./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje --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 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:54:23,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:54:23,501 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Default.epf [2024-11-09 05:54:23,507 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:54:23,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:54:23,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:54:23,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:54:23,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:54:23,547 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:54:23,548 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:54:23,548 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:54:23,548 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:54:23,549 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:54:23,549 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:54:23,550 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:54:23,550 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:54:23,551 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:54:23,551 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:54:23,551 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:54:23,552 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:54:23,552 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:54:23,553 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:54:23,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:54:23,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:54:23,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:54:23,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:54:23,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:54:23,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:54:23,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:54:23,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:54:23,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:54:23,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:54:23,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:54:23,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:54:23,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:54:23,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:23,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:54:23,559 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:54:23,559 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:54:23,560 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:54:23,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:54:23,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:54:23,561 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:54:23,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:54:23,561 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_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 [2024-11-09 05:54:23,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:54:23,928 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:54:23,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:54:23,932 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:54:23,933 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:54:23,934 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c Unable to find full path for "g++" [2024-11-09 05:54:26,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:54:26,290 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:54:26,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-09 05:54:26,306 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/data/089376247/7233fa6cac294c9690dca420cc9ddd81/FLAG80d775cc3 [2024-11-09 05:54:26,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/data/089376247/7233fa6cac294c9690dca420cc9ddd81 [2024-11-09 05:54:26,645 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:54:26,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:54:26,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:26,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:54:26,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:54:26,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:26" (1/1) ... [2024-11-09 05:54:26,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7086a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:26, skipping insertion in model container [2024-11-09 05:54:26,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:26" (1/1) ... [2024-11-09 05:54:26,703 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:54:26,949 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_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2024-11-09 05:54:27,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:27,082 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:54:27,093 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_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2024-11-09 05:54:27,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:27,173 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:54:27,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27 WrapperNode [2024-11-09 05:54:27,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:27,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:27,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:54:27,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:54:27,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,197 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,266 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 421 [2024-11-09 05:54:27,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:27,267 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:54:27,268 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:54:27,268 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:54:27,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,322 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,355 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,363 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:54:27,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:54:27,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:54:27,366 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:54:27,367 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (1/1) ... [2024-11-09 05:54:27,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:27,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:54:27,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:54:27,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:54:27,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:54:27,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:54:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:54:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:54:27,584 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:54:27,586 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:54:28,328 INFO L? ?]: Removed 172 outVars from TransFormulas that were not future-live. [2024-11-09 05:54:28,328 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:54:28,943 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:54:28,944 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:54:28,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:28 BoogieIcfgContainer [2024-11-09 05:54:28,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:54:28,947 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:54:28,947 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:54:28,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:54:28,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:54:26" (1/3) ... [2024-11-09 05:54:28,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148277e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:28, skipping insertion in model container [2024-11-09 05:54:28,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:27" (2/3) ... [2024-11-09 05:54:28,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@148277e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:28, skipping insertion in model container [2024-11-09 05:54:28,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:28" (3/3) ... [2024-11-09 05:54:28,957 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2024-11-09 05:54:28,980 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:54:28,980 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:54:29,052 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:54:29,058 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;@7fb8a7c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:54:29,059 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:54:29,063 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) [2024-11-09 05:54:29,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-09 05:54:29,070 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:29,071 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-11-09 05:54:29,071 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:29,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:29,078 INFO L85 PathProgramCache]: Analyzing trace with hash 14166864, now seen corresponding path program 1 times [2024-11-09 05:54:29,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:54:29,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593930256] [2024-11-09 05:54:29,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:29,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:54:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:54:29,338 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:54:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:54:29,557 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 05:54:29,559 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:54:29,561 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:54:29,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:54:29,570 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 05:54:29,599 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:54:29,611 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:54:29,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:54:29 BoogieIcfgContainer [2024-11-09 05:54:29,618 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:54:29,619 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:54:29,619 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:54:29,620 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:54:29,620 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:28" (3/4) ... [2024-11-09 05:54:29,624 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 05:54:29,626 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:54:29,627 INFO L158 Benchmark]: Toolchain (without parser) took 2980.24ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 113.2MB in the beginning and 112.7MB in the end (delta: 573.7kB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2024-11-09 05:54:29,628 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 113.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:54:29,629 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.00ms. Allocated memory is still 151.0MB. Free memory was 113.2MB in the beginning and 111.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 05:54:29,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.07ms. Allocated memory is still 151.0MB. Free memory was 111.6MB in the beginning and 102.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 05:54:29,631 INFO L158 Benchmark]: Boogie Preprocessor took 95.70ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 98.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 05:54:29,634 INFO L158 Benchmark]: RCFGBuilder took 1579.49ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 98.5MB in the beginning and 144.1MB in the end (delta: -45.6MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. [2024-11-09 05:54:29,634 INFO L158 Benchmark]: TraceAbstraction took 671.19ms. Allocated memory is still 195.0MB. Free memory was 144.1MB in the beginning and 113.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-09 05:54:29,637 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 195.0MB. Free memory was 113.7MB in the beginning and 112.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:54:29,640 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 113.2MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.00ms. Allocated memory is still 151.0MB. Free memory was 113.2MB in the beginning and 111.6MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.07ms. Allocated memory is still 151.0MB. Free memory was 111.6MB in the beginning and 102.1MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.70ms. Allocated memory is still 151.0MB. Free memory was 102.1MB in the beginning and 98.5MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1579.49ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 98.5MB in the beginning and 144.1MB in the end (delta: -45.6MB). Peak memory consumption was 78.3MB. Max. memory is 16.1GB. * TraceAbstraction took 671.19ms. Allocated memory is still 195.0MB. Free memory was 144.1MB in the beginning and 113.7MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 195.0MB. Free memory was 113.7MB in the beginning and 112.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 88. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] EXPR __VERIFIER_nondet_uchar() & mask_SORT_5 [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [mask_SORT_1=255, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] EXPR input_7 & mask_SORT_5 [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] EXPR input_8 & mask_SORT_5 [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] EXPR input_9 & mask_SORT_5 [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] EXPR var_20_arg_0 & var_20_arg_1 [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] EXPR var_20 & mask_SORT_5 [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 05:54:29,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje --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 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:54:32,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:54:32,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2024-11-09 05:54:32,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:54:32,501 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:54:32,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:54:32,540 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:54:32,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:54:32,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:54:32,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:54:32,546 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:54:32,546 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:54:32,547 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:54:32,547 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:54:32,547 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:54:32,548 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:54:32,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:54:32,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:54:32,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:54:32,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:54:32,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:54:32,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:54:32,556 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 05:54:32,556 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 05:54:32,556 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:54:32,557 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 05:54:32,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:54:32,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:54:32,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:54:32,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 05:54:32,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:54:32,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:54:32,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:32,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:54:32,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:54:32,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:54:32,562 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 05:54:32,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 05:54:32,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:54:32,563 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:54:32,564 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 449d552a97f801da54ed90777e1477523d6fe1962bd976a4f73c924025a5f144 [2024-11-09 05:54:33,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:54:33,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:54:33,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:54:33,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:54:33,100 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:54:33,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c Unable to find full path for "g++" [2024-11-09 05:54:35,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:54:35,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:54:35,647 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c [2024-11-09 05:54:35,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/data/94d9a5db6/9bb072fe0e2241f7b8ddda62a47f28aa/FLAGa9ac341a2 [2024-11-09 05:54:35,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/data/94d9a5db6/9bb072fe0e2241f7b8ddda62a47f28aa [2024-11-09 05:54:35,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:54:35,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:54:35,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:35,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:54:35,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:54:35,977 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:35" (1/1) ... [2024-11-09 05:54:35,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@195a99f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:35, skipping insertion in model container [2024-11-09 05:54:35,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:54:35" (1/1) ... [2024-11-09 05:54:36,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:54:36,213 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_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2024-11-09 05:54:36,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:36,341 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:54:36,356 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_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.eq_sdp_v3.c[1249,1262] [2024-11-09 05:54:36,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:54:36,424 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:54:36,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36 WrapperNode [2024-11-09 05:54:36,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:54:36,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:36,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:54:36,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:54:36,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,494 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 253 [2024-11-09 05:54:36,495 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:54:36,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:54:36,496 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:54:36,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:54:36,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,548 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:54:36,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:54:36,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:54:36,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:54:36,559 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (1/1) ... [2024-11-09 05:54:36,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:54:36,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:54:36,618 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:54:36,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:54:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:54:36,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 05:54:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:54:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:54:36,792 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:54:36,794 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:54:37,119 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-09 05:54:37,119 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:54:37,133 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:54:37,133 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 05:54:37,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:37 BoogieIcfgContainer [2024-11-09 05:54:37,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:54:37,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:54:37,139 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:54:37,142 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:54:37,143 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:54:35" (1/3) ... [2024-11-09 05:54:37,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6610fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:37, skipping insertion in model container [2024-11-09 05:54:37,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:54:36" (2/3) ... [2024-11-09 05:54:37,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6610fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:54:37, skipping insertion in model container [2024-11-09 05:54:37,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:37" (3/3) ... [2024-11-09 05:54:37,147 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.eq_sdp_v3.c [2024-11-09 05:54:37,166 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:54:37,167 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:54:37,239 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:54:37,247 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;@6d000e34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:54:37,247 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:54:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-11-09 05:54:37,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-09 05:54:37,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:37,261 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-09 05:54:37,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:37,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:37,271 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2024-11-09 05:54:37,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:54:37,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140756147] [2024-11-09 05:54:37,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:37,288 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 [2024-11-09 05:54:37,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:54:37,293 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:54:37,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:54:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:37,446 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 05:54:37,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:37,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 05:54:37,673 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:54:37,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140756147] [2024-11-09 05:54:37,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140756147] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:54:37,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:54:37,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 05:54:37,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147254647] [2024-11-09 05:54:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:54:37,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 05:54:37,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:54:37,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 05:54:37,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:54:37,709 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2024-11-09 05:54:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:37,751 INFO L93 Difference]: Finished difference Result 18 states and 26 transitions. [2024-11-09 05:54:37,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 05:54:37,754 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 [2024-11-09 05:54:37,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:37,761 INFO L225 Difference]: With dead ends: 18 [2024-11-09 05:54:37,761 INFO L226 Difference]: Without dead ends: 9 [2024-11-09 05:54:37,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 05:54:37,769 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:54:37,771 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:54:37,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2024-11-09 05:54:37,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2024-11-09 05:54:37,800 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) [2024-11-09 05:54:37,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-09 05:54:37,802 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-09 05:54:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:37,803 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-09 05:54:37,803 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) [2024-11-09 05:54:37,803 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-09 05:54:37,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 05:54:37,804 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:37,805 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-09 05:54:37,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-09 05:54:38,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:54:38,007 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:38,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:38,008 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2024-11-09 05:54:38,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:54:38,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027141413] [2024-11-09 05:54:38,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:38,010 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 [2024-11-09 05:54:38,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:54:38,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:54:38,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:54:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:38,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 05:54:38,149 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:38,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:38,480 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:54:40,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:40,871 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:54:40,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027141413] [2024-11-09 05:54:40,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027141413] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:54:40,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1025454476] [2024-11-09 05:54:40,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:40,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:54:40,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:54:40,876 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:54:40,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 05:54:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:41,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-09 05:54:41,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:41,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:41,522 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:54:42,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:42,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1025454476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:54:42,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914980143] [2024-11-09 05:54:42,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:54:42,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:54:42,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:54:42,346 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:54:42,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 05:54:42,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:54:42,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 05:54:42,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:43,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:43,093 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:54:44,018 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:44,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1914980143] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:54:44,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:54:44,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 10 [2024-11-09 05:54:44,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489024341] [2024-11-09 05:54:44,020 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:54:44,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 05:54:44,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:54:44,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 05:54:44,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-09 05:54:44,023 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:44,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:54:44,386 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2024-11-09 05:54:44,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 05:54:44,387 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 05:54:44,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:54:44,388 INFO L225 Difference]: With dead ends: 14 [2024-11-09 05:54:44,388 INFO L226 Difference]: Without dead ends: 12 [2024-11-09 05:54:44,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-09 05:54:44,390 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:54:44,391 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:54:44,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-11-09 05:54:44,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-11-09 05:54:44,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:44,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-09 05:54:44,395 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-09 05:54:44,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:54:44,396 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-09 05:54:44,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:54:44,397 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-09 05:54:44,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 05:54:44,397 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:54:44,397 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-09 05:54:44,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-09 05:54:44,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-09 05:54:44,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 05:54:45,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:54:45,001 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:54:45,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:54:45,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2024-11-09 05:54:45,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:54:45,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [971764412] [2024-11-09 05:54:45,006 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:54:45,006 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 [2024-11-09 05:54:45,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:54:45,011 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:54:45,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-09 05:54:45,189 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:54:45,189 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:54:45,194 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 05:54:45,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:46,682 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:46,682 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:54:55,371 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse23 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_5~0#1|))) (let ((.cse3 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_31~0#1|))) .cse23)))) (.cse6 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_26~0#1|)))) (.cse4 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv255 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|)))) .cse23))))) (.cse9 (forall ((|v_ULTIMATE.start_main_~var_20_arg_0~0#1_26| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv254 32) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_20_arg_0~0#1_26|)))) .cse23))))) (.cse0 (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_29~0#1|)))) .cse23))))) (let ((.cse2 (not .cse0)) (.cse1 (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_10~0#1|))))) (let ((.cse21 (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_28~0#1|))) .cse23)) (_ bv0 8))) (.cse20 ((_ zero_extend 24) ((_ extract 7 0) .cse18)))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvmul .cse18 (_ bv2 32)))))))) .cse19))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse19 .cse20)))))) .cse21 .cse4) (or (not .cse21) .cse4 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse18 (bvneg .cse18)))))))) .cse22))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse22 .cse20))))))) .cse9)))) (.cse10 (bvneg .cse6)) (.cse12 (not .cse3)) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_40~0#1|)))))) (.cse13 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_24~0#1|)) (.cse14 ((_ zero_extend 24) |c_ULTIMATE.start_main_~state_22~0#1|))) (and (or .cse0 .cse1) (or .cse2 (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd (bvneg .cse13) .cse14))))))))) (and (or .cse3 .cse4 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse5 .cse6))))))) .cse7))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse7))))))) .cse9 (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse11 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse5 .cse10))))))) .cse11))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse11)))))) .cse4 .cse12)))) (or .cse2 .cse1) (or (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse13 .cse14))))))))) (and (or (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 .cse10))))))) .cse16))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse16)))))) .cse4 .cse12) (or .cse3 .cse4 (forall ((|ULTIMATE.start_main_~mask_SORT_1~0#1| (_ BitVec 8))) (let ((.cse17 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse15 .cse6))))))) .cse17))) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse8 .cse17))))))) .cse9)) .cse0))))) is different from false [2024-11-09 05:54:56,927 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2024-11-09 05:54:56,928 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 05:54:56,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [971764412] [2024-11-09 05:54:56,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [971764412] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:54:56,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1071353048] [2024-11-09 05:54:56,928 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:54:56,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 05:54:56,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 [2024-11-09 05:54:56,933 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 05:54:56,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 05:54:57,174 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:54:57,175 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:54:57,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-09 05:54:57,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:54:58,982 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:54:58,982 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:55:06,257 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 5 not checked. [2024-11-09 05:55:06,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1071353048] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:55:06,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950565626] [2024-11-09 05:55:06,257 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 05:55:06,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:55:06,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:55:06,260 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 05:55:06,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 05:55:06,406 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 05:55:06,406 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 05:55:06,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-09 05:55:06,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 05:55:09,049 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 05:55:09,050 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 05:55:16,571 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2024-11-09 05:55:16,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950565626] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 05:55:16,571 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2024-11-09 05:55:16,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 8, 7] total 13 [2024-11-09 05:55:16,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275376697] [2024-11-09 05:55:16,572 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2024-11-09 05:55:16,572 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 05:55:16,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 05:55:16,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 05:55:16,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=101, Unknown=2, NotChecked=20, Total=156 [2024-11-09 05:55:16,575 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 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) [2024-11-09 05:55:18,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:55:18,795 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2024-11-09 05:55:18,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 05:55:18,796 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-09 05:55:18,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:55:18,796 INFO L225 Difference]: With dead ends: 17 [2024-11-09 05:55:18,797 INFO L226 Difference]: Without dead ends: 15 [2024-11-09 05:55:18,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 16 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=73, Invalid=201, Unknown=2, NotChecked=30, Total=306 [2024-11-09 05:55:18,798 INFO L432 NwaCegarLoop]: 4 mSDtfsCounter, 0 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 8 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 05:55:18,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 8 Unchecked, 0.3s Time] [2024-11-09 05:55:18,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-09 05:55:18,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-09 05:55:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 05:55:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-09 05:55:18,804 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2024-11-09 05:55:18,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:55:18,804 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-09 05:55:18,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.9230769230769231) internal successors, (25), 13 states have internal predecessors, (25), 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) [2024-11-09 05:55:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-09 05:55:18,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 05:55:18,805 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:55:18,805 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2024-11-09 05:55:18,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2024-11-09 05:55:19,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 05:55:19,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 05:55:19,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 05:55:19,407 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:55:19,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:55:19,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2024-11-09 05:55:19,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 05:55:19,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176605500] [2024-11-09 05:55:19,408 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-09 05:55:19,408 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 [2024-11-09 05:55:19,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 05:55:19,409 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 05:55:19,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2024-11-09 05:55:19,612 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-09 05:55:19,612 INFO L228 tOrderPrioritization]: Conjunction of SSA is sat [2024-11-09 05:55:19,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 05:55:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 05:55:19,927 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2024-11-09 05:55:19,928 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 05:55:19,929 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:55:19,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2024-11-09 05:55:20,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 05:55:20,137 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1] [2024-11-09 05:55:20,164 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:55:20,164 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:55:20,164 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:55:20,164 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:55:20,184 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:55:20,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:55:20 BoogieIcfgContainer [2024-11-09 05:55:20,195 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:55:20,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:55:20,195 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:55:20,195 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:55:20,196 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:54:37" (3/4) ... [2024-11-09 05:55:20,197 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 05:55:20,219 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:55:20,219 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:55:20,220 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:55:20,220 WARN L290 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2024-11-09 05:55:20,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:55:20,319 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:55:20,320 INFO L158 Benchmark]: Toolchain (without parser) took 44353.49ms. Allocated memory was 77.6MB in the beginning and 174.1MB in the end (delta: 96.5MB). Free memory was 52.9MB in the beginning and 128.2MB in the end (delta: -75.3MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2024-11-09 05:55:20,323 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:55:20,324 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.65ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 35.0MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-09 05:55:20,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.40ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 32.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:55:20,325 INFO L158 Benchmark]: Boogie Preprocessor took 57.79ms. Allocated memory is still 77.6MB. Free memory was 32.4MB in the beginning and 55.3MB in the end (delta: -22.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-11-09 05:55:20,327 INFO L158 Benchmark]: RCFGBuilder took 581.52ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 55.0MB in the beginning and 74.1MB in the end (delta: -19.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-09 05:55:20,327 INFO L158 Benchmark]: TraceAbstraction took 43056.92ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 73.1MB in the beginning and 137.7MB in the end (delta: -64.5MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2024-11-09 05:55:20,328 INFO L158 Benchmark]: Witness Printer took 124.31ms. Allocated memory is still 174.1MB. Free memory was 137.7MB in the beginning and 128.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 05:55:20,330 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 77.6MB. Free memory was 53.7MB in the beginning and 53.6MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.65ms. Allocated memory is still 77.6MB. Free memory was 52.7MB in the beginning and 35.0MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.40ms. Allocated memory is still 77.6MB. Free memory was 35.0MB in the beginning and 32.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.79ms. Allocated memory is still 77.6MB. Free memory was 32.4MB in the beginning and 55.3MB in the end (delta: -22.9MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 581.52ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 55.0MB in the beginning and 74.1MB in the end (delta: -19.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * TraceAbstraction took 43056.92ms. Allocated memory was 98.6MB in the beginning and 174.1MB in the end (delta: 75.5MB). Free memory was 73.1MB in the beginning and 137.7MB in the end (delta: -64.5MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. * Witness Printer took 124.31ms. Allocated memory is still 174.1MB. Free memory was 137.7MB in the beginning and 128.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 21]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 8); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (8 - 1); [L29] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 1); [L30] const SORT_5 msb_SORT_5 = (SORT_5)1 << (1 - 1); [L32] const SORT_1 var_10 = 0; [L33] const SORT_5 var_18 = 1; [L34] const SORT_5 var_28 = 0; [L36] SORT_1 input_2; [L37] SORT_1 input_3; [L38] SORT_1 input_4; [L39] SORT_5 input_6; [L40] SORT_5 input_7; [L41] SORT_5 input_8; [L42] SORT_5 input_9; [L44] SORT_1 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L45] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L46] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L47] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L48] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L49] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L50] SORT_5 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L53] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L54] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L57] SORT_1 init_12_arg_1 = var_10; [L58] state_11 = init_12_arg_1 [L59] SORT_1 init_14_arg_1 = var_10; [L60] state_13 = init_14_arg_1 [L61] SORT_1 init_23_arg_1 = var_10; [L62] state_22 = init_23_arg_1 [L63] SORT_1 init_25_arg_1 = var_10; [L64] state_24 = init_25_arg_1 [L65] SORT_1 init_27_arg_1 = var_10; [L66] state_26 = init_27_arg_1 [L67] SORT_5 init_30_arg_1 = var_28; [L68] state_29 = init_30_arg_1 [L69] SORT_5 init_32_arg_1 = var_28; [L70] state_31 = init_32_arg_1 [L71] SORT_1 init_34_arg_1 = var_10; [L72] state_33 = init_34_arg_1 [L73] SORT_5 init_36_arg_1 = var_28; [L74] state_35 = init_36_arg_1 [L75] SORT_1 init_38_arg_1 = var_10; [L76] state_37 = init_38_arg_1 [L77] SORT_1 init_41_arg_1 = var_10; [L78] state_40 = init_41_arg_1 [L79] SORT_1 init_43_arg_1 = var_10; [L80] state_42 = init_43_arg_1 VAL [mask_SORT_1=-1, mask_SORT_5=1, state_11=0, state_13=0, state_22=0, state_24=0, state_26=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_40=0, state_42=0, var_10=0, var_18=1, var_28=0] [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND FALSE !(!(cond)) [L105] RET __VERIFIER_assert(!(bad_21_arg_0)) [L107] SORT_5 var_52_arg_0 = input_9; [L108] SORT_5 var_52_arg_1 = var_18; [L109] SORT_5 var_52 = var_52_arg_0 == var_52_arg_1; [L110] SORT_5 var_53_arg_0 = var_52; [L111] SORT_1 var_53_arg_1 = var_10; [L112] SORT_1 var_53_arg_2 = state_42; [L113] SORT_1 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L114] var_53 = var_53 & mask_SORT_1 [L115] SORT_1 next_54_arg_1 = var_53; [L116] SORT_5 var_58_arg_0 = input_9; [L117] SORT_5 var_58_arg_1 = var_18; [L118] SORT_5 var_58 = var_58_arg_0 == var_58_arg_1; [L119] SORT_1 var_56_arg_0 = state_37; [L120] SORT_1 var_56_arg_1 = state_33; [L121] SORT_1 var_56 = var_56_arg_0 + var_56_arg_1; [L122] SORT_1 var_55_arg_0 = state_37; [L123] SORT_1 var_55_arg_1 = state_33; [L124] SORT_1 var_55 = var_55_arg_0 - var_55_arg_1; [L125] SORT_5 var_57_arg_0 = state_35; [L126] SORT_1 var_57_arg_1 = var_56; [L127] SORT_1 var_57_arg_2 = var_55; [L128] SORT_1 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L129] SORT_5 var_59_arg_0 = var_58; [L130] SORT_1 var_59_arg_1 = var_10; [L131] SORT_1 var_59_arg_2 = var_57; [L132] SORT_1 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L133] var_59 = var_59 & mask_SORT_1 [L134] SORT_1 next_60_arg_1 = var_59; [L135] SORT_5 var_61_arg_0 = var_58; [L136] SORT_1 var_61_arg_1 = var_10; [L137] SORT_1 var_61_arg_2 = input_2; [L138] SORT_1 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L139] SORT_1 next_62_arg_1 = var_61; [L140] SORT_5 var_63_arg_0 = var_58; [L141] SORT_1 var_63_arg_1 = var_10; [L142] SORT_1 var_63_arg_2 = input_3; [L143] SORT_1 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L144] SORT_1 next_64_arg_1 = var_63; [L145] SORT_5 var_65_arg_0 = var_58; [L146] SORT_1 var_65_arg_1 = var_10; [L147] SORT_1 var_65_arg_2 = input_4; [L148] SORT_1 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L149] SORT_1 next_66_arg_1 = var_65; [L150] SORT_5 var_67_arg_0 = var_58; [L151] SORT_5 var_67_arg_1 = var_28; [L152] SORT_5 var_67_arg_2 = input_7; [L153] SORT_5 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L154] SORT_5 next_68_arg_1 = var_67; [L155] SORT_5 var_69_arg_0 = var_58; [L156] SORT_5 var_69_arg_1 = var_28; [L157] SORT_5 var_69_arg_2 = input_8; [L158] SORT_5 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L159] SORT_5 next_70_arg_1 = var_69; [L160] SORT_5 var_71_arg_0 = var_58; [L161] SORT_1 var_71_arg_1 = var_10; [L162] SORT_1 var_71_arg_2 = state_26; [L163] SORT_1 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L164] SORT_1 next_72_arg_1 = var_71; [L165] SORT_5 var_73_arg_0 = var_58; [L166] SORT_5 var_73_arg_1 = var_28; [L167] SORT_5 var_73_arg_2 = state_31; [L168] SORT_5 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L169] var_73 = var_73 & mask_SORT_5 [L170] SORT_5 next_74_arg_1 = var_73; [L171] SORT_5 var_77_arg_0 = state_29; [L172] SORT_5 var_77 = ~var_77_arg_0; [L173] var_77 = var_77 & mask_SORT_5 [L174] SORT_1 var_76_arg_0 = state_22; [L175] SORT_1 var_76_arg_1 = state_24; [L176] SORT_1 var_76 = var_76_arg_0 + var_76_arg_1; [L177] SORT_1 var_75_arg_0 = state_22; [L178] SORT_1 var_75_arg_1 = state_24; [L179] SORT_1 var_75 = var_75_arg_0 - var_75_arg_1; [L180] SORT_5 var_78_arg_0 = var_77; [L181] SORT_1 var_78_arg_1 = var_76; [L182] SORT_1 var_78_arg_2 = var_75; [L183] SORT_1 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L184] SORT_5 var_79_arg_0 = var_58; [L185] SORT_1 var_79_arg_1 = var_10; [L186] SORT_1 var_79_arg_2 = var_78; [L187] SORT_1 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L188] SORT_1 next_80_arg_1 = var_79; [L189] SORT_1 var_45_arg_0 = input_2; [L190] SORT_1 var_45_arg_1 = input_3; [L191] SORT_1 var_45 = var_45_arg_0 + var_45_arg_1; [L192] SORT_1 var_44_arg_0 = input_2; [L193] SORT_1 var_44_arg_1 = input_3; [L194] SORT_1 var_44 = var_44_arg_0 - var_44_arg_1; [L195] SORT_5 var_46_arg_0 = input_7; [L196] SORT_1 var_46_arg_1 = var_45; [L197] SORT_1 var_46_arg_2 = var_44; [L198] SORT_1 var_46 = var_46_arg_0 ? var_46_arg_1 : var_46_arg_2; [L199] SORT_1 var_48_arg_0 = var_46; [L200] SORT_1 var_48_arg_1 = input_4; [L201] SORT_1 var_48 = var_48_arg_0 + var_48_arg_1; [L202] SORT_1 var_47_arg_0 = var_46; [L203] SORT_1 var_47_arg_1 = input_4; [L204] SORT_1 var_47 = var_47_arg_0 - var_47_arg_1; [L205] SORT_5 var_49_arg_0 = input_8; [L206] SORT_1 var_49_arg_1 = var_48; [L207] SORT_1 var_49_arg_2 = var_47; [L208] SORT_1 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L209] SORT_5 var_81_arg_0 = var_52; [L210] SORT_1 var_81_arg_1 = var_10; [L211] SORT_1 var_81_arg_2 = var_49; [L212] SORT_1 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L213] SORT_1 next_82_arg_1 = var_81; [L214] SORT_5 var_83_arg_0 = var_52; [L215] SORT_1 var_83_arg_1 = var_10; [L216] SORT_1 var_83_arg_2 = state_40; [L217] SORT_1 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L218] SORT_1 next_84_arg_1 = var_83; [L220] state_11 = next_54_arg_1 [L221] state_13 = next_60_arg_1 [L222] state_22 = next_62_arg_1 [L223] state_24 = next_64_arg_1 [L224] state_26 = next_66_arg_1 [L225] state_29 = next_68_arg_1 [L226] state_31 = next_70_arg_1 [L227] state_33 = next_72_arg_1 [L228] state_35 = next_74_arg_1 [L229] state_37 = next_80_arg_1 [L230] state_40 = next_82_arg_1 [L231] state_42 = next_84_arg_1 [L83] input_2 = __VERIFIER_nondet_uchar() [L84] input_3 = __VERIFIER_nondet_uchar() [L85] input_4 = __VERIFIER_nondet_uchar() [L86] input_6 = __VERIFIER_nondet_uchar() [L87] input_7 = __VERIFIER_nondet_uchar() [L88] input_7 = input_7 & mask_SORT_5 [L89] input_8 = __VERIFIER_nondet_uchar() [L90] input_8 = input_8 & mask_SORT_5 [L91] input_9 = __VERIFIER_nondet_uchar() [L92] input_9 = input_9 & mask_SORT_5 [L95] SORT_1 var_15_arg_0 = state_11; [L96] SORT_1 var_15_arg_1 = state_13; [L97] SORT_5 var_15 = var_15_arg_0 == var_15_arg_1; [L98] SORT_5 var_19_arg_0 = var_15; [L99] SORT_5 var_19 = ~var_19_arg_0; [L100] SORT_5 var_20_arg_0 = var_18; [L101] SORT_5 var_20_arg_1 = var_19; [L102] SORT_5 var_20 = var_20_arg_0 & var_20_arg_1; [L103] var_20 = var_20 & mask_SORT_5 [L104] SORT_5 bad_21_arg_0 = var_20; [L105] CALL __VERIFIER_assert(!(bad_21_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 42.9s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 8 IncrementalHoareTripleChecker+Unchecked, 37 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 54 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 54 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 79 SyntacticMatches, 6 SemanticMatches, 28 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 11.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 36.7s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 106 ConstructedInterpolants, 42 QuantifiedInterpolants, 9427 SizeOfPredicates, 47 NumberOfNonLiveVariables, 656 ConjunctsInSsa, 197 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 0/54 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-09 05:55:20,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_562cc5ae-6ee9-4643-a0ed-e35ea05ed341/bin/utaipan-verify-YMUCfTKeje/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE