./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:14:16,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:14:16,151 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-14 05:14:16,164 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:14:16,164 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:14:16,203 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:14:16,204 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:14:16,204 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:14:16,204 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:14:16,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:14:16,205 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:14:16,205 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:14:16,205 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:14:16,205 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-14 05:14:16,205 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:14:16,205 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:14:16,205 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-14 05:14:16,205 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-14 05:14:16,206 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:14:16,206 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-14 05:14:16,208 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-14 05:14:16,208 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-14 05:14:16,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:14:16,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:14:16,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 05:14:16,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:14:16,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:14:16,209 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:14:16,209 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:14:16,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:14:16,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:14:16,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:14:16,210 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:14:16,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:14:16,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:14:16,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:14:16,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:14:16,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:14:16,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:14:16,210 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-14 05:14:16,210 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 05:14:16,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:14:16,210 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:14:16,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-14 05:14:16,211 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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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 -> 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 [2024-11-14 05:14:16,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:14:16,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:14:16,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:14:16,538 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:14:16,539 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:14:16,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-14 05:14:18,761 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:14:19,119 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:14:19,121 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-11-14 05:14:19,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/data/afac6cd0b/80caba7dc02147748b461fa4a4d7dd0e/FLAGf0c9b190f [2024-11-14 05:14:19,156 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/data/afac6cd0b/80caba7dc02147748b461fa4a4d7dd0e [2024-11-14 05:14:19,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:14:19,160 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:14:19,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:14:19,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:14:19,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:14:19,166 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:14:19" (1/1) ... [2024-11-14 05:14:19,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48e07234 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:19, skipping insertion in model container [2024-11-14 05:14:19,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:14:19" (1/1) ... [2024-11-14 05:14:19,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:14:19,426 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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-11-14 05:14:19,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:14:19,761 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:14:19,779 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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-11-14 05:14:19,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:14:20,009 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:14:20,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20 WrapperNode [2024-11-14 05:14:20,010 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:14:20,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:14:20,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:14:20,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:14:20,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,445 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1948 [2024-11-14 05:14:20,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:14:20,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:14:20,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:14:20,447 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:14:20,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,634 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,682 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,776 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:14:20,779 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:14:20,779 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:14:20,779 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:14:20,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (1/1) ... [2024-11-14 05:14:20,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:14:20,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:14:20,827 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:14:20,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:14:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:14:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 05:14:20,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:14:20,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:14:21,225 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:14:21,227 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:14:24,950 INFO L? ?]: Removed 993 outVars from TransFormulas that were not future-live. [2024-11-14 05:14:24,951 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:14:29,648 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:14:29,649 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:14:29,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:14:29 BoogieIcfgContainer [2024-11-14 05:14:29,649 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:14:29,652 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:14:29,652 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:14:29,658 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:14:29,659 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:14:19" (1/3) ... [2024-11-14 05:14:29,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5c10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:14:29, skipping insertion in model container [2024-11-14 05:14:29,660 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:14:20" (2/3) ... [2024-11-14 05:14:29,660 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5c10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:14:29, skipping insertion in model container [2024-11-14 05:14:29,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:14:29" (3/3) ... [2024-11-14 05:14:29,664 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-11-14 05:14:29,686 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:14:29,688 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.adding.3.prop1-back-serstep.c that has 1 procedures, 7 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:14:29,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:14:29,786 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;@7bf5c436, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:14:29,787 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:14:29,791 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 05:14:29,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-14 05:14:29,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:14:29,800 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-14 05:14:29,800 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:14:29,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:14:29,809 INFO L85 PathProgramCache]: Analyzing trace with hash 100937306, now seen corresponding path program 1 times [2024-11-14 05:14:29,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:14:29,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668738421] [2024-11-14 05:14:29,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:14:29,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:14:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:14:33,287 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 05:14:33,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-14 05:14:33,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668738421] [2024-11-14 05:14:33,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668738421] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:14:33,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:14:33,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 05:14:33,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810006546] [2024-11-14 05:14:33,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:14:33,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:14:33,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-14 05:14:33,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:14:33,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:14:33,327 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 05:14:35,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:14:37,609 WARN L539 Checker$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 05:14:39,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:14:42,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:14:44,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 05:14:46,256 WARN L539 Checker$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 05:14:46,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:14:46,257 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2024-11-14 05:14:46,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:14:46,264 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 05:14:46,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:14:46,269 INFO L225 Difference]: With dead ends: 15 [2024-11-14 05:14:46,269 INFO L226 Difference]: Without dead ends: 9 [2024-11-14 05:14:46,272 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-14 05:14:46,275 INFO L432 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s 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, 12.9s IncrementalHoareTripleChecker+Time [2024-11-14 05:14:46,277 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 6 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 6 Unknown, 0 Unchecked, 12.9s Time] [2024-11-14 05:14:46,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-14 05:14:46,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2024-11-14 05:14:46,311 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 05:14:46,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2024-11-14 05:14:46,320 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2024-11-14 05:14:46,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:14:46,321 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2024-11-14 05:14:46,321 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 05:14:46,321 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2024-11-14 05:14:46,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-14 05:14:46,322 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:14:46,322 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2024-11-14 05:14:46,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 05:14:46,322 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:14:46,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:14:46,323 INFO L85 PathProgramCache]: Analyzing trace with hash 634749887, now seen corresponding path program 1 times [2024-11-14 05:14:46,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-14 05:14:46,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249125863] [2024-11-14 05:14:46,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:14:46,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 05:14:55,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:14:55,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 05:15:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 05:15:02,060 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-14 05:15:02,061 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-14 05:15:02,062 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 05:15:02,064 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 05:15:02,068 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 05:15:02,139 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 05:15:02,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 05:15:02 BoogieIcfgContainer [2024-11-14 05:15:02,144 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 05:15:02,146 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-14 05:15:02,146 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-14 05:15:02,146 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-14 05:15:02,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:14:29" (3/4) ... [2024-11-14 05:15:02,149 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-14 05:15:02,150 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-14 05:15:02,150 INFO L158 Benchmark]: Toolchain (without parser) took 42991.01ms. Allocated memory was 117.4MB in the beginning and 822.1MB in the end (delta: 704.6MB). Free memory was 91.5MB in the beginning and 492.1MB in the end (delta: -400.6MB). Peak memory consumption was 304.7MB. Max. memory is 16.1GB. [2024-11-14 05:15:02,151 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:15:02,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 850.55ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 61.7MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-14 05:15:02,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 433.50ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 61.2MB in the end (delta: 573.7kB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2024-11-14 05:15:02,152 INFO L158 Benchmark]: Boogie Preprocessor took 330.80ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 54.0MB in the end (delta: 7.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2024-11-14 05:15:02,152 INFO L158 Benchmark]: RCFGBuilder took 8870.76ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 53.9MB in the beginning and 143.0MB in the end (delta: -89.1MB). Peak memory consumption was 231.5MB. Max. memory is 16.1GB. [2024-11-14 05:15:02,152 INFO L158 Benchmark]: TraceAbstraction took 32491.54ms. Allocated memory was 369.1MB in the beginning and 822.1MB in the end (delta: 453.0MB). Free memory was 143.0MB in the beginning and 492.2MB in the end (delta: -349.2MB). Peak memory consumption was 363.5MB. Max. memory is 16.1GB. [2024-11-14 05:15:02,153 INFO L158 Benchmark]: Witness Printer took 4.02ms. Allocated memory is still 822.1MB. Free memory was 492.2MB in the beginning and 492.1MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-14 05:15:02,154 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 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 850.55ms. Allocated memory is still 117.4MB. Free memory was 91.5MB in the beginning and 61.7MB in the end (delta: 29.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 433.50ms. Allocated memory is still 117.4MB. Free memory was 61.7MB in the beginning and 61.2MB in the end (delta: 573.7kB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 330.80ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 54.0MB in the end (delta: 7.1MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. * RCFGBuilder took 8870.76ms. Allocated memory was 117.4MB in the beginning and 369.1MB in the end (delta: 251.7MB). Free memory was 53.9MB in the beginning and 143.0MB in the end (delta: -89.1MB). Peak memory consumption was 231.5MB. Max. memory is 16.1GB. * TraceAbstraction took 32491.54ms. Allocated memory was 369.1MB in the beginning and 822.1MB in the end (delta: 453.0MB). Free memory was 143.0MB in the beginning and 492.2MB in the end (delta: -349.2MB). Peak memory consumption was 363.5MB. Max. memory is 16.1GB. * Witness Printer took 4.02ms. Allocated memory is still 822.1MB. Free memory was 492.2MB in the beginning and 492.1MB in the end (delta: 71.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 192, overapproximation of bitwiseOr at line 188, overapproximation of bitwiseAnd at line 190, overapproximation of bitwiseAnd at line 101, overapproximation of bitwiseAnd at line 64. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 5); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (5 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_3 var_5 = 0; [L39] const SORT_1 var_12 = 0; [L40] const SORT_3 var_34 = 1; [L41] const SORT_3 var_37 = 0; [L42] const SORT_1 var_62 = 1; [L43] const SORT_4 var_65 = 300; [L44] const SORT_3 var_66 = 0; [L45] const SORT_4 var_68 = 16; [L46] const SORT_4 var_171 = 637; [L48] SORT_3 input_44; [L49] SORT_3 input_46; [L50] SORT_3 input_48; [L51] SORT_1 input_50; [L52] SORT_1 input_52; [L53] SORT_1 input_54; [L54] SORT_1 input_56; [L55] SORT_1 input_58; [L56] SORT_1 input_60; [L57] SORT_1 input_64; [L58] SORT_1 input_74; [L59] SORT_1 input_78; [L60] SORT_1 input_81; [L61] SORT_1 input_96; [L62] SORT_1 input_100; [L64] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L64] SORT_3 state_6 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L65] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L65] SORT_3 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L66] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 [L66] SORT_3 state_10 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L67] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L67] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L68] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L69] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L70] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L71] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L72] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L73] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L74] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_3 init_7_arg_1 = var_5; [L77] state_6 = init_7_arg_1 [L78] SORT_3 init_9_arg_1 = var_5; [L79] state_8 = init_9_arg_1 [L80] SORT_3 init_11_arg_1 = var_5; [L81] state_10 = init_11_arg_1 [L82] SORT_1 init_14_arg_1 = var_12; [L83] state_13 = init_14_arg_1 [L84] SORT_1 init_16_arg_1 = var_12; [L85] state_15 = init_16_arg_1 [L86] SORT_1 init_18_arg_1 = var_12; [L87] state_17 = init_18_arg_1 [L88] SORT_1 init_20_arg_1 = var_12; [L89] state_19 = init_20_arg_1 [L90] SORT_1 init_22_arg_1 = var_12; [L91] state_21 = init_22_arg_1 [L92] SORT_1 init_24_arg_1 = var_12; [L93] state_23 = init_24_arg_1 [L94] SORT_1 init_26_arg_1 = var_12; [L95] state_25 = init_26_arg_1 [L96] SORT_1 init_28_arg_1 = var_12; [L97] state_27 = init_28_arg_1 VAL [mask_SORT_1=1, mask_SORT_3=65535, mask_SORT_4=-1, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_6=0, state_8=0, var_171=637, var_34=1, var_37=0, var_62=1, var_65=300, var_66=0, var_68=16] [L100] input_44 = __VERIFIER_nondet_ushort() [L101] EXPR input_44 & mask_SORT_3 [L101] input_44 = input_44 & mask_SORT_3 [L102] input_46 = __VERIFIER_nondet_ushort() [L103] EXPR input_46 & mask_SORT_3 [L103] input_46 = input_46 & mask_SORT_3 [L104] input_48 = __VERIFIER_nondet_ushort() [L105] EXPR input_48 & mask_SORT_3 [L105] input_48 = input_48 & mask_SORT_3 [L106] input_50 = __VERIFIER_nondet_uchar() [L107] EXPR input_50 & mask_SORT_1 [L107] input_50 = input_50 & mask_SORT_1 [L108] input_52 = __VERIFIER_nondet_uchar() [L109] EXPR input_52 & mask_SORT_1 [L109] input_52 = input_52 & mask_SORT_1 [L110] input_54 = __VERIFIER_nondet_uchar() [L111] EXPR input_54 & mask_SORT_1 [L111] input_54 = input_54 & mask_SORT_1 [L112] input_56 = __VERIFIER_nondet_uchar() [L113] EXPR input_56 & mask_SORT_1 [L113] input_56 = input_56 & mask_SORT_1 [L114] input_58 = __VERIFIER_nondet_uchar() [L115] EXPR input_58 & mask_SORT_1 [L115] input_58 = input_58 & mask_SORT_1 [L116] input_60 = __VERIFIER_nondet_uchar() [L117] EXPR input_60 & mask_SORT_1 [L117] input_60 = input_60 & mask_SORT_1 [L118] input_64 = __VERIFIER_nondet_uchar() [L119] EXPR input_64 & mask_SORT_1 [L119] input_64 = input_64 & mask_SORT_1 [L120] input_74 = __VERIFIER_nondet_uchar() [L121] EXPR input_74 & mask_SORT_1 [L121] input_74 = input_74 & mask_SORT_1 [L122] input_78 = __VERIFIER_nondet_uchar() [L123] EXPR input_78 & mask_SORT_1 [L123] input_78 = input_78 & mask_SORT_1 [L124] input_81 = __VERIFIER_nondet_uchar() [L125] EXPR input_81 & mask_SORT_1 [L125] input_81 = input_81 & mask_SORT_1 [L126] input_96 = __VERIFIER_nondet_uchar() [L127] EXPR input_96 & mask_SORT_1 [L127] input_96 = input_96 & mask_SORT_1 [L128] input_100 = __VERIFIER_nondet_uchar() [L129] EXPR input_100 & mask_SORT_1 [L129] input_100 = input_100 & mask_SORT_1 [L132] SORT_1 var_29_arg_0 = state_13; [L133] SORT_1 var_29_arg_1 = ~state_15; [L134] EXPR var_29_arg_1 & mask_SORT_1 [L134] var_29_arg_1 = var_29_arg_1 & mask_SORT_1 [L135] EXPR var_29_arg_0 & var_29_arg_1 [L135] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L136] SORT_1 var_30_arg_0 = var_29; [L137] SORT_1 var_30_arg_1 = ~state_17; [L138] EXPR var_30_arg_1 & mask_SORT_1 [L138] var_30_arg_1 = var_30_arg_1 & mask_SORT_1 [L139] EXPR var_30_arg_0 & var_30_arg_1 [L139] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L140] SORT_1 var_31_arg_0 = var_30; [L141] SORT_1 var_31_arg_1 = state_19; [L142] EXPR var_31_arg_0 & var_31_arg_1 [L142] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L143] SORT_1 var_32_arg_0 = var_31; [L144] SORT_1 var_32_arg_1 = ~state_21; [L145] EXPR var_32_arg_1 & mask_SORT_1 [L145] var_32_arg_1 = var_32_arg_1 & mask_SORT_1 [L146] EXPR var_32_arg_0 & var_32_arg_1 [L146] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L147] SORT_1 var_33_arg_0 = var_32; [L148] SORT_1 var_33_arg_1 = ~state_23; [L149] EXPR var_33_arg_1 & mask_SORT_1 [L149] var_33_arg_1 = var_33_arg_1 & mask_SORT_1 [L150] EXPR var_33_arg_0 & var_33_arg_1 [L150] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L151] SORT_3 var_35_arg_0 = var_34; [L152] SORT_3 var_35_arg_1 = state_6; [L153] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L154] SORT_1 var_36_arg_0 = var_33; [L155] SORT_1 var_36_arg_1 = var_35; [L156] EXPR var_36_arg_0 & var_36_arg_1 [L156] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L157] SORT_3 var_38_arg_0 = var_37; [L158] SORT_3 var_38_arg_1 = state_8; [L159] SORT_1 var_38 = var_38_arg_0 == var_38_arg_1; [L160] SORT_1 var_39_arg_0 = var_36; [L161] SORT_1 var_39_arg_1 = var_38; [L162] EXPR var_39_arg_0 & var_39_arg_1 [L162] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L163] SORT_3 var_40_arg_0 = var_37; [L164] SORT_3 var_40_arg_1 = state_10; [L165] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L166] SORT_1 var_41_arg_0 = var_39; [L167] SORT_1 var_41_arg_1 = var_40; [L168] EXPR var_41_arg_0 & var_41_arg_1 [L168] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L169] SORT_1 var_42_arg_0 = state_27; [L170] SORT_1 var_42_arg_1 = var_41; [L171] EXPR var_42_arg_0 & var_42_arg_1 [L171] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L172] EXPR var_42 & mask_SORT_1 [L172] var_42 = var_42 & mask_SORT_1 [L173] SORT_1 bad_43_arg_0 = var_42; [L174] CALL __VERIFIER_assert(!(bad_43_arg_0)) [L21] COND FALSE !(!(cond)) [L174] RET __VERIFIER_assert(!(bad_43_arg_0)) [L176] SORT_3 next_45_arg_1 = input_44; [L177] SORT_3 next_47_arg_1 = input_46; [L178] SORT_3 next_49_arg_1 = input_48; [L179] SORT_1 next_51_arg_1 = input_50; [L180] SORT_1 next_53_arg_1 = input_52; [L181] SORT_1 next_55_arg_1 = input_54; [L182] SORT_1 next_57_arg_1 = input_56; [L183] SORT_1 next_59_arg_1 = input_58; [L184] SORT_1 next_61_arg_1 = input_60; [L185] SORT_1 next_63_arg_1 = var_62; [L186] SORT_3 var_67_arg_0 = input_44; [L187] SORT_3 var_67_arg_1 = var_66; [L188] EXPR ((SORT_4)var_67_arg_0 << 16) | var_67_arg_1 [L188] SORT_4 var_67 = ((SORT_4)var_67_arg_0 << 16) | var_67_arg_1; [L189] SORT_4 var_69_arg_0 = var_67; [L190] EXPR var_69_arg_0 & msb_SORT_4 [L190] EXPR (var_69_arg_0 & msb_SORT_4) ? (var_69_arg_0 | ~mask_SORT_4) : (var_69_arg_0 & mask_SORT_4) [L190] EXPR var_69_arg_0 & mask_SORT_4 [L190] EXPR (var_69_arg_0 & msb_SORT_4) ? (var_69_arg_0 | ~mask_SORT_4) : (var_69_arg_0 & mask_SORT_4) [L190] var_69_arg_0 = (var_69_arg_0 & msb_SORT_4) ? (var_69_arg_0 | ~mask_SORT_4) : (var_69_arg_0 & mask_SORT_4) [L191] SORT_4 var_69_arg_1 = var_68; [L192] EXPR (int)var_69_arg_0 >> var_69_arg_1 [L192] SORT_4 var_69 = (int)var_69_arg_0 >> var_69_arg_1; [L193] EXPR var_69_arg_0 & msb_SORT_4 [L193] EXPR (var_69_arg_0 & msb_SORT_4) ? (var_69 | ~(mask_SORT_4 >> var_69_arg_1)) : var_69 [L193] var_69 = (var_69_arg_0 & msb_SORT_4) ? (var_69 | ~(mask_SORT_4 >> var_69_arg_1)) : var_69 [L194] EXPR var_69 & mask_SORT_4 [L194] var_69 = var_69 & mask_SORT_4 [L195] SORT_4 var_70_arg_0 = var_65; [L196] SORT_4 var_70_arg_1 = var_69; [L197] SORT_1 var_70 = var_70_arg_0 <= var_70_arg_1; [L198] SORT_1 var_71_arg_0 = input_50; [L199] SORT_1 var_71_arg_1 = ~var_70; [L200] EXPR var_71_arg_1 & mask_SORT_1 [L200] var_71_arg_1 = var_71_arg_1 & mask_SORT_1 [L201] EXPR var_71_arg_0 & var_71_arg_1 [L201] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L202] SORT_1 var_72_arg_0 = ~input_64; [L203] EXPR var_72_arg_0 & mask_SORT_1 [L203] var_72_arg_0 = var_72_arg_0 & mask_SORT_1 [L204] SORT_1 var_72_arg_1 = var_71; [L205] EXPR var_72_arg_0 | var_72_arg_1 [L205] SORT_1 var_72 = var_72_arg_0 | var_72_arg_1; [L206] SORT_1 var_73_arg_0 = input_52; [L207] SORT_1 var_73_arg_1 = input_64; [L208] EXPR var_73_arg_0 | var_73_arg_1 [L208] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L209] SORT_1 var_75_arg_0 = var_73; [L210] SORT_1 var_75_arg_1 = ~input_74; [L211] EXPR var_75_arg_1 & mask_SORT_1 [L211] var_75_arg_1 = var_75_arg_1 & mask_SORT_1 [L212] EXPR var_75_arg_0 | var_75_arg_1 [L212] SORT_1 var_75 = var_75_arg_0 | var_75_arg_1; [L213] SORT_1 var_76_arg_0 = var_72; [L214] SORT_1 var_76_arg_1 = var_75; [L215] EXPR var_76_arg_0 & var_76_arg_1 [L215] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L216] SORT_1 var_77_arg_0 = input_54; [L217] SORT_1 var_77_arg_1 = input_74; [L218] EXPR var_77_arg_0 | var_77_arg_1 [L218] SORT_1 var_77 = var_77_arg_0 | var_77_arg_1; [L219] SORT_1 var_79_arg_0 = var_77; [L220] SORT_1 var_79_arg_1 = ~input_78; [L221] EXPR var_79_arg_1 & mask_SORT_1 [L221] var_79_arg_1 = var_79_arg_1 & mask_SORT_1 [L222] EXPR var_79_arg_0 | var_79_arg_1 [L222] SORT_1 var_79 = var_79_arg_0 | var_79_arg_1; [L223] SORT_1 var_80_arg_0 = var_76; [L224] SORT_1 var_80_arg_1 = var_79; [L225] EXPR var_80_arg_0 & var_80_arg_1 [L225] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L226] SORT_1 var_82_arg_0 = input_64; [L227] SORT_3 var_82_arg_1 = input_44; [L228] SORT_3 var_82_arg_2 = input_46; [L229] SORT_3 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L230] SORT_3 var_83_arg_0 = var_82; [L231] SORT_3 var_83_arg_1 = var_66; [L232] EXPR ((SORT_4)var_83_arg_0 << 16) | var_83_arg_1 [L232] SORT_4 var_83 = ((SORT_4)var_83_arg_0 << 16) | var_83_arg_1; [L233] SORT_4 var_84_arg_0 = var_83; [L234] EXPR var_84_arg_0 & msb_SORT_4 [L234] EXPR (var_84_arg_0 & msb_SORT_4) ? (var_84_arg_0 | ~mask_SORT_4) : (var_84_arg_0 & mask_SORT_4) [L234] EXPR var_84_arg_0 & mask_SORT_4 [L234] EXPR (var_84_arg_0 & msb_SORT_4) ? (var_84_arg_0 | ~mask_SORT_4) : (var_84_arg_0 & mask_SORT_4) [L234] var_84_arg_0 = (var_84_arg_0 & msb_SORT_4) ? (var_84_arg_0 | ~mask_SORT_4) : (var_84_arg_0 & mask_SORT_4) [L235] SORT_4 var_84_arg_1 = var_68; [L236] EXPR (int)var_84_arg_0 >> var_84_arg_1 [L236] SORT_4 var_84 = (int)var_84_arg_0 >> var_84_arg_1; [L237] EXPR var_84_arg_0 & msb_SORT_4 [L237] EXPR (var_84_arg_0 & msb_SORT_4) ? (var_84 | ~(mask_SORT_4 >> var_84_arg_1)) : var_84 [L237] var_84 = (var_84_arg_0 & msb_SORT_4) ? (var_84 | ~(mask_SORT_4 >> var_84_arg_1)) : var_84 [L238] SORT_4 var_85_arg_0 = var_69; [L239] SORT_4 var_85_arg_1 = var_84; [L240] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; [L241] SORT_4 var_86_arg_0 = var_85; [L242] SORT_3 var_86 = var_86_arg_0 >> 0; [L243] SORT_1 var_87_arg_0 = input_74; [L244] SORT_3 var_87_arg_1 = var_86; [L245] SORT_3 var_87_arg_2 = var_82; [L246] SORT_3 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L247] EXPR var_87 & mask_SORT_3 [L247] var_87 = var_87 & mask_SORT_3 [L248] SORT_1 var_88_arg_0 = input_78; [L249] SORT_3 var_88_arg_1 = var_87; [L250] SORT_3 var_88_arg_2 = input_44; [L251] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L252] SORT_3 var_89_arg_0 = var_88; [L253] SORT_3 var_89_arg_1 = var_66; [L254] EXPR ((SORT_4)var_89_arg_0 << 16) | var_89_arg_1 [L254] SORT_4 var_89 = ((SORT_4)var_89_arg_0 << 16) | var_89_arg_1; [L255] SORT_4 var_90_arg_0 = var_89; [L256] EXPR var_90_arg_0 & msb_SORT_4 [L256] EXPR (var_90_arg_0 & msb_SORT_4) ? (var_90_arg_0 | ~mask_SORT_4) : (var_90_arg_0 & mask_SORT_4) [L256] EXPR var_90_arg_0 & mask_SORT_4 [L256] EXPR (var_90_arg_0 & msb_SORT_4) ? (var_90_arg_0 | ~mask_SORT_4) : (var_90_arg_0 & mask_SORT_4) [L256] var_90_arg_0 = (var_90_arg_0 & msb_SORT_4) ? (var_90_arg_0 | ~mask_SORT_4) : (var_90_arg_0 & mask_SORT_4) [L257] SORT_4 var_90_arg_1 = var_68; [L258] EXPR (int)var_90_arg_0 >> var_90_arg_1 [L258] SORT_4 var_90 = (int)var_90_arg_0 >> var_90_arg_1; [L259] EXPR var_90_arg_0 & msb_SORT_4 [L259] EXPR (var_90_arg_0 & msb_SORT_4) ? (var_90 | ~(mask_SORT_4 >> var_90_arg_1)) : var_90 [L259] var_90 = (var_90_arg_0 & msb_SORT_4) ? (var_90 | ~(mask_SORT_4 >> var_90_arg_1)) : var_90 [L260] EXPR var_90 & mask_SORT_4 [L260] var_90 = var_90 & mask_SORT_4 [L261] SORT_4 var_91_arg_0 = var_65; [L262] SORT_4 var_91_arg_1 = var_90; [L263] SORT_1 var_91 = var_91_arg_0 <= var_91_arg_1; [L264] SORT_1 var_92_arg_0 = input_56; [L265] SORT_1 var_92_arg_1 = ~var_91; [L266] EXPR var_92_arg_1 & mask_SORT_1 [L266] var_92_arg_1 = var_92_arg_1 & mask_SORT_1 [L267] EXPR var_92_arg_0 & var_92_arg_1 [L267] SORT_1 var_92 = var_92_arg_0 & var_92_arg_1; [L268] SORT_1 var_93_arg_0 = ~input_81; [L269] EXPR var_93_arg_0 & mask_SORT_1 [L269] var_93_arg_0 = var_93_arg_0 & mask_SORT_1 [L270] SORT_1 var_93_arg_1 = var_92; [L271] EXPR var_93_arg_0 | var_93_arg_1 [L271] SORT_1 var_93 = var_93_arg_0 | var_93_arg_1; [L272] SORT_1 var_94_arg_0 = var_80; [L273] SORT_1 var_94_arg_1 = var_93; [L274] EXPR var_94_arg_0 & var_94_arg_1 [L274] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L275] SORT_1 var_95_arg_0 = input_58; [L276] SORT_1 var_95_arg_1 = input_81; [L277] EXPR var_95_arg_0 | var_95_arg_1 [L277] SORT_1 var_95 = var_95_arg_0 | var_95_arg_1; [L278] SORT_1 var_97_arg_0 = var_95; [L279] SORT_1 var_97_arg_1 = ~input_96; [L280] EXPR var_97_arg_1 & mask_SORT_1 [L280] var_97_arg_1 = var_97_arg_1 & mask_SORT_1 [L281] EXPR var_97_arg_0 | var_97_arg_1 [L281] SORT_1 var_97 = var_97_arg_0 | var_97_arg_1; [L282] SORT_1 var_98_arg_0 = var_94; [L283] SORT_1 var_98_arg_1 = var_97; [L284] EXPR var_98_arg_0 & var_98_arg_1 [L284] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L285] SORT_1 var_99_arg_0 = input_60; [L286] SORT_1 var_99_arg_1 = input_96; [L287] EXPR var_99_arg_0 | var_99_arg_1 [L287] SORT_1 var_99 = var_99_arg_0 | var_99_arg_1; [L288] SORT_1 var_101_arg_0 = var_99; [L289] SORT_1 var_101_arg_1 = ~input_100; [L290] EXPR var_101_arg_1 & mask_SORT_1 [L290] var_101_arg_1 = var_101_arg_1 & mask_SORT_1 [L291] EXPR var_101_arg_0 | var_101_arg_1 [L291] SORT_1 var_101 = var_101_arg_0 | var_101_arg_1; [L292] SORT_1 var_102_arg_0 = var_98; [L293] SORT_1 var_102_arg_1 = var_101; [L294] EXPR var_102_arg_0 & var_102_arg_1 [L294] SORT_1 var_102 = var_102_arg_0 & var_102_arg_1; [L295] SORT_1 var_103_arg_0 = input_64; [L296] SORT_1 var_103_arg_1 = input_74; [L297] EXPR var_103_arg_0 | var_103_arg_1 [L297] SORT_1 var_103 = var_103_arg_0 | var_103_arg_1; [L298] SORT_1 var_104_arg_0 = input_78; [L299] SORT_1 var_104_arg_1 = var_103; [L300] EXPR var_104_arg_0 | var_104_arg_1 [L300] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L301] SORT_1 var_105_arg_0 = input_81; [L302] SORT_1 var_105_arg_1 = var_104; [L303] EXPR var_105_arg_0 | var_105_arg_1 [L303] SORT_1 var_105 = var_105_arg_0 | var_105_arg_1; [L304] SORT_1 var_106_arg_0 = input_96; [L305] SORT_1 var_106_arg_1 = var_105; [L306] EXPR var_106_arg_0 | var_106_arg_1 [L306] SORT_1 var_106 = var_106_arg_0 | var_106_arg_1; [L307] SORT_1 var_107_arg_0 = input_100; [L308] SORT_1 var_107_arg_1 = var_106; [L309] EXPR var_107_arg_0 | var_107_arg_1 [L309] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L310] SORT_1 var_108_arg_0 = var_102; [L311] SORT_1 var_108_arg_1 = var_107; [L312] EXPR var_108_arg_0 & var_108_arg_1 [L312] SORT_1 var_108 = var_108_arg_0 & var_108_arg_1; [L313] SORT_1 var_109_arg_0 = input_50; [L314] SORT_1 var_109_arg_1 = input_52; [L315] EXPR var_109_arg_0 & var_109_arg_1 [L315] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L316] SORT_1 var_110_arg_0 = input_50; [L317] SORT_1 var_110_arg_1 = input_52; [L318] EXPR var_110_arg_0 | var_110_arg_1 [L318] SORT_1 var_110 = var_110_arg_0 | var_110_arg_1; [L319] SORT_1 var_111_arg_0 = input_54; [L320] SORT_1 var_111_arg_1 = var_110; [L321] EXPR var_111_arg_0 & var_111_arg_1 [L321] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L322] SORT_1 var_112_arg_0 = var_109; [L323] SORT_1 var_112_arg_1 = var_111; [L324] EXPR var_112_arg_0 | var_112_arg_1 [L324] SORT_1 var_112 = var_112_arg_0 | var_112_arg_1; [L325] SORT_1 var_113_arg_0 = input_54; [L326] SORT_1 var_113_arg_1 = var_110; [L327] EXPR var_113_arg_0 | var_113_arg_1 [L327] SORT_1 var_113 = var_113_arg_0 | var_113_arg_1; [L328] SORT_1 var_114_arg_0 = ~var_112; [L329] EXPR var_114_arg_0 & mask_SORT_1 [L329] var_114_arg_0 = var_114_arg_0 & mask_SORT_1 [L330] SORT_1 var_114_arg_1 = var_113; [L331] EXPR var_114_arg_0 & var_114_arg_1 [L331] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L332] SORT_1 var_115_arg_0 = input_56; [L333] SORT_1 var_115_arg_1 = input_58; [L334] EXPR var_115_arg_0 & var_115_arg_1 [L334] SORT_1 var_115 = var_115_arg_0 & var_115_arg_1; [L335] SORT_1 var_116_arg_0 = input_56; [L336] SORT_1 var_116_arg_1 = input_58; [L337] EXPR var_116_arg_0 | var_116_arg_1 [L337] SORT_1 var_116 = var_116_arg_0 | var_116_arg_1; [L338] SORT_1 var_117_arg_0 = input_60; [L339] SORT_1 var_117_arg_1 = var_116; [L340] EXPR var_117_arg_0 & var_117_arg_1 [L340] SORT_1 var_117 = var_117_arg_0 & var_117_arg_1; [L341] SORT_1 var_118_arg_0 = var_115; [L342] SORT_1 var_118_arg_1 = var_117; [L343] EXPR var_118_arg_0 | var_118_arg_1 [L343] SORT_1 var_118 = var_118_arg_0 | var_118_arg_1; [L344] SORT_1 var_119_arg_0 = var_114; [L345] SORT_1 var_119_arg_1 = ~var_118; [L346] EXPR var_119_arg_1 & mask_SORT_1 [L346] var_119_arg_1 = var_119_arg_1 & mask_SORT_1 [L347] EXPR var_119_arg_0 & var_119_arg_1 [L347] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L348] SORT_1 var_120_arg_0 = input_60; [L349] SORT_1 var_120_arg_1 = var_116; [L350] EXPR var_120_arg_0 | var_120_arg_1 [L350] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L351] SORT_1 var_121_arg_0 = var_119; [L352] SORT_1 var_121_arg_1 = var_120; [L353] EXPR var_121_arg_0 & var_121_arg_1 [L353] SORT_1 var_121 = var_121_arg_0 & var_121_arg_1; [L354] SORT_1 var_122_arg_0 = var_108; [L355] SORT_1 var_122_arg_1 = var_121; [L356] EXPR var_122_arg_0 & var_122_arg_1 [L356] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L357] SORT_1 var_123_arg_0 = var_73; [L358] SORT_1 var_123_arg_1 = ~input_74; [L359] EXPR var_123_arg_1 & mask_SORT_1 [L359] var_123_arg_1 = var_123_arg_1 & mask_SORT_1 [L360] EXPR var_123_arg_0 & var_123_arg_1 [L360] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L361] EXPR var_123 & mask_SORT_1 [L361] var_123 = var_123 & mask_SORT_1 [L362] SORT_1 var_124_arg_0 = input_50; [L363] SORT_1 var_124_arg_1 = ~input_64; [L364] EXPR var_124_arg_1 & mask_SORT_1 [L364] var_124_arg_1 = var_124_arg_1 & mask_SORT_1 [L365] EXPR var_124_arg_0 & var_124_arg_1 [L365] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L366] SORT_1 var_125_arg_0 = var_124; [L367] SORT_1 var_125_arg_1 = input_78; [L368] EXPR var_125_arg_0 | var_125_arg_1 [L368] SORT_1 var_125 = var_125_arg_0 | var_125_arg_1; [L369] EXPR var_125 & mask_SORT_1 [L369] var_125 = var_125 & mask_SORT_1 [L370] SORT_1 var_126_arg_0 = var_123; [L371] SORT_1 var_126_arg_1 = var_125; [L372] EXPR var_126_arg_0 & var_126_arg_1 [L372] SORT_1 var_126 = var_126_arg_0 & var_126_arg_1; [L373] SORT_1 var_127_arg_0 = var_77; [L374] SORT_1 var_127_arg_1 = ~input_78; [L375] EXPR var_127_arg_1 & mask_SORT_1 [L375] var_127_arg_1 = var_127_arg_1 & mask_SORT_1 [L376] EXPR var_127_arg_0 & var_127_arg_1 [L376] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L377] EXPR var_127 & mask_SORT_1 [L377] var_127 = var_127 & mask_SORT_1 [L378] SORT_1 var_128_arg_0 = var_123; [L379] SORT_1 var_128_arg_1 = var_125; [L380] EXPR var_128_arg_0 | var_128_arg_1 [L380] SORT_1 var_128 = var_128_arg_0 | var_128_arg_1; [L381] SORT_1 var_129_arg_0 = var_127; [L382] SORT_1 var_129_arg_1 = var_128; [L383] EXPR var_129_arg_0 & var_129_arg_1 [L383] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L384] SORT_1 var_130_arg_0 = var_126; [L385] SORT_1 var_130_arg_1 = var_129; [L386] EXPR var_130_arg_0 | var_130_arg_1 [L386] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L387] SORT_1 var_131_arg_0 = var_127; [L388] SORT_1 var_131_arg_1 = var_128; [L389] EXPR var_131_arg_0 | var_131_arg_1 [L389] SORT_1 var_131 = var_131_arg_0 | var_131_arg_1; [L390] SORT_1 var_132_arg_0 = ~var_130; [L391] EXPR var_132_arg_0 & mask_SORT_1 [L391] var_132_arg_0 = var_132_arg_0 & mask_SORT_1 [L392] SORT_1 var_132_arg_1 = var_131; [L393] EXPR var_132_arg_0 & var_132_arg_1 [L393] SORT_1 var_132 = var_132_arg_0 & var_132_arg_1; [L394] SORT_1 var_133_arg_0 = var_95; [L395] SORT_1 var_133_arg_1 = ~input_96; [L396] EXPR var_133_arg_1 & mask_SORT_1 [L396] var_133_arg_1 = var_133_arg_1 & mask_SORT_1 [L397] EXPR var_133_arg_0 & var_133_arg_1 [L397] SORT_1 var_133 = var_133_arg_0 & var_133_arg_1; [L398] EXPR var_133 & mask_SORT_1 [L398] var_133 = var_133 & mask_SORT_1 [L399] SORT_1 var_134_arg_0 = input_56; [L400] SORT_1 var_134_arg_1 = ~input_81; [L401] EXPR var_134_arg_1 & mask_SORT_1 [L401] var_134_arg_1 = var_134_arg_1 & mask_SORT_1 [L402] EXPR var_134_arg_0 & var_134_arg_1 [L402] SORT_1 var_134 = var_134_arg_0 & var_134_arg_1; [L403] SORT_1 var_135_arg_0 = var_134; [L404] SORT_1 var_135_arg_1 = input_100; [L405] EXPR var_135_arg_0 | var_135_arg_1 [L405] SORT_1 var_135 = var_135_arg_0 | var_135_arg_1; [L406] EXPR var_135 & mask_SORT_1 [L406] var_135 = var_135 & mask_SORT_1 [L407] SORT_1 var_136_arg_0 = var_133; [L408] SORT_1 var_136_arg_1 = var_135; [L409] EXPR var_136_arg_0 & var_136_arg_1 [L409] SORT_1 var_136 = var_136_arg_0 & var_136_arg_1; [L410] SORT_1 var_137_arg_0 = var_99; [L411] SORT_1 var_137_arg_1 = ~input_100; [L412] EXPR var_137_arg_1 & mask_SORT_1 [L412] var_137_arg_1 = var_137_arg_1 & mask_SORT_1 [L413] EXPR var_137_arg_0 & var_137_arg_1 [L413] SORT_1 var_137 = var_137_arg_0 & var_137_arg_1; [L414] EXPR var_137 & mask_SORT_1 [L414] var_137 = var_137 & mask_SORT_1 [L415] SORT_1 var_138_arg_0 = var_133; [L416] SORT_1 var_138_arg_1 = var_135; [L417] EXPR var_138_arg_0 | var_138_arg_1 [L417] SORT_1 var_138 = var_138_arg_0 | var_138_arg_1; [L418] SORT_1 var_139_arg_0 = var_137; [L419] SORT_1 var_139_arg_1 = var_138; [L420] EXPR var_139_arg_0 & var_139_arg_1 [L420] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L421] SORT_1 var_140_arg_0 = var_136; [L422] SORT_1 var_140_arg_1 = var_139; [L423] EXPR var_140_arg_0 | var_140_arg_1 [L423] SORT_1 var_140 = var_140_arg_0 | var_140_arg_1; [L424] SORT_1 var_141_arg_0 = var_132; [L425] SORT_1 var_141_arg_1 = ~var_140; [L426] EXPR var_141_arg_1 & mask_SORT_1 [L426] var_141_arg_1 = var_141_arg_1 & mask_SORT_1 [L427] EXPR var_141_arg_0 & var_141_arg_1 [L427] SORT_1 var_141 = var_141_arg_0 & var_141_arg_1; [L428] SORT_1 var_142_arg_0 = var_137; [L429] SORT_1 var_142_arg_1 = var_138; [L430] EXPR var_142_arg_0 | var_142_arg_1 [L430] SORT_1 var_142 = var_142_arg_0 | var_142_arg_1; [L431] SORT_1 var_143_arg_0 = var_141; [L432] SORT_1 var_143_arg_1 = var_142; [L433] EXPR var_143_arg_0 & var_143_arg_1 [L433] SORT_1 var_143 = var_143_arg_0 & var_143_arg_1; [L434] SORT_1 var_144_arg_0 = var_122; [L435] SORT_1 var_144_arg_1 = var_143; [L436] EXPR var_144_arg_0 & var_144_arg_1 [L436] SORT_1 var_144 = var_144_arg_0 & var_144_arg_1; [L437] SORT_1 var_145_arg_0 = input_81; [L438] SORT_3 var_145_arg_1 = var_88; [L439] SORT_3 var_145_arg_2 = input_48; [L440] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L441] SORT_3 var_146_arg_0 = var_145; [L442] SORT_3 var_146_arg_1 = var_66; [L443] EXPR ((SORT_4)var_146_arg_0 << 16) | var_146_arg_1 [L443] SORT_4 var_146 = ((SORT_4)var_146_arg_0 << 16) | var_146_arg_1; [L444] SORT_4 var_147_arg_0 = var_146; [L445] EXPR var_147_arg_0 & msb_SORT_4 [L445] EXPR (var_147_arg_0 & msb_SORT_4) ? (var_147_arg_0 | ~mask_SORT_4) : (var_147_arg_0 & mask_SORT_4) [L445] EXPR var_147_arg_0 & mask_SORT_4 [L445] EXPR (var_147_arg_0 & msb_SORT_4) ? (var_147_arg_0 | ~mask_SORT_4) : (var_147_arg_0 & mask_SORT_4) [L445] var_147_arg_0 = (var_147_arg_0 & msb_SORT_4) ? (var_147_arg_0 | ~mask_SORT_4) : (var_147_arg_0 & mask_SORT_4) [L446] SORT_4 var_147_arg_1 = var_68; [L447] EXPR (int)var_147_arg_0 >> var_147_arg_1 [L447] SORT_4 var_147 = (int)var_147_arg_0 >> var_147_arg_1; [L448] EXPR var_147_arg_0 & msb_SORT_4 [L448] EXPR (var_147_arg_0 & msb_SORT_4) ? (var_147 | ~(mask_SORT_4 >> var_147_arg_1)) : var_147 [L448] EXPR mask_SORT_4 >> var_147_arg_1 [L448] EXPR var_147 | ~(mask_SORT_4 >> var_147_arg_1) [L448] EXPR (var_147_arg_0 & msb_SORT_4) ? (var_147 | ~(mask_SORT_4 >> var_147_arg_1)) : var_147 [L448] var_147 = (var_147_arg_0 & msb_SORT_4) ? (var_147 | ~(mask_SORT_4 >> var_147_arg_1)) : var_147 [L449] SORT_4 var_148_arg_0 = var_90; [L450] SORT_4 var_148_arg_1 = var_147; [L451] SORT_4 var_148 = var_148_arg_0 + var_148_arg_1; [L452] SORT_4 var_149_arg_0 = var_148; [L453] SORT_3 var_149 = var_149_arg_0 >> 0; [L454] SORT_1 var_150_arg_0 = input_96; [L455] SORT_3 var_150_arg_1 = var_149; [L456] SORT_3 var_150_arg_2 = var_145; [L457] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L458] EXPR var_150 & mask_SORT_3 [L458] var_150 = var_150 & mask_SORT_3 [L459] SORT_1 var_151_arg_0 = input_100; [L460] SORT_3 var_151_arg_1 = var_150; [L461] SORT_3 var_151_arg_2 = var_88; [L462] SORT_3 var_151 = var_151_arg_0 ? var_151_arg_1 : var_151_arg_2; [L463] EXPR var_151 & mask_SORT_3 [L463] var_151 = var_151 & mask_SORT_3 [L464] SORT_3 var_152_arg_0 = var_151; [L465] SORT_3 var_152_arg_1 = state_6; [L466] SORT_1 var_152 = var_152_arg_0 == var_152_arg_1; [L467] SORT_1 var_153_arg_0 = var_144; [L468] SORT_1 var_153_arg_1 = var_152; [L469] EXPR var_153_arg_0 & var_153_arg_1 [L469] SORT_1 var_153 = var_153_arg_0 & var_153_arg_1; [L470] SORT_3 var_154_arg_0 = var_87; [L471] SORT_3 var_154_arg_1 = state_8; [L472] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L473] SORT_1 var_155_arg_0 = var_153; [L474] SORT_1 var_155_arg_1 = var_154; [L475] EXPR var_155_arg_0 & var_155_arg_1 [L475] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L476] SORT_3 var_156_arg_0 = var_150; [L477] SORT_3 var_156_arg_1 = state_10; [L478] SORT_1 var_156 = var_156_arg_0 == var_156_arg_1; [L479] SORT_1 var_157_arg_0 = var_155; [L480] SORT_1 var_157_arg_1 = var_156; [L481] EXPR var_157_arg_0 & var_157_arg_1 [L481] SORT_1 var_157 = var_157_arg_0 & var_157_arg_1; [L482] SORT_1 var_158_arg_0 = var_125; [L483] SORT_1 var_158_arg_1 = state_13; [L484] SORT_1 var_158 = var_158_arg_0 == var_158_arg_1; [L485] SORT_1 var_159_arg_0 = var_157; [L486] SORT_1 var_159_arg_1 = var_158; [L487] EXPR var_159_arg_0 & var_159_arg_1 [L487] SORT_1 var_159 = var_159_arg_0 & var_159_arg_1; [L488] SORT_1 var_160_arg_0 = var_123; [L489] SORT_1 var_160_arg_1 = state_15; [L490] SORT_1 var_160 = var_160_arg_0 == var_160_arg_1; [L491] SORT_1 var_161_arg_0 = var_159; [L492] SORT_1 var_161_arg_1 = var_160; [L493] EXPR var_161_arg_0 & var_161_arg_1 [L493] SORT_1 var_161 = var_161_arg_0 & var_161_arg_1; [L494] SORT_1 var_162_arg_0 = var_127; [L495] SORT_1 var_162_arg_1 = state_17; [L496] SORT_1 var_162 = var_162_arg_0 == var_162_arg_1; [L497] SORT_1 var_163_arg_0 = var_161; [L498] SORT_1 var_163_arg_1 = var_162; [L499] EXPR var_163_arg_0 & var_163_arg_1 [L499] SORT_1 var_163 = var_163_arg_0 & var_163_arg_1; [L500] SORT_1 var_164_arg_0 = var_135; [L501] SORT_1 var_164_arg_1 = state_19; [L502] SORT_1 var_164 = var_164_arg_0 == var_164_arg_1; [L503] SORT_1 var_165_arg_0 = var_163; [L504] SORT_1 var_165_arg_1 = var_164; [L505] EXPR var_165_arg_0 & var_165_arg_1 [L505] SORT_1 var_165 = var_165_arg_0 & var_165_arg_1; [L506] SORT_1 var_166_arg_0 = var_133; [L507] SORT_1 var_166_arg_1 = state_21; [L508] SORT_1 var_166 = var_166_arg_0 == var_166_arg_1; [L509] SORT_1 var_167_arg_0 = var_165; [L510] SORT_1 var_167_arg_1 = var_166; [L511] EXPR var_167_arg_0 & var_167_arg_1 [L511] SORT_1 var_167 = var_167_arg_0 & var_167_arg_1; [L512] SORT_1 var_168_arg_0 = var_137; [L513] SORT_1 var_168_arg_1 = state_23; [L514] SORT_1 var_168 = var_168_arg_0 == var_168_arg_1; [L515] SORT_1 var_169_arg_0 = var_167; [L516] SORT_1 var_169_arg_1 = var_168; [L517] EXPR var_169_arg_0 & var_169_arg_1 [L517] SORT_1 var_169 = var_169_arg_0 & var_169_arg_1; [L518] SORT_1 var_170_arg_0 = var_169; [L519] SORT_1 var_170_arg_1 = state_27; [L520] EXPR var_170_arg_0 & var_170_arg_1 [L520] SORT_1 var_170 = var_170_arg_0 & var_170_arg_1; [L521] SORT_4 var_172_arg_0 = var_171; [L522] SORT_4 var_172_arg_1 = var_69; [L523] SORT_1 var_172 = var_172_arg_0 == var_172_arg_1; [L524] SORT_1 var_173_arg_0 = state_25; [L525] SORT_1 var_173_arg_1 = var_170; [L526] SORT_1 var_173_arg_2 = var_172; [L527] SORT_1 var_173 = var_173_arg_0 ? var_173_arg_1 : var_173_arg_2; [L528] SORT_1 next_174_arg_1 = var_173; [L530] state_6 = next_45_arg_1 [L531] state_8 = next_47_arg_1 [L532] state_10 = next_49_arg_1 [L533] state_13 = next_51_arg_1 [L534] state_15 = next_53_arg_1 [L535] state_17 = next_55_arg_1 [L536] state_19 = next_57_arg_1 [L537] state_21 = next_59_arg_1 [L538] state_23 = next_61_arg_1 [L539] state_25 = next_63_arg_1 [L540] state_27 = next_174_arg_1 [L100] input_44 = __VERIFIER_nondet_ushort() [L101] EXPR input_44 & mask_SORT_3 [L101] input_44 = input_44 & mask_SORT_3 [L102] input_46 = __VERIFIER_nondet_ushort() [L103] EXPR input_46 & mask_SORT_3 [L103] input_46 = input_46 & mask_SORT_3 [L104] input_48 = __VERIFIER_nondet_ushort() [L105] EXPR input_48 & mask_SORT_3 [L105] input_48 = input_48 & mask_SORT_3 [L106] input_50 = __VERIFIER_nondet_uchar() [L107] EXPR input_50 & mask_SORT_1 [L107] input_50 = input_50 & mask_SORT_1 [L108] input_52 = __VERIFIER_nondet_uchar() [L109] EXPR input_52 & mask_SORT_1 [L109] input_52 = input_52 & mask_SORT_1 [L110] input_54 = __VERIFIER_nondet_uchar() [L111] EXPR input_54 & mask_SORT_1 [L111] input_54 = input_54 & mask_SORT_1 [L112] input_56 = __VERIFIER_nondet_uchar() [L113] EXPR input_56 & mask_SORT_1 [L113] input_56 = input_56 & mask_SORT_1 [L114] input_58 = __VERIFIER_nondet_uchar() [L115] EXPR input_58 & mask_SORT_1 [L115] input_58 = input_58 & mask_SORT_1 [L116] input_60 = __VERIFIER_nondet_uchar() [L117] EXPR input_60 & mask_SORT_1 [L117] input_60 = input_60 & mask_SORT_1 [L118] input_64 = __VERIFIER_nondet_uchar() [L119] EXPR input_64 & mask_SORT_1 [L119] input_64 = input_64 & mask_SORT_1 [L120] input_74 = __VERIFIER_nondet_uchar() [L121] EXPR input_74 & mask_SORT_1 [L121] input_74 = input_74 & mask_SORT_1 [L122] input_78 = __VERIFIER_nondet_uchar() [L123] EXPR input_78 & mask_SORT_1 [L123] input_78 = input_78 & mask_SORT_1 [L124] input_81 = __VERIFIER_nondet_uchar() [L125] EXPR input_81 & mask_SORT_1 [L125] input_81 = input_81 & mask_SORT_1 [L126] input_96 = __VERIFIER_nondet_uchar() [L127] EXPR input_96 & mask_SORT_1 [L127] input_96 = input_96 & mask_SORT_1 [L128] input_100 = __VERIFIER_nondet_uchar() [L129] EXPR input_100 & mask_SORT_1 [L129] input_100 = input_100 & mask_SORT_1 [L132] SORT_1 var_29_arg_0 = state_13; [L133] SORT_1 var_29_arg_1 = ~state_15; [L134] EXPR var_29_arg_1 & mask_SORT_1 [L134] var_29_arg_1 = var_29_arg_1 & mask_SORT_1 [L135] EXPR var_29_arg_0 & var_29_arg_1 [L135] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L136] SORT_1 var_30_arg_0 = var_29; [L137] SORT_1 var_30_arg_1 = ~state_17; [L138] EXPR var_30_arg_1 & mask_SORT_1 [L138] var_30_arg_1 = var_30_arg_1 & mask_SORT_1 [L139] EXPR var_30_arg_0 & var_30_arg_1 [L139] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L140] SORT_1 var_31_arg_0 = var_30; [L141] SORT_1 var_31_arg_1 = state_19; [L142] EXPR var_31_arg_0 & var_31_arg_1 [L142] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L143] SORT_1 var_32_arg_0 = var_31; [L144] SORT_1 var_32_arg_1 = ~state_21; [L145] EXPR var_32_arg_1 & mask_SORT_1 [L145] var_32_arg_1 = var_32_arg_1 & mask_SORT_1 [L146] EXPR var_32_arg_0 & var_32_arg_1 [L146] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L147] SORT_1 var_33_arg_0 = var_32; [L148] SORT_1 var_33_arg_1 = ~state_23; [L149] EXPR var_33_arg_1 & mask_SORT_1 [L149] var_33_arg_1 = var_33_arg_1 & mask_SORT_1 [L150] EXPR var_33_arg_0 & var_33_arg_1 [L150] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L151] SORT_3 var_35_arg_0 = var_34; [L152] SORT_3 var_35_arg_1 = state_6; [L153] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L154] SORT_1 var_36_arg_0 = var_33; [L155] SORT_1 var_36_arg_1 = var_35; [L156] EXPR var_36_arg_0 & var_36_arg_1 [L156] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L157] SORT_3 var_38_arg_0 = var_37; [L158] SORT_3 var_38_arg_1 = state_8; [L159] SORT_1 var_38 = var_38_arg_0 == var_38_arg_1; [L160] SORT_1 var_39_arg_0 = var_36; [L161] SORT_1 var_39_arg_1 = var_38; [L162] EXPR var_39_arg_0 & var_39_arg_1 [L162] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L163] SORT_3 var_40_arg_0 = var_37; [L164] SORT_3 var_40_arg_1 = state_10; [L165] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L166] SORT_1 var_41_arg_0 = var_39; [L167] SORT_1 var_41_arg_1 = var_40; [L168] EXPR var_41_arg_0 & var_41_arg_1 [L168] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L169] SORT_1 var_42_arg_0 = state_27; [L170] SORT_1 var_42_arg_1 = var_41; [L171] EXPR var_42_arg_0 & var_42_arg_1 [L171] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L172] EXPR var_42 & mask_SORT_1 [L172] var_42 = var_42 & mask_SORT_1 [L173] SORT_1 bad_43_arg_0 = var_42; [L174] CALL __VERIFIER_assert(!(bad_43_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: 32.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 12.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 12.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 2 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=1, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 9.7s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-14 05:15:02,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-14 05:15:04,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 05:15:04,614 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-14 05:15:04,619 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 05:15:04,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 05:15:04,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 05:15:04,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 05:15:04,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 05:15:04,656 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 05:15:04,656 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 05:15:04,656 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-14 05:15:04,656 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-14 05:15:04,657 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-14 05:15:04,657 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-14 05:15:04,657 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-14 05:15:04,657 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-14 05:15:04,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 05:15:04,659 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 05:15:04,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 05:15:04,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 05:15:04,661 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 05:15:04,661 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 05:15:04,661 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-14 05:15:04,661 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-14 05:15:04,661 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-14 05:15:04,661 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-14 05:15:04,661 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 05:15:04,662 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 05:15:04,662 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 05:15:04,662 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 05:15:04,662 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-14 05:15:04,662 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 05:15:04,662 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:15:04,662 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 05:15:04,662 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 05:15:04,662 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 05:15:04,662 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-14 05:15:04,662 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-14 05:15:04,663 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 05:15:04,663 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-14 05:15:04,663 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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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 -> 2f62226d73e0e183857d998fb902bf54be9131b3acae6a442e91dae883f96d96 [2024-11-14 05:15:05,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 05:15:05,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 05:15:05,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 05:15:05,014 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 05:15:05,015 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 05:15:05,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c Unable to find full path for "g++" [2024-11-14 05:15:06,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 05:15:07,099 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 05:15:07,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-11-14 05:15:07,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/data/243bb1bd3/c1f64f23cf824886be70fa4933b86572/FLAGe467f18b5 [2024-11-14 05:15:07,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/data/243bb1bd3/c1f64f23cf824886be70fa4933b86572 [2024-11-14 05:15:07,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 05:15:07,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-14 05:15:07,163 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 05:15:07,163 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 05:15:07,168 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 05:15:07,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,170 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@232a109f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07, skipping insertion in model container [2024-11-14 05:15:07,172 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 05:15:07,352 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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-11-14 05:15:07,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:15:07,499 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 05:15:07,510 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_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.3.prop1-back-serstep.c[1174,1187] [2024-11-14 05:15:07,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 05:15:07,662 INFO L204 MainTranslator]: Completed translation [2024-11-14 05:15:07,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07 WrapperNode [2024-11-14 05:15:07,664 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 05:15:07,665 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 05:15:07,665 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 05:15:07,665 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 05:15:07,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,749 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 572 [2024-11-14 05:15:07,750 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 05:15:07,750 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 05:15:07,750 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 05:15:07,750 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 05:15:07,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,764 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,789 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,798 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,812 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 05:15:07,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 05:15:07,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 05:15:07,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 05:15:07,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (1/1) ... [2024-11-14 05:15:07,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 05:15:07,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/z3 [2024-11-14 05:15:07,843 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 05:15:07,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 05:15:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 05:15:07,871 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-14 05:15:07,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 05:15:07,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 05:15:08,089 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 05:15:08,090 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 05:15:09,113 INFO L? ?]: Removed 74 outVars from TransFormulas that were not future-live. [2024-11-14 05:15:09,118 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 05:15:09,127 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 05:15:09,128 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-14 05:15:09,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:15:09 BoogieIcfgContainer [2024-11-14 05:15:09,128 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 05:15:09,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 05:15:09,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 05:15:09,136 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 05:15:09,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 05:15:07" (1/3) ... [2024-11-14 05:15:09,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27162a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:15:09, skipping insertion in model container [2024-11-14 05:15:09,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 05:15:07" (2/3) ... [2024-11-14 05:15:09,137 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27162a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 05:15:09, skipping insertion in model container [2024-11-14 05:15:09,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 05:15:09" (3/3) ... [2024-11-14 05:15:09,139 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.adding.3.prop1-back-serstep.c [2024-11-14 05:15:09,156 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 05:15:09,157 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.adding.3.prop1-back-serstep.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-14 05:15:09,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-14 05:15:09,238 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;@5bfc7c68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 05:15:09,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 05:15:09,243 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 05:15:09,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-14 05:15:09,249 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:15:09,249 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-14 05:15:09,250 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:15:09,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:15:09,255 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-14 05:15:09,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:15:09,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65378579] [2024-11-14 05:15:09,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:15:09,269 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 05:15:09,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:15:09,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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 05:15:09,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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 05:15:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:15:09,605 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 05:15:09,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 05:15:09,735 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 05:15:09,738 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 05:15:09,739 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-14 05:15:09,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65378579] [2024-11-14 05:15:09,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65378579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 05:15:09,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 05:15:09,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-14 05:15:09,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535534103] [2024-11-14 05:15:09,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 05:15:09,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-14 05:15:09,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-14 05:15:09,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-14 05:15:09,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-14 05:15:09,775 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 05:15:09,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-14 05:15:09,912 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-14 05:15:09,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-14 05:15:09,917 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 05:15:09,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-14 05:15:09,923 INFO L225 Difference]: With dead ends: 18 [2024-11-14 05:15:09,924 INFO L226 Difference]: Without dead ends: 10 [2024-11-14 05:15:09,926 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 05:15:09,930 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-14 05:15:09,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-14 05:15:09,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-14 05:15:09,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-14 05:15:09,956 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 05:15:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-14 05:15:09,961 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-14 05:15:09,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-14 05:15:09,961 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-14 05:15:09,961 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 05:15:09,962 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-14 05:15:09,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-14 05:15:09,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-14 05:15:09,962 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-14 05:15:09,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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)] Forceful destruction successful, exit code 0 [2024-11-14 05:15:10,165 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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 05:15:10,165 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 05:15:10,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 05:15:10,166 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-14 05:15:10,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-14 05:15:10,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [610070181] [2024-11-14 05:15:10,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 05:15:10,167 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 05:15:10,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/bin/utaipan-verify-sOmjnqqW8E/mathsat [2024-11-14 05:15:10,173 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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 05:15:10,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a2bf2ea-708b-493b-b9e5-e22946e86f4b/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 05:15:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 05:15:10,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-14 05:15:10,579 INFO L278 TraceCheckSpWp]: Computing forward predicates...