arg_0 = var_101; [L266] SORT_1 var_103_arg_1 = var_102; [L267] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L268] SORT_1 var_104_arg_0 = var_91; [L269] SORT_1 var_104_arg_1 = var_103; [L270] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L271] SORT_1 var_105_arg_0 = state_13; [L272] SORT_1 var_105 = ~var_105_arg_0; [L273] SORT_1 var_106_arg_0 = state_15; [L274] SORT_1 var_106 = ~var_106_arg_0; [L275] SORT_1 var_107_arg_0 = var_105; [L276] SORT_1 var_107_arg_1 = var_106; [L277] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L278] SORT_1 var_108_arg_0 = state_17; [L279] SORT_1 var_108 = ~var_108_arg_0; [L280] SORT_1 var_109_arg_0 = var_107; [L281] SORT_1 var_109_arg_1 = var_108; [L282] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L283] SORT_1 var_110_arg_0 = var_109; [L284] SORT_1 var_110_arg_1 = state_19; [L285] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L286] SORT_1 var_111_arg_0 = state_21; [L287] SORT_1 var_111 = ~var_111_arg_0; [L288] SORT_1 var_112_arg_0 = var_110; [L289] SORT_1 var_112_arg_1 = var_111; [L290] SORT_1 var_112 = var_112_arg_0 & var_112_arg_1; [L291] SORT_1 var_113_arg_0 = state_23; [L292] SORT_1 var_113 = ~var_113_arg_0; [L293] SORT_1 var_114_arg_0 = var_112; [L294] SORT_1 var_114_arg_1 = var_113; [L295] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L296] SORT_1 var_115_arg_0 = state_4; [L297] SORT_1 var_115 = ~var_115_arg_0; [L298] SORT_1 var_116_arg_0 = var_114; [L299] SORT_1 var_116_arg_1 = var_115; [L300] SORT_1 var_116 = var_116_arg_0 & var_116_arg_1; [L301] SORT_1 var_117_arg_0 = var_104; [L302] SORT_1 var_117_arg_1 = var_116; [L303] SORT_1 var_117 = var_117_arg_0 | var_117_arg_1; [L304] SORT_1 var_118_arg_0 = state_13; [L305] SORT_1 var_118 = ~var_118_arg_0; [L306] SORT_1 var_119_arg_0 = state_15; [L307] SORT_1 var_119 = ~var_119_arg_0; [L308] SORT_1 var_120_arg_0 = var_118; [L309] SORT_1 var_120_arg_1 = var_119; [L310] SORT_1 var_120 = var_120_arg_0 & var_120_arg_1; [L311] SORT_1 var_121_arg_0 = state_17; [L312] SORT_1 var_121 = ~var_121_arg_0; [L313] SORT_1 var_122_arg_0 = var_120; [L314] SORT_1 var_122_arg_1 = var_121; [L315] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L316] SORT_1 var_123_arg_0 = state_19; [L317] SORT_1 var_123 = ~var_123_arg_0; [L318] SORT_1 var_124_arg_0 = var_122; [L319] SORT_1 var_124_arg_1 = var_123; [L320] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L321] SORT_1 var_125_arg_0 = var_124; [L322] SORT_1 var_125_arg_1 = state_21; [L323] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L324] SORT_1 var_126_arg_0 = state_23; [L325] SORT_1 var_126 = ~var_126_arg_0; [L326] SORT_1 var_127_arg_0 = var_125; [L327] SORT_1 var_127_arg_1 = var_126; [L328] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L329] SORT_1 var_128_arg_0 = state_4; [L330] SORT_1 var_128 = ~var_128_arg_0; [L331] SORT_1 var_129_arg_0 = var_127; [L332] SORT_1 var_129_arg_1 = var_128; [L333] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L334] SORT_1 var_130_arg_0 = var_117; [L335] SORT_1 var_130_arg_1 = var_129; [L336] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L337] SORT_1 var_131_arg_0 = state_13; [L338] SORT_1 var_131 = ~var_131_arg_0; [L339] SORT_1 var_132_arg_0 = state_15; [L340] SORT_1 var_132 = ~var_132_arg_0; [L341] SORT_1 var_133_arg_0 = var_131; [L342] SORT_1 var_133_arg_1 = var_132; [L343] SORT_1 var_133 = var_133_arg_0 & var_133_arg_1; [L344] SORT_1 var_134_arg_0 = state_17; [L345] SORT_1 var_134 = ~var_134_arg_0; [L346] SORT_1 var_135_arg_0 = var_133; [L347] SORT_1 var_135_arg_1 = var_134; [L348] SORT_1 var_135 = var_135_arg_0 & var_135_arg_1; [L349] SORT_1 var_136_arg_0 = state_19; [L350] SORT_1 var_136 = ~var_136_arg_0; [L351] SORT_1 var_137_arg_0 = var_135; [L352] SORT_1 var_137_arg_1 = var_136; [L353] SORT_1 var_137 = var_137_arg_0 & var_137_arg_1; [L354] SORT_1 var_138_arg_0 = state_21; [L355] SORT_1 var_138 = ~var_138_arg_0; [L356] SORT_1 var_139_arg_0 = var_137; [L357] SORT_1 var_139_arg_1 = var_138; [L358] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L359] SORT_1 var_140_arg_0 = var_139; [L360] SORT_1 var_140_arg_1 = state_23; [L361] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L362] SORT_1 var_141_arg_0 = state_4; [L363] SORT_1 var_141 = ~var_141_arg_0; [L364] SORT_1 var_142_arg_0 = var_140; [L365] SORT_1 var_142_arg_1 = var_141; [L366] SORT_1 var_142 = var_142_arg_0 & var_142_arg_1; [L367] SORT_1 var_143_arg_0 = var_130; [L368] SORT_1 var_143_arg_1 = var_142; [L369] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L370] SORT_1 var_144_arg_0 = state_13; [L371] SORT_1 var_144 = ~var_144_arg_0; [L372] SORT_1 var_145_arg_0 = state_15; [L373] SORT_1 var_145 = ~var_145_arg_0; [L374] SORT_1 var_146_arg_0 = var_144; [L375] SORT_1 var_146_arg_1 = var_145; [L376] SORT_1 var_146 = var_146_arg_0 & var_146_arg_1; [L377] SORT_1 var_147_arg_0 = state_17; [L378] SORT_1 var_147 = ~var_147_arg_0; [L379] SORT_1 var_148_arg_0 = var_146; [L380] SORT_1 var_148_arg_1 = var_147; [L381] SORT_1 var_148 = var_148_arg_0 & var_148_arg_1; [L382] SORT_1 var_149_arg_0 = state_19; [L383] SORT_1 var_149 = ~var_149_arg_0; [L384] SORT_1 var_150_arg_0 = var_148; [L385] SORT_1 var_150_arg_1 = var_149; [L386] SORT_1 var_150 = var_150_arg_0 & var_150_arg_1; [L387] SORT_1 var_151_arg_0 = state_21; [L388] SORT_1 var_151 = ~var_151_arg_0; [L389] SORT_1 var_152_arg_0 = var_150; [L390] SORT_1 var_152_arg_1 = var_151; [L391] SORT_1 var_152 = var_152_arg_0 & var_152_arg_1; [L392] SORT_1 var_153_arg_0 = state_23; [L393] SORT_1 var_153 = ~var_153_arg_0; [L394] SORT_1 var_154_arg_0 = var_152; [L395] SORT_1 var_154_arg_1 = var_153; [L396] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L397] SORT_1 var_155_arg_0 = var_154; [L398] SORT_1 var_155_arg_1 = state_4; [L399] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L400] SORT_1 var_156_arg_0 = var_143; [L401] SORT_1 var_156_arg_1 = var_155; [L402] SORT_1 var_156 = var_156_arg_0 | var_156_arg_1; [L403] var_156 = var_156 & mask_SORT_1 [L404] SORT_1 next_157_arg_1 = var_156; [L405] SORT_27 var_160_arg_0 = state_29; [L406] SORT_27 var_160_arg_1 = var_32; [L407] SORT_1 var_160 = var_160_arg_0 < var_160_arg_1; [L408] SORT_27 var_159_arg_0 = state_29; [L409] SORT_27 var_159_arg_1 = var_158; [L410] SORT_27 var_159 = var_159_arg_0 + var_159_arg_1; [L411] SORT_1 var_161_arg_0 = var_160; [L412] SORT_27 var_161_arg_1 = var_159; [L413] SORT_27 var_161_arg_2 = state_29; [L414] SORT_27 var_161 = var_161_arg_0 ? var_161_arg_1 : var_161_arg_2; [L415] SORT_1 var_162_arg_0 = state_15; [L416] SORT_27 var_162_arg_1 = var_161; [L417] SORT_27 var_162_arg_2 = state_29; [L418] SORT_27 var_162 = var_162_arg_0 ? var_162_arg_1 : var_162_arg_2; [L419] SORT_1 var_163_arg_0 = state_25; [L420] SORT_27 var_163_arg_1 = var_162; [L421] SORT_27 var_163_arg_2 = state_29; [L422] SORT_27 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; [L423] var_163 = var_163 & mask_SORT_27 [L424] SORT_27 next_164_arg_1 = var_163; [L426] state_4 = next_42_arg_1 [L427] state_13 = next_44_arg_1 [L428] state_15 = next_50_arg_1 [L429] state_17 = next_54_arg_1 [L430] state_19 = next_56_arg_1 [L431] state_21 = next_61_arg_1 [L432] state_23 = next_66_arg_1 [L433] state_25 = next_157_arg_1 [L434] state_29 = next_164_arg_1 [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_arg_0)) [L21] COND FALSE !(!(cond)) [L83] RET __VERIFIER_assert(!(bad_12_arg_0)) [L85] SORT_27 var_33_arg_0 = state_29; [L86] SORT_27 var_33_arg_1 = var_32; [L87] SORT_1 var_33 = var_33_arg_0 < var_33_arg_1; [L88] SORT_1 var_34_arg_0 = var_33; [L89] SORT_1 var_34 = ~var_34_arg_0; [L90] SORT_1 var_35_arg_0 = state_15; [L91] SORT_1 var_35_arg_1 = var_34; [L92] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L93] SORT_1 var_36_arg_0 = state_4; [L94] SORT_1 var_36_arg_1 = var_35; [L95] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L96] SORT_27 var_37_arg_0 = state_29; [L97] SORT_27 var_37_arg_1 = var_32; [L98] SORT_1 var_37 = var_37_arg_0 < var_37_arg_1; [L99] SORT_1 var_38_arg_0 = var_37; [L100] SORT_1 var_38 = ~var_38_arg_0; [L101] SORT_1 var_39_arg_0 = state_21; [L102] SORT_1 var_39_arg_1 = var_38; [L103] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L104] SORT_1 var_40_arg_0 = var_36; [L105] SORT_1 var_40_arg_1 = var_39; [L106] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L107] SORT_1 var_41_arg_0 = state_25; [L108] SORT_1 var_41_arg_1 = var_40; [L109] SORT_1 var_41_arg_2 = state_4; [L110] SORT_1 var_41 = var_41_arg_0 ? var_41_arg_1 : var_41_arg_2; [L111] SORT_1 next_42_arg_1 = var_41; [L112] SORT_1 var_43_arg_0 = state_25; [L113] SORT_1 var_43_arg_1 = var_3; [L114] SORT_1 var_43_arg_2 = state_13; [L115] SORT_1 var_43 = var_43_arg_0 ? var_43_arg_1 : var_43_arg_2; [L116] SORT_1 next_44_arg_1 = var_43; [L117] SORT_27 var_46_arg_0 = state_29; [L118] SORT_27 var_46_arg_1 = var_45; [L119] SORT_1 var_46 = var_46_arg_0 < var_46_arg_1; [L120] SORT_1 var_47_arg_0 = state_19; [L121] SORT_1 var_47_arg_1 = var_46; [L122] SORT_1 var_47 = var_47_arg_0 & var_47_arg_1; [L123] SORT_1 var_48_arg_0 = state_13; [L124] SORT_1 var_48_arg_1 = var_47; [L125] SORT_1 var_48 = var_48_arg_0 | var_48_arg_1; [L126] SORT_1 var_49_arg_0 = state_25; [L127] SORT_1 var_49_arg_1 = var_48; [L128] SORT_1 var_49_arg_2 = state_15; [L129] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L130] var_49 = var_49 & mask_SORT_1 [L131] SORT_1 next_50_arg_1 = var_49; [L132] SORT_27 var_51_arg_0 = state_29; [L133] SORT_27 var_51_arg_1 = var_32; [L134] SORT_1 var_51 = var_51_arg_0 < var_51_arg_1; [L135] SORT_1 var_52_arg_0 = state_15; [L136] SORT_1 var_52_arg_1 = var_51; [L137] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L138] SORT_1 var_53_arg_0 = state_25; [L139] SORT_1 var_53_arg_1 = var_52; [L140] SORT_1 var_53_arg_2 = state_17; [L141] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L142] SORT_1 next_54_arg_1 = var_53; [L143] SORT_1 var_55_arg_0 = state_25; [L144] SORT_1 var_55_arg_1 = state_17; [L145] SORT_1 var_55_arg_2 = state_19; [L146] SORT_1 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L147] SORT_1 next_56_arg_1 = var_55; [L148] SORT_27 var_57_arg_0 = state_29; [L149] SORT_27 var_57_arg_1 = var_45; [L150] SORT_1 var_57 = var_57_arg_0 < var_57_arg_1; [L151] SORT_1 var_58_arg_0 = var_57; [L152] SORT_1 var_58 = ~var_58_arg_0; [L153] SORT_1 var_59_arg_0 = state_19; [L154] SORT_1 var_59_arg_1 = var_58; [L155] SORT_1 var_59 = var_59_arg_0 & var_59_arg_1; [L156] SORT_1 var_60_arg_0 = state_25; [L157] SORT_1 var_60_arg_1 = var_59; [L158] SORT_1 var_60_arg_2 = state_21; [L159] SORT_1 var_60 = var_60_arg_0 ? var_60_arg_1 : var_60_arg_2; [L160] SORT_1 next_61_arg_1 = var_60; [L161] SORT_27 var_62_arg_0 = state_29; [L162] SORT_27 var_62_arg_1 = var_32; [L163] SORT_1 var_62 = var_62_arg_0 < var_62_arg_1; [L164] SORT_1 var_63_arg_0 = state_21; [L165] SORT_1 var_63_arg_1 = var_62; [L166] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L167] SORT_1 var_64_arg_0 = state_23; [L168] SORT_1 var_64_arg_1 = var_63; [L169] SORT_1 var_64 = var_64_arg_0 | var_64_arg_1; [L170] SORT_1 var_65_arg_0 = state_25; [L171] SORT_1 var_65_arg_1 = var_64; [L172] SORT_1 var_65_arg_2 = state_23; [L173] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L174] SORT_1 next_66_arg_1 = var_65; [L175] SORT_1 var_67_arg_0 = state_15; [L176] SORT_1 var_67 = ~var_67_arg_0; [L177] SORT_1 var_68_arg_0 = state_13; [L178] SORT_1 var_68_arg_1 = var_67; [L179] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L180] SORT_1 var_69_arg_0 = state_17; [L181] SORT_1 var_69 = ~var_69_arg_0; [L182] SORT_1 var_70_arg_0 = var_68; [L183] SORT_1 var_70_arg_1 = var_69; [L184] SORT_1 var_70 = var_70_arg_0 & var_70_arg_1; [L185] SORT_1 var_71_arg_0 = state_19; [L186] SORT_1 var_71 = ~var_71_arg_0; [L187] SORT_1 var_72_arg_0 = var_70; [L188] SORT_1 var_72_arg_1 = var_71; [L189] SORT_1 var_72 = var_72_arg_0 & var_72_arg_1; [L190] SORT_1 var_73_arg_0 = state_21; [L191] SORT_1 var_73 = ~var_73_arg_0; [L192] SORT_1 var_74_arg_0 = var_72; [L193] SORT_1 var_74_arg_1 = var_73; [L194] SORT_1 var_74 = var_74_arg_0 & var_74_arg_1; [L195] SORT_1 var_75_arg_0 = state_23; [L196] SORT_1 var_75 = ~var_75_arg_0; [L197] SORT_1 var_76_arg_0 = var_74; [L198] SORT_1 var_76_arg_1 = var_75; [L199] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L200] SORT_1 var_77_arg_0 = state_4; [L201] SORT_1 var_77 = ~var_77_arg_0; [L202] SORT_1 var_78_arg_0 = var_76; [L203] SORT_1 var_78_arg_1 = var_77; [L204] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L205] SORT_1 var_79_arg_0 = state_13; [L206] SORT_1 var_79 = ~var_79_arg_0; [L207] SORT_1 var_80_arg_0 = var_79; [L208] SORT_1 var_80_arg_1 = state_15; [L209] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L210] SORT_1 var_81_arg_0 = state_17; [L211] SORT_1 var_81 = ~var_81_arg_0; [L212] SORT_1 var_82_arg_0 = var_80; [L213] SORT_1 var_82_arg_1 = var_81; [L214] SORT_1 var_82 = var_82_arg_0 & var_82_arg_1; [L215] SORT_1 var_83_arg_0 = state_19; [L216] SORT_1 var_83 = ~var_83_arg_0; [L217] SORT_1 var_84_arg_0 = var_82; [L218] SORT_1 var_84_arg_1 = var_83; [L219] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L220] SORT_1 var_85_arg_0 = state_21; [L221] SORT_1 var_85 = ~var_85_arg_0; [L222] SORT_1 var_86_arg_0 = var_84; [L223] SORT_1 var_86_arg_1 = var_85; [L224] SORT_1 var_86 = var_86_arg_0 & var_86_arg_1; [L225] SORT_1 var_87_arg_0 = state_23; [L226] SORT_1 var_87 = ~var_87_arg_0; [L227] SORT_1 var_88_arg_0 = var_86; [L228] SORT_1 var_88_arg_1 = var_87; [L229] SORT_1 var_88 = var_88_arg_0 & var_88_arg_1; [L230] SORT_1 var_89_arg_0 = state_4; [L231] SORT_1 var_89 = ~var_89_arg_0; [L232] SORT_1 var_90_arg_0 = var_88; [L233] SORT_1 var_90_arg_1 = var_89; [L234] SORT_1 var_90 = var_90_arg_0 & var_90_arg_1; [L235] SORT_1 var_91_arg_0 = var_78; [L236] SORT_1 var_91_arg_1 = var_90; [L237] SORT_1 var_91 = var_91_arg_0 | var_91_arg_1; [L238] SORT_1 var_92_arg_0 = state_13; [L239] SORT_1 var_92 = ~var_92_arg_0; [L240] SORT_1 var_93_arg_0 = state_15; [L241] SORT_1 var_93 = ~var_93_arg_0; [L242] SORT_1 var_94_arg_0 = var_92; [L243] SORT_1 var_94_arg_1 = var_93; [L244] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L245] SORT_1 var_95_arg_0 = var_94; [L246] SORT_1 var_95_arg_1 = state_17; [L247] SORT_1 var_95 = var_95_arg_0 & var_95_arg_1; [L248] SORT_1 var_96_arg_0 = state_19; [L249] SORT_1 var_96 = ~var_96_arg_0; [L250] SORT_1 var_97_arg_0 = var_95; [L251] SORT_1 var_97_arg_1 = var_96; [L252] SORT_1 var_97 = var_97_arg_0 & var_97_arg_1; [L253] SORT_1 var_98_arg_0 = state_21; [L254] SORT_1 var_98 = ~var_98_arg_0; [L255] SORT_1 var_99_arg_0 = var_97; [L256] SORT_1 var_99_arg_1 = var_98; [L257] SORT_1 var_99 = var_99_arg_0 & var_99_arg_1; [L258] SORT_1 var_100_arg_0 = state_23; [L259] SORT_1 var_100 = ~var_100_arg_0; [L260] SORT_1 var_101_arg_0 = var_99; [L261] SORT_1 var_101_arg_1 = var_100; [L262] SORT_1 var_101 = var_101_arg_0 & var_101_arg_1; [L263] SORT_1 var_102_arg_0 = state_4; [L264] SORT_1 var_102 = ~var_102_arg_0; [L265] SORT_1 var_103_arg_0 = var_101; [L266] SORT_1 var_103_arg_1 = var_102; [L267] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L268] SORT_1 var_104_arg_0 = var_91; [L269] SORT_1 var_104_arg_1 = var_103; [L270] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L271] SORT_1 var_105_arg_0 = state_13; [L272] SORT_1 var_105 = ~var_105_arg_0; [L273] SORT_1 var_106_arg_0 = state_15; [L274] SORT_1 var_106 = ~var_106_arg_0; [L275] SORT_1 var_107_arg_0 = var_105; [L276] SORT_1 var_107_arg_1 = var_106; [L277] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L278] SORT_1 var_108_arg_0 = state_17; [L279] SORT_1 var_108 = ~var_108_arg_0; [L280] SORT_1 var_109_arg_0 = var_107; [L281] SORT_1 var_109_arg_1 = var_108; [L282] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L283] SORT_1 var_110_arg_0 = var_109; [L284] SORT_1 var_110_arg_1 = state_19; [L285] SORT_1 var_110 = var_110_arg_0 & var_110_arg_1; [L286] SORT_1 var_111_arg_0 = state_21; [L287] SORT_1 var_111 = ~var_111_arg_0; [L288] SORT_1 var_112_arg_0 = var_110; [L289] SORT_1 var_112_arg_1 = var_111; [L290] SORT_1 var_112 = var_112_arg_0 & var_112_arg_1; [L291] SORT_1 var_113_arg_0 = state_23; [L292] SORT_1 var_113 = ~var_113_arg_0; [L293] SORT_1 var_114_arg_0 = var_112; [L294] SORT_1 var_114_arg_1 = var_113; [L295] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L296] SORT_1 var_115_arg_0 = state_4; [L297] SORT_1 var_115 = ~var_115_arg_0; [L298] SORT_1 var_116_arg_0 = var_114; [L299] SORT_1 var_116_arg_1 = var_115; [L300] SORT_1 var_116 = var_116_arg_0 & var_116_arg_1; [L301] SORT_1 var_117_arg_0 = var_104; [L302] SORT_1 var_117_arg_1 = var_116; [L303] SORT_1 var_117 = var_117_arg_0 | var_117_arg_1; [L304] SORT_1 var_118_arg_0 = state_13; [L305] SORT_1 var_118 = ~var_118_arg_0; [L306] SORT_1 var_119_arg_0 = state_15; [L307] SORT_1 var_119 = ~var_119_arg_0; [L308] SORT_1 var_120_arg_0 = var_118; [L309] SORT_1 var_120_arg_1 = var_119; [L310] SORT_1 var_120 = var_120_arg_0 & var_120_arg_1; [L311] SORT_1 var_121_arg_0 = state_17; [L312] SORT_1 var_121 = ~var_121_arg_0; [L313] SORT_1 var_122_arg_0 = var_120; [L314] SORT_1 var_122_arg_1 = var_121; [L315] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L316] SORT_1 var_123_arg_0 = state_19; [L317] SORT_1 var_123 = ~var_123_arg_0; [L318] SORT_1 var_124_arg_0 = var_122; [L319] SORT_1 var_124_arg_1 = var_123; [L320] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L321] SORT_1 var_125_arg_0 = var_124; [L322] SORT_1 var_125_arg_1 = state_21; [L323] SORT_1 var_125 = var_125_arg_0 & var_125_arg_1; [L324] SORT_1 var_126_arg_0 = state_23; [L325] SORT_1 var_126 = ~var_126_arg_0; [L326] SORT_1 var_127_arg_0 = var_125; [L327] SORT_1 var_127_arg_1 = var_126; [L328] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L329] SORT_1 var_128_arg_0 = state_4; [L330] SORT_1 var_128 = ~var_128_arg_0; [L331] SORT_1 var_129_arg_0 = var_127; [L332] SORT_1 var_129_arg_1 = var_128; [L333] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L334] SORT_1 var_130_arg_0 = var_117; [L335] SORT_1 var_130_arg_1 = var_129; [L336] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L337] SORT_1 var_131_arg_0 = state_13; [L338] SORT_1 var_131 = ~var_131_arg_0; [L339] SORT_1 var_132_arg_0 = state_15; [L340] SORT_1 var_132 = ~var_132_arg_0; [L341] SORT_1 var_133_arg_0 = var_131; [L342] SORT_1 var_133_arg_1 = var_132; [L343] SORT_1 var_133 = var_133_arg_0 & var_133_arg_1; [L344] SORT_1 var_134_arg_0 = state_17; [L345] SORT_1 var_134 = ~var_134_arg_0; [L346] SORT_1 var_135_arg_0 = var_133; [L347] SORT_1 var_135_arg_1 = var_134; [L348] SORT_1 var_135 = var_135_arg_0 & var_135_arg_1; [L349] SORT_1 var_136_arg_0 = state_19; [L350] SORT_1 var_136 = ~var_136_arg_0; [L351] SORT_1 var_137_arg_0 = var_135; [L352] SORT_1 var_137_arg_1 = var_136; [L353] SORT_1 var_137 = var_137_arg_0 & var_137_arg_1; [L354] SORT_1 var_138_arg_0 = state_21; [L355] SORT_1 var_138 = ~var_138_arg_0; [L356] SORT_1 var_139_arg_0 = var_137; [L357] SORT_1 var_139_arg_1 = var_138; [L358] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L359] SORT_1 var_140_arg_0 = var_139; [L360] SORT_1 var_140_arg_1 = state_23; [L361] SORT_1 var_140 = var_140_arg_0 & var_140_arg_1; [L362] SORT_1 var_141_arg_0 = state_4; [L363] SORT_1 var_141 = ~var_141_arg_0; [L364] SORT_1 var_142_arg_0 = var_140; [L365] SORT_1 var_142_arg_1 = var_141; [L366] SORT_1 var_142 = var_142_arg_0 & var_142_arg_1; [L367] SORT_1 var_143_arg_0 = var_130; [L368] SORT_1 var_143_arg_1 = var_142; [L369] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L370] SORT_1 var_144_arg_0 = state_13; [L371] SORT_1 var_144 = ~var_144_arg_0; [L372] SORT_1 var_145_arg_0 = state_15; [L373] SORT_1 var_145 = ~var_145_arg_0; [L374] SORT_1 var_146_arg_0 = var_144; [L375] SORT_1 var_146_arg_1 = var_145; [L376] SORT_1 var_146 = var_146_arg_0 & var_146_arg_1; [L377] SORT_1 var_147_arg_0 = state_17; [L378] SORT_1 var_147 = ~var_147_arg_0; [L379] SORT_1 var_148_arg_0 = var_146; [L380] SORT_1 var_148_arg_1 = var_147; [L381] SORT_1 var_148 = var_148_arg_0 & var_148_arg_1; [L382] SORT_1 var_149_arg_0 = state_19; [L383] SORT_1 var_149 = ~var_149_arg_0; [L384] SORT_1 var_150_arg_0 = var_148; [L385] SORT_1 var_150_arg_1 = var_149; [L386] SORT_1 var_150 = var_150_arg_0 & var_150_arg_1; [L387] SORT_1 var_151_arg_0 = state_21; [L388] SORT_1 var_151 = ~var_151_arg_0; [L389] SORT_1 var_152_arg_0 = var_150; [L390] SORT_1 var_152_arg_1 = var_151; [L391] SORT_1 var_152 = var_152_arg_0 & var_152_arg_1; [L392] SORT_1 var_153_arg_0 = state_23; [L393] SORT_1 var_153 = ~var_153_arg_0; [L394] SORT_1 var_154_arg_0 = var_152; [L395] SORT_1 var_154_arg_1 = var_153; [L396] SORT_1 var_154 = var_154_arg_0 & var_154_arg_1; [L397] SORT_1 var_155_arg_0 = var_154; [L398] SORT_1 var_155_arg_1 = state_4; [L399] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L400] SORT_1 var_156_arg_0 = var_143; [L401] SORT_1 var_156_arg_1 = var_155; [L402] SORT_1 var_156 = var_156_arg_0 | var_156_arg_1; [L403] var_156 = var_156 & mask_SORT_1 [L404] SORT_1 next_157_arg_1 = var_156; [L405] SORT_27 var_160_arg_0 = state_29; [L406] SORT_27 var_160_arg_1 = var_32; [L407] SORT_1 var_160 = var_160_arg_0 < var_160_arg_1; [L408] SORT_27 var_159_arg_0 = state_29; [L409] SORT_27 var_159_arg_1 = var_158; [L410] SORT_27 var_159 = var_159_arg_0 + var_159_arg_1; [L411] SORT_1 var_161_arg_0 = var_160; [L412] SORT_27 var_161_arg_1 = var_159; [L413] SORT_27 var_161_arg_2 = state_29; [L414] SORT_27 var_161 = var_161_arg_0 ? var_161_arg_1 : var_161_arg_2; [L415] SORT_1 var_162_arg_0 = state_15; [L416] SORT_27 var_162_arg_1 = var_161; [L417] SORT_27 var_162_arg_2 = state_29; [L418] SORT_27 var_162 = var_162_arg_0 ? var_162_arg_1 : var_162_arg_2; [L419] SORT_1 var_163_arg_0 = state_25; [L420] SORT_27 var_163_arg_1 = var_162; [L421] SORT_27 var_163_arg_2 = state_29; [L422] SORT_27 var_163 = var_163_arg_0 ? var_163_arg_1 : var_163_arg_2; [L423] var_163 = var_163 & mask_SORT_27 [L424] SORT_27 next_164_arg_1 = var_163; [L426] state_4 = next_42_arg_1 [L427] state_13 = next_44_arg_1 [L428] state_15 = next_50_arg_1 [L429] state_17 = next_54_arg_1 [L430] state_19 = next_56_arg_1 [L431] state_21 = next_61_arg_1 [L432] state_23 = next_66_arg_1 [L433] state_25 = next_157_arg_1 [L434] state_29 = next_164_arg_1 [L71] input_2 = __VERIFIER_nondet_uchar() [L74] SORT_1 var_6_arg_0 = state_4; [L75] SORT_1 var_6 = ~var_6_arg_0; [L76] SORT_1 var_10_arg_0 = var_6; [L77] SORT_1 var_10 = ~var_10_arg_0; [L78] SORT_1 var_11_arg_0 = var_9; [L79] SORT_1 var_11_arg_1 = var_10; [L80] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L81] var_11 = var_11 & mask_SORT_1 [L82] SORT_1 bad_12_arg_0 = var_11; [L83] CALL __VERIFIER_assert(!(bad_12_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: 13.5s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=2, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.1s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 59 ConstructedInterpolants, 14 QuantifiedInterpolants, 1804 SizeOfPredicates, 31 NumberOfNonLiveVariables, 380 ConjunctsInSsa, 133 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/27 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 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN