./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5 --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 38fe6edef2c4227a551fd0bd2efbb70ffec62fb04544c0cbb381405d275a8737 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:48:50,300 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:48:50,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-21 19:48:50,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:48:50,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:48:50,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:48:50,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:48:50,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:48:50,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:48:50,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:48:50,434 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:48:50,434 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:48:50,435 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:48:50,435 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-21 19:48:50,436 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:48:50,437 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:48:50,437 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-21 19:48:50,438 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-21 19:48:50,439 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:48:50,439 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-21 19:48:50,440 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-21 19:48:50,441 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-21 19:48:50,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:48:50,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:48:50,443 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 19:48:50,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:48:50,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:48:50,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:48:50,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:48:50,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:48:50,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:48:50,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:48:50,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:48:50,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:48:50,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:48:50,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:48:50,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:48:50,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:48:50,449 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-21 19:48:50,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 19:48:50,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:48:50,450 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:48:50,450 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:48:50,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:48:50,451 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38fe6edef2c4227a551fd0bd2efbb70ffec62fb04544c0cbb381405d275a8737 [2023-11-21 19:48:50,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:48:50,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:48:50,774 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:48:50,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:48:50,776 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:48:50,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2023-11-21 19:48:53,979 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:48:54,360 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:48:54,361 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2023-11-21 19:48:54,402 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/data/8e62eae0d/f382b2c10755414ab7a3d7790324da43/FLAGdfb0eb4dc [2023-11-21 19:48:54,423 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/data/8e62eae0d/f382b2c10755414ab7a3d7790324da43 [2023-11-21 19:48:54,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:48:54,433 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:48:54,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:48:54,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:48:54,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:48:54,445 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:48:54" (1/1) ... [2023-11-21 19:48:54,446 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575eaa9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:54, skipping insertion in model container [2023-11-21 19:48:54,447 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:48:54" (1/1) ... [2023-11-21 19:48:54,549 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:48:54,755 WARN L240 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_1647f246-9705-48de-afde-100d7dd64530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1258,1271] [2023-11-21 19:48:55,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:48:55,218 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:48:55,231 WARN L240 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_1647f246-9705-48de-afde-100d7dd64530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1258,1271] [2023-11-21 19:48:55,480 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:48:55,496 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:48:55,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55 WrapperNode [2023-11-21 19:48:55,497 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:48:55,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:48:55,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:48:55,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:48:55,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:55,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:55,968 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3845 [2023-11-21 19:48:55,969 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:48:55,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:48:55,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:48:55,971 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:48:55,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:55,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:56,110 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:56,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:56,235 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:56,270 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:56,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:56,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:56,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:48:56,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:48:56,528 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:48:56,528 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:48:56,529 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (1/1) ... [2023-11-21 19:48:56,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:48:56,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:48:56,600 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:48:56,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:48:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:48:56,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 19:48:56,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:48:56,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:48:57,294 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:48:57,297 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:49:00,882 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:49:10,492 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:49:10,493 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 19:49:10,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:49:10 BoogieIcfgContainer [2023-11-21 19:49:10,495 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:49:10,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:49:10,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:49:10,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:49:10,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:48:54" (1/3) ... [2023-11-21 19:49:10,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227c842f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:49:10, skipping insertion in model container [2023-11-21 19:49:10,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:48:55" (2/3) ... [2023-11-21 19:49:10,505 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227c842f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:49:10, skipping insertion in model container [2023-11-21 19:49:10,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:49:10" (3/3) ... [2023-11-21 19:49:10,507 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p4.c [2023-11-21 19:49:10,534 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:49:10,534 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:49:10,600 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:49:10,608 INFO L357 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, mHoare=true, 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;@77858a0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:49:10,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:49:10,614 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) [2023-11-21 19:49:10,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 19:49:10,622 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:49:10,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 19:49:10,624 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:49:10,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:49:10,631 INFO L85 PathProgramCache]: Analyzing trace with hash 105104592, now seen corresponding path program 1 times [2023-11-21 19:49:10,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-21 19:49:10,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133827913] [2023-11-21 19:49:10,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:49:10,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 19:49:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:49:12,570 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 19:49:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:49:14,035 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-21 19:49:14,037 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 19:49:14,039 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:49:14,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-21 19:49:14,050 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:49:14,056 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:49:14,113 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 19:49:14,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:49:14 BoogieIcfgContainer [2023-11-21 19:49:14,153 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:49:14,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:49:14,156 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:49:14,156 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:49:14,157 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:49:10" (3/4) ... [2023-11-21 19:49:14,161 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 19:49:14,162 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:49:14,165 INFO L158 Benchmark]: Toolchain (without parser) took 19730.51ms. Allocated memory was 155.2MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 112.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 306.4MB. Max. memory is 16.1GB. [2023-11-21 19:49:14,165 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:49:14,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.29ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 112.6MB in the beginning and 122.7MB in the end (delta: -10.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. [2023-11-21 19:49:14,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 471.19ms. Allocated memory is still 186.6MB. Free memory was 122.7MB in the beginning and 87.2MB in the end (delta: 35.5MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2023-11-21 19:49:14,175 INFO L158 Benchmark]: Boogie Preprocessor took 555.57ms. Allocated memory was 186.6MB in the beginning and 331.4MB in the end (delta: 144.7MB). Free memory was 87.2MB in the beginning and 227.9MB in the end (delta: -140.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2023-11-21 19:49:14,177 INFO L158 Benchmark]: RCFGBuilder took 13967.71ms. Allocated memory was 331.4MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 227.9MB in the beginning and 1.2GB in the end (delta: -990.0MB). Peak memory consumption was 502.1MB. Max. memory is 16.1GB. [2023-11-21 19:49:14,179 INFO L158 Benchmark]: TraceAbstraction took 3655.39ms. Allocated memory is still 1.5GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 69.2MB). Peak memory consumption was 220.2MB. Max. memory is 16.1GB. [2023-11-21 19:49:14,180 INFO L158 Benchmark]: Witness Printer took 8.58ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:49:14,189 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 155.2MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.29ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 112.6MB in the beginning and 122.7MB in the end (delta: -10.1MB). Peak memory consumption was 64.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 471.19ms. Allocated memory is still 186.6MB. Free memory was 122.7MB in the beginning and 87.2MB in the end (delta: 35.5MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 555.57ms. Allocated memory was 186.6MB in the beginning and 331.4MB in the end (delta: 144.7MB). Free memory was 87.2MB in the beginning and 227.9MB in the end (delta: -140.7MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. * RCFGBuilder took 13967.71ms. Allocated memory was 331.4MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 227.9MB in the beginning and 1.2GB in the end (delta: -990.0MB). Peak memory consumption was 502.1MB. Max. memory is 16.1GB. * TraceAbstraction took 3655.39ms. Allocated memory is still 1.5GB. Free memory was 1.2GB in the beginning and 1.1GB in the end (delta: 69.2MB). Peak memory consumption was 220.2MB. Max. memory is 16.1GB. * Witness Printer took 8.58ms. Allocated memory is still 1.5GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 126. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L35] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 32); [L36] const SORT_66 msb_SORT_66 = (SORT_66)1 << (32 - 1); [L38] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 3); [L39] const SORT_100 msb_SORT_100 = (SORT_100)1 << (3 - 1); [L41] const SORT_10 var_12 = 15; [L42] const SORT_1 var_16 = 1; [L43] const SORT_3 var_22 = 0; [L44] const SORT_1 var_25 = 0; [L45] const SORT_66 var_68 = 1; [L46] const SORT_3 var_106 = 3; [L47] const SORT_66 var_115 = 2; [L48] const SORT_66 var_122 = 0; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_3 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L57] SORT_1 input_90; [L58] SORT_3 input_105; [L59] SORT_3 input_127; [L60] SORT_3 input_128; [L61] SORT_3 input_129; [L62] SORT_3 input_137; [L63] SORT_3 input_139; [L64] SORT_3 input_141; [L65] SORT_3 input_167; [L66] SORT_3 input_168; [L67] SORT_3 input_176; [L68] SORT_3 input_178; [L69] SORT_3 input_180; [L70] SORT_3 input_182; [L71] SORT_3 input_236; [L72] SORT_3 input_245; [L73] SORT_3 input_246; [L74] SORT_3 input_247; [L75] SORT_3 input_248; [L76] SORT_3 input_273; [L77] SORT_3 input_274; [L78] SORT_3 input_275; [L79] SORT_3 input_284; [L80] SORT_3 input_330; [L81] SORT_3 input_340; [L82] SORT_3 input_341; [L83] SORT_3 input_342; [L84] SORT_3 input_343; [L85] SORT_3 input_352; [L86] SORT_3 input_371; [L87] SORT_3 input_372; [L88] SORT_3 input_373; [L89] SORT_3 input_382; [L90] SORT_3 input_384; [L91] SORT_3 input_430; [L92] SORT_3 input_441; [L93] SORT_3 input_442; [L94] SORT_3 input_443; [L95] SORT_3 input_444; [L96] SORT_3 input_453; [L97] SORT_3 input_455; [L98] SORT_3 input_475; [L99] SORT_3 input_476; [L100] SORT_3 input_477; [L101] SORT_3 input_486; [L102] SORT_3 input_488; [L103] SORT_3 input_490; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_10 [L105] SORT_10 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L106] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L107] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L108] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L109] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L110] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L111] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L112] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L113] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L114] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L115] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L116] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L117] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L118] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L119] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L120] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L121] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L125] input_2 = __VERIFIER_nondet_uchar() [L126] EXPR input_2 & mask_SORT_1 [L126] input_2 = input_2 & mask_SORT_1 [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_5 = __VERIFIER_nondet_uchar() [L129] input_6 = __VERIFIER_nondet_uchar() [L130] input_7 = __VERIFIER_nondet_uchar() [L131] input_8 = __VERIFIER_nondet_uchar() [L132] input_9 = __VERIFIER_nondet_uchar() [L133] EXPR input_9 & mask_SORT_1 [L133] input_9 = input_9 & mask_SORT_1 [L134] input_90 = __VERIFIER_nondet_uchar() [L135] input_105 = __VERIFIER_nondet_uchar() [L136] input_127 = __VERIFIER_nondet_uchar() [L137] input_128 = __VERIFIER_nondet_uchar() [L138] input_129 = __VERIFIER_nondet_uchar() [L139] input_137 = __VERIFIER_nondet_uchar() [L140] input_139 = __VERIFIER_nondet_uchar() [L141] input_141 = __VERIFIER_nondet_uchar() [L142] input_167 = __VERIFIER_nondet_uchar() [L143] input_168 = __VERIFIER_nondet_uchar() [L144] input_176 = __VERIFIER_nondet_uchar() [L145] input_178 = __VERIFIER_nondet_uchar() [L146] input_180 = __VERIFIER_nondet_uchar() [L147] input_182 = __VERIFIER_nondet_uchar() [L148] input_236 = __VERIFIER_nondet_uchar() [L149] input_245 = __VERIFIER_nondet_uchar() [L150] input_246 = __VERIFIER_nondet_uchar() [L151] input_247 = __VERIFIER_nondet_uchar() [L152] input_248 = __VERIFIER_nondet_uchar() [L153] input_273 = __VERIFIER_nondet_uchar() [L154] input_274 = __VERIFIER_nondet_uchar() [L155] input_275 = __VERIFIER_nondet_uchar() [L156] input_284 = __VERIFIER_nondet_uchar() [L157] input_330 = __VERIFIER_nondet_uchar() [L158] input_340 = __VERIFIER_nondet_uchar() [L159] input_341 = __VERIFIER_nondet_uchar() [L160] input_342 = __VERIFIER_nondet_uchar() [L161] input_343 = __VERIFIER_nondet_uchar() [L162] input_352 = __VERIFIER_nondet_uchar() [L163] input_371 = __VERIFIER_nondet_uchar() [L164] input_372 = __VERIFIER_nondet_uchar() [L165] input_373 = __VERIFIER_nondet_uchar() [L166] input_382 = __VERIFIER_nondet_uchar() [L167] input_384 = __VERIFIER_nondet_uchar() [L168] input_430 = __VERIFIER_nondet_uchar() [L169] input_441 = __VERIFIER_nondet_uchar() [L170] input_442 = __VERIFIER_nondet_uchar() [L171] input_443 = __VERIFIER_nondet_uchar() [L172] input_444 = __VERIFIER_nondet_uchar() [L173] input_453 = __VERIFIER_nondet_uchar() [L174] input_455 = __VERIFIER_nondet_uchar() [L175] input_475 = __VERIFIER_nondet_uchar() [L176] input_476 = __VERIFIER_nondet_uchar() [L177] input_477 = __VERIFIER_nondet_uchar() [L178] input_486 = __VERIFIER_nondet_uchar() [L179] input_488 = __VERIFIER_nondet_uchar() [L180] input_490 = __VERIFIER_nondet_uchar() [L183] SORT_10 var_13_arg_0 = state_11; [L184] SORT_10 var_13_arg_1 = var_12; [L185] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L186] SORT_1 var_20_arg_0 = var_16; [L187] SORT_3 var_20_arg_1 = state_19; [L188] SORT_3 var_20_arg_2 = state_18; [L189] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L190] SORT_1 var_17_arg_0 = var_16; [L191] SORT_3 var_17_arg_1 = state_15; [L192] SORT_3 var_17_arg_2 = state_14; [L193] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L194] SORT_1 var_21_arg_0 = var_16; [L195] SORT_3 var_21_arg_1 = var_20; [L196] SORT_3 var_21_arg_2 = var_17; [L197] SORT_3 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; [L198] EXPR var_21 & mask_SORT_3 [L198] var_21 = var_21 & mask_SORT_3 [L199] SORT_3 var_23_arg_0 = var_21; [L200] SORT_3 var_23_arg_1 = var_22; [L201] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L202] SORT_1 var_24_arg_0 = var_13; [L203] SORT_1 var_24_arg_1 = var_23; [L204] EXPR var_24_arg_0 & var_24_arg_1 [L204] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L205] SORT_1 var_27_arg_0 = var_25; [L206] SORT_3 var_27_arg_1 = state_19; [L207] SORT_3 var_27_arg_2 = state_18; [L208] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L209] SORT_1 var_26_arg_0 = var_25; [L210] SORT_3 var_26_arg_1 = state_15; [L211] SORT_3 var_26_arg_2 = state_14; [L212] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L213] SORT_1 var_28_arg_0 = var_16; [L214] SORT_3 var_28_arg_1 = var_27; [L215] SORT_3 var_28_arg_2 = var_26; [L216] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L217] EXPR var_28 & mask_SORT_3 [L217] var_28 = var_28 & mask_SORT_3 [L218] SORT_3 var_29_arg_0 = var_28; [L219] SORT_3 var_29_arg_1 = var_22; [L220] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L221] SORT_1 var_30_arg_0 = var_24; [L222] SORT_1 var_30_arg_1 = var_29; [L223] EXPR var_30_arg_0 & var_30_arg_1 [L223] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L224] SORT_1 var_32_arg_0 = var_16; [L225] SORT_3 var_32_arg_1 = state_19; [L226] SORT_3 var_32_arg_2 = state_18; [L227] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L228] SORT_1 var_31_arg_0 = var_16; [L229] SORT_3 var_31_arg_1 = state_15; [L230] SORT_3 var_31_arg_2 = state_14; [L231] SORT_3 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L232] SORT_1 var_33_arg_0 = var_25; [L233] SORT_3 var_33_arg_1 = var_32; [L234] SORT_3 var_33_arg_2 = var_31; [L235] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L236] EXPR var_33 & mask_SORT_3 [L236] var_33 = var_33 & mask_SORT_3 [L237] SORT_3 var_34_arg_0 = var_33; [L238] SORT_3 var_34_arg_1 = var_22; [L239] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L240] SORT_1 var_35_arg_0 = var_30; [L241] SORT_1 var_35_arg_1 = var_34; [L242] EXPR var_35_arg_0 & var_35_arg_1 [L242] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L243] SORT_1 var_37_arg_0 = var_25; [L244] SORT_3 var_37_arg_1 = state_19; [L245] SORT_3 var_37_arg_2 = state_18; [L246] SORT_3 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L247] SORT_1 var_36_arg_0 = var_25; [L248] SORT_3 var_36_arg_1 = state_15; [L249] SORT_3 var_36_arg_2 = state_14; [L250] SORT_3 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L251] SORT_1 var_38_arg_0 = var_25; [L252] SORT_3 var_38_arg_1 = var_37; [L253] SORT_3 var_38_arg_2 = var_36; [L254] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L255] EXPR var_38 & mask_SORT_3 [L255] var_38 = var_38 & mask_SORT_3 [L256] SORT_3 var_39_arg_0 = var_38; [L257] SORT_3 var_39_arg_1 = var_22; [L258] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L259] SORT_1 var_40_arg_0 = var_35; [L260] SORT_1 var_40_arg_1 = var_39; [L261] EXPR var_40_arg_0 & var_40_arg_1 [L261] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L262] SORT_1 var_41_arg_0 = var_40; [L263] SORT_1 var_41 = ~var_41_arg_0; [L264] SORT_1 var_44_arg_0 = var_41; [L265] SORT_1 var_44 = ~var_44_arg_0; [L266] SORT_1 var_45_arg_0 = var_16; [L267] SORT_1 var_45_arg_1 = var_44; [L268] EXPR var_45_arg_0 & var_45_arg_1 [L268] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L269] EXPR var_45 & mask_SORT_1 [L269] var_45 = var_45 & mask_SORT_1 [L270] SORT_1 bad_46_arg_0 = var_45; [L271] CALL __VERIFIER_assert(!(bad_46_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-21 19:49:14,241 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5 --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 38fe6edef2c4227a551fd0bd2efbb70ffec62fb04544c0cbb381405d275a8737 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 19:49:17,244 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 19:49:17,373 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2023-11-21 19:49:17,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 19:49:17,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 19:49:17,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 19:49:17,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 19:49:17,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 19:49:17,432 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 19:49:17,437 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 19:49:17,438 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-21 19:49:17,438 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-21 19:49:17,439 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-21 19:49:17,440 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-21 19:49:17,441 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-21 19:49:17,441 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-21 19:49:17,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 19:49:17,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 19:49:17,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 19:49:17,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 19:49:17,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 19:49:17,445 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 19:49:17,446 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 19:49:17,446 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 19:49:17,447 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 19:49:17,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 19:49:17,448 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 19:49:17,448 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 19:49:17,449 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 19:49:17,449 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 19:49:17,450 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 19:49:17,451 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:49:17,451 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 19:49:17,451 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 19:49:17,452 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 19:49:17,452 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 19:49:17,452 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 19:49:17,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 19:49:17,453 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 19:49:17,454 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-21 19:49:17,454 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 19:49:17,455 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38fe6edef2c4227a551fd0bd2efbb70ffec62fb04544c0cbb381405d275a8737 [2023-11-21 19:49:17,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 19:49:17,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 19:49:17,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 19:49:17,917 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 19:49:17,917 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 19:49:17,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2023-11-21 19:49:21,223 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 19:49:21,711 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 19:49:21,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c [2023-11-21 19:49:21,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/data/f35a2fde6/93b4424e112d4ff1aad8b57df5eb7f3f/FLAG06cdff18d [2023-11-21 19:49:21,758 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/data/f35a2fde6/93b4424e112d4ff1aad8b57df5eb7f3f [2023-11-21 19:49:21,765 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 19:49:21,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 19:49:21,771 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 19:49:21,782 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 19:49:21,788 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 19:49:21,788 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:49:21" (1/1) ... [2023-11-21 19:49:21,790 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26eaccf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:21, skipping insertion in model container [2023-11-21 19:49:21,790 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 07:49:21" (1/1) ... [2023-11-21 19:49:21,876 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 19:49:22,155 WARN L240 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_1647f246-9705-48de-afde-100d7dd64530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1258,1271] [2023-11-21 19:49:22,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:49:22,624 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 19:49:22,638 WARN L240 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_1647f246-9705-48de-afde-100d7dd64530/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_bpbs_p4.c[1258,1271] [2023-11-21 19:49:22,798 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 19:49:22,815 INFO L206 MainTranslator]: Completed translation [2023-11-21 19:49:22,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22 WrapperNode [2023-11-21 19:49:22,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 19:49:22,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 19:49:22,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 19:49:22,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 19:49:22,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:22,889 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,032 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1815 [2023-11-21 19:49:23,032 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 19:49:23,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 19:49:23,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 19:49:23,033 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 19:49:23,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,055 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,056 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,148 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 19:49:23,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 19:49:23,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 19:49:23,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 19:49:23,271 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (1/1) ... [2023-11-21 19:49:23,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 19:49:23,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/z3 [2023-11-21 19:49:23,313 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 19:49:23,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 19:49:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 19:49:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 19:49:23,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 19:49:23,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 19:49:23,761 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 19:49:23,769 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 19:49:27,013 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 19:49:27,162 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 19:49:27,162 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 19:49:27,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:49:27 BoogieIcfgContainer [2023-11-21 19:49:27,164 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 19:49:27,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 19:49:27,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 19:49:27,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 19:49:27,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 07:49:21" (1/3) ... [2023-11-21 19:49:27,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b16223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:49:27, skipping insertion in model container [2023-11-21 19:49:27,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 07:49:22" (2/3) ... [2023-11-21 19:49:27,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53b16223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 07:49:27, skipping insertion in model container [2023-11-21 19:49:27,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:49:27" (3/3) ... [2023-11-21 19:49:27,176 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_bpbs_p4.c [2023-11-21 19:49:27,196 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 19:49:27,196 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 19:49:27,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 19:49:27,260 INFO L357 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, mHoare=true, 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;@52b7dee1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 19:49:27,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 19:49:27,266 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) [2023-11-21 19:49:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 19:49:27,272 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 19:49:27,273 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2023-11-21 19:49:27,274 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 19:49:27,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 19:49:27,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2023-11-21 19:49:27,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-21 19:49:27,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893619122] [2023-11-21 19:49:27,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 19:49:27,299 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 [2023-11-21 19:49:27,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/mathsat [2023-11-21 19:49:27,306 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/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) [2023-11-21 19:49:27,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 19:49:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:49:27,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 19:49:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 19:49:28,312 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2023-11-21 19:49:28,314 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-21 19:49:28,316 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-21 19:49:28,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 19:49:28,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/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 [2023-11-21 19:49:28,543 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-21 19:49:28,549 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-21 19:49:28,599 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 19:49:28,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 07:49:28 BoogieIcfgContainer [2023-11-21 19:49:28,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-21 19:49:28,628 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 19:49:28,628 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 19:49:28,629 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 19:49:28,629 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 07:49:27" (3/4) ... [2023-11-21 19:49:28,630 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-21 19:49:28,650 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2023-11-21 19:49:28,750 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/witness.graphml [2023-11-21 19:49:28,751 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 19:49:28,752 INFO L158 Benchmark]: Toolchain (without parser) took 6985.08ms. Allocated memory was 75.5MB in the beginning and 197.1MB in the end (delta: 121.6MB). Free memory was 48.6MB in the beginning and 89.0MB in the end (delta: -40.4MB). Peak memory consumption was 82.9MB. Max. memory is 16.1GB. [2023-11-21 19:49:28,752 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 19:49:28,753 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1044.89ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 48.5MB in the beginning and 58.2MB in the end (delta: -9.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2023-11-21 19:49:28,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 215.21ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 44.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-21 19:49:28,754 INFO L158 Benchmark]: Boogie Preprocessor took 211.00ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 52.6MB in the end (delta: -7.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2023-11-21 19:49:28,754 INFO L158 Benchmark]: RCFGBuilder took 3921.27ms. Allocated memory was 92.3MB in the beginning and 197.1MB in the end (delta: 104.9MB). Free memory was 52.6MB in the beginning and 93.2MB in the end (delta: -40.6MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2023-11-21 19:49:28,755 INFO L158 Benchmark]: TraceAbstraction took 1457.53ms. Allocated memory is still 197.1MB. Free memory was 92.2MB in the beginning and 94.3MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 19:49:28,755 INFO L158 Benchmark]: Witness Printer took 122.78ms. Allocated memory is still 197.1MB. Free memory was 94.3MB in the beginning and 89.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 19:49:28,758 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 56.6MB. Free memory was 32.6MB in the beginning and 32.5MB in the end (delta: 65.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1044.89ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 48.5MB in the beginning and 58.2MB in the end (delta: -9.8MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 215.21ms. Allocated memory is still 92.3MB. Free memory was 58.2MB in the beginning and 44.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 211.00ms. Allocated memory is still 92.3MB. Free memory was 44.9MB in the beginning and 52.6MB in the end (delta: -7.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3921.27ms. Allocated memory was 92.3MB in the beginning and 197.1MB in the end (delta: 104.9MB). Free memory was 52.6MB in the beginning and 93.2MB in the end (delta: -40.6MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1457.53ms. Allocated memory is still 197.1MB. Free memory was 92.2MB in the beginning and 94.3MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 122.78ms. Allocated memory is still 197.1MB. Free memory was 94.3MB in the beginning and 89.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 2); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L32] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L33] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L35] const SORT_66 mask_SORT_66 = (SORT_66)-1 >> (sizeof(SORT_66) * 8 - 32); [L36] const SORT_66 msb_SORT_66 = (SORT_66)1 << (32 - 1); [L38] const SORT_100 mask_SORT_100 = (SORT_100)-1 >> (sizeof(SORT_100) * 8 - 3); [L39] const SORT_100 msb_SORT_100 = (SORT_100)1 << (3 - 1); [L41] const SORT_10 var_12 = 15; [L42] const SORT_1 var_16 = 1; [L43] const SORT_3 var_22 = 0; [L44] const SORT_1 var_25 = 0; [L45] const SORT_66 var_68 = 1; [L46] const SORT_3 var_106 = 3; [L47] const SORT_66 var_115 = 2; [L48] const SORT_66 var_122 = 0; [L50] SORT_1 input_2; [L51] SORT_3 input_4; [L52] SORT_3 input_5; [L53] SORT_1 input_6; [L54] SORT_3 input_7; [L55] SORT_1 input_8; [L56] SORT_1 input_9; [L57] SORT_1 input_90; [L58] SORT_3 input_105; [L59] SORT_3 input_127; [L60] SORT_3 input_128; [L61] SORT_3 input_129; [L62] SORT_3 input_137; [L63] SORT_3 input_139; [L64] SORT_3 input_141; [L65] SORT_3 input_167; [L66] SORT_3 input_168; [L67] SORT_3 input_176; [L68] SORT_3 input_178; [L69] SORT_3 input_180; [L70] SORT_3 input_182; [L71] SORT_3 input_236; [L72] SORT_3 input_245; [L73] SORT_3 input_246; [L74] SORT_3 input_247; [L75] SORT_3 input_248; [L76] SORT_3 input_273; [L77] SORT_3 input_274; [L78] SORT_3 input_275; [L79] SORT_3 input_284; [L80] SORT_3 input_330; [L81] SORT_3 input_340; [L82] SORT_3 input_341; [L83] SORT_3 input_342; [L84] SORT_3 input_343; [L85] SORT_3 input_352; [L86] SORT_3 input_371; [L87] SORT_3 input_372; [L88] SORT_3 input_373; [L89] SORT_3 input_382; [L90] SORT_3 input_384; [L91] SORT_3 input_430; [L92] SORT_3 input_441; [L93] SORT_3 input_442; [L94] SORT_3 input_443; [L95] SORT_3 input_444; [L96] SORT_3 input_453; [L97] SORT_3 input_455; [L98] SORT_3 input_475; [L99] SORT_3 input_476; [L100] SORT_3 input_477; [L101] SORT_3 input_486; [L102] SORT_3 input_488; [L103] SORT_3 input_490; [L105] SORT_10 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L106] SORT_3 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L107] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L108] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L109] SORT_3 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L110] SORT_3 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L111] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L112] SORT_3 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L113] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L114] SORT_3 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L115] SORT_3 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L116] SORT_3 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L117] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L118] SORT_3 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L119] SORT_3 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L120] SORT_3 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L121] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L125] input_2 = __VERIFIER_nondet_uchar() [L126] input_2 = input_2 & mask_SORT_1 [L127] input_4 = __VERIFIER_nondet_uchar() [L128] input_5 = __VERIFIER_nondet_uchar() [L129] input_6 = __VERIFIER_nondet_uchar() [L130] input_7 = __VERIFIER_nondet_uchar() [L131] input_8 = __VERIFIER_nondet_uchar() [L132] input_9 = __VERIFIER_nondet_uchar() [L133] input_9 = input_9 & mask_SORT_1 [L134] input_90 = __VERIFIER_nondet_uchar() [L135] input_105 = __VERIFIER_nondet_uchar() [L136] input_127 = __VERIFIER_nondet_uchar() [L137] input_128 = __VERIFIER_nondet_uchar() [L138] input_129 = __VERIFIER_nondet_uchar() [L139] input_137 = __VERIFIER_nondet_uchar() [L140] input_139 = __VERIFIER_nondet_uchar() [L141] input_141 = __VERIFIER_nondet_uchar() [L142] input_167 = __VERIFIER_nondet_uchar() [L143] input_168 = __VERIFIER_nondet_uchar() [L144] input_176 = __VERIFIER_nondet_uchar() [L145] input_178 = __VERIFIER_nondet_uchar() [L146] input_180 = __VERIFIER_nondet_uchar() [L147] input_182 = __VERIFIER_nondet_uchar() [L148] input_236 = __VERIFIER_nondet_uchar() [L149] input_245 = __VERIFIER_nondet_uchar() [L150] input_246 = __VERIFIER_nondet_uchar() [L151] input_247 = __VERIFIER_nondet_uchar() [L152] input_248 = __VERIFIER_nondet_uchar() [L153] input_273 = __VERIFIER_nondet_uchar() [L154] input_274 = __VERIFIER_nondet_uchar() [L155] input_275 = __VERIFIER_nondet_uchar() [L156] input_284 = __VERIFIER_nondet_uchar() [L157] input_330 = __VERIFIER_nondet_uchar() [L158] input_340 = __VERIFIER_nondet_uchar() [L159] input_341 = __VERIFIER_nondet_uchar() [L160] input_342 = __VERIFIER_nondet_uchar() [L161] input_343 = __VERIFIER_nondet_uchar() [L162] input_352 = __VERIFIER_nondet_uchar() [L163] input_371 = __VERIFIER_nondet_uchar() [L164] input_372 = __VERIFIER_nondet_uchar() [L165] input_373 = __VERIFIER_nondet_uchar() [L166] input_382 = __VERIFIER_nondet_uchar() [L167] input_384 = __VERIFIER_nondet_uchar() [L168] input_430 = __VERIFIER_nondet_uchar() [L169] input_441 = __VERIFIER_nondet_uchar() [L170] input_442 = __VERIFIER_nondet_uchar() [L171] input_443 = __VERIFIER_nondet_uchar() [L172] input_444 = __VERIFIER_nondet_uchar() [L173] input_453 = __VERIFIER_nondet_uchar() [L174] input_455 = __VERIFIER_nondet_uchar() [L175] input_475 = __VERIFIER_nondet_uchar() [L176] input_476 = __VERIFIER_nondet_uchar() [L177] input_477 = __VERIFIER_nondet_uchar() [L178] input_486 = __VERIFIER_nondet_uchar() [L179] input_488 = __VERIFIER_nondet_uchar() [L180] input_490 = __VERIFIER_nondet_uchar() [L183] SORT_10 var_13_arg_0 = state_11; [L184] SORT_10 var_13_arg_1 = var_12; [L185] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L186] SORT_1 var_20_arg_0 = var_16; [L187] SORT_3 var_20_arg_1 = state_19; [L188] SORT_3 var_20_arg_2 = state_18; [L189] SORT_3 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L190] SORT_1 var_17_arg_0 = var_16; [L191] SORT_3 var_17_arg_1 = state_15; [L192] SORT_3 var_17_arg_2 = state_14; [L193] SORT_3 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L194] SORT_1 var_21_arg_0 = var_16; [L195] SORT_3 var_21_arg_1 = var_20; [L196] SORT_3 var_21_arg_2 = var_17; [L197] SORT_3 var_21 = var_21_arg_0 ? var_21_arg_1 : var_21_arg_2; [L198] var_21 = var_21 & mask_SORT_3 [L199] SORT_3 var_23_arg_0 = var_21; [L200] SORT_3 var_23_arg_1 = var_22; [L201] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L202] SORT_1 var_24_arg_0 = var_13; [L203] SORT_1 var_24_arg_1 = var_23; [L204] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L205] SORT_1 var_27_arg_0 = var_25; [L206] SORT_3 var_27_arg_1 = state_19; [L207] SORT_3 var_27_arg_2 = state_18; [L208] SORT_3 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L209] SORT_1 var_26_arg_0 = var_25; [L210] SORT_3 var_26_arg_1 = state_15; [L211] SORT_3 var_26_arg_2 = state_14; [L212] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L213] SORT_1 var_28_arg_0 = var_16; [L214] SORT_3 var_28_arg_1 = var_27; [L215] SORT_3 var_28_arg_2 = var_26; [L216] SORT_3 var_28 = var_28_arg_0 ? var_28_arg_1 : var_28_arg_2; [L217] var_28 = var_28 & mask_SORT_3 [L218] SORT_3 var_29_arg_0 = var_28; [L219] SORT_3 var_29_arg_1 = var_22; [L220] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L221] SORT_1 var_30_arg_0 = var_24; [L222] SORT_1 var_30_arg_1 = var_29; [L223] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L224] SORT_1 var_32_arg_0 = var_16; [L225] SORT_3 var_32_arg_1 = state_19; [L226] SORT_3 var_32_arg_2 = state_18; [L227] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L228] SORT_1 var_31_arg_0 = var_16; [L229] SORT_3 var_31_arg_1 = state_15; [L230] SORT_3 var_31_arg_2 = state_14; [L231] SORT_3 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; [L232] SORT_1 var_33_arg_0 = var_25; [L233] SORT_3 var_33_arg_1 = var_32; [L234] SORT_3 var_33_arg_2 = var_31; [L235] SORT_3 var_33 = var_33_arg_0 ? var_33_arg_1 : var_33_arg_2; [L236] var_33 = var_33 & mask_SORT_3 [L237] SORT_3 var_34_arg_0 = var_33; [L238] SORT_3 var_34_arg_1 = var_22; [L239] SORT_1 var_34 = var_34_arg_0 == var_34_arg_1; [L240] SORT_1 var_35_arg_0 = var_30; [L241] SORT_1 var_35_arg_1 = var_34; [L242] SORT_1 var_35 = var_35_arg_0 & var_35_arg_1; [L243] SORT_1 var_37_arg_0 = var_25; [L244] SORT_3 var_37_arg_1 = state_19; [L245] SORT_3 var_37_arg_2 = state_18; [L246] SORT_3 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L247] SORT_1 var_36_arg_0 = var_25; [L248] SORT_3 var_36_arg_1 = state_15; [L249] SORT_3 var_36_arg_2 = state_14; [L250] SORT_3 var_36 = var_36_arg_0 ? var_36_arg_1 : var_36_arg_2; [L251] SORT_1 var_38_arg_0 = var_25; [L252] SORT_3 var_38_arg_1 = var_37; [L253] SORT_3 var_38_arg_2 = var_36; [L254] SORT_3 var_38 = var_38_arg_0 ? var_38_arg_1 : var_38_arg_2; [L255] var_38 = var_38 & mask_SORT_3 [L256] SORT_3 var_39_arg_0 = var_38; [L257] SORT_3 var_39_arg_1 = var_22; [L258] SORT_1 var_39 = var_39_arg_0 == var_39_arg_1; [L259] SORT_1 var_40_arg_0 = var_35; [L260] SORT_1 var_40_arg_1 = var_39; [L261] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L262] SORT_1 var_41_arg_0 = var_40; [L263] SORT_1 var_41 = ~var_41_arg_0; [L264] SORT_1 var_44_arg_0 = var_41; [L265] SORT_1 var_44 = ~var_44_arg_0; [L266] SORT_1 var_45_arg_0 = var_16; [L267] SORT_1 var_45_arg_1 = var_44; [L268] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L269] var_45 = var_45 & mask_SORT_1 [L270] SORT_1 bad_46_arg_0 = var_45; [L271] CALL __VERIFIER_assert(!(bad_46_arg_0)) [L21] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L21] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-21 19:49:28,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1647f246-9705-48de-afde-100d7dd64530/bin/utaipan-verify-QoSU8krkJ5/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE